<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:rtc="http://microsoft.com/officenet/conferencing" xmlns:D="DAV:" xmlns:Repl="http://schemas.microsoft.com/repl/" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ppda="http://www.passport.com/NameSpace.xsd" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:wf="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:dsss="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:dssi="http://schemas.microsoft.com/office/2006/digsig" xmlns:mdssi="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:mver="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns:mrels="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:spwp="http://microsoft.com/sharepoint/webpartpages" xmlns:ex12t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ex12m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:pptsl="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:spsl="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:Z="urn:schemas-microsoft-com:" xmlns:st="" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I made a 2D transfer function editor for use in paraview using Qt, and derived from the one used in the point sprite plugin (which originally I ripped off from visit). It works very well, but in order to use it, I had to write my own mappers (again, trust me I’m fed up with it). Sadly, the dataRepresentation stuff was recently overhauled in paraview and my custom renderer plugins are broken and I’ve been too busy on other stuff to fix them, so I can’t send a snapshot. If I get it working soon, I’ll post a pic somewhere and perhaps you can see if it’s any use.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>JB<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> vtk-developers-bounces@vtk.org [mailto:vtk-developers-bounces@vtk.org] <b>On Behalf Of </b>Manzke, Robert<br><b>Sent:</b> 27 January 2011 15:58<br><b>To:</b> Julien Finet; Eric E. Monson<br><b>Cc:</b> vtk-developers@vtk.org<br><b>Subject:</b> Re: [vtk-developers] Anyone has a Qt/Class widget to modify vtkcolormaps for volume rendering?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks all for the pointers! I am checking out CTK now, very cool!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Robert<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Julien Finet [mailto:julien.finet@kitware.com] <br><b>Sent:</b> Wednesday, January 26, 2011 1:48 PM<br><b>To:</b> Manzke, Robert; Eric E. Monson<br><b>Cc:</b> vtk-developers@vtk.org<br><b>Subject:</b> Re: [vtk-developers] Anyone has a Qt/Class widget to modify vtkcolormaps for volume rendering?<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>On Wed, Jan 26, 2011 at 1:39 PM, Julien Finet <<a href="mailto:julien.finet@kitware.com">julien.finet@kitware.com</a>> wrote:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Hi Robert and Eric,<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Indeed, we have done some work in that direction for Slicer.<br>We have some basic Qt widgets in <a href="http://www.commontk.org" target="_blank">CTK</a> but we are now working on using more of the VTK/Charts (see image enclosed).<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>For a gallery of what exists in CTK: <a href="http://www.commontk.org/index.php/Documentation/ctkTransferFunctionWidget" target="_blank">http://www.commontk.org/index.php/Documentation/ctkTransferFunctionWidget</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>For VTK Charts, the best is to look at the tests in VTK/Charts/Testing/Cxx and the associated baseline images in VTKData.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><a href="http://www.vtk.org/doc/nightly/html/classvtkScalarsToColorsItem.html" target="_blank">http://www.vtk.org/doc/nightly/html/classvtkScalarsToColorsItem.html</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><a href="http://www.vtk.org/doc/nightly/html/classvtkControlPointsItem.html" target="_blank">http://www.vtk.org/doc/nightly/html/classvtkControlPointsItem.html</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Julien.<o:p></o:p></span></p></div><div><div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>---------- Forwarded message ----------<br>From: <b>Eric E. Monson</b> <<a href="mailto:emonson@cs.duke.edu" target="_blank">emonson@cs.duke.edu</a>><br>Date: Wed, Jan 26, 2011 at 12:55 PM<br>Subject: Re: [vtk-developers] Anyone has a Qt/Class widget to modify vtk colormaps for volume rendering?<br>To: "Manzke, Robert" <<a href="mailto:robert.manzke@philips.com" target="_blank">robert.manzke@philips.com</a>><br>Cc: "<a href="mailto:vtk-developers@vtk.org" target="_blank">vtk-developers@vtk.org</a>" <<a href="mailto:vtk-developers@vtk.org" target="_blank">vtk-developers@vtk.org</a>><o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>Hey Robert,<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Hopefully someone more knowledgeable about the current status will reply, too (Marcus, Julien...), but I know there has been some recent work (not in 5.6, but current development and next release) on editing color transfer functions with the 2D API elements in VTK/Charts. I'm sorry I can't guide you to the right examples, but vtkColorTransferFunction and vtkPiecewiseFunction are part of this effort, and I see there are both tests and examples linked from the Doxygen pages that may get you someplace:<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><a href="http://www.vtk.org/doc/nightly/html/classvtkColorTransferFunction.html" target="_blank">http://www.vtk.org/doc/nightly/html/classvtkColorTransferFunction.html</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><a href="http://www.vtk.org/doc/nightly/html/classvtkPiecewiseFunction.html" target="_blank">http://www.vtk.org/doc/nightly/html/classvtkPiecewiseFunction.html</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>These were developed for the 3DSlicer application, which is also an open-source project. I've never looked at the code, but it's at least possible that it may be easier to grab something from there rather than ParaView...<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><a href="http://www.slicer.org/" target="_blank">http://www.slicer.org/</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Hope this at least gets you started on pursuing another possibility,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>-Eric<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>------------------------------------------------------<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>Eric E Monson<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>Duke Visualization Technology Group<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div><div><div><div><p class=MsoNormal><span lang=EN-US>On Jan 26, 2011, at 11:17 AM, Manzke, Robert wrote:<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><div><div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Anyone has a link to a Qt/Class widget to modify vtk colormaps for volume rendering?<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I have been checking out the code of Paraview, but the color map editor is pretty sophisticated.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Thanks a lot,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Robert<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span lang=EN-US style='font-size:7.5pt;font-family:"Arial","sans-serif";color:gray'>The information contained in this message may be confidential and legally protected under applicable law. 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