[ptx] enblend 1.0; blending error; source image generation

[Markus Halla]

From: "Pablo d'Angelo" <pablo.dangelo at web.de>
> Hi,
>
> > An other point is the generation of the source images.
> > I always read that ptstitcher with "tiff_m" should be called. But
the masks
> > which the ptstitcher creates for each of the generated images are
blending
> > masks which don't cover the whole source image area. So you loose
> > information and quality when you blend these images. The only
correct way
> > that I know to generate the source images with ptstitcher is to
create many
> > panoramas with "tiff_mask" which contain always only one source
image. Then
> > the mask in the projected image is correct.
>
> are you sure? which version of panotools are you using?
>
> TIFF_m works fine for me (actually, nona will produce compatible
output in
> the next version.) "TIFF_mask" will do as its name suggests and
produce
> images with the unwanted blending masks.

I have tested it again and you are right. TIFF_m also produces the
correct masks. I can't really remember what I have called in which
situation when I encountered the problem with the blending masks.

Markus