[GRASS-user] Output question - ps.map

[Moritz Lennert]

On 02/07/08 10:11, Hamish wrote:
> Richard Chirgwin:
>> 2) Set the paper size to 200" x 200"
> 
> AFAIU now, the issue is that the PDF output is compressed, not the PostScript output of ps.map, which should be a best resolution. The
> above trick is to get a create a resolution PDF, at the expense of
> incorrect paper size. ie fool acrobat reader.
> 
> 
> I have struggled with the same issue -- PDF conversion with the 
> ps2pdf13 gs wrapper reduces the images to 72dpi.
> 
> 
> for the PS -> PDF conversion try:
> 
> gs -q -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -dPDFSETTINGS=/printer \
>   -sOutputFile=out.pdf in.ps
> 
> 
> I tried with "-r1200" and "-r600x600" and "-density600" gs options but
> those had no discernible effect AFAICT*, although the file sizes changed
> a small amount (got smaller!). Probably due to the fact that I don't
> know ghostscript very well.
> 
> 
> "-dPDFSETTINGS=/printer" seemed to do the trick though.

Normally, you should actually be able to give this option directly to 
ps2pdf:

http://pages.cs.wisc.edu/~ghost/doc/AFPL/6.50/Ps2pdf.htm


Moritz