Name
ann — Annotation of contour lines
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Syntax
ann [ size ] [f nx ny ] ;# fast and simple annotation of line contours
Description
Annotation of contour lines. It distributes annotation numbers in an nx times ny scheme. Default is 8 x 8. A more cartographic annotation is made by the sma command.
Arguments
size
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Set size of annotation numbers.
f
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Specify frequency of annotation numbers.
nx
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Annotation frequency in x. Default 8.
ny
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Annotation frequency in y. Default 8.
Examples
Ex.1: Simple annotation of contours
# a grid is assumed to be in active workspace
acm n 11 sma ; # color bands and spline contours
col bla ; # black color for annotation numbers
ann 1.4 f 7 7 ; # fast annotation
The above example produces this image.
Fast and simple annotation of contour map
See also
acm - Color band mapping, sma - Spline map
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