Whenever you first learned AutoCAD, there’s a good chance at least some portion of the class/book included a discussion about the Cartesian coordinate system used throughout AutoCAD. I’ll spare you the details, but to summarize coordinates help us identify the…
While importing surface data from Google Earth is probably the easiest way to get some conceptual topographical data into your drawings, DEM’s have to be a close second. For the uninitiated, DEM’s or Digital Elevation Models could be described as…
For one reason or another drawings sometimes need to be moved from one coordinate system (datum) to another. A classic example may be moving from a NAD 27 datum to a NAD 83. Whatever the case may be, how might…