[vtkusers] Histogram

[shekharc]

Hi Aytekin,

That is the correct example. vtkImageAccumulate will calculate the 
histogram and use vtkXYPlotActor to display the actual histogram once 
calculated (pass accumulate class into it).

HTH
Cheers
Shakes

Aytekin Vargun wrote:
> Hi,
> I want to construct and display a histogram using VTK/C++ from some 
> numeric data in an XML file.
> 
> 
> I see that there is a test file called:
> ImageAccumulate.cxx 
> <http://public.kitware.com/cgi-bin/viewcvs.cgi/*checkout*/Imaging/Testing/Cxx/ImageAccumulate.cxx?root=VTK&content-type=text/plain>
> 
> but this program does not display any histograms. From what I read for 
> vtkImageAccumulate 
> <http://www.vtk.org/doc/nightly/html/classvtkImageAccumulate.html>
> class it should be possible to do this.
> 
> Can somebody help me to make necessary changes to make it more usable? 
> Or suggest any other way of getting histograms in VTK.
> 
> I appreciate your help.
> Aytekin
> 
> -- 
> My web page: http://www.cs.rpi.edu/~vargua
> 
> 
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