[Paraview] paraview and vtk

[Weiguang Guan]

Yes, there is a fairly large overlap. When you "make install" paraview its
own vtk will overwrite the separately built/installed vtk (if there is
one). And this might cause some vtk-based applications broken as these two
VTKs are "slightly" different versions and built with different cmake
options as Brad pointed out.

Weiguang
-- 
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Weiguang Guan, Research Engineer
RHPCS, McMaster University
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On Tue, 1 Mar 2005, don fisher wrote:

> Brad,
> 
> When a separate VTK is built and installed, do you know whether there 
> is an overlap of files in the lib and include directories? It appeared 
> that there might be (even though there was a VTK subdir in lib) but I 
> did not have time to verify all of the load times.
> 
> don
> 
> Brad King wrote:
> > Weiguang Guan wrote:
> > 
> >> I'm new to paraview. Just wonder why paraview keeps its own copy of 
> >> vtk.  If I download/install vtk, and want to link with the separately 
> >> installed vtk rather than the one that comes with paraview, is there a 
> >> switch in cmake (paraview's CMakeLists.txt) that allow me to do this?
> > 
> > 
> > ParaView used to support an external VTK but it requires VTK to be built 
> > with a specific set of options.  It also requires a matching version of 
> > VTK (down to the second in CVS time).  We had too many problems with 
> > users not having matching versios of VTK or building it with conflicting 
> > options or compilers.  The solution is to include VTK with ParaView to 
> > make it all do the right thing automatically.  It turns out that only a 
> > minimal part of VTK needs to be built and that ParaView's VTK wouldn't 
> > be that useful as a stand-alone VTK anyway.
> > 
> > -Brad
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> > 
> 
>