<html><head><meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"><META name="Author" content="Novell GroupWise WebAccess"></head><body style='font-family: Tahoma, sans-serif; font-size: 13px; '>Hi Brent<br><br>Thanks for the hint. I gave it a try but it did not help. I will have another look at the problem next week.<br><br>Regards<br><br>John W.<br><br><br>>>> Brent Fraser <bfraser@geoanalytic.com> 15/06/11 4:21 PM >>><br>John,<br><br>It looks like a resampling problem. You could try adding<br><br> PROCESSING "OVERSAMPLE_RATIO=1"<br> PROCESSING "LOAD_FULL_RES_IMAGE=NO"<br><br>to your layer definition. I had some success with these when trying to <br>get mapserver to render large (and readable) images from OpenStreetMap.<br><br>Best Regards,<br>Brent Fraser<br><br><br>On 6/15/2011 9:04 AM, Frank Warmerdam wrote:<br>> On 11-06-10 12:25 PM, John Westwood wrote:<br>>> Does anybody have any ideas what the problem could be? I know it is <br>>> something<br>>> to do with the fact that I boosted the images and MapServer doesn't <br>>> like them,<br>>> but I would like to fix it. Suggestions greatly appreciated.<br>><br>> John,<br>><br>> I'm afraid I don't have much to offer. I just wanted you to know that<br>> someone had looked at your post and had no bright ideas about why it is<br>> happening. If this is quite important to you, you could file a ticket<br>> on the issue, reducing it to a simple map file with one input GeoTIFF<br>> and a request (ideally with shp2img) that produces the artifacted output.<br>> Then I could dig into this from my end.<br>><br>> If you do that, you can directly assign the MapServer ticket to <br>> "warmerdam".<br>><br>> Best regards,<br><br>_______________________________________________<br>mapserver-users mailing list<br>mapserver-users@lists.osgeo.org<br>http://lists.osgeo.org/mailman/listinfo/mapserver-users<br></body></html>