Function: cdrop

Syntax

cdrop (<point>,<point1>,<num> {,<point2>})

Type

point

Returns

The point obtained from dropping a perpendicular from a point onto a circle.

Parameters

• <point>
  Point from which to drop the perpendicular.

• <point1>
  Circle center, a point expression.

• <num>
  Circle radius.

• <point2>
  Normal to plane of the circle. If omitted, up (0,0,1) is assumed.

Examples

Drop a perpendicular to a circle in plan.

point pc = cdrop(myp,p0,500)

Drop a perpendicular to a circle in the X,Z plane.

point pc = cdrop(myp,gc,250,n:100)

See Also