Usage (signatures)
board.create('polepoint', [el1, el2]);
Pole point of the line with respect to the conic or the circle.
The order of the parameters does not matter.
Parameters
| Name | Type | Description |
|---|---|---|
el1 |
Circle | Conic | |
el2 |
Line |
Examples
Pole point of a line with respect to a conic
var p1 = board.create('point', [-1, 2]);
var p2 = board.create('point', [ 1, 4]);
var p3 = board.create('point', [-1,-2]);
var p4 = board.create('point', [ 0, 0]);
var p5 = board.create('point', [ 4,-2]);
var c1 = board.create('conic',[p1,p2,p3,p4,p5]);
var p6 = board.create('point', [-1, 4]);
var p7 = board.create('point', [2, -2]);
var l1 = board.create('line', [p6, p7]);
var p8 = board.create('polepoint', [c1, l1]);
Pole point of a line with respect to a circle
var p1 = board.create('point', [1, 1]);
var p2 = board.create('point', [2, 3]);
var c1 = board.create('circle',[p1,p2]);
var p3 = board.create('point', [-1, 4]);
var p4 = board.create('point', [4, -1]);
var l1 = board.create('line', [p3, p4]);
var p5 = board.create('polepoint', [c1, l1]);
Attributes
Own
none
Inherited
Members
Own
none
Inherited
Methods
Own
none
Inherited
Events
Own
none
Inherited
Throws
-
If the element cannot be constructed with the given parent objects an exception is thrown.
- Type
- Exception
Details
- Type
- JXG.Point
- Source
- base/point.js, line 923