clip a SpatialPolygonsDataFrame
Thank you for your answer...so quick. i needed to clip my map because i have realised a Kernel Density Estimation for successive years. I have then animated this KDE. Thus, we can see the evolution of density estimation running from year to year. I wanted to insert a map in the background in order to situate this analysis. It only concern one part of France so i tried to clip the map in order to match with the window of the KDE...but it doesn't work. Do you know how i can have a fixed map and add a KDE animated on it ?
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