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PROGRAM:

NAME


pkcreatect - program to create and import colour table to GTiff image

SYNOPSIS


pkcreatect -i input -o output [-ct colortable | -min value -max value] [options] [advanced
options]

DESCRIPTION


pkcreatect is a utility to include a color table to a raster dataset. You can either
define an existing color table (ASCII text file) with the option -ct or define a minimum
(-min) and maximum (-max) value.

OPTIONS


-i filename, --input filename
input image

-o filename, --output filename
output classification image

-ct filename, --ct filename
colour table in ASCII format having 5 columns: id R G B ALFA (0: transparent, 255:
solid)

-min number, --min number
minimum value

-max number, --max number
maximum value

options

-g, --grey
grey scale

-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.

-d description, --description description
Set image description

-v, --verbose
verbose

Advanced options

-l filename, --filename filename
Create legend as png file

-dim cols -dim rows, --dim cols --dim rows
number of columns and rows in legend.

EXAMPLE


Attach a color table to image with values between 0 and 50

pkcreatect -i image.tif -o image_ct.tif -min 0 -max 50

Attach a grey scale "color" table to image with values between 0 and 100 and create a
legend image (annotation needs to be drawn manually)

pkcreatect -i image.tif -o image_ct.tif -min 0 -max 100 -l legend.tif -g

Attach a predefined color table to image.tif. The colortable has 5 entries for the values
0 (black), 1 (red), 2 (green), 3 (blue) and 4 (grey)

cat colortable.txt

0 0 0 0 255
1 255 0 0 255
2 0 255 0 255
3 0 0 255 255
4 100 100 100 255

pkcreatect -i image.tif -o image_ct.tif -ct colortable.txt

Remove the color table from an image

pkcreatect -i image.tif -o image_noct.tif -ct none

24 January 2016 pkcreatect(1)

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