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t.rast3d.algebra(1) GRASS GIS User's Manual t.rast3d.algebra(1)

t.rast3d.algebra - Apply temporal and spatial operations on space time 3D raster datasets using temporal 3D raster algebra.

temporal, algebra, raster3d, voxel, time

t.rast3d.algebra
t.rast3d.algebra --help
t.rast3d.algebra [-sng] expression=string basename=string [nprocs=integer] [--help] [--verbose] [--quiet] [--ui]

-s

Check the spatial topology of temporally related maps and process only spatially related maps
-n

Register Null maps
-g

Use granularity sampling instead of the temporal topology approach
--help

Print usage summary
--verbose

Verbose module output
--quiet

Quiet module output
--ui

Force launching GUI dialog

expression=string [required]

Algebraic expression for temporal and spatial analysis of space time 3D raster datasets
basename=string [required]

Basename of the new generated output maps
A numerical suffix separated by an underscore will be attached to create a unique identifier
nprocs=integer

Number of r3.mapcalc processes to run in parallel
Default: 1

t.rast3d.algebra performs temporal and spatial map algebra operations on space time 3D raster datasets (STR3DS) by using the temporal 3D raster algebra.

The module expects an expression as input parameter in the following form:

"result = expression"

The statement structure is exact the same as of t.rast.algebra, see t.rast.algebra but allows four-dimensional indexing.

t.rast.algebra t.rast3d.mapcalc r.mapcalc t.vect.algebra t.select

PLY(Python-Lex-Yacc)

Thomas Leppelt, Sören Gebbert, Thünen Institute of Climate-Smart Agriculture

Available at: t.rast3d.algebra source code (history)

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© 2003-2021 GRASS Development Team, GRASS GIS 7.8.6 Reference Manual

GRASS 7.8.6

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