Hello, I have a number of geotiff files that I'm attempting to mosaic and use as an overlay on top of a base map. My problem is that I can't get rid of the a border on the boundary of the geotiff mosaic. I've set BackgroundValues to -9999 and the OutputTransparentColor to 000000 which takes care of most of the area not occupied by images.
The border seems to occur at almost all edges. For instance, I've attached an image of the open layers preview for the west coast of the US. (The actual image data is removed and replaced with a gray field.) There are three tiles present in this portion of the mosaic, I'm attempting to get rid of the blue border. The white area to the left is what I want, transparent tiles. This blue border changes width depending on the zoom level and the suggested_tile_size setting. The bigger the tile size the wider the border. The border isn't part of the geotiffs, I've checked, and I have no idea why it is blue. I can try to make the border insubstantial by changing the suggested_tile_size to something insanely small, but that isn't an acceptable solution (it is already 32,32 in the attached image) Any suggestions? Thanks, Mark
<<attachment: GeoTiff_Border.png>>
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