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GRASS GIS 7.8.5 Reference Manual

Geographic Resources Analysis Support System, commonly referred to as GRASS GIS, is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.

This reference manual details the use of modules distributed with Geographic Resources Analysis Support System (GRASS), an open source (GNU GPLed), image processing and geographic information system (GIS). Go to temporal introduction | topics

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Temporal commands

t.connectPrints/sets general temporal GIS database connection for current mapset.
t.createCreates a space time dataset.
t.infoLists information about space time datasets and maps.
t.listLists space time datasets and maps registered in the temporal database.
t.mergeMerges several space time datasets into a single space time dataset.
t.rast.accdetectDetects accumulation patterns in temporally accumulated space time raster datasets created by t.rast.accumulate.
t.rast.accumulateComputes cyclic accumulations of a space time raster dataset.
t.rast.aggregate.dsAggregates data of an existing space time raster dataset using the time intervals of a second space time dataset.
t.rast.aggregateAggregates temporally the maps of a space time raster dataset by a user defined granularity.
t.rast.algebraApply temporal and spatial operations on space time raster datasets using temporal raster algebra.
t.rast.colorsCreates/modifies the color table associated with each raster map of the space time raster dataset.
t.rast.contourProduces a space time vector dataset of specified contours from a space time raster dataset.
t.rast.exportExports space time raster dataset.
t.rast.extractExtracts a subset of a space time raster datasets.
t.rast.gapfillReplaces gaps in a space time raster dataset with interpolated raster maps.
t.rast.importImports space time raster dataset.
t.rast.listLists registered maps of a space time raster dataset.
t.rast.mapcalcPerforms spatio-temporal mapcalc expressions on temporally sampled maps of space time raster datasets.
t.rast.neighborsPerforms a neighborhood analysis for each map in a space time raster dataset.
t.rast.out.vtkExports space time raster dataset as VTK time series.
t.rast.seriesPerforms different aggregation algorithms from r.series on all or a subset of raster maps in a space time raster dataset.
t.rast.to.rast3Converts a space time raster dataset into a 3D raster map.
t.rast.to.vectConverts a space time raster dataset into a space time vector dataset
t.rast.univarCalculates univariate statistics from the non-null cells for each registered raster map of a space time raster dataset.
t.rast.whatSample a space time raster dataset at specific vector point coordinates and write the output to stdout using different layouts
t.rast3d.algebraApply temporal and spatial operations on space time 3D raster datasets using temporal 3D raster algebra.
t.rast3d.extractExtracts a subset of a space time 3D raster dataset.
t.rast3d.listLists registered maps of a space time raster3d dataset.
t.rast3d.mapcalcPerforms r3.mapcalc expressions on maps of sampled space time 3D raster datasets.
t.rast3d.univarCalculates univariate statistics from the non-null cells for each registered 3D raster map of a space time 3D raster dataset.
t.registerAssigns timestamps and registers raster, vector and raster3d maps in a space time dataset.
t.removeRemoves space time datasets from temporal database.
t.renameRenames a space time dataset
t.sampleSamples the input space time dataset(s) with a sample space time dataset and print the result to stdout.
t.selectSelect maps from space time datasets by topological relationships to other space time datasets using temporal algebra.
t.shiftShifts temporally the maps of a space time dataset.
t.snapSnaps temporally the maps of a space time dataset.
t.supportModifies the metadata of a space time dataset.
t.topologyLists temporal topology of a space time dataset.
t.unregisterUnregisters raster, vector and raster3d maps from the temporal database or a specific space time dataset.
t.vect.algebraApply temporal and spatial operations on space time vector datasets using temporal vector algebra.
t.vect.db.selectPrints attributes of vector maps registered in a space time vector dataset.
t.vect.exportExports a space time vector dataset as GRASS GIS specific archive file.
t.vect.extractExtracts a subset of a space time vector dataset.
t.vect.importImports a space time vector dataset from a GRASS GIS specific archive file.
t.vect.listLists registered maps of a space time vector dataset.
t.vect.observe.strdsObserves specific locations in a space time raster dataset over a period of time using vector points.
t.vect.univarCalculates univariate statistics of attributes for each registered vector map of a space time vector dataset
t.vect.what.strdsStores raster map values at spatial and temporal positions of vector points as vector attributes.

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© 2003-2020 GRASS Development Team, GRASS GIS 7.8.5 Reference Manual

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GRASS 7.8.5 GRASS GIS User's Manual