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t.rast.out.vtk(1grass) GRASS User's Manual t.rast.out.vtk(1grass)

NAME

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

KEYWORDS

temporal, export, output, raster, VTK, time

SYNOPSIS

t.rast.out.vtk
t.rast.out.vtk --help
t.rast.out.vtk [-pcg] input=name directory=string [elevation=name] [where=sql_query] [null=float] [--help] [--verbose] [--quiet] [--ui]

Flags:


Create VTK point data instead of VTK cell data (if no elevation map is given)

Correct the coordinates to fit the VTK-OpenGL precision

Export files using the space time dataset granularity for equidistant time between maps, where statement will be ignored

Print usage summary

Verbose module output

Quiet module output

Force launching GUI dialog

Parameters:


Name of the input space time raster dataset

Path to the export directory

Name of input elevation raster map

WHERE conditions of SQL statement without ’where’ keyword used in the temporal GIS framework
Example: start_time > ’2001-01-01 12:30:00’

Value to represent no data cell
Default: -99999.99

DESCRIPTION

t.rast.out.vtk exports all maps registered in a space time raster datasets as VTK legacy files using a numerical numbering scheme. The VTK files can be visualized with any VTK based visualize. Our preferred tool is ParaView. The VTK legacy files are created using r.out.vtk.

EXAMPLE

In this simple example we create several raster maps with random values and one elevation map. The random value raster maps are registered in a space time raster dataset. All maps of this space time raster dataset are exported using t.rast.out.vtk into the directory /tmp/export. 

mkdir /tmp/export
t.rast.out.vtk input=precip_abs directory=/tmp/export/ elevation=elevation
ls -1 /tmp/export
000000_tempmean_monthly.vtk
000001_tempmean_monthly.vtk
000002_tempmean_monthly.vtk
000003_tempmean_monthly.vtk
000004_tempmean_monthly.vtk
000005_tempmean_monthly.vtk
000006_tempmean_monthly.vtk
000007_tempmean_monthly.vtk
000008_tempmean_monthly.vtk
000009_tempmean_monthly.vtk
000010_tempmean_monthly.vtk
000011_tempmean_monthly.vtk

SEE ALSO

r.out.vtk, ParaView

AUTHOR

Sören Gebbert, Thünen Institute of Climate-Smart Agriculture

SOURCE CODE

Available at: t.rast.out.vtk source code (history)

Latest change: Thursday Dec 18 07:11:47 2025 in commit: cf870a5e49fd2643a55de543467edf5c2e61d640

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© 2003-2026 GRASS Development Team, GRASS 8.5.0RC1 Reference Manual

GRASS 8.5.0RC1