[maplab-users] mapedit preview map returns internal server
zak4ms at gmail.com
Tue Aug 1 12:30:26 EDT 2006
Can you post the MrSID layer from the saved mapfile to the list?
On 8/1/06, Jeff McKenna <jmckenna at dmsolutions.ca> wrote:
> MapServer uses GDAL for raster support, so yes tifs and mrsid images are
> handled by GDAL.
> However I can't explain your problems. I see that you are on Windows -
> I know that MS4W was recently modified to included mrsid support by
> default. But I have not played with MrSID files in MapLab.
> MapLab was built so long ago, long before virtual spatial support was
> added to OGR (ovf files), so I'm not surprised that there might be
> problems with those files in MapLab.
> You might have to live with this 'quirkiness' for now. Unless someone
> else sees a solution?
> Bryan Keith wrote:
> > Thanks, Jeff. Previously I wrote that I had 3 shapefiles and a tiff.
> > That was wrong. I have 3 shapefiles and a sid image. I removed the
> > sid, and then "preview map" worked fine. Then I added the sid back in,
> > and "preview map" still worked fine. Hmm. The map files are identical
> > again. I opened the original mapfile, and I got the error. I opened
> > the new map file, and I also got the error. I removed the sid, and
> > "preview" map worked again. Back where I started, and I can reproduce
> > the problem (remove the sid, everything works...). Does this
> > information help locate the problem?
> > Does MapLab (and MapServer) use GDAL for tiffs? I assume it uses GDAL
> > for sids. I'm wondering if GDAL/OGR are working correctly with MapLab.
> > When I built the map file, I used an OGRCONNECTION to plot points from
> > an ovf (VRT) file. I had problems with that mapfile and converted the
> > ovf to a shapefile in a quick attempt to get things working. Again, the
> > problem wasn't with the mapfile and the ogrconnection (shp2img worked)
> > but apparently with "preview map" in MapEdit and the ogr connection
> > (though I should do more testing to confirm this). I'm planning on
> > replacing the shapefile with the ovf. In the meantime if this sounds
> > familiar to anyone, let me know.
> > I hope all this is clear.
> > Bryan
> > Jeff McKenna wrote:
> >> hmm, could you try removing layers to make the mapfile even simpler
> >> and still throw the error? And then possibly attach that single-layer
> >> mapfile to an email sent back to this list so all can see.
> >> jeff
> >> Bryan Keith wrote:
> >>> Hello,
> >>> I installed ms4w and maplab on a windows 2000 machine and
> >>> successfully made and deployed a simple mapping application on our
> >>> intranet.
> >>> Now I can go to MapEdit and open the map file. When I try to
> >>> "Preview Map", I get an "unhandled win32 exception occurred in
> >>> php.exe" and "internal server error". "Preview Map" worked fine
> >>> while I was building the map file before deploying with the GMap
> >>> Factory. It's the same map file that's used in the deployed
> >>> application that continues to work. Also, that map file returns a
> >>> good image using shp2img. Also, "preview map" still works with the
> >>> tutorial map file. The problem map file is quite simple: 3
> >>> shapefiles and a tiff.
> >>> Anyone know what's going on here? If you need more information to
> >>> help figure out the problem, please let me know. Thank you.
> >>> Bryan
> >>> Bryan Keith
> >>> GIS Specialist
> >>> Geomega, Inc.
> >>> Boulder, CO, USA
> Jeff McKenna
> DM Solutions Group Inc.
> Maplab-users mailing list
> Maplab-users at lists.maptools.org
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