[mapserver-users] Mapserver WMS under IIS 7 x64 serving up blank images

[Steve Lime]

The error still indicates a problem recognizing the file type. Can you hit the source GeoTIFF?

>>> On 12/7/2009 at 3:18 PM, in message
<8ab83e650912071318r3f35074anb9d6c9b64393a0c4 at mail.gmail.com>, Daniel Walton
<dgwalton at gmail.com> wrote:
> I'm creating the PNG image from a GeoTIFF using:
> 
> gdal_translate -of PNG -quiet -scale -co worldfile=yes
> [Geotiff_filename].tif [PNG_filename].PNG.
> 
> Also, these PNG source images were working fine under MS4W x86.
> 
> -Dan
> 
> 
> 
> On Mon, Dec 7, 2009 at 3:14 PM, Steve Lime <Steve.Lime at state.mn.us> wrote:
> 
>> If I take the request out of WMS context to straight CGI with this request:
>>
>>  http://www.fireimagery.com/ms/mapserv.exe?map=C 
>> :\maps\A091207074551.map&mode=map&mapsize=300+300&layer=ZZ
>>
>> I get the following error:
>>
>> msDrawMap(): Image handling error. Failed to draw layer named 'ZZ'.
>> msDrawRaster(): Image handling error. Unrecognized or unsupported image
>> format drawEPP(): Image handling error. EPPL7 support is not available.
>>
>> Typically you'll see that when GDAL failed to identify the filetype. EPPL7
>> is the last thing checked so that's not relevant by itself. I guess I'd
>> start
>> by making sure the image is valid.
>>
>> Steve
>>
>> >>> On 12/7/2009 at 2:47 PM, in message
>> <8ab83e650912071247w7b93cb8bt90fe0c6a7a460785 at mail.gmail.com>, Daniel
>> Walton
>> <dgwalton at gmail.com> wrote:
>> > Thanks Daniel. No dice, though, log is empty.
>> >
>> > On Mon, Dec 7, 2009 at 2:38 PM, Daniel Morissette
>> > <dmorissette at mapgears.com>wrote:
>> >
>> >> Daniel Walton wrote:
>> >>
>> >>>
>> >>> Yes, the same mapfile worked under MS4W on a 32-bit machine. I have
>> >>> verified that this same problem occurs using the x86 binaries from
>> Tamas'
>> >>> site run in the current x64 environment. The source image is in PNG
>> format
>> >>> in order to make transparency work well on the client. (My client is
>> >>> Silverlight-based, and PNG is the only supported format that supports
>> >>> transparency). The source image does have a world (*.WLD) file which
>> >>> contains these values (file is generated by running gdal_translate on a
>> >>> geotiff image):
>> >>>
>> >>>
>> >> Um... perhaps try using DEBUG/MS_ERRORFILE and look for hints in the log
>> >> output, if you haven't tried that already.
>> >>
>> >>
>> >> --
>> >> Daniel Morissette
>> >> http://www.mapgears.com/ 
>> >> _______________________________________________
>> >> mapserver-users mailing list
>> >> mapserver-users at lists.osgeo.org 
>> >> http://lists.osgeo.org/mailman/listinfo/mapserver-users 
>> >>
>>
>>