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Hidden Line Removal (and AEC HLR) User Guide and Menu

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1. Create a Visual Edge With Options This option displays a property sheet for removing hidden lines from AEC objects It also provides additional options for performing hidden line removal on AEC objects mora Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 19 AEC Hidden Line Removal Creating a Visual Edge with Options Creating a Visual Edge with Options 1 Click the Render icon paintbrush on the Environment Global area of the top bar A menu is displayed 2 Choose Hidden Line Removal from the menu The Hidden Line Removal command palette is displayed 3 Choose AEC HLR from the palette 4 Select AEC HLR from the pulldown menu that appears The Hidden Line Removal Property Sheet is displayed 5 Select Create a Visual Edge from the property sheet App ication Products Hidden Line Removal ect on ayer Select Graphical ly L Al Visigle Cumpernanls Pipe or Just Entire Natwork Graphica cresta Inter7ersnce Lines Replace Previcus Hiding Pipe Reerasentaticn ae Crests Double Line a Creel Single Lire Layer OpLiures a Use Componeni s Layer AS Use Saecified Laver 2 20 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Creating a Visual Edge with Options 6 Specify the object selection method 7 Click Apply Suboptions of Create a Visual Edge with Options Specifies the method for selecting objects Select
2. Variable in text tagname Indicates a variable that requires an appropriate substitute when used in a real operation for example replace tagname with an actual tag name CADDS commands and INSERT LINE TANTO Shows CADDS commands and modifiers as modifiers they appear in the command line interface Text string SRFGROUPA or SRFGROUPA Shows text strings You must enclose text string with single or double quotation marks Integer n Supply an integer for the n Real number xX Supply a real number for the x mkdir cdrom Indicates the root superuser prompt on command lines rlogin remote_system_name Indicates the C shell prompt on command lines 1 root rlogin remote_system_name 1 Indicates the Bourne shell prompt on command root lines Window Managers and the User Interface According to the window manager that you use the look and feel of the user interface in CADDS can change Refer to the following table Look and Feel of User Interface Elements User Interface Element Common Desktop Environment CDE on Solaris and HP Window Manager Other Than CDE on Solaris HP and Windows Option button ON Round filled in the center OFF Round empty ON Diamon4d filled OFF Diamond empty Toggle key ON Square with a check mark OFF Square empty ON Square filled OFF Square empty Online User Do
3. Refine Use this option when the HIDE OBJECT command does not produce accurate Hidden Line Removal This option provides better quality results of an HLR image In the Faceted engine mode the Quality factor may be adjusted to achieve similar results Selection Method When you select the Selection Method option the Faceted and Analytical modes of the Remove Hidden Lines menu appear as follows Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines Figure 1 6 Selection Method Options Remove Hidden Lines Engine eiir a Objects i Ej Cress gt Mark Include P E Mark Exclude Select Graphically a Solid Entities El Surface Entities Specify Objects E Curve Entities AEC Entities Image Details Apply Cancel Choose the Selection Method option to identify the method that you want to use to select entities for hidden line removal operation These options are same for Faceted and Analytical modes 1 Use the All Objects option to remove hidden lines from all the objects that are visible in the views you choose This is the default option if you select the Selection Method option 2 In the Faceted mode All Objects is the default option even if you do not select the Selection Method option In the Analytical mode All Objects is not the default option Use the Clip option to remove hidden lines only from those entities that lie within
4. 2 Choose Hidden Line Removal from the menu The Hidden Line Removal Setup property sheet is displayed Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 3 AEC Hidden Line Removal Accessing Hidden Line Removal Options From the Render option 1 Click the Render icon paintbrush on the Environment Global area of the top bar The following pulldown menu appears RENDER SOLID CADDSHADE SHADING CADDSHADE HIDDEN LINE REPAINT PICTURE WINDOW IMAGEDESIGN EDIT PICTURE EXIT FICTURE 2 Choose Hidden Line Removal from the menu The Hidden Line Removal command palette as shown below is displayed Hidden Line Removal 3 Choose AEC HLR from the Hidden Line Removal palette The following pulldown menu appears This menu can be used to access HLR commands for Hidden Line Preparation Hidden Line Removal and Hidden Line Editing AEC HLR PREP AEC HLE EDITING 2 4 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Hidden Line Removal Setup Hidden Line Removal Setup The Setup option enables you to set up or change options that you want active during your Hidden Line Removal session Getting to the Setup Option To access Hidden Line Removal Setup functions do the following 1 Choose Setup from the Environment Management menu area on the top bar The Setup Menu appears 2 Choose Hidden Line Removal from the menu The Hidde
5. Choose Hidden Line Removal from the menu The Hidden Line Removal command palette is displayed Choose AEC HLR from the palette The following menu appears AEC HLR PREP AEC HLA AEC HLE EDITING Choose AEC HLR PREP from the menu The AEC HLR Preparation command palette appears 2 8 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal AEC Hidden Line Removal Preparation This gives you access to the following options Creating Visual Edges This option lets you create a three dimensional representation on a selected object without performing Hidden Line Removal Project an Outline This option displays a property sheet that lets you create representative three dimensional components from planar strings outlines Edit an Outline This option displays a menu from which you can choose one of the following options e Relate Outline This direct action option lets you establish a relationship between an outline and the strings located inside it Unrelate Outline This direct action option lets you remove the relationship between outlines and holes e Verify Outline This direct action option lets you highlight the strings that have been related using the Relate Outline option a roc Hl UN I TSSI Creating a Text Version of a Compiled Procedure File This direct action option lets you convert a compiled binary file into a text file of
6. Editing an Outline This option displays a pulldown menu that allows you to edit an outline Each pulldown entry executes a direct action Getting to the Editing an Outline Option 1 Click the Render icon on the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu The Hidden Line Removal command palette is displayed 3 Choose AEC HLR from the palette 4 Choose AEC HLR PREP from the menu The AEC HLR Preparation command palette appears AEC HLE Preparation BE rac UN I TSF I shape b 5 Click the Edit an Outline option Relate Outline Unrelate Outline Verify Gutline The Edit Outline menu gives you access to the following options Relate Outline This option establishes a relationship between e An outline and the strings located inside it e The outline and any string laying entirely within the outline 2 14 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Editing an Outline Unrelate Outline Use this option to remove the relationship between outlines and holes This option undoes the Relate Outline option If you select an outline all holes are unrelated If you select an outline all holes are unrelated If you select a hole only that hole is unrelated from its outline Verify Outline This option highlights the strings that are related after using the Relate Outline option In a series of selectio
7. PLANT DESIGN ARCH HVAC PIPE HVAC HVAC DUCT HVAC FITTING SSM HVAC FLANGE HVAC ELBOH HVAC TEE HVAC REDUCER Hvac EQUIPMENT Accept Using the Property Sheet The ARCH HVAC PIPE SITE SMS and SSM buttons on the Application Object Selection Method property sheet allow you to quickly select all the types of objects in those applications Using the Shift key on the keyboard along with the mouse button to select the specified objects 2 24 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Hidden Line Removal Editing Option Hidden Line Removal Editing Option A OO N Click the Render icon on the Environment Global area of the top bar Choose Hidden Line Removal from the menu Choose AEC HLR from the command palette Choose AEC HLR Editing from the menu The Hidden Line Removal Editing command palette is displayed Cancel The Hidden Line Removal Editing command palette includes options for the following tasks Unhide previously detailed objects Merge previously hidden details Replace previously created details Compare new details to old Customize access to the AEC hidden line removal functions Remove detail graphics from selected AEC objects Create a parent child relationship between an Nline or Nfigure and detail graphics Remove any parent child relationships between an Nline or Nfigure and detail graphics Blank previously creat
8. Using the Update HLR Image Option 1 Click the Render icon paintbrush on the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu 3 Click the Update HLR Image icon on the Hidden Line Removal command palette The HLR Image menu appears HLR Image _ Update Image change Image Appearance a Show Status Engine Faceted Analytical Selection E Mark Include E Mark Exclude Cancel This menu allows you update an HLR image change the appearance of an HLR image or view the current status of an HLR Image The default option is UPDATE HLRIMAGE 1 24 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Hidden Line Removal Image You can select either the Faceted or the Analytical engine to update HLR image Not selecting either will update the image using the previous engine used for HLR The Merge option can be used to update image as well as change the image appearance and allows you to select objects in an HLRed view See Selection on page 26 Update Image This option enables you to bring back the picture in sync with the model You can use the Faceted and the Analytical engine available for this operation to update an HLRed image created using either of these engines Please note In CAMU you must run the UPDATE HLRIMAGE command on an HLRed image in the same mode in which the image was created that is either in stand
9. Parametric environment change the object and return to the Explicit environment the hidden line graphics will be incorrect You must re execute Remove Hidden Lines Using Nonassociative HLR Image Simultaneous display of exploded and unexploded views on one drawing sheet is achievable When the view parts are unblanked the nonassociative surrogates may be out of sync with the viewed unhidden wireframe Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 41 Partial unhides are not permitted in nonassociative HLR Images HLR picking and MARK CHANGE do not work for nonassociative HLR images Features that are supported through curve associativity such as preservation of dimensions during updates are not supported The nonassociative HLR image is not deleted when deleting the corresponding component from the assembly tree structure Picking the tree node does not highlight the corresponding nonassociative HLR image nonassociative HLR images increase the database size Using Associative HLR Image In order to assure that associativity is properly mapped between the parametric and explicit environments the following line should be in the user s caddsre file setenv CADDSASSOC_UID yes If a particular surface has more than one limb then all the dimensions become non associative and they are marked Please note HIDE OBJECT can only maintain associativity to a viewed part when specific internal data e
