r.tile - Splits a raster map into tiles.
Contents
Description
r.tile retiles an existing raster map with user defined x and y tile size.
Example
Retiling example for the North Carolina DEM:
g.region raster=elevation -p
# rows: 1350
# cols: 1500
# generating 2 x 2 = 4 tiles (width=1500/2, height=rows/2)
r.tile input=elevation output=elev_tile width=750 height=675
creates 4 tiles with the prefix elev_tile (named: elev_tile-000-000, elev_tile-000-001,
elev_tile-001-000, ...).
Keywords
raster, tiling
Name
r.tile - Splits a raster map into tiles.
Notes
r.tile generates a separate raster for each tile. This is equivalent to running g.region along with
r.resample in a double loop.
The module can be used to split a large raster map into smaller tiles, e.g. for further parallelized
analysis on a cluster computing system.
The overlap is defined in rows/columns.
See Also
g.region,r3.retile
Source Code
Available at: r.tile source code (history)
Accessed: Friday Apr 04 01:19:42 2025
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© 2003-2025 GRASS Development Team, GRASS GIS 8.4.1 Reference Manual
GRASS 8.4.1 r.tile(1grass)
Synopsis
r.tiler.tile--helpr.tileinput=nameoutput=stringwidth=integerheight=integer [overlap=integer] [--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 input raster map
output=string[required]
Output base name
width=integer[required]
Width of tiles (columns)
height=integer[required]
Height of tiles (rows)
overlap=integer
Overlap of tiles
