Align_image_stack expects that all images have the same size. So you
have probably feed different sized images to it.
The current version prints in this case a better error message:
Images have different sizes.
C47C_ref.png width x height pixel, while
C47C_ref.png has width2 x height2 pixel.
This is not supported. Align_image_stack works only with images of the same
size.
** Changed in: hugin
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1659528
Title:
align_image_stack fails to process PNGs: Assertion failed
Status in Hugin:
Fix Released
Bug description:
align_image_stack fails for certian PNG files that were created by
ImageMagick convert from a CorelDRAW-created PDF file.
Here's the commandline output:
Unable to read EXIF data from opened file:C47C_ref.png
Unable to read EXIF data from opened file:C47C_src.png
Creating control points between C47C_ref.png and C47C_src.png
align_image_stack:
/build/hugin-xzKV1g/hugin-2015.0.0+dfsg/src/tools/align_image_stack.cpp:740:
int main2(std::vector<std::__cxx11::basic_string<char> >, Parameters) [with
PixelType = vigra::RGBValue<unsigned char>]: Assertion `nextImgInfo.size() ==
firstImgInfo.size()' failed.
Sometimes it works, sometimes it doesn't. I tried converting the files
back and forth to different formats to drop any strange data that
could confuse align_image_stack, but it kept failing to process the
files.
Is this a bug?
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