10. Please note The Change Image Appearance operation does not involve an HLR operation using either of the two engines The image is changed using only the modifiers selected Show Status This option allows you to view the options that were selected during the last HLR operation on a particular view HLR Image 4 Update Image chan ge Image You will be asked to select a view and a menu similar to the one shown in the following figure will display the information for the last view selected Selecting the Update Image button which will open the HLR Image menu with the Update Image option as default 1 32 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Hidden Line Removal Image Figure 1 13 HLR Image Status Menu View Mame Engine Used Quality Interference Computation Blanked Viewed Objects Hidden Tangent Edges Topological Edges Hidden Hidden Lines Update Image 1 33 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Management Update Management You are alerted automatically if an update is required on an activated view The view is highlighted in magenta the default color The Drawing Data menu shown in the following figure is also activated the first time a drawing with a view requiring an update is activated Figure 1 14 Drawing Data Menu Drawing Created Width Height Uni
11. at DFARS 252 227 7013 OCT 88 or Commercial Computer Software Restricted Rights at FAR 52 227 19 c 1 2 JUN 87 as applicable 02202007 Parametric Technology Corporation 140 Kendrick Street Needham MA 02494 USA Table of Contents Preface Related Documents vii Book Conventions vii Window Managers and the User Interface viii Online User Documentation viii Online Command Help ix Printing Documentation X Resources and Services xX Documentation Comments X Hidden Line Removal Overview of Hidden Line Removal What is Hidden Line Removal How Hidden Line Removal can Help the Design Process Naturally Visualize Objects Focus on the View you Want Use Images for Illustrations RENDER VIEW HLR Quality Statement O AK KR wWwWNYNNN PD et et I Accessing HLR Options To Access HLR HLR Commands _ I Li Removing Hidden Lines Quality Selection Method 12 T Hidden Line Removal and AEC HLR User Guide and Menu Reference Contents iii Image Details 1 14 Example of Remove Tangent Edges 1 16 Example of Image Before and After Intersect 1 17 How Curves Appear in HLR 1 19 Restoring Hidden Lines 1 20 Using the Restore Hidden Lines Option 1 20 Example of Image Before and After Restored Hidden Lines __ 1 22 Mark Changes 1 23 Usi
12. line restoration 1 21 Checking procedure files 2 17 Compiled procedure files 2 1 2 16 Creating local Nfigures in projected outlines 2 13 Creating visual edges 2 10 with options for hidden line removal 2 21 2 22 for hidden line removal editing 2 27 D Detailed objects unhiding removing hiding 2 26 Documentation printing from Portable Document Format PDF file 1 x E Editing outlines 2 14 Editor button use of 2 22 Engine Analytical 1 7 Faceted 1 7 Environment Management menu 2 3 2 5 F Faceted 1 7 Features and Benefits of HLR 1 2 Fonts user defined restrictions due to 1 40 G Graphical User Interface 2 1 Graphics line double in hidden line removal 2 22 single in hidden line removal 2 22 H Hidden Curves definition 1 19 Hidden Line Removal accessing options 1 4 conceptual overview of 1 2 Hidden Line Removal and AEC HLR User Guide and Menu Reference Index 1 Index creating visual edges for with options detail graphics layer for 2 22 regeneration 2 21 line graphics double 2 22 single 2 22 with interference lines 2 21 Features and benefits 1 2 introduction 2 2 overview 2 1 preparation accessing options 2 8 accessing options for 2 18 options 2 9 overview 2 8 overview of 2 18 setup accessing options 2 5 dash length units between objects 2 7 within objects 2 6 dash length value between objects 2 7 within objects 2 6 description 2 5 options 2 6 procedure file sections 2 7
13. of output for the HLR image Moving it to the left will result in faster HLR but the image will be less accurate Figure 1 5 Remove Hidden Lines menu in the Faceted mode Remove Hidden Lines Engine ian Analytical x Interference Computation 7 Intersection Curves 7 lt Performance Quality gt C Selection Method E image Details Please note The modifiers Tolerance Limb Tolerance No of Segments and Refine are available only in the Analytical engine mode Tolerance Use this option to determine whether two curves occupy the same place in a view The default value is 0 0001 units In the field adjoining Tolerance select the tolerance value either in Model units or in Draw units Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 11 Hidden Line Removal Removing Hidden Lines The tolerance value controls the following factors e Curves and Space The smaller the tolerance the more curves will be occupied in the given space e Limb accuracy The smaller the tolerance the more accurate the limbs are Limb Tolerance Use this option to specify the tolerance factor in units for generating limbs The default value is derived from the Tolerance option Warning Using Limb Tolerance increases the size of the database and negatively affects the quality of the displayed object No of Segments Selects the number of segments that has to be generated The default value is 1 000
14. smoothing angle 2 7 space length units between objects 2 7 within objects 2 6 space length value between objects 2 7 within objects 2 6 solids 2 2 visual edge creation with options detail graphics layer for 2 22 regeneration 2 21 line graphics double 2 22 single 2 22 with interference lines 2 21 Hidden Line Removal Editing creating visual edges for with options detail graphics merge 2 27 update 2 27 line graphics double 2 27 visual edge creation with options detail graphics merge 2 27 update 2 27 line graphics double 2 27 Hidden Line Removal Preparation creating visual edges in 2 10 Hidden line restoration aborting 1 21 cancelling 1 21 HIDE OBJECT interrupt 1 7 HLR 2 1 Image Appearance 1 31 Image Details 1 14 Image Rotation Remove Hidden Lines restriction 1 40 Image status 1 32 Interrupt HLR 1 7 L Line Number Editor Property Sheet for hidden line removal 2 23 Line styles user defined restrictions due to 1 40 Local Nfigures creating in projected outlines 2 13 Local nodal figures 2 1 M Merge 1 25 1 26 Meshes surface restrictions to hidden line removal 1 40 Multiple Views Remove Hidden Lines 1 41 Index 2 Hidden Line Removal and AEC HLR User Guide and Menu Reference Index N Nfigures 2 1 in relating details 2 27 in unrelating details 2 27 Nlines in relating details 2 27 in unrelating details 2 27 Nodal figures 2 1 Nodal lines 2 1 O Outline 2 11 Outlines editi
15. the same name Check a Procedure File This direct action option ensures that all elements of a procedure file are valid It verifies the syntax and lists the contents of a procedure file Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 9 AEC Hidden Line Removal Creating Visual Edges Creating Visual Edges This menu option allows you to insert visual edges on selected AEC objects without performing hidden line removal Creates a three dimensional representation for a procedure file derivative object with no hiding being done Getting to the Create Visual Edges Option 1 Choose the Render icon paintbrush on the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu The Hidden Line Removal command palette is displayed 3 Choose AEC HLR from the palette 4 Select AEC HLR PREP from the menu The HLR Preparation command palette as shown below appears AEC HLE Preparation P rac 5 Choose the Create Visual Edges option from the AEC HLR Preparation command palette This is a direct action menu selection After you select this option a three dimensional representation of the procedure file derivative object is created 2 10 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Projecting an Outline Projecting an Outline This option enables you to create representative three dimensional components from plana
16. the system generates a silhouette of a curved object by inserting limbs onto object surfaces A limb is the visual edge of a curved surface in a given view and is sometimes referred to as a silhouette edge or a virtual edge Below is how HLR defines and displays curves e Visible Curve A curve that is always visible in the HLR image regardless of whether the removed lines are blanked or dashed e Weakly Invisible Curve A curve that is hidden behind a face of an object These areas will appear dashed in a dashed hidden line picture and blanked in a blanked hidden line picture e Strongly Invisible Curve A curve that is hidden by other curves in the hidden line picture These curves are always blanked in either type of hidden line picture Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 19 Hidden Line Removal Restoring Hidden Lines Restoring Hidden Lines The Restore Hidden Lines option restores unblanks all hidden lines of all objects or selected objects in the views you specify The view is determined by the first object you select When restoring hidden lines from an object you can choose the following options e Restore the hidden lines of all the objects in a view e Restore the hidden lines of selected objects in a view e Restore the hidden lines if objects in specified views including the objects that are completely hidden Using the Restore Hidden Lines Option 1 Click the Render icon pa
17. units in which the length of the spaces in the dashed lines is represented The default value is in inches Select the Units field to display an option list of unit values IN FT MI MM CM M or KM Procedure File Sections Use Default Use this field to specify that the default procedure file sections will be used to create detailing and remove hidden lines This is the default selection Use Specified Sections Use this field to specify that non default procedure file sections will be used to create detailing and remove hidden lines If you want to specify more than one section name separate the section names with a comma Smoothing Angle Use this field to specify the minimum angle of one face to another face at which a line is inserted between the faces The default angle is 0 000 Select the field to activate a real number calculator Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 7 AEC Hidden Line Removal AEC Hidden Line Removal Preparation AEC Hidden Line Removal Preparation Selecting the Hidden Line Removal Preparation option displays a command palette Each command Palette option either executes a direct action or displays a property sheet HLR commands for Hidden Line Preparation Hidden Line Removal and Hidden Line Editing Functions are accessible from the Render option Getting to the AEC Hidden Line Removal Preparation Option 1 2 Click the Render icon from the Environment Global
