On 29-11-2010 10:07, Patrick Gundlach wrote:
Hi,
what is the difference of img.width and img.xsize? (reference manual 4.5.2
img.keys)
For example, the cow.pdf gives me
img.width = 18646779 and img.xsize = 18089984
What are the units? img.width is in sp, what about img.xsize?
all units in luatex are scaled points
the difference is some 8.4 pt which is somewhat weird
\the\dimexpr18646779sp/\number\dimexpr1bp
\the\dimexpr18089984sp/\number\dimexpr1pt
that's pretty close so maybe the xsize (bounding box values) takes the
wrong unit when conversion to sp takes place
Hans
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