John,
It looks like a resampling problem. You could try adding
PROCESSING "OVERSAMPLE_RATIO=1"
PROCESSING "LOAD_FULL_RES_IMAGE=NO"
to your layer definition. I had some success with these when trying to
get mapserver to render large (and readable) images from OpenStreetMap.
Best Regards,
Brent Fraser
On 6/15/2011 9:04 AM, Frank Warmerdam wrote:
On 11-06-10 12:25 PM, John Westwood wrote:
Does anybody have any ideas what the problem could be? I know it is
something
to do with the fact that I boosted the images and MapServer doesn't
like them,
but I would like to fix it. Suggestions greatly appreciated.
John,
I'm afraid I don't have much to offer. I just wanted you to know that
someone had looked at your post and had no bright ideas about why it is
happening. If this is quite important to you, you could file a ticket
on the issue, reducing it to a simple map file with one input GeoTIFF
and a request (ideally with shp2img) that produces the artifacted output.
Then I could dig into this from my end.
If you do that, you can directly assign the MapServer ticket to
"warmerdam".
Best regards,
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