INCLAN Graphics: plot arc: Difference between revisions
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== Synopsis == | == Synopsis == | ||
'''plot arc ''x'' ''y'' ''a'' [''b'' ['' | '''plot arc''' ''x'' ''y'' ''a'' [''b'' [''φ''<sub>1</sub> ''φ''<sub>2</sub>]] | ||
== Description == | == Description == | ||
Revision as of 15:53, 12 August 2009
Synopsis
plot arc x y a [b [φ1 φ2]]
Description
Draws a circle, an ellipse, or part of a circle or ellipse with the center at (x,y), and half axes a and b. If b is omitted, a circle with radius a (measured in the x-direction) is drawn. Optionally, only the part of the ellipse starting and ending with phase angles f1 and f2, respectively, is drawn. The phase angle is 0 on the positive x-axis and increases counterclockwise. This command can also be used in list mode, where the parameters are vector expressions.