On Thursday, October 23, 2014 2:24:15 AM UTC-4, GnomeNomad wrote:
>
>
> My workflow is more based on suppressed-perfectionism combined with a 
> belief that a mask in Hugin specified "include/exclude this specific 
> area". Apparently that's not how Hugin uses masks; apparently it's more 
> of suggestion to the *blender* to include/exclude the area if possible. 
> My bad, thinking in terms of graphics software layers. 
>

Well, you can be forgiven for this, I think, because the  manual says:

By excluding an area with a mask (an ""exclude"" mask), you are telling the 
blender to exclude that region from consideration both when placing the 
seam and when blending. The result is that you can remove a person or object 
from the final stitch. You should only exclude a part of one photo if some 
other photo shows the same part of the scene without that object, otherwise 
you will get a black empty area in your final panorama.



When you include an object with a mask (""include"" mask) the opposite 
happens, and that part of the scene is removed from all other photos. The 
blender has no choice but to use the region in the photo you selected.

That last bit about the blender having no choice seems a bit strong in 
light of Tmodes' explanation.

The tutorial on masking is more accurate, as noted already.

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