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PROGRAM:

NAME


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

KEYWORDS


temporal, export, 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:
-p
Create VTK point data instead of VTK cell data (if no elevation map is given)

-c
Correct the coordinates to fit the VTK-OpenGL precision

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

--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 raster dataset

directory=string [required]
Path to the export directory

elevation=name
Name of input elevation raster map

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’

null=float
Value to represent no data cell
Default: -99999.99

DESCRIPTION


This module 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 directoy
/tmp/test1.
mkdir /tmp/export
t.rast.out.vtk input=precip_abs expdir=/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

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