18. 8295 is miptr 66151 in the part NVORM IDName PART 1 In Assembly mode Warning Error in reading solid entity 324785 Miptr 324785 is miptr 62641 in the model VALVE component valve_l If dimensions are applied to the Surrogates in HLR Image the UNHIDE OBJECT command preserves these dimensions and they are applied to the corresponding viewed part curves Dimensions applied to Limbs are not transferred 1 6 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines Using the Remove Hidden Lines option 1 Click the Render icon from the top bar 2 Choose Hidden Line removal from the menu Hidden Line Removal 3 Click the Remove Hidden Lines icon from the command palette The following menu appears Figure 1 1 Remove Hidden Lines Menu Remove Hidden Lines Quality F Selection Method Cancel The Remove Hidden Lines menu allows you to switch between the Faceted and the Analytical engine By default you are in the faceted mode Please note While using the Faceted engine you can interrupt the HLR operation by pressing ESC Q while the HIDE OBJECT FACETED command is running You can select any combination of the Quality Selection Method and Image Details options along with their options to further refine your HLR operation Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 7 Hidden Line Removal Removing Hidden Lines The Rem
19. Clip This option overrides the Clip modifier This modifier removes hidden lines for objects that were previously processed using UPDATE HLRIMAGE NoClip removes the clipping from database and updates the entities that were earlier HLRed Clip and NoClip are mutually exclusive Mark Include This option updates HLR image for marked entities only Mark Exclude This option updates HLR image for unmarked entities only Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 27 Hidden Line Removal Update Hidden Line Removal Image Quality Interference Computation Choose this option in the Analytical engine mode to subdivide all the curves into independent number of segments The default number of segments is set to 10 In the Faceted engine mode facets are created instead of segments and their number will depend on the quality factor selected Interference Computation helps you to minimize errors caused by the interfering objects but can decrease the speed of HLR output Please note HIDE OBJECT does not check whether objects in a view interfere with each other Use Interference Computation when interfering elements exist to get correct HLR results Intersection Curves This option and its submodifiers are available only if you first select the Interference Computation option Use this option to display the intersection curves while using the HIDE OBJECT command CADDS automatically enables Interference When the Analytical
20. Default button can be selected if you want the update to be made using default modifiers Not choosing this option allows you to choose options for the update from the following menu HLR Image J Update Image a Change Image Appearance Show Status Engine merge gt t meie Ea Eee BESSER E Mark Include E Mark Exclude Apply es Cancel Legacy Parts in Update Management When a legacy part is opened in CADDS 51 Release 10 onwards for a part that has been filed prior to this revision Update Management will fail in the following cases e If the view orientation is not set using the SET VIEW command and the part has been filed after HLR has been performed on a temporary view e Ifa modeling update or change has taken place on a part Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 39 Hidden Line Removal Restrictions and Notes Restrictions and Notes There are certain restrictions and other information you should be aware of User Created Fonts are Removed The system removes any previous user created image data associated to an object in the view being used for HLR To enhance the accuracy of the image appearance Remove Restore Hidden Lines eliminates any pre existing image data and creates new view specific font data on many of the curves and limbs associated with an object If you use REECHO ENTITY after ERASE ENTITY on any fonted entity then the font for the entity will not be preser
21. Graphically Specifies the objects on which you want hidden line removal performed This is the default selection Select All Visible Components Specifies hidden line removal for all components in the part or in any part accessed by Multipart Access Select Pipe or Duct Specifies up to 10 labels including names for each pipe or duct Multiple labels must be separated by commas Click the editor button to display a Line Number editor The Line Number editor displays a scrollable list of all numbered pipe and duct runs in the active and viewed parts Select Entire Network Specifies all entities in the network of the digitized pipe duct or wall even though only one entity is digitized Select Graphically by Object Specifies that only entities of the specified object type can be selected Click the editor button to display an Application Object Selection property sheet The ARCH HVAC PIPE SITE SMS and SSM buttons on the Application Object Selection Method property sheet allow you to quickly select all the types of objects in those applications Select Specified Object Specifies that all entities of the specified object type will be selected Click the editor button to display an Application Object Selection property sheet Hidden Line Removal Options Specifies the options that can be used along with hidden line removal Create Interference Lines Specifies that the entities will be created at the intersection of objects Creat
22. Hidden Line Removal and AEC HLI User Guide and Menu Reference CADDS 5 15 0 DOC38208 016 Parametric Technology Corporation Copyright 2007 Parametric Technology Corporation All Rights Reserved User and training guides and related documentation from Parametric Technology Corporation and its subsidiary companies collectively PTC is subject to the copyright laws of the United States and other countries and is provided under a license agreement that restricts copying disclosure and use of such documentation PTC hereby grants to the licensed software user the right to make copies in printed form of this documentation if provided on software media but only for internal personal use and in accordance with the license agreement under which the applicable software is licensed Any copy made shall include the PTC copyright notice and any other proprietary notice provided by PTC Training materials may not be copied without the express written consent of PTC This documentation may not be disclosed transferred modified or reduced to any form including electronic media or transmitted or made publicly available by any means without the prior written consent of PTC and no authorization is granted to make copies for such purposes Information described herein is furnished for general information only is subject to change without notice and should not be construed as a warranty or commitment by PTC PTC assumes no responsibility o
23. Line Removal This chapter describes how to access the Graphical User Interface for Architecture Engineering Construction AEC Hidden Line Removal AEC HLR performs the following functions e Sets up environment parameters for removing hidden lines e Prepares a group of objects for hidden line removal e Removes hidden lines e Edits the resulting drawing These functions encompass the e Traditional Architecture Engineering Construction commands e AEC procedure file commands The AEC Products HLR functions and the solids HLR functions provide parallel capabilities Setup options for AEC HLR functions are accessible from one part of the GUI and the preparation removal and editing options from another 2 2 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Accessing Hidden Line Removal Options Accessing Hidden Line Removal Options AEC Hidden Line Removal can be accessed from The Setup menu AEC HLR Setup options are accessible from the Setup menu The Render option AEC HLR preparation actual hidden line removal and HLR editing options are accessible from the Hidden Line Removal and Rendering pulldown menu From the Setup Menu To access Hidden Line Removal Setup functions do the following 1 Choose Setup from the Environment Management menu area on the top bar The Setup Menu appears FILE DRAWING VIEW ENTITY SETUP UTILITY cUST M p HIDDEN UNE REMOVAL CoS
24. T R ca TERY Tac DJEDE ts 1 a th 1 Fy oe i ia al _ Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines Show Topological Edges When the HIDE OBJECT command is applied it blanks the Topological Edges by default Choose this option to display the omitted Topological Edges Topological Edge is defined as the edge of a solid which exists between two surfaces that are analytically identical Dashed Hidden Lines Displays the Hidden Lines as dashed lines e Dash Length Specifies the dash length in absolute drawing units The default value is 0 0001 e Space Length Specifies the spacings between dashes in absolute drawing units The default value is 0 0001 Restriction The intersection curves displayed by this option are nonassociative Example of Image Before and After Intersect The example below shows how the intersection curves are processed and displayed Figure 1 8 The objects to be HLRed Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 17 Hidden Line Removal Removing Hidden Lines Figure 1 9 The output using option Interference a ace se 3 z A mi Lem BEFORE a O lM Figure 1 10 The output using option Intersect AFTER 1 18 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines How Curves Appear in HLR During the Remove Hidden Lines process
25. TION_UPDATE_MANAGEMENT variable as follows setenv HLR_SECTION_UPDATE_MANAGEMENT off View Data Menu To launch the View Data menu 1 Click on a specific view in the View List of the Drawing Data menu or 2 Use the query pulldown window from the top bar menu or 3 Issue the LIST VIEW STATUS command at the command line 1 36 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Management The following figure shows the VIEW DATA menu Figure 1 15 View Data Menu Update required Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 37 Hidden Line Removal Update Management The View Data menu lists information about a selected view and also allows you to perform the following operations on it These options are similar to those discussed earlier in the book with the difference that a view is not required to be specified as the current active view is taken to be the default 1 Change view using the Change View menu Change View av Change Sngle 4 change Size 4 change Scale s change Location change 2N change Apply Copy view Set View on current selected view Blank Unblank toggle depending on the current state of view Delete the current view a ao A CO N Reset the current view 1 38 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Management Choose the Use
26. V Viewed Parts and Assemblies Hidden Line Removal and AEC HLR User Guide and Menu Reference Index 3 Index Remove Hidden Lines 1 41 Views in hidden line removal 1 2 Visible Curve definition 1 19 Visual edges creating with options for hidden line removal detail graphics regeneration 2 21 line graphics double 2 22 with interference lines 2 21 Visual edges creating 2 10 with options for hidden line removal detail graphics layer for 2 22 line graphics single 2 22 with options for hidden line removal editing detail graphics merge 2 27 update 2 27 line graphics double 2 27 W Weakly Invisible Curve definition 1 19 Index 4 Hidden Line Removal and AEC HLR User Guide and Menu Reference
