[Qgis-user] Error when running a simple raster filter

Hi, I am a new starter on QGIS and would like some instructions to resolve a problem. I am following a tutorial (QGIS for Archaeologists - a basic guide) and trying to 'de-trend' a LIDAR map. When I run the sequence: *Processing: toolbox, geoalgorithms, filter tools, simple filter run* I get

[Qgis-user] Combining modern maps with old maps

Hello guys i am a private researcher who is analyzing where some former old buildings has been most surely been located. For that of course i have sometimes just a very old map (sometimes a picture or a scan). How would be the best way to "overlap" this with a modern map like OSM. I am sure

Re: [Qgis-user] Combining modern maps with old maps

Hi, As an archaeologist, I do that a lot. You will need to scan the map to create a .tiff. The you use the qgis georeferencing plugin to place the map in the correct spot. http://www.qgistutorials.com/en/docs/georeferencing_basics.html This should help. Also look at the qgis documentation.

Re: [Qgis-user] Error when running a simple raster filter

Hi, Not sure why you are getting this specific error. Just try running it is Saga. It's already installed with QGIS. Saga is easy to use. Is this the first time you have installed QGIS or did you have a previous version installed? Did you have a 32bit install before? Nicolas > Le 10 nov. 20

[Qgis-user] Spatial resampling of a point vector layer using QGIS

down votefavorite I have a vector layer with points located on a regular square grid of 2Km. The layer has a column with a numeric value (crop yield) for each point. I would like to resample the v