Function create_camera_model

src/sharp/utils/camera.py:203–230

Create camera model to simulate general pinhole camera.

(
    scene: Gaussians3D,
    intrinsics: torch.Tensor,
    resolution_px: tuple[int, int],
    lookat_mode: LookAtMode = "point",
)

def create_camera_model(
    scene: Gaussians3D,
    intrinsics: torch.Tensor,
    resolution_px: tuple[int, int],
    lookat_mode: LookAtMode = "point",
) -> PinholeCameraModel:
    """Create camera model to simulate general pinhole camera."""
    screen_extrinsics = torch.eye(4)
    screen_intrinsics = intrinsics.clone()

    image_width, image_height = resolution_px
    screen_resolution_px = get_screen_resolution_px_from_input(
        width=image_width, height=image_height
    )

    screen_intrinsics[0] *= screen_resolution_px[0] / image_width
    screen_intrinsics[1] *= screen_resolution_px[1] / image_height

    camera_model = PinholeCameraModel(
        scene,
        screen_extrinsics=screen_extrinsics,
        screen_intrinsics=screen_intrinsics,
        screen_resolution_px=screen_resolution_px,
        focus_depth_quantile=0.1,
        min_depth_focus=2.0,
        lookat_mode=lookat_mode,
    )
    return camera_model


def create_camera_matrix(