Topic: sampling
| Tool | Description |
|---|---|
| d.where | Identifies the geographic coordinates associated with point locations given in display coordinates. |
| r.random.cells | Generates random cell values with spatial dependence. |
| r.random | Creates a raster map and vector point map containing randomly located cells and points. |
| t.rast.what | Sample a space time raster dataset at specific vector point coordinates and write the output to stdout using different layouts |
| t.sample | Samples the input space time dataset(s) with a sample space time dataset and print the result to stdout. |
| t.vect.observe.strds | Observes specific locations in a space time raster dataset over a period of time using vector points. |
| t.vect.what.strds | Stores raster map values at spatial and temporal positions of vector points as vector attributes. |
| v.random | Generates random 2D/3D vector points. |
| v.sample | Samples a raster map at vector point locations. |
| v.what.rast | Uploads raster values at positions of vector points to the table. |
| v.what.rast3 | Uploads 3D raster values at positions of vector points to the table. |
| v.what.vect | Uploads vector values at positions of vector points to the table. |
See also the corresponding keyword for additional references:
sampling
- d.where - Identifies the geographic coordinates associated with point locations given in display coordinates.
- r.random - Creates a raster map and vector point map containing randomly located cells and points.
- r.random.cells - Generates random cell values with spatial dependence.
- r.random.weight - Generates a binary raster layer with a random selection of raster cells depending on the weight of each cell in the input weight layer.
- r.sample.category - Create sampling points from each category in a raster map
- t.rast.what - Sample a space time raster dataset at specific vector point coordinates and write the output to stdout using different layouts
- t.rast.what.aggr - Sample a space time raster dataset at specific vector point map returning aggregate values and write the output to stdout or to attribute table
- t.rast.whatcsv - Sample a space time raster dataset at specific space-time point coordinates from a csv file and write the output to stdout
- t.sample - Samples the input space time dataset(s) with a sample space time dataset and print the result to stdout.
- t.vect.observe.strds - Observes specific locations in a space time raster dataset over a period of time using vector points.
- t.vect.what.strds - Stores raster map values at spatial and temporal positions of vector points as vector attributes.
- v.drape - Converts 2D vector features to 3D by sampling of elevation raster map.
- v.extrude - Optionally the height can be derived from sampling of elevation raster map.
- v.kcv - Randomly partition points into test/train sets.
- v.random - Generates random 2D/3D vector points.
- v.rast.stats - Calculates univariate statistics from a raster map based on a vector map and uploads statistics to new attribute columns.
- v.sample - Samples a raster map at vector point locations.
- v.what.rast - Uploads raster values at positions of vector points to the table.
- v.what.rast.label - Uploads raster values and labels to vector point layer
- v.what.rast.multi - Uploads values of multiple rasters at positions of vector points to the table.
- v.what.rast3 - Uploads 3D raster values at positions of vector points to the table.
- v.what.strds - Uploads space time raster dataset values at positions of vector points to the table.
- v.what.strds.timestamp - Uploads space time raster dataset values to the attribute table at positions of vector points in space and time.
- v.what.vect - Uploads vector values at positions of vector points to the table.