Viewer for Illustrator User Manual - Product Documentation
Contents
1. 16 aseo RN TETTE 17 5 VIOWer at zi i 0 mE 18 6 Viewer Compare TOOL E arisen 19 6 1 The Viewer Compare windoOW sss enne nen nennen enne rennen 19 6 2 Navigating the Viewer Compare windoOwW sssseee eene nennen 20 0S m O79 94 0121 MODES osuere nee eina erent Reenter Un IMMUNE AB UM MEUM ere UIN UM UU 21 Fhe PIN TAM sce nal erage om mmm 22 64 1 Algi trom MN EY EE Emm 22 6 4 2 Auto Align from ais NT m T ere eee 23 ORC mio m 24 6 5 Viewer Compare Preferences sss esee ner 24 Te MK OONA GE aaan A PIENE TDI VENDU NOUIS ee 25 Viewer for Illustrator 1 Welcome to Viewer Benefits of using Viewer Viewer is a very accurate separation viewer with a lot of extra production tools It eliminates the need for separated proofs and will help you to avoid bad plate making You can preview the separations of your document as they would be produced by exporting the document using Launch Workflow and rasterizing it on an Esko FlexRip Note Separations shown in Viewer may differ from the final output when an alternative workflow is used Basic concepts Viewer works with Press Settings The Press Settings allow you to define press specific characteristics such as the first printable dot dot gain dot gain curves and more After defining your Press Settings you can generate an accurat2. 1 Select it in the Press Settings dialog Viewer for Illustrator 2 Click the Modify button 3 Change its parameters as you wish see The Press Settings in Detail 4 Click OK 2 0 Deleting a Press setting To delete a Press Setting 1 Select it in the Press Settings dialog 2 Click the Delete button 3 Confirm that you want to delete it 2 6 Choosing a Press setting e To select a Press Setting selecting it in the Press dropdown in the Viewer dialog 2 he Press Settings in Detail First Dot 95 opecifies which minimal gray value expressed in 96 in the file still will yield a dot on the plate provided the RIP and platemaking occur under normal conditions Note Normal conditions indicate that the DGC must have been set up completely The value does not correspond with any measurement that has been made prior or during DGC set up nor does it correspond with any densitometer measurement on plate or on print In fact this value is implicitly chosen by the person who set up the DGC and plate making Typical values range from 0 496 to 1 6 Adobe Illustrator uses 8 bit precision yielding 256 different possible gray values A single gray value in an image may make the difference between a dot or no dot on a flexo plate To allow for this precision Viewer use percentages with one decimal digit 8 bit gray value in Illustrator Percentage 0 0 0 1 0 4 2 0 8 3 1 2 254 99 6 255 100 ESKO NEN
3. Note If you do not specify a first dot you will not be able to use the following Viewer view modes for this press setting e The Flexo Plate Preview e The Flexo Print Preview Dot Gain in Highlights When you have specified a First Dot job percentage you can also specify how dark it should actually print Enable Dot Gain In Highlights and specify the dot gain parameters e First Dot Prints As indicates the dot gain for the first dot Typical values range from 596 to 1596 depending on the substrate The value is a job percentage that will print on an ideal reference press as dark as the first dot prints on this press e Range while the previous value measured the amount of dot gain in the highlights this value expresses how far this effect penetrates into the midtones Typically plate making is configured in such a way that the mid tones print like an offset press Note If you do not specify Dot Gain In Highlights you will not be able to use the following Viewer viewing mode Flexo Print Preview Limited Total Area Coverage The Total Area Coverage is the sum of percentages of the different channels on the same location A higher total area coverage means more of the various inks is printed on top of each other If you want you can specify the Maximum Total Area Coverage to specify the maximum amount of ink that the substrate can take on the same spot on your press Note Exceeding the Maximum Total Area Coverage for t
4. a E S K O x Viewer for Illustrator Contents Te WEICOmMe TO VIW ceni ee en eo eee eee ee eee ee eee eee eee ere 3 2 De nne PRESS SENINGS ciated entongrain A PMP TE UM MOI ati oat a DN MM E 4 2 The Default Press GEHN Sourne iraa N no AS mca sede A RU per Rr RERUM ME REo HEAR IN I Fasc dia AE E uH RN 4 2 2 Creating a Press Sellirig ue ctt tatc agri RUM eda i iian pU a 4 2 3 CODVING a Press Seting MEE M 4 2 4 Editing a Press Setting sese eene nennen nnne niii tenian n rna 4 2 5 Deleting a Press Setting sse nnne niea nitet iiia inni ia tainen 5 210 CHOOSING A Press SS LUN MET T o cotinine ae 5 2 Tne Press SSNS m MD SUM ERE m 5 om Generate iie PIETEN ooa nec ene ne Ma uae ere A rennet EMEN TU SN MS 7 93 1 NAVIGATING In the PEeVIGW ccxestsi trs Rite eta ana as ple iab sr A RES Rd T A The Viewer WINGOW 9 CW 86S 1116 9 cee eee ree ee m O E E EE E E A E 9 4 1 1 Separation visibility nen nennen nere 9 4 1 2 Measure Ink Densill amp s senes tee teta A T as usable iat NE tena CN 9 A Meg IV ASS TOO A mmm 10 A E Rec Ha WP m m MU 11 2 2 SD ON a ee eee ee ee ee 11 4 3 Total Area Coverage sss mener nennen rne 12 AA TAN MV chat c ddan dees 13 4 5 Flexo ug d scarcer tennessee sos ao pene ase oe ee gostei vac HMNENE 14 46 Registration TB aa eee NRTPTT 15 AT BEAK OU
