Online Trick

Use Case: Make Contour Lines for Google Earth with Spatial R

Here's comes a script I wrote for creating contour lines in KML-format to be used with Google Earth https://github.com/gimoya/onlinetrickpdf-Archives/blob/master/R/r_contours_for_google_earth.R

If you want to check or just use the datasets I created for the Alps region, you can download it here: http://terrain-overlays.blogspot.co.at/index.html