flywave-mapview.camerautils.setfocallength

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CameraUtils.setFocalLength() function

This API is provided as a beta preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.

Sets a camera's focal length.

Signature:

function setFocalLength(camera: THREE.PerspectiveCamera, focalLength: number, viewportHeight: number): number;

Parameters

Parameter	Type	Description
camera	THREE.PerspectiveCamera
focalLength	number	Focal length in pixels. It must be larger than 0.
viewportHeight	number	Viewport height in pixels, used to compute vertical fov.

Returns:

number

The new camera's focal length in pixels.

## Remarks

The camera's vertical fov will be updated to achieve the given viewport height.