5. e Channel Matching to match corresponding channels inks for the two documents e View Both side by side shows both versions next to each other You can choose between e Automatic tiling e Horizontal tiling e Vertical tiling e View both mirror reference shows the current document on top of the mirrored reference document 6 4 Alignment Comparing files with different sizes may seem like a challenge as they are not aligned in the Viewer Compare window but it provides some tools that make it very easy Alignment IT Offset X v 0 0 0 0 mm e Alignment e onone of 9 corner center points e Align From Ruler see Align from Ruler e Auto Align From Ruler see Auto Align from Ruler e Auto Align see Auto Align e Auto Align see Auto Align e Use trim box for alignment e Offset Horizontal and Vertical 6 4 1 Align from Ruler 2 The ruler tool works by defining two points one in each file that have to be aligned 1 Select the reference version of the file by clicking the icon 2 3 Indicate the ruler anchor point Select the Ruler tool Viewer for Illustrator ES owitch to the other version by clicking the icon or use Ctrl S The anchor point here in the red circle will be in a different location in the second file version 5 Indicate the point that should be positioned on the ruler anchor point here in the blue circle Click the Alignment button and select Align From Ruler The files are now al
6. use the First dot and the Dot gain in highlights settings from the Press Settings See Define Press Settings Going from light to dark e The Print Preview layer will display percentages below the First visible dot percentage as 0 e The First visible dot percentage will be shown using the First Dot Prints as percentage e Percentages above the First visible dot percentage will be shown darker e Towards the midtones this darkening effect will fade out until the Range value e Percentages above than the Range value are displayed unchanged 4 6 Registration Error The Registration Error Preview is a simulation of a design printed with registration errors of a specific press defined in the Press Settings see Define Press Settings It can be very helpful to see if trapping is applied sufficiently and correctly The Registration Error value is taken from the Press Setting you selected The separations are randomly shifted In fact all separations are moved exactly the distance of the Registration Error but all under a random angle If you want to see another random registration error simulation click the Simulate Again button 15 4 Viewer for Illustrator In the example above you can see a small area of a job in regular preview left and with registration errors right In this case you can clearly see no trapping was applied so white lines appear at the registration shifts 4 f Breakout 16 A Breakout is an are
7. window The Viewer Compare window contains different ways to navigate The Inspect tools e he Zoom tool Under the zoom tool you find e Zoom out e Fit document in view e Fit document width height e Zoom to 1 1 view e Show Zoom Options showing all these options as individual buttons e The Zoom out tool 20 Viewer for Illustrator ES e The Pan tool The Navigator By dragging the red rectangle when zoomed in you can navigate through the job The View options The View options allow to go back to the previous view or use additional settings such as rotate invert or mirror the view 6 3 Compare modes Using the Compare butons you can choose different Compare modes views Compare m m e m ih e View Current version only e View Reference version only e View Both documents on top of each other Additional options 21 ES E S K O x Viewer for Illustrator e View Both in their original colors e View Both Show difference the differences will be shown in the Added and Substracted highlight colors e View Both highlight difference same as above but the identical parts are dimmed e View Both only difference same as above but the identical parts are hidden e Change Added Highlight Color Change Substracted Highlight Color and Change Both Highlight Color to change the colors in which differences are shown e Reset Difference Highlight Colors to reset the default colors