27. ained in detail in Chapter 2 AEC Hidden Line Removal HLR Commands You can also use the following commands Remove hidden lines using the command HIDE OBJECT Restore hidden lines using the command UNHIDE OBJECT Identify changes using the command MARK CHANGES Update the HLR graphics using the command UPDATE HLRIMAGE Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 5 Hidden Line Removal Removing Hidden Lines Removing Hidden Lines Removing hidden lines reduces the visual complexity of an object and gives it a three dimensional appearance This enables the natural visualization of solid models by blanking those features that would be invisible or hidden from the viewer if the object were solid If the HIDE OBJECT command is applied to previously HLRed entities it preserves the associative dimensions of the Limbs or Surrogates Similarly if the dimensions are applied to the viewed part entities HIDE OBJECT preserves the dimensions for those curves which are still visible after the execution of the command Please note When you perform an operation for hidden line removal a warning message appears if the selected entity is not a properly formed solid For viewed entities this message displays the name of the part or component its instance name ID Name and its Master Index Pointer miptr in the original part as follows In Part mode Warning Can t find solid for entity 328295 Miptr 32
28. al This option lets you generate a rendered representation of an object or set of objects You can e Perform hidden line removal on AEC objects e Perform hidden line removal on AEC objects with the creation of interference lines e Provide additional options to perform hidden line removal on AEC objects Getting to the AEC Hidden Line Removal Option 1 Click the Render icon from the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu Choose AEC HLR from the command palette Choose AEC HLR from the menu The AEC Hidden Line Removal command palette is displayed A w more The Hidden Line Removal property sheet gives you access to the following options Create a Visual Edge and Performing HLR This option allows you to perform hidden line removal on AEC objects It inserts visual edges on selected applications and performs HLR The setup parameters specified in the Hidden Line Removal Setup option are used with this option 2 18 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal AEC Hidden Line Removal Create a Visual Edge with Interference Lines This option allows you to create interference lines among components and within individual components This option inserts edges removes hidden lines and inserts dashed lines for selected AEC objects The setup parameters specified in the Hidden Line Removal Setup option are used with this option
29. al and AEC HLR User Guide and Menu Reference provides information on how to blank the features on a solid model that is invisible or hidden from the viewer when the object is a solid Related Documents The following documents may be helpful as you use Hidden Line Removal and AEC HLR User Guide and Menu Reference e Explicit Modeling User Guide and Menu Reference e Design and Drafting User Guide and Menu Reference Book Conventions The following table illustrates and explains conventions used in writing about CADDS applications Convention Example Explanation Menu selections and options List Section option Soecify Layer Indicates a selection you must make from a field menu or property sheet or a text field that you must fill in User selected graphic X dy or P1 Marks a location or entity selection in graphic location examples User input in CADDS text cvaec hd data param Enter the text in a CADDS text field or on any fields and on any command command line line tar xvf dev rsto System output Binary transfer complete Indicates system responses in the CADDS text window or on any command line Variable in user input tar cvf dev rstoO filename Replace the variable with an appropriate substitute for example replace filename with an actual file name Hidden Line Removal and AEC HLR User Guide and Menu Reference vii Preface Convention Example Explanation
30. al Preparation Option 2 8 Creating Visual Edges 2 10 Getting to the Create Visual Edges Option 2 10 Projecting an Outline 2 11 Getting to the Project an Outline Option 2 11 Depth 2 12 Vector 2 12 Outline Layer 2 12 Create Local Nfigure 2 13 Editing an Outline 2 14 Getting to the Editing an Outline Option 2 14 Relate Outline 2 14 Unrelate Outline 2 15 Verify Outline 2 15 Creating a Text Version of a Compiled Procedure File 2 16 Getting to the Create a Text Version of a Compiled Procedure File Option 2 16 Checking a Procedure File 2 17 Hidden Line Removal and AEC HLR User Guide and Menu Reference Contents v Getting to the Check a Procedure File Option AEC Hidden Line Removal Getting to the AEC Hidden Line Removal Option Creating a Visual Edge with Options Suboptions of Create a Visual Edge with Options Hidden Line Removal Options Pipe Representation Layer Options Editor Button Line Number Editor Property Sheet Using the Property Sheet Application Object Selection Method Property Sheet Using the Property Sheet Hidden Line Removal Editing Option Options on the Hidden Line Removal Editing Command Palette Hidden Line Removal Editing Options 2 17 2 18 2 18 2 20 2 2 2 2 2 22 2 22 2 22 2 23 2 23 2 23 2 24 2 25 2 26 2 27 Contents vi Hidden Line Removal and AEC HLR User Guide and Menu Reference Preface Hidden Line Remov
31. ard mode or exploded mode Otherwise the command is aborted and the following warning message is displayed Update HLRimage command is not valid in this mode Please change the current adrawing orientation using TOGGLE EXPLODED command and re issue the UPDATE HLRimage command When an entity in the PART environment undergoes a parametric change or in CAMU a remote part corresponding to a component is modified this option places the previously created dimensions wherever possible Any associative dimensions that have been applied to the Limbs or Surrogates are carried forward and reapplied to the updated HLR image These dimensions are automatically updated according to the changes you make in the entity In cases where reattachment of a dimension is not possible the particular dimensions are marked and they become nonassociative Please note In the Faceted engine mode you can interrupt the update HLR operation by pressing ESC Q while the UPDATE HLRIMAGE FACETED command is running The following figure shows the HLR Image menu with the Analytical engine selected Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 25 Hidden Line Removal Update Hidden Line Removal Image Figure 1 11 HLR Image menu in the Analytical mode Drawing Created Width Height Unit zoom scrol Copy view List Tso USER DEFINED Selection Merge This option enables you to select objects in HLRed view This results in a v
32. cumentation Online documentation for each book is provided in HTML if the documentation CD ROM is installed You can view the online documentation in the following ways From an HTML browser e From the Information Access button on the CADDS desktop or the Local Data Manager LDM Please note The LDM is valid only for standalone CADDS viii Hidden Line Removal and AEC HLR User Guide and Menu Reference Preface You can also view the online documentation directly from the CD ROM without installing it From an HTML Browser 1 Navigate to the directory where the documents are installed For example usr apl cadds data html htmldoc UNIX Drive usr apl cadds data html htmldoc Windows 2 Click mainmenu html A list of available CADDS documentation appears 3 Click the book title you want to view From the Information Access Button on the CADDS Desktop or LDM 1 Start CADDS 2 Choose Information Access the i button in the top left corner of the CADDS desktop or the LDM 3 Choose DOCUMENTATION A list of available CADDS documentation appears 4 Click the book title you want to view From the Documentation CD ROM 1 Mount the documentation CD ROM 2 Point your browser to CDROM_mount_point htmldoc mainmenu html UNIX CDROM_Drive htmldoc mainmenu htm1 Windows Online Command Help You can view the online command help directly from the CADDS desktop in the following ways e From the Info
33. d objects and does not display them in the final result Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 15 Hidden Line Removal Removing Hidden Lines Tangent Edge is defined as an edge of a solid such that for every point of the edge the tangent planes for the surfaces sharing the edge at the point match with each other Example of Remove Tangent Edges Every edge of a well defined solid is shared by two faces of the solid A face of a solid can be thought of as a bounded region of a surface Thus every edge of a well defined solid is shared by two surfaces A surface is well behaved at a point on the surface if you can define a tangent plane to the surface at that point uniquely If for every point on the edge both the surfaces sharing the edge are well behaved and the tangent planes for both the surfaces at that point match then such a edge is called a tangent edge For example in the case of a box if you fillet one of its edges then a cylindrical face is created between two planar faces of the box The edge joining a planar face and the cylindrical face of the filleted box is called a tangent edge If a model has a large number of such tangent edges the final hidden line removed picture may look quite cluttered up If you select filleted solids to be HLRed then every edge shared by a fillet surface will not be visible in the final HLR picture i a i 4 TE z EE E ESET i F STOO LLE NS REL MN Ai E E E
34. ding to the component has changed e In piece parts or in CAMU when there is an Explicit modeling change or when a new solid is created as a result of Boolean or replace solid operation e In CAMU and parts immediately after any Explicit transformation on operands e After every activate drawing or at the time of context switch if a view is due for update e Change in the orientation of view Exceptions to this case are e If the view aligned to the line of sight has not changed e g When the line of sight is along the Z axis and the view has rotated along this axis e If the view aligned to the line of sight is changed using Dynamic Manipulation Menu update requirement is initiated only on quitting the menu e If the view aligned to the line of sight is changed using mouse dynamics update requirement is not initiated unless SET VIEW is executed on the view Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 35 Hidden Line Removal Update Management Warning Failure to update a view requiring updation will result in the update color highlight persisting and could lead to errors in your visualization of the part You can disable the Update Management process for the HLR Section views using the HLR_SECTION_UPDATE_MANAGEMENT environment variable defined in the caddsrc local file By default the HLR_SECTION_UPDATE_MANAGEMENT variable is set to on To disable the Update Management process set the HLR_SEC
