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1. NN change _ change u change change change change TextView CaretColor RGBColor 20 255000 change change c eem 1 change e change change Ea See change CodeText AllowGraphics Bool YES change change CodeText CommentColor RGBColor 20 00 eee 255 change Ze change il mum pee m 0 change vemm change 17 change change 1 oe e NN eem change ums mae change ProgEnv UseMapFiles Bool YES MET variable do not change ProgEnv SrcPath MET variable do not e src e src PROGENV e src PRINTERS e change src SUNWINDOW e src KWINDOW e src UNIX e src STREAMS e src CONTAINER e src CO NVERTERS e src LOOKS Application DebugButtonInAlert Bool YES change Document MakeBackup Bool YES change Document Size Point Point Document UndoLevel Num 10 change Browser Fastlcons Bool FALSE change change change 1 change m change 1600 595 Size of BUILD IT window both working areas 18 APPENDIX 3 SNAPINFO DAT FILE SNAPPING AMONG 5 Table 3 Snaplnfo dat file parameter name values and significance Parameter name and parameter values display Display the following information by program start up T E ___ objects mikron karussell 3d Points 1 SnappingPoints Each snap point
2. BUILD IT User Manual Version 1 3 8th 1998 5 TABLE OF CONTENTS 222 c 2 SYSIEM DELIVER a 0 0 3 SYSHEW DESERIPFNION eee as ee sera ea m 4 SYSTEM ASSEMBLY 5 BEAMER AND VIDEO ADJUSTMENT 2 7 CALIBRATION 8 SYSTEM START UP USAGE AND SHUT 9 INPUT OF 3D CAD OBJECTS VRML DATA 14 APPENDIX 1 DIRECTORIES AND FILES ikea ER sS adv ue ecco Ss take acras 15 APPENDIX 2 FILE GENERAL enne nnn 16 APPENDIX 3 SNAPINFO DAT FILE SNAPPING AMONG 19 APPENDIX A ADDRESSES oiiire a e coe ico ie codes UV en EU IM EL EM 20 REFERENCES t 21 INDEX Cee Ee ee EE ME I DEM NUM 22 SYSTEM Figure 2 Detailed view of camera lamp beamers with remote control and adjustment screw left All these parts have appropriate places for installation in the rack right Computer and keyboard are put into the lower part of the rack Table 1 List of system parts System part Name of product amp technical details 1 computer Compaq PWS 5100 Dual Pro
3. sent as wrl files to BUILD IT A VRML based connection offers the important advantage of data compression allowing for reduced information flow and less object complexity This feature is just as vital to object handling in the Web as with the BUILD IT system Without data reduction only high performance CAD systems would be able to deliver multiple 3D object within acceptable time For the following CAD representations conversion to VRML DATA is supported 1 CATIA native Version 3 x 4 1 7 2 Unigraphics Version 11 1 13 0 3 Auto CAD Version 13 0 4 STEP PART 203 5 IGES 4 0 depends on the CAD system 6 MINICAD Macintosh 7 LOGOCAD 14 APPENDIX 1 DIRECTORIES AND FILES Files in buildit main directory buildit exe The executable starting the BUILD IT system ETRC Resource file containing customer specific settings buildit key License information README General information Ivcamera dat lvicxppx dat Lvreg dat leutron ini Cmnres32 dll Dsy_ms32 dll lviog32 dll _vrps32 dll Prvph32 dll Data needed for Image analysis View dat Keeps a list of the objects directory and files for the above view Menu left dat Keeps a list of the objects directory and files for the left part of the menu Menu right dat Keeps a list of the objects directory and files for the right part of the menu GestureServerData dat Protocol of current user interaction Directories in buildit main directory i database Files in d
4. with snap position x y 2 in object x y z AZ AX AY Sx Sy SZ co ordinate system snapping orientation in degrees in m m m deg deg deg m m m object co ordinate system 0 360 _AZ size of Snapping box in meters size_x size_y size_Z where box is centred around snap position x y Z 0 76 0 44 0 50 30 0 0040403 po 0 44 0 76 0 50 60 0 0040403 be EEE Same as above another object objects mikron buildit_triax 3d Point _ _ SnappingPoints x y z AZ AX AY Sx Sy SZ m m m deg deg deg m m m 0 20 01000 0 0 0040403 S objects mikron b dit schere 3d nPoint EEE A __ SnappingPoints x y z AZ AX AY Sx Sy 52 m m m deg deg deg m m m 0 20 0 10 0 20 180 0 0040403 ee eee Information about snapping based on the above files StaticObject objects mikron karussell 3d 1234567891011 12 Mowing ject objectsvmirom bull objects mikron buildit_triax 3d StaticObject objects mikron karussell 3d 13 14 15 16 17 18 19 20 21 22 23 24 MovingObjec objects mikron buildit_schere 3d 1 M O OOOO Add 19 APPENDIX 4 ADDRESSES TellWare GmbH Am Oeschbrig 23 CH 8053 Zurich Switzerland Managing directors Martin Bichsel Phone 41 79 234 2462 Fax 41 1 632 1181 Email mb tellware com Also available at ETH Zurich Switzerland Phone 41 1 6322429 Email mbichsel ikb mavt ethz ch 20 REFE
5. AD data buildit DefaultObjPosition 200 Default position where new appear in the right menu NER buildit ShowSnapPoints Bool FALSE Display snapping box buildit EnablePrinting Bool FALSE Enable printing rows columns buildit TwinScreenGraphics Bool TRUE Twin screens supported N buildit MenuUpdateWaitTime 10000 Waiting time between each check for new CAD data buildit AutoFileUpdate Bool FALSE Automatic updating of View dat View dat Menu_left dat Menu_right dat Menu_right dat buildit SnapInfoFile objects SnapInfo dat File name of snap objects SnapInfo dat information video StdDevx 12 Video x standard deviation video StdDevY 1 Video y standard deviation NNNM deviation window System Debug Bool FALSE Run in debug modus ar mee change eT eem 1 change eem change change ConvertThread UseConvertThread bool FALSE MET variable do not p 16 OT change _ e 1 change posers OF GN change WindowSystem HighlightColor RGBColor J 20 255000 change WindowSystem WindowHighlightColor RGBColor V nci MN 20 168 168 168 0 change WindowSystem WindowBackgroundColor RGBCol m or 20 140 140 140 0 change ETT cM NN 200 200 200 0 change inan LN change mem e NN NNNM change inan GUN change _ m _ change _
