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This is the command pkgetmask that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


pkgetmask - program to create mask image based on values in input raster image

SYNOPSIS


pkgetmask -i input -o output [options] [advanced options]

DESCRIPTION


pkgetmask creates a mask raster dataset from an input raster dataset. Values smaller than
the minimum value (-min) or larger than the maximum value (-max) will result in a -nodata
value in the mask.

OPTIONS


-i filename, --input filename
input image file

-o filename, --output filename
Output mask file

-min value, --min value
Values smaller than min threshold(s) are masked as invalid. Use one threshold for
each band

-max value, --max value
Values greater than max threshold(s) are masked as invalid. Use one threshold for
each band

-data value, --data value
value(s) for valid pixels: between min and max

-nodata value, --nodata value
value(s) for invalid pixels: not between min and max

-v level, --verbose level
verbose

Advanced options

-b band, --band band
band(s) used for mask

-p AND|OR, --operator AND|OR
Operator: [AND,OR].

-ot type, --otype type
Data type for output image ({Byte / Int16 / UInt16 / UInt32 / Int32 / Float32 /
Float64 / CInt16 / CInt32 / CFloat32 / CFloat64}). Empty string: inherit type from
input image

-of format, --oformat format
Output image format (see also gdal_translate(1)).

-co option, --co option
Creation option for output file. Multiple options can be specified.

-ct colortable, --ct colortable
color table (file with 5 columns: id R G B ALFA (0: transparent, 255: solid)).

EXAMPLE


create mask, setting all negative values to 0 (rest to 1)

pkgetmask -i input.tif -o output.tif -min 0 -nodata 0 -data 1

create mask. Mask is set to 0 (default value for -nodata) if either band 0 is not between
0 and 10 OR (default operator) band 1 is not between 0 and 250. Else mask is set to 1
(default value for -data)

pkgetmask -i input.tif -o output.tif -min 0 -max 10 -max 0 -max 250 -b 0 -b 1

24 January 2016 pkgetmask(1)

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