[vtkusers] Generating a 64 bit version of vtk...

Mathieu Malaterre mathieu.malaterre at kitware.com
Thu Jul 28 10:31:47 EDT 2005

C Heinzl wrote:
> Hi,
> I'm working in the area of an industrial CT, especially on exact geometry
> comparison. So precise data is essential but large data files over 2Gb aren't
> easy to handle. Decimating the data would introduce a measurement
> error which my partners don't want to have. Currently I use 32 bit in my
> testapp which is fine till 650 Mb but later on I should think about a
> solution for larger datasets. Therefore I'd like to have a 64 bit version of vtk.
> Does anybody have some experience with generating a 64 bit vtk? 
> A first idea is to replace all the longs by__int64. Would that work?


	How about simply turning: VTK_USE_64BIT_IDS ON ? Isn't it easier ;)
	BTW you may want to use VTK from CVS if you are planning to use 
vtkImageData, David Gobbi recently modify the internals to support 
larger image.


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