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

       Sören Gebbert, Thünen Institute of Climate-Smart Agriculture

       The module t.vect.what.strds samples a space time raster dataset (STRDS) at the spatio-temporal locations
       of a space time vector dataset (STVDS).

       The example is based on the space time vector dataset "precip_stations@climate_2009_2012" created in  the
       t.vect.observe.strds  example.   In  the  example  below, the module fills the new column "new_temp" with
       values extracted from the "tempmean_monthly" space time raster dataset:
       t.vect.what.strds input=precip_stations@climate_2009_2012 \
                         strds=tempmean_monthly@climate_2009_2012 \
                         column=new_temp method=average

       temporal, sampling, vector, time

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

r.univar,v.univar,v.what.rast,v.what.rast3,v.what.strds,v.what.vect,t.create,t.info

       Available at: t.vect.what.strds source code (history)

       Accessed: Friday Apr 04 01:21:15 2025

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       © 2003-2025 GRASS Development Team, GRASS GIS 8.4.1 Reference Manual

GRASS 8.4.1                                                                            t.vect.what.strds(1grass)

t.vect.what.strdst.vect.what.strds--helpt.vect.what.strdsinput=namestrds=name     [column=string]     method=string     [where=sql_query]
       [t_where=sql_query]   [sampling=name[,name,...]]   [--help]  [--verbose]  [--quiet]  [--ui]

   Flags:--help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

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

       strds=name[required]
           Name of the input space time raster dataset

       column=string
           Name of the vector column to be created and to store sampled raster values
           The use of a column name forces t.vect.what.rast to sample only values from the first map found in an
           interval. Otherwise the raster map names are used as column names

       method=string[required]
           Aggregate operation to be performed on the raster maps
           Options:  disabled,average,count,median,mode,minimum,min_raster,maximum,max_raster,stddev,range,sum,variance,diversity,slope,offset,detcoeff,quart1,quart3,perc90,quantile,skewness,kurtosis
           Default: disabledwhere=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’

       sampling=name[,name,...]
           The method to be used for sampling the input dataset
           Options: start,during,overlap,contain,equal,follows,precedes
           Default: start