I would like to make contours of elevations. My text file which contain lat, lon and elevation data set. I want to genterate contours of this elevation data set.on this help vedio anddocumentations i able to prepare this code as starting
But getting error.
I also want to set a shape file as back ground of these contours.Any guide line will be highly appriciable.
My text file data and shape file has been attached with this post