[vtkusers] create a texture map for an arbitrary surface

[John Biddiscombe]

Tim,

What do you mean? TextureMapToPlane effectively maps a unit square to your dataset (you supply the extents of the plane though). In what way will you be doing things different?

> My thought is to simply map the list of triangles (ideally 
> polygons) onto 
> the unit square using a grid layout

Care to elucidate?

JB

> -----Original Message-----
> From: Tim Hutton [mailto:T.Hutton at eastman.ucl.ac.uk]
> Sent: 21 July 2003 16:56
> To: VTK Users
> Subject: [vtkusers] create a texture map for an arbitrary surface
> 
> 
> Hello vtk users,
> 
> I would like to create a texture map for an arbitrary 
> polygonal surface 
> (for example, to enable painting of any 3D object) - is there 
> an easy way 
> to do this in VTK? I don't want to use vtkTextureMapToPlane 
> or similar 
> because these don't guarantee a unique bit of texture for 
> each part of the 
> object.
> 
> My thought is to simply map the list of triangles (ideally 
> polygons) onto 
> the unit square using a grid layout, and use that for the texture 
> coordinates (duplicating vertices as necessary). Has anyone 
> done something 
> similar? Would such a class be useful in VTK?
> 
> Thanks,
> 
> Tim.
> 
> 
> --------------------------------------------------------------
> -------------
> Tim Hutton,                        
> http://www.eastman.ucl.ac.uk/~dmi/MINORI
> Research Fellow & PhD student,                   
> T.Hutton at eastman.ucl.ac.uk
> MINORI Project, Biomedical Informatics Unit,
> Eastman Dental Institute, UCL,                   Tel: [+44] 
> (0)20 7915 2344
> 256 Gray's Inn Road, London WC1X 8LD, UK         Fax: on request
> --------------------------------------------------------------
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