Re: [Qgis-user] Slope map creation

2020-04-27 Thread Nicolas Cadieux
Hi, That data is in long/lat for x and y and in meters for z. You need to find the correct z factor or save the data in a projected crs where x,y,z are all in meters. You can ball parc this value or if this is for important stuff, calculate it for each centre of each tile. I have a python

Re: [Qgis-user] Slope map creation

2020-04-27 Thread Raymond Nijssen
Hi Stefano, Could it be your data is "unprojected"? (your map units are in degrees?) Raymond On 27-04-2020 10:47, stefano borello wrote: Dear QGIS Support, I am Stefano Borello from Italy and I have a problem regarding the creation of a Slope map. I downloaded the DEM from Earthexplorer,

[Qgis-user] Slope map creation

2020-04-27 Thread stefano borello
Dear QGIS Support, I am Stefano Borello from Italy and I have a problem regarding the creation of a Slope map. I downloaded the DEM from Earthexplorer, in the specific a SRTM 30 m resolution. When I applied the Raster analysis the final result is a bit strange and the final results are wrong.