This function is generic.
Particular methods exist. The following functions are used for the following objects:
[object Object],[object Object],[object Object],[object Object],[object Object]
All of the above method functions use the draw.default function which is the function which actually does the drawing.
draw(...)plot.it argument is supplied then the draw functions tend to return the coordinates of what they were meant to draw and don't actually draw anything.draw.default, draw.imwd, draw.imwdc, draw.wd, draw.wp, draw.wst, imwd.object, imwdc.object, wd.object, wp.object, wst.object.