What is the average income for housing units (middle, mixed, family, etc.) within a 2 mile radius of parks for the City of Anaheim? or What is the average number of parks within the 1/2 mile radius ...
Is it possible to extract many municipalities out of a state map at once? I mean not to have to do the QUERY for each and one of them? Thanks in advance.
Is it possible to run a reverse query? In other words, I have a master shapefile and a derived shapefile containing data extracted from the master file, but don't know what criteria the extraction ...
From two layers in PostGIS (osm_places and osm_roads), I would need to have the roads belonging to a certain city. It would be fair enough to get the street names of all streets in a radius of X ...
I use the package maptools to read in Shapefiles in R. I would like to know if there is a function that can built up a query/subset to select only some Polygons based on a specific attribute in the ...
Is there a way to categorize locations by lat-long in MS Access using caparisons to shapefiles?