[maplab-users] Error in msSaveImage(): GIF Output is not available

[Yewondwossen Assefa]

There are 2 versions of Rosa, one with PNG support and the other one without. Make sure that you are using the one with PNG support. If you download the rosa from thje site, look
for rosa_png.jar in the zip(tar) file :

  http://www2.dmsolutions.ca/webtools/rosa/rosa_downloads.html

Later,

patruno wrote:

> Thanks a lot for your suggestion.
> I changed  MS_GIF to MS_PNG and now I can launch the preview.
> (Does MS_JPG work too?)
>
> Now the problem is the Rosa applet.
> Using maplab-2.0rc2 the Rosa applet appears completely blank No map and no buttons appear in the preview page.
> But if I disable the applet, everything works well. The map appears and I can also browse it using the zoom-in and zoom-out functions.
>
> Using maplab-2.0rc3 I can preview my mapfile in the applet. The problem is when I try to zoom-in and zoom-out the map.
> When I select a square to zoom in, the applet zoom on a wrong area. Why? And when I zoom-out somewhere, the map always return back
> to the  starting point.
>
> (I have the same problem even if I disable the applet).
>
> Thanks again in advance
>
> Vincenzo
>
> ----- Original Message -----
> From: "Paul Spencer" <pagameba@magma.ca>
> To: "patruno" <patruno@istat.it>
> Cc: <maplab-users@dmsolutions.ca>
> Sent: Thursday, January 30, 2003 2:39 PM
> Subject: Re: [maplab-users] Error in msSaveImage(): GIF Output is not available
>
> > Vincenzo,
> >
> > I am a little confused about where the red Xs are ... I think you mean
> > that GIF is not supported by MapScript (but PNG is for example?).  For
> > PHP, are no image types supported?  Or just not GIF?
> >
> > On windows, PHP does not support GIF by default and I think you'd have
> > to compile your own php_gd.dll to get it.  On Linux, you probably build
> > your own GD then it's up to you if GIF is included.   But this will
> > likely affect both PHP and MapScript so if it's available in one it
> > should be in the other unless you are using two different GDs for PHP
> > and MapScript.  In either case, you should be able to work with PNG
> > images.
> >
> > see my post just now about how the preview.php file may need to be
> > changed.  The default mapfile doesn't include an image type and so
> > defaults to GIF.  You should explicitly change it to PNG in the map
> > object.  Also, I think you need to put the image type in the
> > configuration files to PNG.
> >
> > Cheers,
> >
> > Paul
> >
> > patruno wrote:
> > > Hi anyone.
> > >
> > >
> > > I've already installed Maplab on WindowsNT platform and at the moment I'm trying to do the same
> > > on Linux RedHat 7.2.
> > >
> > > I think my problem is related to gd library because when I try to view the preview of my mapfile I obtain an error as in the Subject of this post.
> > > If I check the installation information I find a red "X" in Mapscript Information - Supported Image Types - GIF box and in PHP - Supported Image Types - GIF/PNG/JPEG boxes.
> > >
> > > Any Idea?
> > >
> > > (I've installed: PHP4.2.3, GD1.8.4, Mapserver 3.6.4)
> > >
> > > Thanks in advance
> > > Vincenzo
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Maplab-users mailing list
> > > Maplab-users@dmsolutions.ca
> > > http://lists.dmsolutions.ca/mailman/listinfo/maplab-users
> > >
> >
> > --
> > Paul Spencer
> > Applications and Software Development
> > DM Solutions Group Inc.
> > http://www.dmsolutions.ca
> >
> >
> > _______________________________________________
> > Maplab-users mailing list
> > Maplab-users@dmsolutions.ca
> > http://lists.dmsolutions.ca/mailman/listinfo/maplab-users
>
> _______________________________________________
> Maplab-users mailing list
> Maplab-users@dmsolutions.ca
> http://lists.dmsolutions.ca/mailman/listinfo/maplab-users

--
----------------------------------------------------------------
Assefa Yewondwossen
Software Analyst

Email: assefa@dmsolutions.ca
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
Fax:   (613) 565-0925
----------------------------------------------------------------