Tagged Questions

5
votes
3answers
689 views

How to interpolate into polygons?

I need to interpolate values from points to polygons. I have a point shapefile and a shapefile of adjacent polygons. Some polygons get several points falling inside, some have nothing. I thought ...
0
votes
0answers
127 views

Overlay polygon layer A over Polygon layer B

If I overlay postal codes (Zip Codes in US) over census tracts where postal codes are usually larger than census tracts, how can I get a table of what percentage of the area of the census tracts are ...