plot_shapes: plot all shapes provided by internal dataset
Description
These shapes are mainly collected from the package venn, and VennDiagram.
For Venn plot with more than 4 sets, it is usually impossible to plot with
simple circle or ellipse. So we need to use a predefined coordinates in plot.
Usage
plot_shapes()
Arguments
Details
Shape 101, 201, 301, 401, 402, 501, 502, 601 and 701 are from venn
Shape 401f is from VennDiagram
see data-raw/shapes.R to find how we incorporate these data.