6. RENCES Ackermann P 1996 Developing Object Oriented Multimedia Software Based on the MET Application Frame work Heidelberg dpunkt Verlag f r digitale Technologie 21 INDEX Conceptual terms direct object manipulation design tool Natural interaction Natural User Interface NUI tangible objects graspable objects computer mediated design virtual 3D objects Virtual Reality Modelling Language VRML Computer Aided Design CAD system designers Working with BUILD IT BUILD IT system working area view above view height view side view object menu method menu virtual machine store interaction handler projected image virtual object virtual plant plant layout object altitude camera current perspective predefined contact lines rotation fixing re selection removing modification of object size and height automatic snapping scrolling modification of the perspective saving of the working area contents printing of the views CAD terms 3D CAD system CAD data geometry complete geometry object data structure connection CAD BUILD IT Connection standard VRML interface list with all available objects planning session data compression reduced information flow 27 object complexity in the web high performance CAD systems polyhedron tangential parts of millimetres precision feedback volume and surface information suffix wrl initialisation 23
7. atabase direcotry AffineMapping dat Data needed for calibration AffinePairs dat Data needed for calibration CalibrationPar dat Results of calibration camera dat Camera specific data ii objects User defined directory containing objects Files that can be located in arbitrary directories specified by customer all object files wrl Source directory specified in ETRC all converted object files 3d Location specified in Menu left dat Menu right dat or View dat Snaplnfo dat Location specified in ETRC 15 APPENDIX 2 ETRC FILE GENERAL CONFIGURATION Table 2 ETRC file parameter name values significance and files concerned Parameter name and parameter value Significance Files concerned buildit SimulateRead Bool TRUE Read brick positions from GestureServerData dat file buildit SimulateWrite Bool TRUE Write brick positions to file GestureServerData dat buildit ShowVideolnput Bool FALSE Show video input in above view for camera adjustment BE during system installation buildit Calibrate Bool FALSE Do calibration AffineMapping dat CalibrationPar dat buildit ObjectDirectory objects optics Directory containing object wrl data original wrl files are 3d automatically converted to files Menu_right dat View dat buildit ObjectScaling 0 001 Scaling factor from CAD object data wrl to buildit data buildit ObjectRotation 90 90 0 Rotation factor from C
8. cessor board 1x 300 MHz Pentium processor Diamond Fire GL 3000 graphic card PICPORT STEREO Frame grabber from Leutron Vision GmbH 1 2 Beamers ASK 4 high resolution LCD projector 800 x 600 pix with serial cable remote control unit and positioning screw Second projector is optional visualisation box made by Tellware GmbH width x depth x height 55 x 50 x 160 cm with suspended mirror IR sensitive camera cable and objective Single user software licence BUILD IT USM Sch rer desk 2x2 meters pearl grey optional Made by Tellware GmbH Standard Standard 50 Watt Projection screen PSTP007 2 x 2 meters plus tripod optional 1 Brick Passive interaction handler made by Tellware GmbH In English colour print SYSTEM DESCRIPTION Figure 3 Planning takes place in the above view left and dynamically bound perspective is offered in the side view right The design room of Figure 3 enables users grouped around a table to interact in a space of virtual and real world objects The vertical working area in the background side view gives a perspective view of the plant In the horizontal working area there are several views above and height views menus where objects can be selected and manipulated Selection Fixing Positioning and Rotation Figure 4 The basic steps for user manipulations with the interaction handler brick The basic principle of BUILD IT is shown in Figure 4 Users select an obj
9. ction of virtual object in virtual object store menu The menu has a left and right part as shown in this figure Figure 15 Selection positioning and rotation of a machine in the virtual plant by moving the interaction handler to the preferred position in the plant layout ofthe above view Figure 16 Fixing the machine by manually covering the surface of the interaction handler and then removing it Figure 17 Removing an object by moving it back into one of the menus Figure 19 Scrolling in the height view Figure 20 Direct modification of object altitude in height view and visual feedback in side view right Modification of the perspective in the height and side views is achieved by camera manipulation in the above view There is at least one camera available in the above view but more can be activated from the menu Numerous cameras each representing distinct perspective can exist at a time The last one selected determines the current perspective BUILD IT Camera Scaling Save and Print RN ES EN rt T N E E 18 o 1 T 9 Figure 21 Camera scaling save and print are permanently offered functions They described more detail in the following figures Figure 22 Camera allows for side view perspective modification 11 Figure 23 Scaling applied an object in above view Fir
