[mapserver-users] Problem with Overlap image for WCS Request

Rahkonen Jukka Jukka.Rahkonen at mmmtike.fi
Mon Apr 26 22:50:50 PDT 2010


Hi,

Use gdalbuildvrt utility for creating a virtual mosaic of your original files and use the resulting .vrt file as input for Mapserver.  It looks like normal tileindex system does not work correctly with WCS.  I have written some mails about this last week, have a look at the archives.

-Jukka Rahkonen-


Sarawut Ninsawat wrote:
 
> Hi folks,

> I have setup a WCS server for Spatial/Temporal tiling. It is work well 
when I have only one scene (same spatial extent) for multiple temporal 
image.

> But when there is two image scene (in my case MOD11A1 scene h28v05 and 
h29v05), there is a problem when BBOX request is in overlap area between 
two scenes. As the output is composed of null value of scene h29v05 (in 
that area of scene h28v05, there is a observed data).

> I just wonder that there is any technique to make mapserver can do a 
composite or mosaicking etc. of two scene for output. Please advise me 
any idea or it is not complaint to WCS specification ?

> I just thinking the possibility about "Title index Polygon only valid 
area of image" ?

> Best regards

> Sarawut
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