[Geomoose-users] PDF Printing - how to layer background transparent?

[Dan Little]

Something strange is happening with the mailing list... ah well...

I wrote to Nils that it is possible to convert to GIF output, but the image quality is greatly degraded.



----- Original Message ----
> From: CoFIS web | www.cofis.info <coffee at uni-bonn.de>
> To: Dan Little <danlittle at yahoo.com>
> Cc: GeoMoose Mailing list <geomoose-users at lists.sourceforge.net>
> Sent: Wednesday, November 12, 2008 8:50:12 AM
> Subject: Re: [Geomoose-users] PDF Printing - how to layer background transparent?
> 
> Dear Dan,
> thanks for your response. Is there a workaround for transparent layers for now 
> (other than
> taking a screenshot)?
> 
> Thank you,
> Nils
> 
> Dan Little schrieb:
> > I'll have to look into this, I imagine it's because the Image is getting 
> converted to RGB, then having transparency applied to it.  The original "image 
> stacking" code inside of the printing software was originally only tested 
> against GIF and JPEG layers.  We'll need to do some more work to make the 24-bit 
> PNGs look good.
> > 
> > 
> > 
> > ----- Original Message ----
> >> From: CoFIS web | www.cofis.info 
> >> Cc: geomoose-users at lists.sourceforge.net
> >> Sent: Wednesday, November 12, 2008 7:27:16 AM
> >> Subject: [Geomoose-users] PDF Printing - how to layer background transparent?
> >> 
> >> Dear List,
> >> this has been asked before - but I cannot find a sufficient answer for me.
> >> 
> >> I got the printing running in 1.6.1 but in the output I can only see the 
> topmost layer with grey background/fill (same in html and pdf output). Forcing 
> opacity on the topmost layer makes the lower one shine through. However, it 
> looks by far not as good as the Geomoose map.
> >> 
> >> The layers I want to print are shapes on my local system. In my mapfile I 
> include the following output format options:
> >>     NAME        png
> >>     DRIVER        'GD/PNG'
> >>     MIMETYPE    'image/png'
> >>     IMAGEMODE    RGBA
> >>     TRANSPARENT    on
> >>     EXTENSION    'png'
> >> 
> >> 
> >> The layer backgrounds appear transparently Firefox, IE7 and Safari on screen. 
> How can I tell geomoose to do the same when printing?
> >> 
> >> Thank you,
> >> Nils
> >> 
> >> -- Center for Development Research
> >> Department of Ecology and Resource Management
> >> 
> >> Walter-Flex-Strasse 3
> >> 53113 Bonn (Germany)
> >> 
> >> Tel.:   +49 (0) 228 - 73-1793
> >> FAX:    +49 (0) 228 - 73-1889
> >> 
> >> E-Mail: coffee at uni-bonn.de
> >> 
> >> Web:    http://www.cofis.info/atlas
> >>        http://www.coffee.uni-bonn.de
> >> 
> >> -------------------------------------------------------------------------
> >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
> >> Build the coolest Linux based applications with Moblin SDK & win great prizes
> >> Grand prize is a trip for two to an Open Source event anywhere in the world
> >> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> >> _______________________________________________
> >> Geomoose-users mailing list
> >> Geomoose-users at lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/geomoose-users
> > 
> > 
> > 
> >      
> 
> -- Center for Development Research
> Department of Ecology and Resource Management
> 
> Walter-Flex-Strasse 3
> 53113 Bonn (Germany)
> 
> Tel.:   +49 (0) 228 - 73-1793
> FAX:    +49 (0) 228 - 73-1889
> 
> E-Mail: coffee at uni-bonn.de
> 
> Web:    http://www.cofis.info/atlas
>         http://www.coffee.uni-bonn.de