feat(sedona-gdal): add high-level safe GDAL API wrappers#682
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feat(sedona-gdal): add high-level safe GDAL API wrappers#682Kontinuation wants to merge 5 commits intoapache:mainfrom
Kontinuation wants to merge 5 commits intoapache:mainfrom
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Add the sedona-gdal crate providing runtime-loaded GDAL FFI bindings via libloading. This includes the SedonaGdalApi function-pointer struct, dynamic symbol loading, the GdalApi handle with call_gdal_api! macro, error types, and global API registration.
- Introduce GdalApiBuilder with lazy initialization pattern (similar to sedona-proj's ProjCrsEngineBuilder): configure_global_gdal_api now stores a builder in a Mutex, and get_global_gdal_api builds the API on first access. This allows callers to override configuration before the first GDAL operation. - Add compile_error! for unsupported platforms (non-unix, non-windows) in current_process_library. - Add 9 unit tests covering loading errors, symbol loading, builder configuration, and global API access.
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Add safe Rust wrappers on top of the dynamically loaded GDAL bindings: Dataset, Driver, RasterBand, SpatialRef, Geometry, Feature, Layer, VRT, VSI, rasterize, polygonize, and supporting types. These APIs use the georust/gdal v0.19.0 crate as a reference (see file-level doc comments for attribution).
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Summary
Dataset,Driver/DriverManager,RasterBand,SpatialRef,Geometry,Feature,Layer, VRT dataset builder, VSI virtual filesystem,rasterize,rasterize_affine,polygonize,GeoTransform,CslStringList,MemDatasetBuilder, and supporting types.Depends on #681.