8. Measure tool helps you to measure the e Horizontal and vertical distance from the Adobe Illustrator axis zero point e Horizontal and vertical distance between first and second point e The total distance and the angle between first and second point To use the Measure Tool Click the Measure tool on the Viewer pallet 2 Click the first point and then click or drag to the second point on the Preview 1 The following details are displayed on the right hand side e X X axis e Y y axis e D Distance between the first and second point e W Width e H Height e A Angle X 47 7099 mm W 96 625 mm Y 125 8B4 mm H 67 4431 mm O 117 834 mm A 34 9 degr Viewer for Illustrator 4 1 4 Scale Ink Densities When viewing a document containing very dark overprinting areas e g traps into dark colors it is sometimes difficult to examine the color composition of such areas in Viewer Therefore the Separations view mode offers a slider control to temporarily dim reduce the density of one or more selected separations For example setting the density value to 50 will reduce the actual density values of the selected separations by 50 when computing the composite RGB view e Select the ink s you want to dim in the ink list and use the Density slider or the edit field to scale down the density of the selected separations 4 2 separations The first viewing mode shows a list of used inks Mode re e En By def
9. a where the percentage of a single separation is lower than the First Visible Dot value This can be used to track areas that won t show up on print because the values are too low Your printer should provide you with the First visible Dot value The First visible dot is set in the Press Settings see Define Press Settings When switching to Breakout mode the preview will be dimmed and all areas where a single separation has a value lower than the First Visible Dot value but higher than 0 will be displayed in highlight color You can measure the actual percentages in that specific area using the densitometer see Measure Ink Densities Viewer for Illustrator 4 8 Moire Detection Moire Detection allows to detect possible screening problems Moire in the file You can set the options to highlight overlapping areas to detect situations in which Moire might occur e when the two overlapping areas have screening angles that do not differ 30 degrees e when the two overlapping areas have the same angle e when the two overlapping areas have different rulings e when the two overlapping areas have different dot shapes You can use the Ignore inks option to ignore inks that have e a density lower than a certain value e adensity higher than a certain value e aluminance higher than a certain value as in all those cases the Moire patterning will hardly be visible All these Moire Detection options are stored in the Press Settin
10. ault a separation is displayed in color In order to see a separation as it would appear on film you can switch to Show as Film Positive By switching to Show as Film Negative the visible separation will be shown in negative Note As both Show as Film Positive and Show as Film Negative are only useful on a single separation the Mode radio buttons are disabled if more than one separation is shown Highlight Transparency This will highlight all objects that have an opacity percentage a blend mode or an opacity mask regardless of what is underneath Overprint Highlight Overprint will highlight the areas where an overprint setting in the paint style takes effect Screening Conflict The Screening Conflict checkbox highlights areas where a screening conflict can occur They can occur if an object with transparency opacity mask opacity percentage or blend mode is overlapping on an object with another screening The PDF definition clearly states that screening is always taken from the topmost object even if that object is completely transparent in some areas In most cases this is not what you would expect In the example underneath you can see a cyan rectangle and a circle on top with an opacity mask The objects have a different screening Where the circle is on top of the cyan rectangle the cyan will take the screening of the blended circle Therefore as shown on the right these areas will be highlighted as S