35. e mode facets are created instead of segments and their number depends on the quality factor selected Interference Computation helps you minimize errors caused by the interfering objects but can decrease the speed of HLR output Please note HIDE OBJECT does not check whether objects in a view interfere with each other Use Interference Computation when interfering elements exist to get correct HLR results Intersection Curves This option and its submodifiers are available only if the Interference Computation option is selected first Use this option to display the intersection curves while using the HIDE OBJECT command It automatically enables Interference This option involves a Boolean operation between the interfering objects and may take a significant amount of time for very complex and large assemblies and parts Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines e llayer Specifies the layer in which the HLR intersection curves are displayed If the layer is not specified the active layer value is used e tol Specifies tolerance to be used for the intersection process If the tolerance is not specified the default tolerance value is used This submodifier is not available in the Faceted engine mode The following figure shows the Quality option and the modifiers available when the Faceted engine is selected Move the slidebar to the right to obtain a higher quality
36. ed detail graphics Dash previously created detail graphics Restore blanked or dashed detail graphics Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 25 AEC Hidden Line Removal Hidden Line Removal Editing Option Sy more Options on the Hidden Line Removal Editing Command Palette Unhiding Detailed Objects This option enables you to remove hiding from selected application objects while leaving visual edges It unblanks the previously detailed objects for the identified entities This option uses the value of the smoothing angle specified in the hidden line removal Setup option To change the value of the smoothing angle access the hidden line removal Setup option Hiding is removed from the selected application objects while the visual edges are left as they are Merging Hidden Objects This option enables you to merge the results of different hidden line removal executions for selected application objects Replacing Detailed Objects This option enables you to replace visual edges and hiding for selected application objects by detailed graphics Comparing Details This option enables you to compare new details to old by replacing visual edges and hiding for selected application objects while saving the old details Editing a VisualEdge With Options Displays a property sheet that provides you with more customized access to the AEC HLR functions For more details refer to Creating Visual Ed
37. engine is selected this option involves a Boolean operation between the interfering objects and may take significant time for very complex and large assemblies and parts e llayer Specifies the layer in which the HLR intersection curves are displayed If the layer is not specified the active layer value is used e tol Specifies tolerance to be used for the intersection process If the tolerance is not specified the default tolerance value is used This submodifier is not available in the Faceted engine mode Refine Use this option when the HIDE OBJECT command does not produce accurate Hidden Line Removal This option provides better quality results of an HLR image Refine is not available in the Faceted engine mode but the Qualityfactor modifier available when using the Faceted engine may be adjusted to achieve similar results The following figure shows the Quality option and the modifiers available when the Faceted engine is selected Move the slidebar to the right to obtain a higher quality of output for the HLR image Moving it to the left will result in faster HLR but the image will be less accurate 1 28 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Hidden Line Removal Image Figure 1 12 HLR Image Menu in Faceted Mode HLR Image Update Image change Image Appearance Show status Engine Mark Include Mark Exclude Quality y Interference Computation
38. es interference lines among components and within individual components Replace Previous Hiding Specifies that new representations will replace previous hiding Regenerates and replaces existing detailed graphics with new detailed graphics Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 21 AEC Hidden Line Removal Creating a Visual Edge with Options Pipe Representation Specifies the type of line graphics that will be used for pipe representation Create Double Line This option creates double line graphics for all disciplines This is the default selection Create Single Line This option creates single line graphics for piping equal to or less than the diameter specified in the Change Pipeline Parameters option on the Piping Setup command palette Layer Options Specifies the layer on which the detail graphics will be placed Use Component s Layer Places all newly created detail graphics on the same layer as the corresponding model entity Use Specified Layer Specifies the layer where replaced graphics are saved and copied The default value is 0 Editor Button AEC Hidden Line Removal property sheets have a unique feature called the editor button For more information about using CADDS property sheets refer to the Explicit Modeling User Guide and Menu Reference Some fields on the property sheet display scrolling lists of valid selections for that field To access such a list an editor but
39. ges 2 26 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Hidden Line Removal Editing Option Hidden Line Removal Editing Options Specifies the options that can be used along with hidden line removal Create Interference Lines Creates interference lines among components and within individual components If both intersecting components are projected outlines interference lines are not generated Merge With Existing Detail Specifies that detail graphics for the identified components should be merged When multiple sets of components are specified each set is hidden against each other set Individual components within sets are not hidden against each other If only one set is entered every entity in the set is hidden against every other entity in the set Update Changed Detail Graphics Specifies that existing detail graphics should be replaced by new graphics only if there has been a change in the detailing Replaced graphics are saved and copied to the appropriate layer as specified in the Layer Option Deleting Detailed Objects This enables you to delete detailed graphics from a model or portion of a model returning it to its predefined state If a detailed entity is digitized the command deletes all Draw View mode detail graphics associated with Nfigure or Nline and fonts on all strings related to a projected outline Relating Details Creates a parent child relationshi
40. h in absolute drawing units The default value is 0 0001 e Space Length Specifies the spacings between dashes in absolute drawing units The default value is 0 0001 Change Image Appearance This option allows you to update the HLRed image using the following modifiers Please note At least one of the options must be selected in order to apply this menu HLA Image f Update Image _ change Image Appearance i Show Status T Show a Remove e Tangent Edges Choose Show to display the tangent edges in the final result Remove will identify all the tangent edges in the view and suppress them in the final result Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 31 Hidden Line Removal Update Hidden Line Removal Image e Topological Edges Choose Show to display all the Topological edges in the final result Remove will identify all the Topological edges in the view and suppress them in the final result e Hidden Lines Choose Blanked to blank all the Hidden Lines in the view Dashed will displays the Hidden Lines as dashed lines and one or both of the following submodifiers should be used e Dash Length Specifies the dash length in absolute drawing units The default value is 0 0001 e Space Length Specifies the spacings between dashes in absolute drawing units The default value is 0 0001 e Dissociate Surrogates This option converts an associative HLR Image to a nonassociative image
41. ials and other documentation that is not design related RENDER VIEW HLR Quality Statement The quality of Hidden Line Removal HLR images depends on the platform the graphics board and the graphics driver used Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 3 Hidden Line Removal Accessing HLR Options Accessing HLR Options The Hidden Line Removal HLR options are available from the Render icon located on the top bar of all Explicit environments To Access HLR 1 Click the Render icon paintbrush on the Environment Global area of the top bar 2 Choose Hidden Line Removal from the pulldown menu HIDDEN LINE REMOVAL SHADED WITHOUT WIREFRAME SHADED WITH WIREFRAME HIDDEN LINES DASHED HIDDEN LINES REMOVED WIRE FRAME NO INTERACTIVE RENDERING IMAGEDESIGN EDIT PICTURE EXIT PICTURE The Hidden Line Removal command palette appears Hidden Line Removal 1 4 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Accessing HLR Options The Hidden Line Removal command palette allows you to Remove hidden lines from an object Restore hidden lines previously removed from an object Remove hidden lines from Application Objects Identify changes Update the HLR graphics The third icon AEC9 HLR allows you to access the Graphical User Interface for Architecture Engineering Construction AEC Hidden Line Removal These options are expl
42. iew where the new objects selected using the Merge modifier have their hidden lines removed and previously HLRed objects are updated 1 26 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Hidden Line Removal Image Individual objects can be selected for merging or groups of objects can be selected by defining a window around them using the selection filters in the top menu bar Select either the Faceted or the Analytical engine option for this operation If you select neither of these options the engine chosen for the last HLR operation will be used Please note For better UPDATE HLRIMAGE results using Merge you should select all objects that interfere with the new object to be HLRed ALL This option will select all objects in the part while using UPDATE HLRIMAGE with Merge You cannot select ALL without selecting the Merge option Clip This option removes hidden lines only from those entities that lie within or crossing the selected view boundaries This option has the following modifiers e In Removes hidden lines from entities inside the view clip volume e Cross Removes hidden lines from entities that cross the view clip volume e In and Cross Enables both the options to remove hidden lines from the entities that lie within and cross the selected view boundaries Alternatively you can perform the same operation by clearing the selection of the In and Cross options No
43. intbrush from the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu 3 Click the Restore Hidden Lines icon on the Hidden Line Removal command palette estore Hidden Lin You can select the following options from the Restore Hidden Lines property sheet 1 20 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Restoring Hidden Lines For all Objects Specifies that objects in the specified view including the objects that are completely hidden are to be restored 1 Select the views in which you want to perform Restore Hidden Lines 2 Click Apply For selected Object Specifies the Hidden Lines will be restored for selected objects only To do this 1 Select the views in which you want to perform Restore Hidden Lines 2 Click the Objects button from the menu 3 Select the objects to which you want to apply Restore Hidden Lines 4 Choose Apply Unblank Viewed Objects Unblanks the view parts or assemblies that are blanked as a part of the HLR process Please note The Restore Hidden Lines property sheet is an immediate action property sheet After you have chosen Apply you cannot abort the command unless you choose Abort from the Utilities command palette Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 21 Hidden Line Removal Restoring Hidden Lines Example of Image Before and After Restored Hidden Lines The e
