.TH topic_sampling 1grass "" "GRASS 7.8.5" "GRASS GIS User's Manual" .SH Topic: sampling .TS expand; lw60 lw1 lw60. T{ d.where T} T{ Identifies the geographic coordinates associated with point locations given in display coordinates. T} .sp 1 T{ r.random.cells T} T{ Generates random cell values with spatial dependence. T} .sp 1 T{ r.random T} T{ Creates a raster map layer and vector point map containing randomly located points. T} .sp 1 T{ t.rast.what T} T{ Sample a space time raster dataset at specific vector point coordinates and write the output to stdout using different layouts T} .sp 1 T{ t.sample T} T{ Samples the input space time dataset(s) with a sample space time dataset and print the result to stdout. T} .sp 1 T{ t.vect.observe.strds T} T{ Observes specific locations in a space time raster dataset over a period of time using vector points. T} .sp 1 T{ t.vect.what.strds T} T{ Stores raster map values at spatial and temporal positions of vector points as vector attributes. T} .sp 1 T{ v.random T} T{ Generates random 2D/3D vector points. T} .sp 1 T{ v.sample T} T{ Samples a raster map at vector point locations. T} .sp 1 T{ v.what.rast T} T{ Uploads raster values at positions of vector points to the table. T} .sp 1 T{ v.what.rast3 T} T{ Uploads 3D raster values at positions of vector points to the table. T} .sp 1 T{ v.what.vect T} T{ Uploads vector values at positions of vector points to the table. T} .sp 1 .TE .PP \fISee also the corresponding keyword sampling for additional references.\fR .PP Main index | Topics index | Keywords index | Graphical index | Full index .PP © 2003\-2020 GRASS Development Team, GRASS GIS 7.8.5 Reference Manual