Re: [Qgis-user] sampling points from multipe rasters

2020-05-05 Thread Tyler Smith
Thanks Matt! That was easy. It only took about a minute to sample 10,000 points from 30 layers into a single shapefile, and from there save to csv. I'll investigate using gpkg directly from R in future. Best, Tyler Matt Boyd writes: Hi Tyler, the point sampling tool plugin will allow you

Re: [Qgis-user] sampling points from multipe rasters

2020-05-04 Thread Matt Boyd
Hi Tyler, the point sampling tool plugin will allow you to select multiple rasters to sample from and output to the same file. It also allows you to save the results in a number of different formats (geopackage, csv and shapefile). If you've got access to python in your version of R then geopandas

[Qgis-user] sampling points from multipe rasters

2020-05-04 Thread Tyler Smith
Hi, I have 30 raster layers, and I need to sample 10,000 random points from each layer (using the same set of points each time). I think my options are: 1. Create a virtual raster, and sample. This has the downside that the identify of the 30 layers will be replaced by generic 'band1',