Hello esteemed CDR &CorelDESIGNER API Members, and thanks for such excellent programming, scripts and productive support.1) I hoped you might please advise how to use cdrTraceType cdrTraceLineDrawing which FAILS, only producing a single linear path instead of CENTERLINE trace?When using cdrTraceLineArt the same macros below WORK, producing vectorized OUTLINE paths from bitmap textures:(please feel free to forward this to anyone who may instruct remedy. Thanks for any help, Jeff)(2) Bitmap Trace via With(reference) to ActivePage Shapes:Sub TraceActivePage() Dim s As Shape, sr As ShapeRange, p As Page For Each p In ActiveDocument.Pages p.Activate Set sr = ActivePage.Shapes.FindShapes(, cdrBitmapShape) Set s = ActiveShape For Each s In sr With s.Bitmap.Trace(cdrTraceLineDrawing, 25, 100, cdrColorBlackAndWhite, cdrUniform, , True, True, True) .Finish End With Next s Next pEnd Sub(1) Bitmap Trace via Set(parameter) TraceSettings:Sub TraceSettings()Dim s As Shape, sr As ShapeRangeDim t As TraceSettingsFor Each s In ActivePage.FindShapes(, cdrBitmapShape) Set t = s.Bitmap.Trace(cdrTraceLineDrawing, 25, 100, cdrColorBlackAndWhite, cdrUniform, , True, True, True) t.Finish Next s Set t = Nothing Set s = NothingEnd Sub
Hello, already in the New Year.
Could you make a visual example of what is not working/what you would like to achieve? Because on my side running the scripts seems to work as needed, making center line traced outline objects...
Hi Joe, Happier New Year, really appreciate your reply and confirmation the scripts work on your system and CorelDRAW version.I assume you ran the scripts as is, or please let know of any changes?2) please confirm you substituted cdrTraceLineDrawing in place of cdrTraceLineArt in the scripts?, and did cdrTraceLineDrawing work?,3) please let know which version of CorelDRAW, and on what system your successfully running the cdrTraceLineDrawing script?, (i'm using Win7 &i tried to list complete system configs below, but the "Brand" names we're apparently flagged as advertisements)..Screenshot "1_.." is a frame 572 of project footage,screenshot 1a_, is Manual Bitmaps > Centerline trace > Line Drawing results,screenshot 1b_, is Manual centerline trace Curve results,screenshot 2_, is script 2), function TraceSettings used with working cdrTraceLineArt enumerator,screenshot 3_, is TraceSetting script Successful results bitmap tracing Outlines,screenshot 4_, is TraceSetting script Failure with cdrTraceLineDrawing, producing only linear path instead of bitmap tracing Centerlines.I plan to achieve a script that converts each CDR bitmap-Layer to a Centerline Trace, Line Drawing.Look forward to talk soon,thx again,Jeff
That's brilliance, thanks Joe. This helps Corel far more than a little and just me, since this flaw affects All VBA scripting with equivalent undocumented, catastrophic, byte value range conversions. Corel should be made aware and desperate to correct this oversight preventing clients effectively scripting\automating entirety of CorelDRAW\PHOTOPAINT. Look forward to running your latest macro, greatly appreciated!6) you suggested 'playing with threshold, is that same as Detail level, or is there an actual "Threshold" setting to edit?,7) in your Detail level .gif, centerlines were rendered starting at value:104, but then with No variation in detail at any further increased level. So macro settings edits seem again to have only partial effect\control over tracing renders compared to full control manually tracing?8) was ShapeToTrace.Bitmap.ConvertToBW cdrRenderLineArt, 100, 24 the b/w bitmap method you used to find the best settings?, if not please show which?9) attached screenshots 9-10.jpg show ArtCAM's ColorReduction then Create Centerline applied to "Disconnected open vectors"(=vertical centerlines), then successfully to "Closed vector loops"(=lateral centerlines) respectively. Can this or equivalent method be applied in CorelDRAW macro to prevent the Vertical centerlines in your sceenshot results of latest macro?..Corel owe's you big illuminating\resolving These issues alone, and since indispensable to scripting they don't support, you should obvously be on payroll.Look forward to next soonest,U da Man Joe,thx,Jeff
dancemanjc said:6) you suggested 'playing with threshold, is that same as Detail level, or is there an actual "Threshold" setting to edit?,
That is the exact name of the setting of that two color Bitmap conversion. But probably isn't important anymore, given the different approach below.
dancemanjc said:7) in your Detail level .gif, centerlines were rendered starting at value:104, but then with No variation in detail at any further increased level. So macro settings edits seem again to have only partial effect\control over tracing renders compared to full control manually tracing?
