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NAME

       t.create  - Creates a space time dataset.

KEYWORDS

       temporal, map management, create, time

SYNOPSIS

       t.create
       t.create --help
       t.create  output=name  [type=name]   [temporaltype=name]  semantictype=string title=string
       description=string  [--overwrite]  [--help]  [--verbose]  [--quiet]  [--ui]

   Flags:
       --overwrite
           Allow output files to overwrite existing files

       --help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

   Parameters:
       output=name [required]
           Name of the output space time dataset

       type=name
           Type of the output space time dataset
           Options: strds, stvds, str3ds
           Default: strds

       temporaltype=name
           The temporal type of the space time dataset
           Options: absolute, relative
           Default: absolute

       semantictype=string [required]
           Semantic type of the space time dataset
           Options: min, max, sum, mean
           Default: mean

       title=string [required]
           Title of the new space time dataset

       description=string [required]
           Description of the new space time dataset

DESCRIPTION

       t.create is used to create space time datasets of type raster (STRDS), 3D raster  (STR3DS)
       and vector (STVDS).

       Space time datasets represent spatio-temporal fields in the temporal GRASS framework. They
       are designed to collect any amount of time stamped  maps  with  time  intervals  and  time
       instances.  The  temporal type of a space time dataset can be absolute (means with a fixed
       date) or relative (only sequential maps) and must be set  during  dataset  creation  along
       with the name and the description.

       Time  stamped  maps  can  registered  in  and  unregistered  from space time datasets. The
       spatio-temporal extent as well as the metadata of a space time dataset is derived from its
       registered maps. Hence the metadata is dependent from the dataset type (raster, 3D raster,
       vector).

EXAMPLE

   Absolute STRDS dataset
       Create a raster space time datasets
       t.create type=strds temporaltype=absolute \
                output=precipitation_monthly \
                title="Monthly precipitation" \
                description="Dataset with monthly precipitation"

   Relative STVDS dataset
       Create a vector space time datasets
       t.create type=stvds temporaltype=relative \
                output=precipitation_monthly_30y \
                title="Monthly precipitation 30 years" \
                description="Test dataset with monthly average \
                precipitation in the last 30 year"

SEE ALSO

        t.register, t.remove, t.info

AUTHOR

       Sören Gebbert, Thünen Institute of Climate-Smart Agriculture

       Last changed: $Date: 2015-09-22 14:04:47 +0200 (Tue, 22 Sep 2015) $

SOURCE CODE

       Available at: t.create source code (history)

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