TransDEM Forum

Just finished doing a GSD on a couple 1/3 files. For the new GIS people GSD = (Ground Sampling Distance). I found a range between 8.2 -11.7 meters with their current saved format. Many professors just said that for the most part you can assume that 1/3 will have at least a resolution of 15 x 15 ...

To start I downloaded all 1/9 dem's for the state of delaware. I then imported the dem into arcmap 10.1 and processed the dem's for the USGS quadrant tiles 7.5. My plan was to work one quadrant at a time and merge them together as I finish them. As you know states in many cases do not have a perfect ...