define a point
point(P, Px, Py, Pz)
point(P, [Px, Py, Pz])
the name of the point
A point is represented as a dot. It has position only, and has no length, width, or thickness.
A point P is represented by its ``x'', ``y'', and ``z'' coordinates.
To access the information relating to a point P, use the following function calls:
returns the form of the geometric
object (i.e., point3d if P is a point).
returns Px which is the x-coordinate
returns Py which is the y-coordinate
returns Pz which is the z-coordinate
returns a detailed expression of the
The command with(geom3d,point) allows the use of the abbreviated form of this command.
name of the objectAform of the objectpoint3dcoordinates of the pointa,b,c
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