[vtkusers] texture mapping

[Susi Schmalkalt]

Ups, sorry. I went on reply only...

Yes. Exactly. 



Am 20.11.2013 um 15:05 schrieb Bill Lorensen:

> Please keep discussion on the list…
> 
> Do you want the grid "projected" onto a part of the brain?
> 
> Bill
> 
> 
> On Wed, Nov 20, 2013 at 8:42 AM, Susanne Schmalkalt
> <Susanne.Schmalkalt at gmx.de> wrote:
>> I have a let's say 8x8 grid that I want to map to the brain. Per gridpoint I
>> have one value. Using a colormap I visualize these values by color and
>> inbetween the gridpoints I interpolate to get a smooth colorful image.
>> 
>> Gesendet: Mittwoch, 20. November 2013 um 14:34 Uhr
>> Von: "Bill Lorensen" <bill.lorensen at gmail.com>
>> An: "Susanne Schmalkalt" <Susanne.Schmalkalt at gmx.de>
>> Cc: "VTK Users" <vtkusers at vtk.org>
>> Betreff: Re: [vtkusers] texture mapping
>> What image do you want to map to the brain?
>> 
>> 
>> On Wed, Nov 20, 2013 at 7:43 AM, Susanne Schmalkalt
>> <Susanne.Schmalkalt at gmx.de> wrote:
>>> Hello,
>>> 
>>> I am working on a project and would like to map an image to the surface of
>>> a
>>> brain. The brain is saved as a vtkMRMLLabelMetaListNode, which is a
>>> vtkMRMLNode, a labelmap in Slicer4. I assume, I can extract the surface of
>>> the labelmap with vtkGeometryFilter. Now, to apply the texture to the
>>> surface I was hoping to find something like vtkTextureMaptoSurface, but
>>> all
>>> I found was vtkTextureMaptoPlane, -Sphere, etc.
>>> Does someone know a nice example that does something similar? I found many
>>> users asking similar questions also in vtkusers mailing list but the
>>> answers
>>> weren't visible or simply not there.
>>> 
>>> The second question (and perhaps also important information for the first
>>> one): To get the image I am using vtkpolydata to form a grid, assign my
>>> measurement values to the mesh and visualize it using a colormap. I
>>> couldn't
>>> find any way to turn this resulting image into a vtkImage, but I assume
>>> that
>>> I would need this inorder to use the texturemapping, right?
>>> 
>>> Thank you a lot for any help or hints!
>>> Susi
>>> 
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>> 
>> 
>> 
>> --
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