44. jects gt Aewove Tangent Edges 0 Show Topological Edges T bashed Hidden Lines Cancel Only the options related to the Image Details option are displayed Please note All options and modifiers common to the Faceted and Analytical engine are identical in function Quality When you select the Quality option the Faceted and Analytical modes of the Remove Hidden Lines menu appears as shown Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 9 Hidden Line Removal Removing Hidden Lines Figure 1 4 Quality option in Faceted and Analytical mode Remove Hidden Lines aly Remove Hidden Lines Engine SFaceted Analytical Quality Interference Computation Perforaanice Qual ity Quallty i Interference Computation 7 Tolerance 50 T Liab Tolerance E T a E Ho of Segments fl 0m0 T Refine Selection Method 7 Selection Method Image Details M Image Details Cancel Apply Raset Cancel a pa Gana Use the Quality option to set the quality of the image Control the quality of the image in the two modes in the following manner e Move the slide bar in the Faceted mode e Specify the Tolerance value in the Analytical mode Interference Computation Choose this option in the Analytical engine mode to subdivide all the curves into an independent number of segments The default number of segments is set at 10 In the Faceted engin
45. l and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines Figure 1 7 Image Details Option Remove Hidden Lines Engine Quality Selection Method Image Details af associative sayer f y Blank viewed Objects Remove Tangent Edges Show Topological Edges aT Dashed Hidden Lines Cancel Associative The HLR image that is created is associative that is whenever you move a viewed component all the HLR curves and limbs corresponding to the component also move This is the default When you do not select this option the NONASSOCIATIVE modifier gets selected to the command HIDE OBJECT and the image created is nonassociative For a nonassociative image the HLR curves and limbs do not move when the underlying component is moved You can create a nonassociative image in the CAMU environment only Layer This is a suboption to the modifier NONASSOCIATIVE You can put all the nonassociative curves can be on the selected layer with this option Blank Viewed Object Use this option to override the default which causes view parts or assemblies to be blanked during the Remove Hidden Lines process If you select this option you must manually blank the viewed parts in order to obtain the correct image Remove Tangent Edges Choose this option to suppress all the tangent edges for the selected solids On selecting this option CADDS identifies all the tangent edges in all the selecte
46. line removal to objects such as primitives swept solids Boolean solids and on all objects supported by the Basic Shader or Image Design II Restore Hidden Lines This command option restores the hidden lines of the object You can choose to restore lines for all objects or only those that you select How Hidden Line Removal can Help the Design Process Hidden Line Removal has many features that can improve the design process some of which are described in the following sections Naturally Visualize Objects Removing hidden lines enables the natural visualization of objects by blanking those features that would be invisible or hidden from the viewer if the object were solid As a result the visual complexity of the scene is reduced and the object appears three dimensional Focus on the View you Want You can blank the features on an object in one view This lets you proceed with interactive construction on the part while providing three dimensioned visualization of objects Using explicit xyz coordinates you can select or identify all entities in a hidden line image HLR enables you to hide any solid objects that appear against each other in a scene 1 2 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Overview of Hidden Line Removal Use Images for Illustrations Besides aiding the design process hidden line images may be used as illustrations for technical publications marketing mater
47. m Intersection Curves E i 50 ee Quality gt Apply eset Cancel Image Details This option is identical in both the Faceted and Analytical mode Selecting Image Details will update the HLRed image using one or a combination of the submodifiers Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 29 Hidden Line Removal Update Hidden Line Removal Image Please note On selecting this option you are required to select at least one of the submodifier of Image Details HLR Image _ Update Image apa if Change Image Appearance Show Status Engine RETEN Image Details Tangent Edges show mt Remove Topological Edges Hidden Lines blanked Dashed Cancel e Tangent Edges Choose Show to display all the tangent edges in the final result Remove identifies all the tangent edges in the view and suppresses them in the final result e Topological Edges Choose Show to display all the Topological edges in the final result Remove identifies all the Topological edges in the view and suppress them in the final result 1 30 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Hidden Line Removal Image e Hidden Lines Choose Blanked to blank all the Hidden Lines in the view Dashed will display the Hidden Lines as dashed lines and one or both of the following submodifiers should be used e Dash Length Specifies the dash lengt
48. n Line Removal Setup property sheet is displayed Hidden Line Removal Dashing Options _J within Object Dashing 10 1600 Dash Length Value 10 1600 ace Length Value Between Object Dashing 10 1600 Dash Length value 10 1600 Apply Set Units Units Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 5 AEC Hidden Line Removal Hidden Line Removal Setup The Hidden Line Removal Setup property sheet allows you to access the following functions e Dashing parameters interobject and intraobject dashing e Procedure file section selection e Smoothing of facets for projected outlines Options on the Hidden Line Removal Setup Property Sheet The following sections describe the options on the Hidden Line Removal Setup property sheet Within Object Dashing Displays hidden lines inside objects as dashed lines There are two variables that can be entered for this option They are Dash Length Value Use this field to specify the length of the dash that is used to represent hidden lines inside objects The default value is 0 16 Selecting the field activates a real number calculator Enter the required value using the calculator Units Use this field to specify the units in which the length of the dash is represented The default value is in inches Select the Units field to display an option list of unit values IN FT MI MM CM M or KM Space Length Value Use this field
49. ng 2 14 projecting 2 11 by depth 2 12 creating local Nfigures 2 13 P Parametric environment hidden line removal on objects from 1 41 Printing documentation from Portable Document Format PDF file 1 x Procedure files checking 2 17 syntax verification 2 17 use in setup 2 7 Projecting outlines 2 11 along a vector 2 12 by depth 2 12 creating local Nfigures 2 13 Q Quality 1 9 1 28 R Refine 1 12 1 28 Relating outlines 2 1 Remove Hidden Lines 1 41 multiple views using 1 41 viewed parts and assemblies using with 1 41 Removing hidden lines 1 7 font based restrictions to 1 40 mesh based restrictions to 1 40 on Parametric environment objects 1 41 restrictions 1 40 rotation based restrictions to 1 40 supported lines in 1 2 view specificity of 1 2 Restore Hidden Lines property sheet 1 21 Restoring Hidden Lines 1 20 aborting once applied 1 21 accessing via Render icon menu 1 20 cancelling once applied 1 21 example 1 20 guidelines 1 20 procedure 1 20 property sheet 1 21 Render icon menu used to access 1 20 view selection 1 20 S Setup for hidden line removal 2 1 Silhouettes 1 19 slidebar 1 28 Smoothing angle in setup 2 7 Solids HLR 2 2 Strongly Invisible Curve definition 1 19 U Unblanking detailed objects procedure 2 26 Unblanking hidden lines 1 1 Undefine Section in the Explicit environment restriction 1 17 Update HLR Image 1 24 UPDATE HLRIMAGE Interrupt 1 25 User Interrupt 1 25
50. ng the Mark Change Option 1 23 Update Hidden Line Removal Image 1 24 Using the Update HLR Image Option 1 24 Update Image 1 25 Selection 1 26 Quality 1 28 Image Details 1 29 Change Image Appearance 1 31 Show Status 1 32 Update Management 1 34 View Data Menu 1 36 Legacy Parts in Update Management 1 39 Restrictions and Notes 1 40 User Created Fonts are Removed 1 40 Preservation of User Created Fonts by HLR 1 40 Rotated Images are not Updated 1 40 Surface Meshes are not Modified 1 40 Using Remove Hidden Lines with Viewed Parts and Assemblies 1 41 Using Remove Hidden Lines in Multiple Views 1 41 Using Remove Hidden Line on Objects Created in the Parametric Environment 1 41 Using Nonassociative HLR Image 1 41 Using Associative HLR Image 1 42 Associating Viewed Components to Centerline Label or Hatch _ 1 42 Contents iv Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Introduction to AEC Hidden Line Removal 2 2 Accessing Hidden Line Removal Options 2 3 From the Render option 2 4 Hidden Line Removal Setup 2 5 Getting to the Setup Option 2 5 Options on the Hidden Line Removal Setup Property Sheet ___ 2 6 Within Object Dashing 2 6 Dash Length 2 6 Space Length 2 6 Between Object Dashing 2 7 Procedure File Sections 2 7 Smoothing Angle 2 7 AEC Hidden Line Removal Preparation 2 8 Getting to the AEC Hidden Line Remov
51. ns only one group of relationships can be highlighted at a time Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 15 AEC Hidden Line Removal Creating a Text Version of a Compiled Procedure File Creating a Text Version of a Compiled Procedure File _F EOC This option creates a text version of a compiled procedure file and lists the contents It converts a binary file into a text file of the same name It also prints each line of the procedure file while processing Visualization commands do not use compiled binary procedure files If a procedure file is compiled this option converts uncompiles it into text before checking it The binary file will be deleted An uncompiled procedure file is equivalent to the original text file except e It does not include original comment lines e It only uses standard keywords These may not match the original keywords but they work the same Getting to the Create a Text Version of a Compiled Procedure File Option 1 Click the Render icon on the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu 3 Choose AEC HLR from the command palette 4 Choose AEC HLR PREP from the menu The AEC HLR Preparation command palette is displayed 5 Select the Create a Text Version of a Compiled Procedure File from the property sheet A procedure file Name field appears Procedure File Narre 6 Enter the file name in the field that ap
