Hi all,   Does anyone know if it's possible to create a site model from the topo data I have, all of the tutorials I have watched have had contours across the whole document, mine doesn't appear to have as many. I may well be reading it wrong, as it's the first time i've tried to do this. The document does contain plenty of elevation info as text and 2d shape but there doesn't appear to be any contour lines throughout the entire document as I've seen with others. The only contour lines