The PLplot Plotting Library: Programmer's Reference Manual | ||
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plptex
: Write text inside the viewport
Writes text at a specified position and inclination within the viewport. Text is clipped at the viewport boundaries. The reference point of a string lies along a line passing through the string at half the height of a capital letter. The position of the reference point along this line is determined by just, the reference point is placed at world coordinates (x, y) within the viewport. The inclination of the string is specified in terms of differences of world coordinates making it easy to write text parallel to a line in a graph.
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