>To be fair it should be noted that POV-Ray cannot read png files from a
>partial/interrupted render as image maps/heightfields/... either.  The
>libpng function to load whole images ('png_read_image()') has problems
>with them.  Reading the image line by line ('png_read_row()') helps (this
>is what i did for HCR-Edit and what POV does in 'Read_Rendered_Part()' for
>continuing interrupted renders).

>Maybe i should post a bug report concerning this? ;-)

Yep,

But only povray uses partial images, So it's normal that other software
can't read such files.
Povray should build the whole image (complete the partial image with
transparent or black pixel)

Khi2

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