[MINC-development] mincresample issue/bug at smaller voxel sizes using concatenated transforms

[Matthijs van Eede]

Hi Claude,

Initially I thought the current solution in minc 2.1 would work for use, 
but we quite frequently use transformation grids with resolutions that 
are a lot coarser than the volumes we transform with them, so we would 
still run into the same problem. Is it possible to have an environment 
variable that can override the value that is set for ftol?

Cheers,
Matthijs

Claude LEPAGE wrote:
> Hi,
>
> Have a look at what I did in minc-2.1.00 - which I use with histology
> data at 10 microns. I based the ftol as a function of the grid size
> used in the non-linear transform. It's better the previous hard-coded
> value of 0.05 (fine at 1mm). Ideally, as you say, ftol should be based
> on voxel size. However, good luck at obtaining this information in
> this piece of code.
>
> Claude
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