GRASS GIS 7 Programmer's Manual
7.9.dev(2021)-e5379bbd7
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by GRASS Development Team (https://grass.osgeo.org)
This library provides a wide assortment of higher level graphics commands which in turn use the graphics library primitives. It is highly recommended that this section be used to understand how some of the GRASS graphics commands operate. Such modules like d.vect
, d.graph
, and d.rast
demonstrate how these routines work together.
The routines fall into four basic sets:
Note: All routines and global variables in this library, documented or undocumented, start with D_ prefix. To avoid name conflicts, programmers should not create variables or routines in their own modules which use this prefix.
The library functions are defined in display.h
header: