RE: [Vxl-users] Vil_warp

[Ian S. <ian...@st...>]

I've just added a vil_warp.

Ian.

> -----Original Message-----
> From: Wheeler, Frederick W (Research) [mailto:wh...@cr...]
> Sent: Monday, December 01, 2003 2:22 PM
> To: '"Van Genechten, Bjorn"'; 'vxl...@li...'
> Subject: RE: [Vxl-users] Vil_warp
> 
> 
> There is no warp class in vil2 like there is in vil1.  
> Personally, I think
> this is a good thing.  Having a special class for the action 
> of warping the
> image seems like overkill to me.  Here is a snippet that warps using
> vil_bilin_interp ...
> 
> 
>   assert (img0.nplanes() == img1.nplanes());
> 
>   double x0, y0;
>   for (unsigned i1=0; i1<img1.ni(); i1++)
>   for (unsigned j1=0; j1<img1.nj(); j1++) {
>       // *** do your own mapping here
>       reg.imap (double(i1), double(j1), x0, y0);
>       if (x0>=0.0 && x0<=(int(img0.ni())-1) &&
>           y0>=0.0 && y0<=(int(img0.nj())-1)) {
>           img1(i1,j1,p1) = vil_bilin_interp (img0, x0, y0, p1);
>       }
>   }
> 
> Fred Wheeler
> 
> > -----Original Message-----
> > From: "Van Genechten, Bjorn"
> > [mailto:Bjo...@as...]
> > Sent: Monday, December 01, 2003 2:20 AM
> > To: 'vxl...@li...'
> > Subject: [Vxl-users] Vil_warp
> > 
> > 
> > 
> > Hello,
> > 
> > Is there a function in vil2 that does somehow the same as the 
> > vil1_warp
> > function (using homographies)?
> > 
> > 
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> 
> 
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