topic_sampling.1grass - Man Page

Topic: sampling

d.whereIdentifies the geographic coordinates associated with point locations given in display coordinates.
r.random.cellsGenerates random cell values with spatial dependence.
r.randomCreates a raster map layer and vector point map containing randomly located points.
t.rast.whatSample a space time raster dataset at specific vector point coordinates and write the output to stdout using different layouts
t.sampleSamples the input space time dataset(s) with a sample space time dataset and print the result to stdout.
t.vect.observe.strdsObserves specific locations in a space time raster dataset over a period of time using vector points.
t.vect.what.strdsStores raster map values at spatial and temporal positions of vector points as vector attributes.
v.randomGenerates random 2D/3D vector points.
v.sampleSamples a raster map at vector point locations.
v.what.rastUploads raster values at positions of vector points to the table.
v.what.rast3Uploads 3D raster values at positions of vector points to the table.
v.what.vectUploads vector values at positions of vector points to the table.

See also the corresponding keyword sampling for additional references.

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