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GRASS GIS 7.6.0 Reference Manual

       Geographic  Resources  Analysis  Support  System,  commonly  referred  to  as  GRASS, 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

       Go back to help overview

   Temporal commands:
       t.connect                                                    Prints/sets  general  temporal  GIS  database connection for
                                                                    current mapset.

       t.create                                                     Creates a space time dataset.

       t.info                                                       Lists information about space time datasets and maps.

       t.list                                                       Lists  space  time  datasets  and  maps  registered  in  the
                                                                    temporal database.

       t.merge                                                      Merges  several space time datasets into a single space time
                                                                    dataset.

       t.rast.accdetect                                             Detects  accumulation  patterns  in  temporally  accumulated
                                                                    space time raster datasets created by t.rast.accumulate.

       t.rast.accumulate                                            Computes   cyclic  accumulations  of  a  space  time  raster
                                                                    dataset.

       t.rast.aggregate.ds                                          Aggregates data of an existing  space  time  raster  dataset
                                                                    using the time intervals of a second space time dataset.

       t.rast.aggregate                                             Aggregates  temporally  the  maps  of  a  space  time raster
                                                                    dataset by a user defined granularity.

       t.rast.algebra                                               Apply temporal and spatial operations on space  time  raster
                                                                    datasets using temporal raster algebra.

       t.rast.colors                                                Creates/modifies the color table associated with each raster
                                                                    map of the space time raster dataset.

       t.rast.contour                                               Produces a space time vector dataset of  specified  contours
                                                                    from a space time raster dataset.

       t.rast.export                                                Exports space time raster dataset.

       t.rast.extract                                               Extracts a subset of a space time raster datasets.

       t.rast.gapfill                                               Replaces   gaps   in   a  space  time  raster  dataset  with
                                                                    interpolated raster maps.

       t.rast.import                                                Imports space time raster dataset.

       t.rast.list                                                  Lists registered maps of a space time raster dataset.

       t.rast.mapcalc                                               Performs spatio-temporal mapcalc expressions  on  temporally
                                                                    sampled maps of space time raster datasets.

       t.rast.neighbors                                             Performs  a  neighborhood  analysis  for each map in a space
                                                                    time raster dataset.

       t.rast.out.vtk                                               Exports space time raster dataset as VTK time series.

       t.rast.series                                                Performs different aggregation algorithms from  r.series  on
                                                                    all  or  a  subset  of  raster  maps  in a space time raster
                                                                    dataset.

       t.rast.to.rast3                                              Converts a space time raster dataset into a 3D raster map.

       t.rast.to.vect                                               Converts a space time  raster  dataset  into  a  space  time
                                                                    vector dataset

       t.rast.univar                                                Calculates univariate statistics from the non-null cells for
                                                                    each registered raster map of a space time raster dataset.

       t.rast.what                                                  Sample a space time raster dataset at specific vector  point
                                                                    coordinates  and  write the output to stdout using different
                                                                    layouts

       t.rast3d.algebra                                             Apply temporal and  spatial  operations  on  space  time  3D
                                                                    raster datasets using temporal 3D raster algebra.

       t.rast3d.extract                                             Extracts a subset of a space time 3D raster dataset.

       t.rast3d.list                                                Lists registered maps of a space time raster3d dataset.

       t.rast3d.mapcalc                                             Performs  r3.mapcalc  expressions  on  maps of sampled space
                                                                    time 3D raster datasets.

       t.rast3d.univar                                              Calculates univariate statistics from the non-null cells for
                                                                    each  registered  3D  raster  map  of a space time 3D raster
                                                                    dataset.

       t.register                                                   Assigns timestamps and registers raster, vector and raster3d
                                                                    maps in a space time dataset.

       t.remove                                                     Removes space time datasets from temporal database.

       t.rename                                                     Renames a space time dataset

       t.sample                                                     Samples  the input space time dataset(s) with a sample space
                                                                    time dataset and print the result to stdout.

       t.select                                                     Select  maps  from  space  time  datasets   by   topological
                                                                    relationships  to  other  space time datasets using temporal
                                                                    algebra.

       t.shift                                                      Shifts temporally the maps of a space time dataset.

       t.snap                                                       Snaps temporally the maps of a space time dataset.

       t.support                                                    Modifies the metadata of a space time dataset.

       t.topology                                                   Lists temporal topology of a space time dataset.

       t.unregister                                                 Unregisters  raster,  vector  and  raster3d  maps  from  the
                                                                    temporal database or a specific space time dataset.

       t.vect.algebra                                               Apply  temporal  and spatial operations on space time vector
                                                                    datasets using temporal vector algebra.

       t.vect.db.select                                             Prints attributes of vector maps registered in a space  time
                                                                    vector dataset.

       t.vect.export                                                Exports  a  space  time vector dataset as GRASS GIS specific
                                                                    archive file.

       t.vect.extract                                               Extracts a subset of a space time vector dataset.

       t.vect.import                                                Imports a  space  time  vector  dataset  from  a  GRASS  GIS
                                                                    specific archive file.

       t.vect.list                                                  Lists registered maps of a space time vector dataset.

       t.vect.observe.strds                                         Observes  specific  locations in a space time raster dataset
                                                                    over a period of time using vector points.

       t.vect.univar                                                Calculates univariate  statistics  of  attributes  for  each
                                                                    registered vector map of a space time vector dataset

       t.vect.what.strds                                            Stores  raster  map values at spatial and temporal positions
                                                                    of vector points as vector attributes.

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.6.0 Reference Manual