Hugemann a écrit :
How can I pre-calculate the "-density 72" and "density 28.34"
with the data I get from identify ?
AFAIK, identify cannot perform this task. I also tried "jhead.exe" which
seems to work nicely with IM, but it also gives no information on the
xyresolution.
With the help of Scott Spearman I found this
$ identify -verbose *.jpg | grep -E '^Ima|Geo|Res|Uni'
Image: bugzilla_add_patch.jpg
Geometry: 800x600
Units: PixelsPerCentimeter
Image: bugzilla_choose_product.jpg
Geometry: 800x600
Units: PixelsPerCentimeter
Image: bugzilla_enter_bug.jpg
Geometry: 809x588
Resolution: 95x96
Units: PixelsPerInch
Image: bugzilla.jpg
Geometry: 800x600
Units: PixelsPerCentimeter
As you can see sometimes (bugzilla_enter_bug.jpg) jpeg file have the
"Resolution" info.
Luis
--
Luis Belmar-Letelier
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