16.27. hsv_merge

Replaces the intensity information in an RGB image with the provided grayscale image by temporarily converting to HSV. Both input image must be the same size.

Mimics hsv_merge.py by Frank Warmerdam and Trent Hare. Use it to combine results from gdaldem.

Usage:

hsv_merge [options] <rgb_image> <gray_image>

Command-line options for hsv_merge:

-o, --output-file <filepath>

Specify the output file. Required.

--threads <integer (default: 0)>

Select the number of threads to use for each process. If 0, use the value in ~/.vwrc.

--cache-size-mb <integer (default = 1024)>

Set the system cache size, in MB.

--tile-size <integer (default: 256 256)>

Image tile size used for multi-threaded processing.

--no-bigtiff

Tell GDAL to not create bigtiffs.

--tif-compress <None|LZW|Deflate|Packbits (default: LZW)>

TIFF compression method.

-v, --version

Display the version of software.

-h, --help

Display this help message.