outline Documentation

outline - outline distinct DN sections in an image
The program "outline" will draw a border around distinct image sections
that have different DN values.  The user is allowed to specify the DN
value to use to outline each section.  This DN value should be chosen
carefully.  The DN parameter must be a unique value not found in the
input image.  This program performs the opposite function of the FILBND
program which replaces only values of the border DN.

PROGRAMMER: K T Thompson, USGS, Flagstaff, AZ;  19 Aug 97

Input file name

NONE

Output file name

NONE

Boundary dn value

254

Input subcube specifier

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ADDITIONAL NOTES:

Parm	Description
FROM	The input image that is to be outlined. The file is assumed to contain distinguishable areas of specific DN. Each of these areas will be outlined with the pixel value specified by the DN parameter.
TO	The image file created by "outline". This is the result of the outlining process of the input file. All distinguish- able areas of a specific DN value will be outlined with the value found in the DN parameter.
DN	This is the unique value of the outline boundary DN. It defaults to 1. It is up to the user to choose a value that does not exist in the input file.
SFROM	SFROM specifies the subcube using a single string for all three dimensions of the cube. The order of the three di- mensions is always "samples:lines:bands". If a dimension is left blank, all the data for that dimension is selected. The default value of NULL for SFROM selects the entire cube.