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Posted to users@pdfbox.apache.org by Robert Pesch <rp...@scai.fraunhofer.de> on 2009/11/06 13:30:59 UTC
PrintImageLocations width/height incorrect?
Dear all,
i have played a bit around with the PrintImageLocation
(org.apache.pdfbox.examples.util, latest SVN check out) example. For me
it seems as the computed width and height information are not correct.
As a test case, i printed the locations of the text on a given page and
the locations of the figures on the same page and my goal was to compute
the distance between the text and the figure on the page (i want to
detect figure captions). But what i got was something like that:
Found image[Im1] at 117.8281,525.6248779296875 size=127.62613,127.62613
(output from the PrintImageLocation example)
Whereas my text starts at (117, 525) (derived from the TextPosition
objects in the PDFTextStripper). As you can see, the (x,y) coordinates
make perfect sense, since i tested it on a page with just one figure and
a corresponding figure caption. But the width and height information
(127,127) are a bit strange since the image spans across half the page
in my example.
I can see that the width and height information are somehow computed
with respect to the scaling, but i wasn't able to fix the transformation
myself.
Can anyone validate that the height and width information are weird or
am I interpreting the coordinates incorrectly?
Many thanks in advance.
With kind regards
Robert