Events

viewer3d.viewpoint

Invoked when the Viewpoint changes.
The Viewpoint simulates the position of a camera looking at the scene.
Example
﻿
Usage
JS
jQuery
const onViewpointChange = function (event, viewpoint) {
  console.log("viewer.viewpoint", "viewpoint:", viewpoint);
};

$("#viewer-3d").on("viewer.viewpoint", onViewpointChange);
const onViewpointChange = function (event, viewpoint) {
  console.log("viewer.viewpoint", "viewpoint:", viewpoint);
};

$("#viewer-3d").on("viewer.viewpoint", onViewpointChange);
﻿
Parameters
onViewpointChange
JS
jQuery
Function called when the Viewpoint changes.
Type
(event: Object) => Void
event
Name
Type
Description
viewpoint
Object
The current viewpoint
Orthogonal Viewpoint
Name
Type
Description
aspectRatio
Number
Aspect ratio of the scene
direction
﻿Vector3﻿﻿
Direction of the camera
location
﻿Vector3﻿﻿
Location of the camera
type
String
Value is orthogonal
up
﻿Vector3﻿﻿
Normalized vector describing the camera orientation
viewToWorldScale
Number
The scale factor between the camera and the scene
Perspective Viewpoint
Name
Type
Description
aspectRatio
Number
Aspect ratio of the scene
direction
@vector3
Direction of the camera
fov
Number
Field of view of the camera
location
﻿Vector3﻿﻿
Location of the camera
type
String
Value is perspective
up
﻿Vector3﻿﻿
Normalized vector describing the camera orientation
Function called when the Viewpoint changes.
Type
(event: Object, viewpoint: Object) => Void
event
﻿jQuery.Event﻿
Orthogonal Viewpoint
Name
Type
Description
aspectRatio
Number
Aspect ratio of the scene
direction
﻿Vector3﻿﻿
Direction of the camera
location
﻿Vector3﻿﻿
Location of the camera
type
String
Value is orthogonal
up
﻿Vector3﻿﻿
Normalized vector describing the camera orientation
viewToWorldScale
Number
The scale factor between the camera and the scene
Perspective Viewpoint
Name
Type
Description
aspectRatio
Number
Aspect ratio of the scene
direction
﻿Vector3﻿﻿
Direction of the camera
fov
Number
Field of view of the camera
location
﻿Vector3﻿﻿
Location of the camera
type
String
Value is perspective
up
﻿Vector3﻿﻿
Normalized vector describing the camera orientation
﻿

Type
(event: Object) => Void

Name	Type	Description
viewpoint	Object	The current viewpoint

Name	Type	Description
aspectRatio	Number	Aspect ratio of the scene
direction	Vector3	Direction of the camera
location	Vector3	Location of the camera
type	String	Value is orthogonal
up	Vector3	Normalized vector describing the camera orientation
viewToWorldScale	Number	The scale factor between the camera and the scene

Name	Type	Description
aspectRatio	Number	Aspect ratio of the scene
direction	@vector3	Direction of the camera
fov	Number	Field of view of the camera
location	Vector3	Location of the camera
type	String	Value is perspective
up	Vector3	Normalized vector describing the camera orientation

Type
(event: Object, viewpoint: Object) => Void

Name	Type	Description
aspectRatio	Number	Aspect ratio of the scene
direction	Vector3	Direction of the camera
location	Vector3	Location of the camera
type	String	Value is orthogonal
up	Vector3	Normalized vector describing the camera orientation
viewToWorldScale	Number	The scale factor between the camera and the scene

Name	Type	Description
aspectRatio	Number	Aspect ratio of the scene
direction	Vector3	Direction of the camera
fov	Number	Field of view of the camera
location	Vector3	Location of the camera
type	String	Value is perspective
up	Vector3	Normalized vector describing the camera orientation

Updated 13 Sep 2024

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