Comments (3)
@thoth291 datashader.Canvas
now supports rasters (.raster
) as input using rasterio
. Any raster format supported by GDAL should work (tif, img, grid, etc.). The raster feature basically skips the aggregate stage of the datashader pipeline and returns an aggregate object which can be used with subsequent transfer functions or for filtering a scatter/line aggregate.
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You're correct. At the moment there is only support for points and lines. Having a Canvas.image()
would be great. I'll discuss with the team and get back to you.
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See discussion at bokeh/bokeh-notebooks#24 ; I answered there because the ocean slider example is a Bokeh example, not one from datashader. I'll rename this issue and keep it here, though, because raster support is definitely something we will be adding to datashader.
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Related Issues (20)
- Support Canvas.lines of 2D xarray with common x coordinates HOT 2
- GPU testing of PRs
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- Flipped axis when plotting geographic data using `shade()` HOT 7
- nyc_buildings notebook shows legend in double and interaction does not work
- "Coordinate is not backed by a Dask array" Errror when lazy loading xarray dataarray HOT 1
- cache numba's functions HOT 2
- Failed to import datashader (missing dependency on dask_expr?) HOT 7
- NumPy 2.0 support HOT 2
- Polygon User Guide Long CSV Download Output HOT 1
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- PanelDeprecationWarning: 'param_value_if_widget' is deprecated and will be removed in version 1.4, use 'transform_reference' instead HOT 4
- Shade missing values when rasterizing Points HOT 2
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- Build badge should only report main
- Remove Dask as a hard dependency of Datashader HOT 1
- `ValueError('y must be real')` when plotting by + rasterize on a sparse dataset HOT 1
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