Normal - Documentation

Usage (signatures)

board.create('normal', [o, p]);

The constructed line contains p which lies on the object o and is orthogonal to the tangent to the object in the given point.

Parameters

Name	Type	Description
`o`	Line \| Circle \| Curve \| Turtle
`p`	Point

Example

// Create a normal to a circle.
var p1 = board.create('point', [2.0, 2.0]);
var p2 = board.create('point', [3.0, 2.0]);
var c1 = board.create('circle', [p1, p2]);

var norm1 = board.create('normal', [c1, p2]);

board.create('normal', [p]);

Works like above, however the object is given by JXG.CoordsElement#slideObject, i.e. the element to which the glider is bound to.

Parameters

Name	Type	Description
`p`	Glider

Example

// Create a normal to a circle.
var p1 = board.create('point', [2.0, 2.0]);
var c1 = board.create('circle', [p1, 2]);
var gl = board.create('glider', [4, 4, c1]);

var norm1 = board.create('normal', [gl]);

Attributes

Own

point

Description: Attributes of helper point of normal.
Type: Point
Source: options.js, line 7883

Inherited

gradientSecondOpacity

highlightStrokeOpacity

highlightStrokeWidth

ignoreForLabelAutoposition

Members

Own

point

point : JXG.Point

Description: A helper point used to create a normal to a JXG.Line object. For normals to circles or curves this element is undefined.
Type: JXG.Point
Source: base/line.js, line 2619