[mapserver-dev] strange behavior when size != gif size (UMN 5.4.2)

[teeschke]

Hello Steve..

I can recreate the wrong output with your sample-map.
I added an projection
PROJECTION
   'init=epsg:31466'
END #PROJECTION

Now I can fire my GetMap-Request:
http://localhost/cgi-bin_ms5.4.2/mapserv.exe?LAYERS=too_small,too_large,just_right&SRS=EPSG:31466&FORMAT=image/png&WIDTH=200&HEIGHT=200&SERVICE=WMS&VERSION=1.1.1&STYLES=&BBOX=0,0,200,200&map=C:/umn_maps/test/symbol_problem.map&REQUEST=GetMap
http://n2.nabble.com/file/n3565396/output.png 

I found out that when I using FORMAT=image/gif the output looks nice:
http://localhost/cgi-bin_ms5.4.2/mapserv.exe?LAYERS=too_small,too_large,just_right&SRS=EPSG:31466&FORMAT=image/gif&WIDTH=200&HEIGHT=200&SERVICE=WMS&VERSION=1.1.1&STYLES=&BBOX=0,0,200,200&map=C:/umn_maps/test/symbol_problem.map&REQUEST=GetMap
http://n2.nabble.com/file/n3565396/output.gif 

I also tryed to use a gif-symbol, but no change, same problem.

Do you using the Mapservers own CGI-Request or WMS-Request?

thanks, regards,
Daniel



Steve Lime wrote:
> 
> Daniel: I just ran some local tests against the 5.4 branch and don't see
> the problem on my dev box (MacOS). I'm using the sample image you supplied
> and a mapfile like the one below. I'm using GD 2.0.35. Are you still
> having the issue? Perhaps something weird like multiple versions of GD on
> the system could cause artifacts like this.
> 
> Steve
> 
> MAP
>   NAME 'testy'
>   SIZE 200 200
>   EXTENT 0 0 200 200
> 
>   IMAGETYPE PNG2
> 
>   OUTPUTFORMAT
>     NAME PNG2
>     DRIVER 'GD/PNG'
>     MIMETYPE 'image/png'
>     IMAGEMODE RGB
>     EXTENSION 'png'
>   END #OUTPUTFORMAT
>   
>   SYMBOL
>     NAME 'some_gif_symbol'
>     TYPE PIXMAP
>     IMAGE "some_gif_symbol.gif"
>   END
> 
>   LAYER
>     NAME 'too_small'
>     TYPE POINT
>     STATUS DEFAULT
>     FEATURE
>       POINTS 30 20 END
>     END
>     CLASS
>       STYLE
>         SYMBOL 'some_gif_symbol'
>         SIZE 10 # equals gif size -3 
>       END
>     END
>   END
> 
>   LAYER
>     NAME 'too_large'
>     TYPE POINT
>     STATUS DEFAULT
>     FEATURE
>       POINTS 50 100 END
>     END
>     CLASS
>       STYLE
>         SYMBOL 'some_gif_symbol'
>         SIZE 16 # equals gif size +3
>       END
>     END
>   END
> 
>   LAYER
>     NAME 'just_right'
>     TYPE POINT
>     STATUS DEFAULT
>     FEATURE
>       POINTS 100 50 END
>     END
>     CLASS
>       STYLE
>         SYMBOL 'some_gif_symbol'
>         SIZE 13
>       END
>     END
>   END
> END
> 
>>>> teeschke <daniel.teske at web.de> 08/20/09 10:24 AM >>>
> 
> 
> OUTPUTFORMAT
> 	NAME png
> 	DRIVER 'GD/PNG'
> 	MIMETYPE 'image/png'
> 	IMAGEMODE RGB
> 	EXTENSION 'png'
> END #OUTPUTFORMAT
> 
> 
> -- 
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