Hi After testing with shp2img I have just realised what is causing this problem. It is all my fault :) Some of the map sheets overlap and I am using the OFFSITE command with 255 255 255 to make white transparent, hence some of the sheet behind is showing through.
Unfortunately, I need the OFFSITE command to make white transparent so that the white 'border' around the sheet does not obscure the map sheet it is overlapping. I'm not sure what would be the easiest / best way around this. Does anybody have any ideas? Thanks. Regards, John W. Great Britain Historical GIS Project >>> Frank Warmerdam 15/06/11 4:05 PM >>> 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, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmer...@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent
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