[vtkusers] Scalars read from file only accepted if 0.0-1.0 even though int specified

[Christopher M. Navarro]

Are you setting the scalar range of your mapper?  By defaul it is 0 - 1, 
maybe that's the problem you're having?

-chris

On Fri, 26 Mar 2004, jarv0075 wrote:

> I've tracked it down to the polydata reader always returning a scalar range
> of 0 1.  Do I specify the range somewhere in the file?
> 
> Here is the data file:
> 
> ---------------------------------------------------------------------------
> ----------
> 
> # vtk DataFile Version 2.0
> Cube example
> ASCII
> DATASET POLYDATA
> 
> POINTS 8 float
> 0.0 0.0 0.0
> 1.0 0.0 0.0
> 1.0 1.0 0.0
> 0.0 1.0 0.0
> 0.0 0.0 1.0
> 1.0 0.0 1.0
> 1.0 1.0 1.0
> 0.0 1.0 1.0
> 
> POLYGONS 6 30
> 4 0 1 2 3
> 4 4 5 6 7
> 4 0 1 5 4
> 4 2 3 7 6
> 4 0 4 7 3
> 4 1 2 6 5
> 
> CELL_DATA 6
> SCALARS fissure int 1
> LOOKUP_TABLE super
> 1
> 2
> 3
> 4
> 5
> 6
> 
> 
> LOOKUP_TABLE super 7
> 0.00 0.00 0.90 1.0
> 0.31 0.01 0.01 1.0
> 0.02 0.02 0.02 1.0
> 0.03 0.43 0.03 1.0
> 0.04 0.04 0.64 1.0
> 0.04 0.74 0.04 1.0
> 0.84 0.04 0.04 1.0
> 
> 
> ---------------------------------------------------------------------------
> ------
> 
> 
> On 26 Mar 2004, Amy Henderson wrote:
> > Please post your data file to the list. There is no way to know what's 
> > wrong with the file without seeing it.
> > 
> > - Amy
> > 
> > At 10:26 AM 3/26/2004, jarv0075 wrote:
> > >
> > >I've followed the example file formats to the T even (copying the Cube
> > >example out of file-formats.pdf) but nothing will work unless it's float
> > >0.0-1.0.
> > >
> > >Any idea why this is happening?
> > >
> > >_______________________________________________
> > >This is the private VTK discussion list.
> > >Please keep messages on-topic. Check the FAQ at: 
> > ><http://public.kitware.com/cgi-bin/vtkfaq>
> > >Follow this link to subscribe/unsubscribe:
> > >http://www.vtk.org/mailman/listinfo/vtkusers
> > 
> > 
> > 
> > 
> 
> 
> _______________________________________________
> This is the private VTK discussion list. 
> Please keep messages on-topic. Check the FAQ at: <http://public.kitware.com/cgi-bin/vtkfaq>
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
>