11. creen Conflict Viewer for Illustrator Color When you enable a Highlight option the objects are highlighted in the color you chose in the Color Picker 4 3 Total Area Coverage i The Total Area Coverage TAC is the sum of all separation densities at a certain point in your document TAC Limit The TAC Limit is the maximal Total Area Coverage that your document may contain This value depends on the press and the substrate your design will be printed on Your printer should provide you with the TAC Limit value to use Defining the TAC Limit The TAC limit is defined in the Press settings See Define Press Settings By default the TAC Limit is set to 270 Viewing areas over the TAC Limit When you switch to the Total Area Coverage preview the image in the preview pane will be dimmed and all areas where the sum of the densities is higher than the TAC limit specified in the current Press Setting will be displayed in 100 black Viewer for Illustrator 7 L B I Wi ENEREY DRINH Note You can Alt Control click Windows or Alt Command click Mac the black pixels to use the densitometer tool and to measure the actual TAC amount in that specific area See Measure Ink Densities To quickly see the maximum TAC in your document use the TAC Limit slider Move the slider to the right to use a TAC Limit value higher than that used by your current Press Setting The more you
12. e separation preview In this preview you have access to advanced tools such as the Densitometer TAC Limit Preview Plate Preview Print Preview and Registration Error Preview ESKO NEN 2 Define Press Settings Before you can start working with Viewer in a meaningful way you should define your Press Settings Without basic information on the properties of the press you are using Viewer cannot simulate accurately 2 1 The Default Press Settings If no Press Settings Folder is defined in the Viewer Preferences a fixed setting will be used and you will not be able to change or create Press Settings See Viewer Preferences In the list of Press Settings there is always one Press Setting called Default which you can edit but not delete You can select it by selecting it in the Press dropdown in the Viewer dialog and edit it using Press Settings in the fly out menu 2 2 Creating a Press Setting To create a Press Setting in Viewer Select Press Settings in the fly out menu Click New in the Press Settings dialog Enter the name of the new press setting in the New dialog Click OK A O N 2 3 Copying a Press Setting To copy duplicate a Press Setting Select it in the Press Settings dialog Click the Copy button Give it a new Name Change its parameters as you wish see The Press Settings in Detail Click OK c1 N 2 4 Editing a Press Setting To edit a Press Setting
13. f your Viewer palette At the bottom of the palette you will find eso oT q 2 1 a zoom in and zoom out button and a dropdown menu with several zoom percentages and two extra zoom factors fit artboard and fit graphics 2 azoom link button When in link mode the Viewer window will reflect what your Adobe Illustrator Document window does 3 a Densitometer see Measure Ink Densities Measure tool see Measure Tool and Zoom tool see below Zoom in zoom out To zoom in the preview pane of the Viewer palette select the zoom tool and just click and the view will zoom in using the clicked point as center point To zoom out click while holding the ALT key pressed and the view will zoom out using the clicked point as center point You can also drag a rectangle to zoom in and the new viewport will be a closest match to the rectangle you dragged To pan the view hold down the spacebar and drag a line in the preview pane The view will move the direction and the length of the line you drag ESKO NEN Note You can minimalize the user interface by selecting Hide options from the dropdown menu Show Options Hide Trapping Layer s v Merge Similar Inks Show All Separations Press Settings Viewer for Illustrator 4 he Viewer window 4 1 Viewing options Options particular to certain Viewer previews are grouped under View Options You can expand or collapse them using the triangle beside View O
14. gs See Define Press Settings 1f ESKO NEN 5 Viewer Preferences 18 Open the Viewer Preferences dialog by choosing Preferences Esko Viewer Preferences to set one or more of the following options Image Display Quality Allows you to selected the preferred quality for displaying the contone images present in a document Following options can be selected e Low A low resolution preview image lt 72dpi will be used if present When such preview image is not available a gray box will be displayed e High A preview image of at least 150dpi will be used When such preview image is not available a gray box will be displayed This is the default option e Very High If sufficient memory is available the real data not subsampled of the image will be displayed When the image is too large to fit into memory typically if the size is larger than 64MB a high resolution display image will be shown Anti Aliasing This preference offers control over the Anti Aliasing method used to prevent display artifacts like rough blocky edges in rendered artwork Following settings are available e Off Do not perform any anti aliasing default value fastest e Low Some anti aliasing slower e High Highly accuracte anti aliasing slowest Note Setting Anti Aliasing to High will result in high quality preview at the expense of significantly slower rendering viewing speed up to ten times slower than when A
