[vtk-developers] Anyone has a Qt/Class widget to modify vtk colormaps for volume rendering?

[Julien Finet]

On Wed, Jan 26, 2011 at 1:39 PM, Julien Finet <julien.finet at kitware.com>wrote:

> Hi Robert and Eric,
>
> Indeed, we have done some work in that direction for Slicer.
> We have some basic Qt widgets in CTK <http://www.commontk.org> but we are
> now working on using more of the VTK/Charts (see image enclosed).
> For a gallery of what exists in CTK:
> http://www.commontk.org/index.php/Documentation/ctkTransferFunctionWidget
>
> For VTK Charts, the best is to look at the tests in VTK/Charts/Testing/Cxx
> and the associated baseline images in VTKData.
> http://www.vtk.org/doc/nightly/html/classvtkScalarsToColorsItem.html
> http://www.vtk.org/doc/nightly/html/classvtkControlPointsItem.html
>
> Regards,
> Julien.
>
> ---------- Forwarded message ----------
>> From: Eric E. Monson <emonson at cs.duke.edu>
>> Date: Wed, Jan 26, 2011 at 12:55 PM
>> Subject: Re: [vtk-developers] Anyone has a Qt/Class widget to modify vtk
>> colormaps for volume rendering?
>> To: "Manzke, Robert" <robert.manzke at philips.com>
>> Cc: "vtk-developers at vtk.org" <vtk-developers at vtk.org>
>>
>>
>> Hey Robert,
>>
>> 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:
>>
>> http://www.vtk.org/doc/nightly/html/classvtkColorTransferFunction.html
>> http://www.vtk.org/doc/nightly/html/classvtkPiecewiseFunction.html
>>
>> 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...
>>
>> http://www.slicer.org/
>>
>> Hope this at least gets you started on pursuing another possibility,
>> -Eric
>>
>>  ------------------------------------------------------
>> Eric E Monson
>> Duke Visualization Technology Group
>>
>>
>> On Jan 26, 2011, at 11:17 AM, Manzke, Robert wrote:
>>
>>  Anyone has a link to a Qt/Class widget to modify vtk colormaps for
>> volume rendering?
>>
>> I have been checking out the code of Paraview, but the color map editor is
>> pretty sophisticated.
>>
>> Thanks a lot,
>> Robert
>>
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