create a plot of one or more polygons
polygonplot(v1, v2, options)
list of polygon vertices, each given as a two-element list
n by 2 Matrix, where n is any positive integer
Vectors of the same length
(optional) equations of the form option=value, where option is any of the available plot options
The polygonplot command is used to create a 2-D plot of a polygon. The polygon's vertices are provided as the list L, the Matrix A, or the Vectors v1 and v2.
The list L must contain 2-element lists or Vectors [x, y], each representing the numeric x- and y-coordinates of a vertex.
The Matrix must be n by 2, where n is any positive integer. Each row of the Matrix contains the x- and y-coordinates of a vertex. If a 2 by n Matrix is given, with n not equal to 2, then it will be automatically transposed. The Vectors, representing the x-coordinates and the y-coordinates of the vertices respectively, can have any length, but both must have the same length.
If you have a very large number of points, it is recommended that you provide the data as a Matrix with datatype set to float.
Remaining arguments are interpreted as options which are specified as equations of the form option = value. These options are the same as those available for the plot command, as described in plot options.
Multiple polygons may be plotted by providing a list containing polygons in the list or Matrix form, as described above. In this case, the color option value can be a list of n colors, where n is the number of polygons.
ngon ≔ n→seq⁡cos⁡2⁢π⁢in,sin⁡2⁢π⁢in,i=1..n:
one_poly ≔ Matrix⁡0,0,0,1,0.5,0.5,1,1,1,0.05,0.95,0.05,0.95,0,datatype=float:
The command to create the plot from the Plotting Guide is
poly ≔ 0,1,0,2,0.5,2.75,1.25,3,2,2.75,2.5,2.25,1.75,1.5,2.5,0.75,2,0.25,1.25,0,0.5,0.25
The style option controls how the polygon is drawn. In the next example, the same polygon is drawn without the border.
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