RapidPolygonLookup-package |
Polygon lookup using kd trees |
AddRanges |
Add xlim and ylim for each polygon |
california.tract10 |
Census Tract spatial polygons for the state of California |
CropSpatialPolygonsDataFrame |
Crop polygons to bounding box and adds polygon centers |
DiagnoseFailure |
Visualize points that could not be mapped using RapidPolygonLookup() |
FindPolygonInRanges |
Use range-search to map points to polygon. |
RapidPolygonLookup |
Efficient spatial polygon search using kd-trees. |
SearchForPolygon |
Use kd-trees to search the nearest neighbour polygons for a given set of points |
sf.crime.2012 |
Sample data with lat/long information |
sf.polys |
Spatial polygons of San Francisco |