52. or cross the selected view boundaries e Use the In option to remove hidden lines from entities inside the view clip volume e Use the Cross option to remove hidden lines from entities that cross the view clip volume Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 13 Hidden Line Removal Removing Hidden Lines e Select both In and Cross options to remove hidden lines from the entities that lie within and crossing the selected view boundaries Alternatively you can perform the same operation by clearing the selection of In and the Cross options 3 Choose the Select Graphically option to remove hidden lines from the objects that you have selected graphically 4 Choose the Specify Objects option to remove hidden lines from all the entities of a specified types as follows e Solid Entities Removes hidden lines from all visible solid entities e Surface Entities Removes hidden lines from all visible surface entities e Curve Entities Removes hidden lines from all curved entities e AEC Entities Removes hidden lines from all visible AEC entities 5 Choose the Mark Include option to remove hidden lines from marked entities only 6 Choose the Mark Exclude option to remove hidden lines from unmarked entities only Image Details When you select the Image Details option both Faceted and Analytical modes of the Remove Hidden Lines menu show common controls and appear as shown 1 14 Hidden Line Remova
53. ove Hidden Lines menu expands for further data input when you choose one of these options You can also remove hidden lines without selecting or expanding the Quality Selection Method or Image Details options The hidden line removal operation is then performed with the default values of the Quality Selection Method or Image Details options When you choose any one of these options the related options are displayed The Remove Hidden Line menu expands or contracts displaying the related options For example if you choose the Faceted engine and choose the Quality option the Remove Hidden Lines menu appears as shown Figure 1 2 Remove Hidden Lines menu with Faceted gt Quality option selected Renove Hidden Lines Engine BIE Analytical I Quality Interference Computation ou E Ta c Por Poraance Qual i ty I Selection Method M Image Details Cancel Only the options related to the Quality option are displayed Similarly if you choose the Analytical engine and choose the Image Details option the Remove Hidden Lines menu appears as shown 1 8 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Removing Hidden Lines Figure 1 3 Remove Hidden Lines menu with Analytical gt Image Details option selected ve Hidden Lines Engine E Faceted Analytical M Quality Selection Method Y Image Detalle v Associative aver I w Blank Viewed Ob
54. p between a model entity an Nline or Nfigure and detail graphics Child detail graphics can consist of simple arcs strings lines and text created in Draw mode with a view selected This option provides flexibility in enhancing drawings For example you can superimpose symbols you design such as the pipe end symbol over an Nline or Nfigure and then relate these details to the model entity The model entity is then erased in the given view If you later delete or move the model entity its detail graphics go with it Unrelating Details Removes the parent child relationship between detail graphics and a model entity The command works through selection of the entities of detail graphics in the view where the relationship was made When this relationship has been removed the original Nline Nfigure is displayed again Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 27 AEC Hidden Line Removal Hidden Line Removal Editing Option Blanking Detail Graphics This option blanks selected portions of the visual edge of an application object A pulldown menu is displayed It provides the following options e Polygon Window Select this option to blank previously created detail graphics from a polygonal window Select the points that will define the boundaries of the polygonal window e Window Select this option to blank previously created detail graphics from a rectangular window Select the top left corner and the bot
55. pears 2 16 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Checking a Procedure File Checking a Procedure File Gh This option verifies the syntax and lists the contents of a procedure file It ensures shape b shape a that all elements of a procedure file are valid Getting to the Check a Procedure File Option 1 A w Click the Render icon on the Environment Global area of the top bar Choose Hidden Line Removal from the menu Choose AEC HLR from the command palette Choose AEC HLR PREP from the menu The AEC HLR Preparation command palette is displayed Choose the Check Procedure option from the AEC HLR preparation palette A Procedure File Name field appears Procedure File Narre 6 Enter the file name in the field This is a direct action menu selection When you choose this option a text file of the same name is created from the active compiled file An error message is displayed if The file does not exist The file contains incorrect syntax Supplied keywords are incorrect for the specified shape Supplied keywords are insufficient to define the specified shape not all mandatory keywords are provided The file does not specify units with a Units statement as the first noncomment line Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 17 AEC Hidden Line Removal AEC Hidden Line Removal AEC Hidden Line Remov
56. ption to indicate the vector direction specified by selecting two points along which you want the selected outlines to be projected Done Choose this option to project the outlines of the selected entities Oufline Layer Specifies the layer where the projected outline is placed The default outline layer is the active construction layer Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Projecting an Outline Create Local Nfigure Specifies that local nodal figures are to be created Layer Specifies the layer on which the nodal figure instance is to be located The default is the active construction layer The default name is POUTLINE LNFIG Name Specifies the name for the local nodal figure that is created Each consecutive pair of vertices of the outline is projected as a closed planar string The outline may be projected by a specified depth or along a specified vector With the execution of this command a local nodal figure is optionally attached to the original string at its beginning location All the strings can be translated rotated or deleted individually or as a group by identifying the appearance symbol of the local nodal figure You can select a maximum of 3000 string entities Each string of the outline to be projected is limited to 99 vertices Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 13 AEC Hidden Line Removal Editing an Outline
57. r liability for any errors or inaccuracies that may appear in this document The software described in this document is provided under written license agreement contains valuable trade secrets and proprietary information and is protected by the copyright laws of the United States and other countries It may not be copied or distributed in any form or medium disclosed to third parties or used in any manner not provided for in the software licenses agreement except with written prior approval from PTC UNAUTHORIZED USE OF SOFTWARE OR ITS DOCUMENTATION CAN RESULT IN CIVIL DAMAGES AND CRIMINAL PROSECUTION For Important Copyright Trademark Patent and Licensing Information For Windchill products select About Windchill at the bottom of the product page For InterComm products on the Help main page click the link for Copyright 2007 For other products select Help gt About on the main menu for the product UNITED STATES GOVERNMENT RESTRICTED RIGHTS LEGEND This document and the software described herein are Commercial Computer Documentation and Software pursuant to FAR 12 212 a b OCT 95 or DFARS 227 7202 1 a and 227 7202 3 a JUN 95 and are provided to the US Government under a limited commercial license only For procurements predating the above clauses use duplication or disclosure by the Government is subject to the restrictions set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software Clause
58. r strings outlines Getting to the Project an Outline Option 1 Click the Render icon from the Environment Global area 2 Choose Hidden Line Removal from the menu The Hidden Line Removal command palette appears 3 Choose AEC HLR from the palette 4 Choose AEC HLR PREP from the menu The AEC HLR Preparation command palette appears 5 Choose the Project an Outline option from the AEC HLR Preparation palette The Outline Projection property sheet appears Outline Projection Depth 10 00000 sa Wector Outline Layer D NTigure Parameters _ Create Local Nfigure B Name POUTLINE LNFIG Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 11 AEC Hidden Line Removal Projecting an Outline The Outline Projection property sheet gives you access to the following options Depth Specifies the displacement along the z axis of the active construction plane Enter the depth by which the outline should be projected It can be either a positive or negative real number Vector Specifies the distance and the direction of the projection It can be entered either as two selections or as coordinates while selecting This is the default selection Note that when projecting an outline along a vector you must have selected the CPL TOP view If you select the Vector option the Project pulldown menu is displayed The Project pulldown menu provides the following options Vector Locs Choose this o
59. rmation Access button on the CADDS desktop or the LDM From the command line From the Information Access Button on the CADDS Desktop or LDM 1 Start CADDS 2 Choose Information Access the i button in the top left corner of the CADDS desktop or the LDM 3 Choose COMMAND HELP The Command Help property sheet opens displaying a list of verb noun combinations of commands Hidden Line Removal and AEC HLR User Guide and Menu Reference ix Preface From the Command Line Type the exclamation mark to display online documentation before typing the verb noun combination as follows 01 INSERT LINE Printing Documentation A PDF Portable Document Format file is included on the CD ROM for each online book See the first page of each online book for the document number referenced in the PDF file name Check with your system administrator if you need more information You must have Acrobat Reader installed to view and print PDF files The default documentation directories are e usr apl cadds data html pdf doc_number pdaf UNIX e CDROM_Drive usr apl cadds data html1 pdf doc_number pdf Windows Resources and Services For resources and services to help you with PTC Parametric Technology Corporation software products see the PTC Customer Service Guide It includes instructions for using the World Wide Web or fax transmissions for customer support Documentation Comments PTC welcomes yo
60. t zoom Scroll T A AE Copy View List TOP Tso USER DEFINED ae This menu along with information about the drawing highlights in the View List the view s requiring to be updated Choosing the Update view s option and applying the menu will automatically update these views 1 34 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Update Management The Drawing Data menu can also be launched using the query pulldown window in the top menu bar of CADDS or by issuing the LIST DRAWING command on the command line Copy and Rename the drawing choosing the Copy or Rename menu option A separate menu is launched for these operations Please note To reset the default upgrade alert color of magenta to one of your choice reset the UPDATE_DUE_VIEW_COLOR variable in the caddsrc file Colors ranging from 0 to 255 and the strings red blue normal gray cyan green magenta yellow white pink brown and violet are accepted The strings may be uppercase or lowercase as shown in the following examples Setenv UPDATE DUE _VIEW_COLOR 3 Setenv UPDATE_DUE_VIEW_COLOR Yellow Setenv UPDATE _DUE_VIEW_COLOR YELLOW If an update is required HLR Update Management will highlight the relevant view requiring update in each of the following cases e In CAMU when a component is transformed and removed or during drawing activation if the remote part correspon
