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Fixes #733: add cost_distance() for weighted proximity #859

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Fixes #733: add cost_distance() for weighted proximity #859

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adb5acf
Fixes #733: add cost_distance() for weighted proximity via multi-sour…
brendancol Feb 22, 2026
868c843
Add cost_distance to README feature matrix
brendancol Feb 22, 2026
1b2754b
Add k-d tree dask path for unbounded proximity to avoid single-chunk …
brendancol Feb 22, 2026
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -192,6 +192,7 @@ In the GIS world, rasters are used for representing continuous phenomena (e.g. e
| Name | Description | NumPy xr.DataArray | Dask xr.DataArray | CuPy GPU xr.DataArray | Dask GPU xr.DataArray |
|:----------:|:------------|:----------------------:|:--------------------:|:-------------------:|:------:|
| [Allocation](xrspatial/proximity.py) | Assigns each cell to the identity of the nearest source feature | ✅️ | ✅ | | |
| [Cost Distance](xrspatial/cost_distance.py) | Computes minimum accumulated cost to the nearest source through a friction surface | ✅️ | ✅ | | |
| [Direction](xrspatial/proximity.py) | Computes the direction from each cell to the nearest source feature | ✅️ | ✅ | | |
| [Proximity](xrspatial/proximity.py) | Computes the distance from each cell to the nearest source feature | ✅️ | ✅ | | |

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