I want to take geometric intersection of line and polygon shapefile. ArcPy has a tool:
arcpy.Identity_analysis
but it is available with "ArcGIS for Desktop Advanced" and I have "ArcGIS for Desktop Basic".
Is there any alternative tool that I can try?
Answer
The Intersect tool should provide a suitable alternative.
Both Intersect and Identity perform line-on-polygon overlays but the former keeps only lines sharing a common geography (which includes all geometric intersections) while the latter keeps all lines.
The same tool may be used to perform polygon-on-polygon overlays (with output_type of "LINE") to get line features where polygons intersect.
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