It is that function working incorrectly when used in a macro, yes. At least as far as I can tell. Nothing changes when changing the same settings that do something when using it through the user interface. So sounds like a bug to me.
dancemanjc said:8) was ShapeToTrace.Bitmap.ConvertToBW cdrRenderLineArt, 100, 24 the b/w bitmap method you used to find the best settings?, if not please show which?
Yes, that is exactly it. If you want to see how things work inside a macro you can run it step by step instead of the usual run command. Just place the cursor inside the macro text and press F8 on the keyboard to start. Then keep on pressing F8 to go through each line and see what it does. You can also just stop the macro to leave the results at that stage.
dancemanjc said:..Corel owe's you big illuminating\resolving These issues alone, and since indispensable to scripting they don't support, you should obvously be on payroll.
I wouldn't say so. There are some REALLY talented macro wizards here. Now they deserve some real praise. But it's been a little quiet here lately so I came to help to the best of my ability
dancemanjc said:Hopefully you've still a bit of time to script this additional algorithm into 'lines of needed functions achieved using a macro?,
Sub TraceActivePage() Dim S As Shape, sr As ShapeRange, p As Page For Each p In ActiveDocument.Pages p.Activate Set sr = ActivePage.Shapes.FindShapes(, cdrBitmapShape) Set S = ActiveShape For Each S In sr 'Bitmaps > Outline Trace > Line Art \ Colors(tab): Number of Colors=8, With S.Bitmap.Trace(cdrTraceClipart, 10 * 2.55, 45 * 2.55, cdrColorRGB, , 8, False, , False) .Finish End With 'The 25 at the end here makes sense if your canvas size is about 2000mm wide. 'If not you will have to adjust it so the bitmap isn't huge, but still has 'enough detail. I would just adjust the document and image to, say 1920x1080 mm. Set S = ActiveSelection.ConvertToBitmap(, , , , 25) 'Bitmaps > Centerline Trace > Line Drawing With S.Bitmap.Trace(cdrTraceLineDrawing, 80 * 2.55, 45 * 2.55, , , 2, False, , True) .Finish End With 'Remove the middle temporary image object S.Delete Next S Next p End Sub
I think that should do the things you mentioned in that list. The results are a little different from the example, but you can try changing the settings around to change the results a little.
Good luck, let me know how it goes.
..as promised here's results of Manual color-reduction\Merge as final scripting algorithm: 8 colors ordered 1 - 8 top to bottomscreenshot 11-12.jpg = Select palette colors 5+6(of 8), Merge(button)screenshot 13-14.jpg = Select palette colors 1+5(of 7), Mergescreenshot 15-16.jpg = Select palette colors 4+5(of 6), Mergescreenshot 17-18.jpg = "TraceEachPage" results rendering perimeter landscape centerlines only, No raptors\TRex centerlines i assume due to ConvertToBW the source image...Thanks again Joe,talk soon,Jeff
Hello again.
Did try using the latest code I posted above - the one that omits the b/w conversion?
Also, I tried and tried, but could not add specific colors using macro code. The parameters can only be changed once the tracing has taken place, but then it seems to be set in stone...
That may be something to ask in a separate topic (which I will most likely do). If there was a way to do that your main task should basically be achievable in a macro.
Morning Joe, i to found limited to no methods or properties for the Bitmaps > Outline Trace > Line Art \ Colors(tab):MERGE(button). Sofar found only MergeAdjacentObjects(on by default) &dissimilar from Merge, and cdrMergeColor RE:according to script editors "ctrl+j", it is substituted as cdrTraceType ie: s.Bitmap.Trace(cdrMergeColor, , , , ,)AND,.community.coreldraw.com/.../cdrmergemodecdrMergeMode enumerationSyntax:enum VGCore.cdrMergeMode : int;Members:Name Value Description*cdrMergeColor 14 Specifies Color modeVersion Information:CorelDRAW: X7.4, X7, X7.6, X8, 2017, 2018, 2019, 2019.2, 2020Corel PHOTO-PAINT: X7.4, X7, X7.6, X8, 2017, 2018, 2019, 2019.2, 2020Corel DESIGNER: X7, 2017.1, 20.1, 2019.2..but can find No full syntax or usage example macros online or in any docs.11) are you familiar with and could show use of cdrMergeColor if applicable?,..thanks for posting "Is there a way to change the colors when tracing something via code?", really hope there's a way to script the last step in this powerful process.Look forward to trying your new TraceActivePage.Thanks again for your enlightening diagnostics and instruction,Jeff