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Results tagged with overlay
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user 53154
A spatial operation in which two or more maps or layers registered to a common coordinate system are superimposed, either digitally or on a transparent material, for the purpose of showing the relationships between features that occupy the same geographic space.
8
votes
1
answer
6k
views
Generating grid shapefile in R?
The ultimate goal is to use over() in the sp package to overlay this grid onto another file of polygons and count the number of grids intersected by each polygon. …
- 230
4
votes
1
answer
842
views
Grid vs. Polygon Overlay in R gives different results than in QGIS
I next overlay a 5x5 grid onto this map. … :ncell(Grid)
Grid<-as(Grid,"SpatialPixelsDataFrame")
return(Grid)
}
# Create a GridShape object
GridShape<-generateGrid(XMin=-180,XMax=180,YMin=-90,YMax=90,BinSize=5)
Next I attempt to overlay …
- 230