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camera_frame

brep_render::sheets::pdf3d

Function camera_frame 

Source 
pub fn camera_frame(
    camera: &PmiCamera,
) -> Option<([f64; 3], [f64; 3], [f64; 3])>
Expand description

The camera’s right, up and forward (eye → target) unit vectors; None for a degenerate camera (eye on target, or up along the view).