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Sign uppole holes: raster reprojections make ozone holes in the poles #4864
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@warmerdam, any chance you could review the base patch? More your area of expertise... --Steve |
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@sdlime @warmerdam Will that patch for MapServer 5 be helpful? |
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@dshorthouse, I've not been able to get any feedback. So, assuming life was good for you with this patch in 5.x that we should move forward and create a patch against git master and apply it there. Steve |
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The approach looks generally plausible though I haven't done an in depth review. |
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I'd apply this patch myself, but it's not my area of expertise. @warmerdam have you had a chance to review? |
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Anyone? |
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This is still an issue with MapServer 7.02 |
Repeat transformation for a rectangle interior to the output requested region. If the latter results in a more extreme y extent, then extend extents in source layer projection to southern/northing bounds and entire x extent. This fix resolves issue mapserver#4864.
Example: http://www.simplemappr.net/map/1579 [not apparent here because patch below already applied]
I had a patch for this in MapServer 5, which might be reworked to solve the same artifact in MapServer 6. https://github.com/dshorthouse/SimpleMappr/blob/4cad6dd9724e3d59d5046c0a18b137ca5a10f80f/patches/mapserver_polehole.patch