v.what.strds - GRASS GIS manual
Author: GRASS Development Team
Description: v.what.strds: Uploads space time raster dataset values at positions of vector points to the table.
Keywords: vector, temporal, sampling, position, querying, attribute table, time

## NAME

v.what.strds - Uploads space time raster dataset values at positions of vector points to the table.

## KEYWORDS

vector, temporal, sampling, position, querying, attribute table, time

## SYNOPSIS

v.what.strds
v.what.strds --help
v.what.strds [-u] input=name strds=name[,name,...] [output=name] [where=sql_query] [t_where=sql_query] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

### Flags:

-u
  Update attribute table of input vector map
  Instead of creating a new vector map update the attribute table with value(s)
--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:

input=name [required]
  Name of input vector map
  Or data source for direct OGR access
strds=name[,name,...] [required]
  Name of the input space time raster datasets
output=name
  Name for output vector map
where=sql_query
  WHERE conditions of SQL statement without 'where' keyword
  Example: income < 1000 and population >= 10000
t_where=sql_query
  WHERE conditions of SQL statement without 'where' keyword used in the temporal GIS framework
  Example: start_time > '2001-01-01 12:30:00'

## DESCRIPTION

v.what.strds retrieves raster values from a given space-time raster datasets (STRDS) using a point vector map.

## NOTES

TBD.

## EXAMPLES

    v.what.strds input=mypoints strds=mystrds output=newvector

## SEE ALSO

v.what.rast, t.vect.observe.strds

## AUTHOR

Luca Delucchi

## SOURCE CODE

Available at: v.what.strds source code (history)

Accessed: Saturday May 09 11:21:18 2026

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