WCS ResX ResY

[Frank Warmerdam]

Norman Barker wrote:
> Hi,
>
> thanks Steve L and Frank W for all your help, the WCS is working well.
> However when I use the RESX and RESY keywords  in the http
> request, so for GTOPO30 I use  RESX=300 and RESY=300 the
> base resolution I get
>
> msWCSGetCoverage(): WCS server error. A non-zero RESX/RESY or
> WIDTH/HEIGHT is required but neither was provided.

Norman,

I think the problem is that the resolution is used to compute a resolution
but your whole database is only 360x180 so 180/300 rounds to zero.  Keep
in mind that when your dataset is in geographic coordinates the resolution
is going to be in degrees, not meters.   So, try something like
RESX=0.0027&RESY=0.0027.  That should give you a resolution of approximately
300m.

Also, you should correct your resolution metadata in your .map file accordingly.
I noticed it was misdeclared last night but forgot to mention it.

Best regards,
--
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | Geospatial Programmer for Rent