Heiko,
If you know your generated filename you also could add it as
Vendorspecific parameter to the map-request:
Request http://.... map=/path/to/mapfile.map¶ms....
&filename=yourfile.tif
In the mapfile you need sth. like that:
LAYER
TYPE RASTER
DATA /path/to/%filename%
...
I'm not quite sure, if I hit the correct syntax just from mind. See here:
http://mapserver.org/mapfile/variable_sub.html
Till
Jörg Thomsen wrote:
Hello Heiko,
Heiko Schröter wrote:
i need to create Raster images on the fly and place them on a map
generated with Mapserver.
The time needed for generating these images is not crucial.
An external script is triggered to generate these images.
1) Is it possible to define in a mapfile a "data/image source" coming
from a script ?
I don't think, that it would work with
DATA 'anyscript'
because this is reading the source, not executing it.
But a WMS is doing what you are asking for:
> create Raster images on the fly
so perhaps you could use your script as WMS and call it with
CONNECTIONTYPE WMS
CONNECTION "http://.../yourscript";
you could add the parameters your script needs directly to the
connection-string.
CONNECTION "http://.../yourscript?param1=gtf>2=...";
Regards, Jörg
or
2) Is it possible to rediret the output of the script as input to
mapserver ?
Stepping through the docs the only solution i can think of in the
moment is to generate a temp.img (and temp.tlw)and pass that filename
as variable to the DATA tag inside the mapfile.
Any pointer to some more infos is highly appreciated.
Preprocessing is not a solution since we have dozends of options for
generating the images.
Thanks and Regards
Heiko
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