15. he press may cause drying problems unexpected color results and other problems Registration Error Specifies the average maximum Registration Error on your press If you enable this option in the Press Settings you can use the Registration Errors preview in Viewer to check whether your trapping is sufficient to compensate for possible registration errors on the press Moire Settings In the Moir Detection settings of the Press Settings you can define the default values for the settings in the Moir Detection window For more info on the different settings see Moire Detection Viewer for Illustrator 3 Generate the Preview Before you can use Viewer you have to generate a preview of the current document based on your specific Press Settings After you make changes to the document you need to update the preview This is reflected in the Viewer palette the Generate button changes to the Update button e Click the Generate or Update button to render a Viewer preview on your computer The preview is displayed in the Viewer palette once the rendering finishes You can also use the shortcuts e Command option V Mac or Control option V Windows to open the Viewer window e Command option shift V Mac or Control option shift V Windows to generate update the Viewer preview 3 1 Navigating in the Preview The Viewer window shows the preview of your document in the left pane and the list of used inks in the right pane o
16. igned Note Depending on how precisely you defined the second ruler point you may have to zoom in and repeat the alignment procedure to align your files with more precision 6 4 2 Auto Align from Ruler Auto Align from Ruler is used the same way as the Align from Ruler tool but is more accurate at high resolution 23 ES E S K O x Viewer for Illustrator If the details of the alignment points match the viewer will be able to increase the alignment precision and have a good alignment with fewer iterations 6 4 3 Auto Align Auto Align does not use the ruler but rather the currently visible view of the two compared images to attempt an automatic alignment For convenience a separate tool button is available to perform an Auto Align operation without having to open the Alignment pop up menu Clicking this button will perform an Auto Align from Ruler if a ruler selection is active otherwise an Auto Align from view 6 5 Viewer Compare Preferences 24 You can open the Compare Preferences by choosing Illustrator gt Preferences gt Esko gt Viewer Compare Preferences on Mac OS or Edit gt Preferences gt Esko gt Viewer Compare Preferences on Windows You can define the resolution for the Viewer Compare previews either based on the document size or at a fixed resolution Based on Document Size will result in a low resolution for big documents so e g aligning will become more difficult when zooming in On the othe
17. move the slider to the right the less pixels will typically be over the TAC Limit 4 4 Flexo Plate If you change the Viewer Preview mode to Flexo Plate a single separation by default the first in the list will be shown as a simulated flexo plate Note In this Preview mode only one separation can be viewed at a time Note Viewer uses the same technology as the Esko Flexo Tools for Photoshop 19 Viewer for llluustrator ENERGY RINK F First Visible Dot The Flexo Plate preview will use the First Visible Dot percentage from the press settings see Define Press Settings Pixels with a percentage lower than the First Visible Dot percentage will be shown as areas without dots Pixels with a percentage equal or higher than the First Visible Dot percentage will be shown as areas with dots Plate Color This preview predicts how clean your flexo plates will be Especially in very light or very dark areas you could end up with isolated dots or holes on the flexo plate and those areas are difficult to hold on the plate or the substrate You can choose the plate color Cyrel Red Blue Green or Safran Yellow or a High Contrast Blue amp White to match the type of plate you are using 4 5 Hlexo Print This Viewer preview mode shows the effect of highlight dot gain on the image Viewer for Illustrator This effect is equivalent to a curve adjustment To determine this curve the Flexo Print Preview will
