[vtkusers] Please Help about decimate.tcl and polydata

[Régis BLANCHON]

Hi everybody,

I'm a new vtk user. I would like to visualize an
unstructured grid data in a Tk window like Decimate.tcl

I have added in the file Decimate.tcl :
vtkUnstructuredGridReader reader
and I have deleted
vtkPolyDataReader reader

but I have those errors :

Wish82 a provoqué une erreur dans VTKDLL.DLL
Wish82 a provoqué une erreur dans TCL82.DLL

It's in french, it means there is an error with the files
VTKDLL.DLL and TCL82.DLL when I try to open one .vtk file.

This error occurs because of the line : 
PolyData CopyStructure [$filter GetOutput]
but I don't know why.
This line is in the function UpdateUndo : 

proc UpdateUndo {filter} {
 global CurrentFilter

 set CurrentFilter $filter
 $filter Update

 PreviousPolyData CopyStructure PolyData
 [PreviousPolyData GetPointData] PassData [PolyData 
GetPointData]
 PreviousPolyData Modified

 PolyData CopyStructure [$filter GetOutput]
 #ERROR IN VTKTCL.DLL and TCL82.DLL
 [PolyData GetPointData] PassData [[$filter GetOutput] 
GetPointData]
 PolyData Modified

 ReleaseData
}
Do I have to use the class 
vtkUnstructuredGridToPolyDataFilter which is an abstract 
filter class whose subclasses take as input datasets of 
type vtkUnstructuredGrid and generate polygonal data on 
output. 

I have installed Tcl/Tk 8.2.3 and I have tcl82.dll 
somewhere on my system and I have installed vtk and 
vtkdll.dll exists on your system.

If you could help me, it would be wonderfull for me.

Régis BLANCHON

PS : Will : I don't know what is TCLLIBPATH and how to find 
it.

> -------Message d'origine-------
> De : Will Schroeder <will.schroeder at kitware.com>
> Date : 09/05/2002 15:29:10
> 
> Make sure that you have installed Tcl/Tk 8.2.3 and you 
have tcl82.dll 
> somewhere on your system. Also make sure that you have 
installed vtk and 
> vtkdll.dll exists on your system.
> 
> If so, try setting the environment variable TCLLIBPATH to 
point to the 
> location of tcl82.dll. Also set the PATH environment 
variable (which should 
> already exist) to point to the location of vtkdll.dll.
> 
> In the future address your questions to the vtk users 
list 
> http://public.kitware.com/mailman/listinfo/vtkusers.
> 
> Will
> 
> At 01:32 PM 5/9/2002 +0000, Régis BLANCHON wrote:
> >Hi Will,
> >
> >I'm a new vtk user. I would like to visualize an
> >unstructured grid data in a Tk window like Decimate.tcl
> >
> >I have added in the file Decimate.tcl :
> >vtkUnstructuredGridReader reader
> >and I have deleted
> >vtkPolyDataReader reader
> >
> >but I have those errors :
> >
> >Wish82 a provoqué une erreur dans VTKDLL.DLL
> >Wish82 a provoqué une erreur dans TCL82.DLL
> >
> >It's in french, it means there is an error with the files
> >VTKDLL.DLL and TCL82.TCL when I try to open one .vtk 
file.
> >
> >If you could help me, it would be wonderfull for me.
> >
> >Régis BLANCHON

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