10. ect by putting the brick at the object positions The object can be positioned rotated and fixed by simple brick manipulation To allow two handed operation the system supports multi brick interaction A second effect of multi brick interaction is that several users can take part in a simultaneous design process The application is designed to support providers of assembly lines and plants in the early design pro cesses However it can easily be prepared to support a range of other applications such as interior architecture city and urban planning Graphical display is based on the class library MET Ackermann 1996 The system can read and render arbitrary virtual 3D objects These objects are sent from a CAD system to BUILD IT using Virtual Reality Modelling Language VRML The system has been engineered to send and receive numerous forms of meta data SYSTEM ASSEMBLY Figure 5 Put the computer and keyboard in the bottom of the rack Arrange rack table chairs and screen as shown here Figure 6 Position and cable one beamer at the top level of the rack This is called the side view beamer Adjust the vertical screw of the side view beamer Figure 7 Lead the mirror suspension and mirror into the rack N E Figure 8 Slide the second beamer into the rack from the front side of the rack left and cable it This is called the above view beamer Fix and cable the video and lamps Adjust the lateral positi
11. oner right of the above view beamer Turn on the system switch in the bottom of the rack Figure 9 Move the mirror suspension backwards or forewords left so that that the light field is centred on the mirror right Figure 10 It may be necessary to rotate the excentered horizontal rod situated up front in the rack Figure 11 Rotate mirror so that the image is only projected onto table Two wrong left centre positions one correct one right are show here BEAMER AND VIDEO ADJUSTMENT The beamers should be correctly set but they may need adjustment if they have been used for other purposes Direct remote control toward i the projector or ii the image of the projector you want to adjust A single remote control can be used with both beamers Frequency adjustment Use text as benchmark image Remote control Menu Track ball Lower white Track ball Left white Track ball Lower white Track ball Left white Einstellung Press All letters should be clearly visible and there should at most be one band which is not accurate This might be OK with the value 1692 Press for OK and one step up in menu hierarchy Einstellung Feinabgleich Press Do fine adjustment Press Remote control Press menu OK Position adjustment For the ABOVE VIEW beamer Remote control Track ball Lower white Track ball Remote control Menu Einstellung Po
12. sition Press As far up as possible approx 467 Adjusted left approx 335 Press menu OK For the SIDE VIEW beamer Remote control Menu Track ball Lower white Track ball Remote control Einstellung Position Press As far down as possible 0 Adjusted left approx 323 Press menu OK The video camera should not need any adjustments CALIBRATION Calibration is needed after system assembly or ii when real and virtual objects do not correspond fully Double click install bat You see the image processing window in your application The camera detects bricks as bright areas You normally need to adjust the camera fixation to the rack and to adjust it to give a sharp picture If the camera still does not see full view you might need to adjust buildit Video NumRow and buildit Video NumCol the file Appendix 2 To stop this operation click the X in the upper right window corner Figure 12 Place two bricks in image corners Now double click calibrate bat Figure 13 Calibration by putting brick at a reference section displayed in the corners of the above view You can now work with the system For all later system usage it is sufficient to start up as described in the proceeding chapter To stop the application click the X in the upper right window corner SYSTEM START UP USAGE AND SHUT DOWN To start the system double click buildit exe Figure 14 Sele
13. st select scaling function in menu then go to the object to be scaled Drawing away from the object makes it bigger along the axis x or y of movement smaller when approaching the object Figure 24 Save and Print of the views Printing only takes place if buildit EnablePrinting Bool of the ETRC file Appendix 2 has been set Figure 25 Multi brick interaction allows user to position two or more objects at a time Figure 26 Many persons can interact with multiple bricks at a time To stop the application click the X in the upper right window corner 13 INPUT OF 3D CAD 5 VRML DATA The BUILD IT system understands 3D CAD objects on the VRML format VRML data describe the complete geometry and visual characteristics of an object Data exchange between a 3D CAD system and BUILD IT is handled by the CAD connection VRML converter CAD connection VRML data VRML data geometric data coordinates list Figure 27 Data flow from the 3D CAD to the BUILD IT system The connection between a 3D CAD system and BUILD IT is called CAD connection and shown in Figure 27 CAD users are presented with a list of all available objects and can select the geometric data required for their specific planning session The selected geometric data is converted to VRML format and offered by the CAD system as wrl files Using CAD connection the selected geometric data is then

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