Use pixel centers as points in web Mercator grids #894
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Simpson desert tests are failing, which is not surprising as travel times are slightly different with this linking strategy. PR #896 changes those tests so they no longer depend on the position of the destination grid. That PR will need to be merged before this one's tests will pass. |
This was referenced Oct 18, 2023
All other uses of pixel edge functions now seem to be only for finding bounds of pixels, the entire grid, or extents. Point positions should now be uniformly in the center of Mercator pixels.
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Tests are now passing with the Simpson Desert test changes merged in. I think this is ready for final review. |
trevorgerhardt
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Nov 2, 2023
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@trevorgerhardt merge commit to combine the use of extents with pixelToCenterX invalidated your review. |
trevorgerhardt
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Nov 2, 2023
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Travel time and accessibility results will be slightly different when computed with workers after this change. Pre-built linkages in saved networks will not be affected - the entire network must be rebuilt to ensure they are consistent, so this requires a network version bump. However we are also updating to Kryo 5 serialization format, so if both changes are introduced at once in a release we need only bump the network version number once.