61. th Viewed Parts and Assemblies Using Remove Hidden Lines on viewed parts either from CAMU or Explicit View Part creates surrogate copies of all visible edge curves The command also blanks all viewed parts At the end of the process you have an HLR image in the views you designated The surrogate curves are visible only in the views in which HLR is performed In addition these surrogate curves are grouped together each group representing a single viewed object This grouping prevents you from deleting an HLR curve by mistake You should modify the appearance of the curve if it is not satisfactory To return the part to the original state use the Restore Hidden Lines option and select the For all Objects button digitize all HLR views This will delete all the HLR groups in the active part and restore the viewed parts Using Remove Hidden Lines in Multiple Views Performance is much better if you perform Remove Hidden Lines on all views at one time particularly when working with viewed parts or assemblies Doing so will reduce the number of entities created Each execution of Remove Hidden Lines creates a new set of local curves pre existing HLR pictures will not be updated to reflect the creation of these curves Using Remove Hidden Line on Objects Created in the Parametric Environment You can use Remove Hidden Lines on objects created in the Parametric environment and viewed in the Explicit environment However if you reenter the
62. to specify the length of the spaces between the dashed lines The default value is 0 16 Selecting the field activates a real number calculator Enter the required value using the calculator Units Use this field to specify the units in which the length of the spaces in the dashed lines is represented The default value is in inches Select the units field to display an option list of unit values IN FT MI MM CM M or KM 2 6 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Hidden Line Removal Setup Between Object Dashing Displays hidden lines between objects as dashed lines There are two variables that can be entered for this option They are e Dash Length Value Use this field to specify the length of the dash that is used to represent the hidden lines between objects The default value is 0 16 Selecting the field activates a real number calculator Enter the required value using the calculator Units Use this field to specify the units in which the length of the dash is represented The default value is in inches Select the Units field to display an option list of unit values IN FT MI MM CM M or KM e Space Length Value Use this field to specify the length of the spaces between the dashed lines that is used to represent hidden lines between objects The default value is 0 16 Select the field to activate a real number calculator Units Use this field to specify the
63. tom right corner to define the boundaries of the rectangular window e Line Interval Select this option to blank previously created detail graphics on a specified portion of a line segment Select the start and end points of the line to define the line interval Select Done from the Utilities menu Selected portions of the visual edge of an application object are blanked Dashing Detail Graphics This option dashes the selected portions of the visual edge of an application object A pulldown menu is displayed which provides the following options e Polygon Window e Window e Line Interval Select Done from the Utilities menu Selected portions of the visual edge of an application object are dashed Restoring Detail Graphics This menu restores the blanked or dashed portions of the visual edge of an application object A pulldown menu is displayed which provides the following options e Polygon Window e Window e Line Interval Select Done from the Utilities menu The blanked or the dashed portions of the visual edge of an application object are restored 2 28 Hidden Line Removal and AEC HLR User Guide and Menu Reference Index A Aborting hidden line restoration 1 21 AEC Products 2 2 ALL 1 27 Analytical 1 7 Application Object Selection Method Property Sheet 2 23 Architecture Engineering Construction Products 2 2 B Binary procedure files 2 1 2 16 Blanking hidden lines 1 1 C Cancelling hidden
64. ton is provided next to the field Editor button is the field with the 3 dots Line Nos PIPE1 Click the Editor button to display a scrollable list of all numbered pipe and duct runs in the active and viewed parts 2 22 Hidden Line Removal and AEC HLR User Guide and Menu Reference AEC Hidden Line Removal Creating a Visual Edge with Options Line Number Editor Property Sheet Select the Editor button and the Line Number Editor property sheet is displayed Line Number Editor i Using the Property Sheet The Line Number Editor property sheet displays a scrollable list of all numbered pipe and duct runs in the active and viewed parts Select a pipe or duct run and it is displayed in the corresponding field You can choose multiple labels select another pipe or duct run and it is displayed them in the corresponding field separated from the first label by a comma You can specify up to 10 label names in this manner When all required labels have been entered click Accept Application Object Selection Method Property Sheet 1 Select the Select Graphically by Object or the Select Specified Object the following field gets highlighted Types PEC 2 Select the editor button Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 23 AEC Hidden Line Removal Creating a Visual Edge with Options 3 The Application Object Selection Method property sheet is displayed AE C
65. ur suggestions and comments You can send feedback electronically to doc webhelp ptc com Hidden Line Removal and AEC HLR User Guide and Menu Reference Chapter Hidden Line Removal This chapter describes how to access the Graphical User Interface GUI for Hidden Line Removal HLR for objects It describes how to blank the features on an object that would be invisible or hidden from the viewer if the object were solid It also describes how to restore unblank hidden lines e Overview of Hidden Line Removal e Accessing HLR Options e Removing Hidden Lines e Restoring Hidden Lines e Mark Changes e Update Hidden Line Removal Image e Update Management e Restrictions and Notes Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 1 Hidden Line Removal Overview of Hidden Line Removal Overview of Hidden Line Removal The following sections describe Hidden Line Removal What is Hidden Line Removal Hidden Line Removal HLR consists of two command options that are accessible from the CADDS desktop Remove Hidden Lines This enables you to erase the hidden lines and generate silhouettes on objects defined as solid or trimmed surfaces to produce a complete three dimensional image You can apply Hidden Line Removal simultaneously to more than one view and to all the objects or only those that you have selected You can also blank the hidden lines or show them as dotted lines You can apply hidden
66. ved by HLR commands The types of data that are removed by HLR are e View specific blanking or fonting of entities e Incremental blanking or fonting of entities Preservation of User Created Fonts by HLR HIDE OBJECT and UPDATE HLRIMAGE preserve manually applied fonts in CAMU as well as in viewed part environment Rotated Images are not Updated If you rotate the image using Rotate View Dynamic View on a view after using Remove Hidden Lines you may rotate hidden lines to positions where they would no longer be hidden The system does not automatically update the image with respect to the new viewing angle If you rotate a view with hidden lines you can restore the image with one of the following methods e Execute Restore Hidden Lines to restore the original objects e Execute Remove Hidden Lines again e Reset the view to its original orientation Surface Meshes are not Modified Remove Hidden Lines does not modify surface meshes You must change a mesh to 1 x 1 or blank any mesh that interferes with visualization of the hidden line image Warning Before removing hidden lines use Detect Interference to ensure that none of the objects penetrate each other If the 1 40 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Restrictions and Notes objects share common volume the image created by Remove Hidden Lines could contain significant errors Using Remove Hidden Lines wi
67. xample below shows an image of a solid model before and after the hidden lines have been restored gt BEFORE 1 22 Hidden Line Removal and AEC HLR User Guide and Menu Reference Hidden Line Removal Mark Changes Mark Changes The MARK CHANGES option marks or highlights the changes in the HLR image that are out of sync with the viewed part entities from which they have originated This option recognizes the differences due to modeling changes in the remote part loss of association to the viewed part and the discrepancies if any between the instance transformation and the positions of the surrogates To unhighlight the marked entities use the MARK ENTITY CLEAR ALL option Using the Mark Change Option 1 Click the Render icon paintbrush on the Environment Global area of the top bar 2 Choose Hidden Line Removal from the menu 3 Click the Mark Changes icon on the Hidden Line Removal command palette Hidden Line Removal and AEC HLR User Guide and Menu Reference 1 23 Hidden Line Removal Update Hidden Line Removal Image Update Hidden Line Removal Image The Update Hidden Line Removal Image UPDATE HLRIMAGE option re executes the Remove Hidden Lines option for all objects in a selected view Entities not visible in an earlier view will also be updated UPDATE HLRIMAGE can also change selective attributes for an HLRed view without repeating the entire HLR calculation for a faster updated output
68. xists in the viewed part All CADDS design parts except older CADDS parts automatically contain this information Such older parts have to be activated and filed as design parts in order to ensure subsequent associativity with respect to HLR Associating Viewed Components to Centerline Label or Hatch e It will not be possible to associate an existing nonassociative centerline label or hatch with a viewed entity using CHANGE DIMENSION ASSOCITIVE command e If apart corresponding to a component is renamed or deleted then the centerline label or hatch associated with the viewed component will be lost Chapter 2 AEC Hidden Line Removal This chapter describes how to access the Graphical User Interface for AEC Hidden Line Removal functions and briefly describes the options available from it AEC HLR functions are available from all Explicit environments e Introduction to AEC Hidden Line Removal e Accessing Hidden Line Removal Options e Hidden Line Removal Setup e AEC Hidden Line Removal Preparation e Creating Visual Edges e Projecting an Outline e Editing an Outline e Creating a Text Version of a Compiled Procedure File e Checking a Procedure File e AEC Hidden Line Removal e Creating a Visual Edge with Options e Hidden Line Removal Editing Option Hidden Line Removal and AEC HLR User Guide and Menu Reference 2 1 AEC Hidden Line Removal Introduction to AEC Hidden Line Removal Introduction to AEC Hidden

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