[mapserver-users] Cairo SVG & PDF output

[Rahkonen Jukka]

Hi,

It feels like it could be useful to have for example something like 
FORMATOPTION "DPI=xxx" 
that could be used when defining PDF outputformat
http://www.mapserver.org/mapfile/outputformat.html#outputformat

I am not sure what GDAL configuration option GDAL_PDF_DPI is doing but perhaps it is something equivalent.
http://www.gdal.org/frmt_pdf.html

-Jukka Rahkonen-

________________________________________
Christy Nieman wrote:

>Hi all,

> I have been looking into something I just noticed when I change the
output of a map draw from png to Cairo svg or pdf.  A 300px by 300px png
image became a 375 px by 375 px svg according to Inkscape.  I realized
this is because the size of the svg was specified in points and Inkscape
was assuming a dpi of 90 instead of 72.  I tried changing the RESOLUTION
parameter in my mapfile to 90, but (and I already knew this) changing
the RESOLUTION value only affects the sizes of features in the map, not
the output map size.

> I edited the svg xml for the size to be in px instead of pt, which
seemed to make the svg draw the same size as the png in Chrome and
Firefox.  Is there a way to have the units for cairo output images set
to be pixels instead of points?  Am I wrong in thinking there is a
problem with the way it works now?

> Thanks,
Christy
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