Probably you are working with the WGS84 as you project CRS. Go to: epsg.io/ enter the region of your interest and click on one of the result. Check then under "Attributes" which Unit the EPSG is using. Then to reproject your DEM data click in QGIS on Raster -> Projections -> Warp a new window will open. Choose for the Input layer, your layer with the DEM data and under Target CRS choose the EPSG that you already looked up with Meters as Unit. Run the process and QGIS will create a new Raster layer with the correct metric CRS. If you unsure if everything worked do a right click on your reprojected layer and click on "Layer Properties" under "Information" you can see if Meter is really used as a Unit. After that the ERROR should not occur.
Great tutorial! Followed your steps but the result is awful. (1) What is the scale of your map? (2) What DEM did you use? (3) Resampling: Bilinear, Average (NOT FOUND), 2 (4) What opacity is used fot topoclip? Maybe your answer could help other as well.
This map was used: en.m.wikipedia.org/wiki/File:Mount_Marcy_New_York_USGS_topo_map_1979.JPG This video shows how it was georeferenced: en.m.wikipedia.org/wiki/File:Mount_Marcy_New_York_USGS_topo_map_1979.JPG. The DEM is SRTM 1-Arc Second. Resampling while georeferencing the map was cubic. Resampling of the DEM for reprojection was nearest neighbour, but probably bilinear will give better visual results. Average is also okay. Opacity for topoclip I'm not sure about. In the video I just clip and use nodata value -9999.
@@HansvanderKwast Many thanx! Topo downloaded, DEM will be. Now I will try to get the same results that you got with the same input files. I will let you know.
Thanks Hals. Many new ideas for me in this your video! I'm already trying to put the processing techniques into practice.
Great job! Thank you very much Hans
How to conwert .asc or .zyx files to grayscale PNG 16 bit?
I get this after shadow depth
ERROR!
Raster data should be projected in a metric system!
Execution failed after 0.01 seconds
pls help
Me too any fix?
@@jajyjay11 nope
Probably you are working with the WGS84 as you project CRS. Go to: epsg.io/ enter the region of your interest and click on one of the result. Check then under "Attributes" which Unit the EPSG is using.
Then to reproject your DEM data click in QGIS on Raster -> Projections -> Warp a new window will open. Choose for the Input layer, your layer with the DEM data and under Target CRS choose the EPSG that you already looked up with Meters as Unit. Run the process and QGIS will create a new Raster layer with the correct metric CRS. If you unsure if everything worked do a right click on your reprojected layer and click on "Layer Properties" under "Information" you can see if Meter is really used as a Unit.
After that the ERROR should not occur.
@@shuppiluliuma2422 No need to reproject DEM. Just the QGIS project itself must be in reprojected CRS. The rest it does itself on-fly.
Great tutorial! Followed your steps but the result is awful.
(1) What is the scale of your map? (2) What DEM did you use? (3) Resampling: Bilinear, Average (NOT FOUND), 2 (4) What opacity is used fot topoclip? Maybe your answer could help other as well.
This map was used: en.m.wikipedia.org/wiki/File:Mount_Marcy_New_York_USGS_topo_map_1979.JPG
This video shows how it was georeferenced: en.m.wikipedia.org/wiki/File:Mount_Marcy_New_York_USGS_topo_map_1979.JPG.
The DEM is SRTM 1-Arc Second.
Resampling while georeferencing the map was cubic. Resampling of the DEM for reprojection was nearest neighbour, but probably bilinear will give better visual results. Average is also okay. Opacity for topoclip I'm not sure about. In the video I just clip and use nodata value -9999.
@@HansvanderKwast Many thanx! Topo downloaded, DEM will be. Now I will try to get the same results that you got with the same input files. I will let you know.
Amazing.... Congratulations!!
Well presented. thanks for building capacity
Amazing video! Thank you.
Great View Thank you Mr Hans
it's very helpful video, thank you so much
This is cool, thanks
perfect, thnaks
Master wow
excellent video, I bough your book