jiayuasu commented on code in PR #1078:
URL: https://github.com/apache/sedona/pull/1078#discussion_r1387159838
##########
common/src/main/java/org/apache/sedona/common/raster/RasterBandEditors.java:
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@@ -140,4 +150,133 @@ private static void isRasterSameShape(GridCoverage2D
raster1, GridCoverage2D ras
"Second raster having width of %d and height of %d",
width1, height1, width2, height2));
}
}
+
+ /**
+ * Return a clipped raster with the specified ROI by the geometry
+ * @param raster Raster to clip
+ * @param band Band number to perform clipping
+ * @param geometry Specify ROI
+ * @param noDataValue no-Data value for empty cells
+ * @param crop Specifies to keep the original extent or not
+ * @return A clip Raster with defined ROI by the geometry
+ */
+ public static GridCoverage2D clip(GridCoverage2D raster, int band,
Geometry geometry, double noDataValue, boolean crop) throws FactoryException,
TransformException {
+
+ // Selecting the band from original raster
+ RasterUtils.ensureBand(raster, band);
+ GridCoverage2D singleBandRaster = RasterBandAccessors.getBand(raster,
new int[]{band});
+
+ // Crop the raster
+ // this will shrink the extent of the raster to the geometry
+ Crop cropObject = new Crop();
+ ParameterValueGroup parameters = cropObject.getParameters();
+ parameters.parameter("Source").setValue(singleBandRaster);
Review Comment:
A single band is ok for now.
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