Timeline for Is there a way to Alter Elevation Values of Pixles of a DEM based on BM and Control point elevation from actual Field survey?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 1, 2015 at 10:14 | vote | accept | Ibsham | ||
| Aug 30, 2015 at 4:23 | comment | added | FelixIP | Sample your points using DEM. In points table calculate difference between elevations. Interpolate this difference using any method, e.g. IDW. Sum original DEM with 'correction' raster | |
| Aug 29, 2015 at 11:57 | answer | added | Blerg | timeline score: 1 | |
| Aug 29, 2015 at 7:38 | comment | added | Ibsham | Thank you for your Response. Available software are Arcgis and global mapper . What i wish is that DEM adjusts its elevation values based on elevation values of Bench mark points that have accurate elevations from site survey. | |
| Aug 28, 2015 at 5:43 | comment | added | Blerg | Please specify what software is available and how exactly you wish to alter the DEM values. Raster calculations are of course possible on different GIS but it's hard to answer properly without more information. For instance, do you wish to simply add or subtract 12 feet to all pixels, or something more elaborate? | |
| Aug 28, 2015 at 5:40 | review | First posts | |||
| Aug 28, 2015 at 6:52 | |||||
| Aug 28, 2015 at 5:37 | history | asked | Ibsham | CC BY-SA 3.0 |