Projection Method in 3D Scene

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The appearance of the 3D scene in the 3D view window depends, besides the specified visualization method, on the projecting method used by the system camera. The projecting method determines, how the camera will be showing objects in the 3D scene: without respect to the distance from the view point and the field of view angle - by the orthographic (parallel) projection, or by accounting for those parameters - the perspective projection.

07S_Parallel

07S_Perpective

Orthographic (parallel) projection

Perspective projection

A projecting method, unlike a visualization method, is a characteristic of the particular used camera, rather than the 3D window. When switching the active camera (for example, switching from the system camera to a custom one), the image generation in the 3D window will account for the new active camera projecting method.

For convenience, the choice of the type of projection is moved to the View panel. Parallel projection is enabled by default.

Use the following command to select the method of projecting the system camera:

Icon

Ribbon

Parallel

 

Keyboard

Textual menu

<3VO>

View > Projection > Parallel

Applies parallel projection method to an active camera in the 3D scene.

Use the following command to select the method of projecting the system camera:

Icon

Ribbon

Perspective

View > 3D Model > Perspective

Keyboard

Textual menu

<3VE>

View > Projection > Perspective

Applies perspective projection method to an active camera in the 3D scene.