18. nti Aliasing is turned off It is advised to only use the High setting on fast workstations Macintosh with a 1 8 Ghz G5 processor or higher Densitometer Mode This option lets you select the preferred resolution of the densitometer Following options are offered e Exact Ink densities will be measured with an accuracy resolution of 1 255 percent This corresponds to the 8 bits per pixel accuracy typically used by a Rip for outputting unscreened separations In other words what is measured will correspond exactly to the digital output of the Rip e Rounded Ink densities will be measured and presented with an accuracy of 1 Densities with a non integral e g 33 2 value will be rounded to the nearest integral value e g 33 lf Densitometer Mode is set to Rounded the values shown in the Ink Coverage palette will also be rounded Press Settings Folder allows to define the folder from which the Press Settings should be loaded If no Press Settings Folder is defined you will not be able to change or create Press Settings Viewer for Illustrator 6 Viewer Compare loo You can use the Viewer Compare tool to compare the active document with another document To compare the active job 1 Goto Window gt Esko gt Viewer gt Compare The Compare dialog opens and the name for the Current Document is shown Compare Documents to Compare Current Document file2 ai Compare To filel ai B
19. ptions The following options are available in all Previews 4 1 1 Separation visibility In the Ink list you can e Click the eye icon in front of a separation color name to show or hide it e Alt click an eye button to quickly hide all other separations and go in single separation mode Alt click the same eye button again to show all separations 4 1 2 Measure Ink Densities e To use the Densitometer select Separations from the Viewer preview list and click in the Viewer preview window while holding down the ALT and CONTROL key Windows or ALT and Command key Mac The densitometer will correctly measure through linework and images even placed DCS2 multichannel images that normally cannot be measured in Adobe Illustrator Viewer is compatible with Xinet fullpress and Helios OPI systems and is able to show the high resolution images stored on the OPI server The densities are shown to the right of each separation The total density of all inks on the point that is being measured the TAC value is shown at the bottom of the separation list Viewer for Illustrator Process Cyan 75 19 Process Magenta 100 0 Process Yellow 94 95 Process Black 0 0 B Pantone 485 c 0 0 Pantone 116 100 0 CECCI 5 371 0 A Note When the TAC value exceeds the TAC limit specified in the currently selected press settings a warning icon will be displayed next to the TAC value 4 1 3 Measure Tool 10
20. r hand a Fixed Resolution can result in a very heavy preview calculation if the fixed resolution is high and the document is large You can define if anti aliasing should be applied Viewer for Illustrator 7 Iak Coverage With Ink Coverage you can calculate the ink usage for every ink 1 Click Window gt Esko gt Viewer gt Ink Coverage to open the Ink Coverage dialog Ink Coverage Scan Current Artboard H 9 Process Cyan 23340 7 mm ISl Process Magenta 22147 0 mm _ Process Yellow 39037 3 mm B Process Black 8859 2 mm B PANTONE 300 C 0 0 mm lll PANTONE 7546 C 77383 0 mm PANTONE 583 C 147468 4 mm E n Close Mg 2 In the dropdown select the area you want to scan By default Ink Coverage is calculated on the Current Artboard 3 Click Calculate For every separation the size in square mm or square inch and percentage of the total surface is shown Note By setting the Densitometer Mode to Rounded in the Viewer preferences the values in the Ink Coverage palette will be rounded off 4 Click Save as XML to save the result of the Ink Coverage calculation into an XML file 5 Click Close to close the Ink Coverage dialog 25
21. rowse Compare What Entire Document 2 Select the file you want to compare the active document to e f you want to compare it to an open document select its file name from the dropdown list e f you want to compare it to a document on disk click the browse button and select the file 3 Define what to compare e all artwork e the current Artboard e only Trim Box or Media Box if they are defined e only the selected area 4 Click OK A Viewer Compare window will open showing a comparison between the two jobs Note If you have a Trim Box defined in the Illustrator job the Viewer Compare tool will only show what s inside the trim box 6 1 he Viewer Compare window The Viewer Compare window shows the two jobs and their differences and contains a number of tools and buttons to inspect these differences in various ways Move over a button with the cursor and the tooltip will indicate what it stands for Buttons with a triangle in the lower right corner contain additional options Control click Windows or Command click Mac the button or click and hold the button to see the extra options 19 Viewer for Illustrator PowerTrapper_bolognaise_job 0 Say ah 7 PowerTrapper_bolognaise_job 2 0 Alignment ri offset x v 0 0 o o mm Difference Threshold 0 0 x ES A sf s Au zu Is En 367 imc e E n i A i m c B 207 450 0 x 450 0 mm O 2 Navigating the Viewer Compare
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