Hi
Below is some code that does what I think you want by drawing a path
based on the map data. This does some grubby low-level work with the
'sp' objects that someone else may be able to tidy up
# The 21st polygon in 'hello' is the big outer boundary
# PLUS the 20 other inner holes
map <- a
Hi, I have done the interpolation for my data and I was able to create the
contours in multipanel with the help of Pascal. Now, I want to clip the
contour with the shapefile. I want only the portion of contour to be
displayed which falls inside the boundary of the shapefile.
The data mydata.csv ca
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