Exporting to Tiff stretches the image but why?


for workflow situation exporting lots of pdfs tiff files further processing. of pdfs tiff file get's stretched.

 

e.g. original pdf 420mm x 594mm. when export tiff turns 4878 x 3999 pixels (or 420 mm x 344,32mm) image. illustration of how it's stretched. same happens other formats. , doesn't matter if export jpeg (see attached). same result. these (initially) simple indesign layouts: image text , logo. have idea might go wrong?

 

_014zk_330[poster]launch3femalede-poster-420 x 594-310_1-1_1.jpg

is happening pdf documents, or 1 or few coming same source?

 

do see same effect when exporting other image formats?

 

what application showing "stretched" image?

 

i suspect dealing case pixels in source data not square (a different resolution in x , y directions), , pdf generating application stretches image in direction pixels shorter make whole image appear correct again. information can encoded in tiff image, without running tests, don't know if adobe acrobat when exporting tiff images.



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