So I have an extremely large file that I need to import into ArcGIS. It is a 7gb tiff file, which is a DEM. I have tried compressing to a 7z file which I now realise you can't open in GIS anyway. Does anybody have an ideas on how I can make the file smaller to be able to import it? I am on university servers which doesn't help!
Hi, I have spoken to my tutor about it. Unfortunately she isn't that clued up on GIS so doesn't really understand the problem. It is a DEM, and it needs to be kept in the same res! :confused: Can you expand on the split raster? That sounds more promising.
Ultimate aim is to be able to read the x, y, z co-ordinates and fit a plane to the base. Its for measuring the volume of lava around a volcano. Kinda have to be able to do it! There must be a way of compressing it haha. The only problem is, I can't actually get the DEM in to ArcGIS in the first place...the computer says no before its loaded. So I'm going to have to resolve this before I import it.
Have tried cropping in photoshop, but it looks a bit weird. Trying to figure out now if it has messed up the pixel size...