utils.py 文件源码

def new_interpolated_projection_sampler(camera, render_source):
    params = ensure_code_unit_params(camera._get_sampler_params(render_source))
    params.update(transfer_function=render_source.transfer_function)
    params.update(num_samples=render_source.num_samples)
    args = (
        np.atleast_3d(params['vp_pos']),
        np.atleast_3d(params['vp_dir']),
        params['center'],
        params['bounds'],
        params['image'],
        params['x_vec'],
        params['y_vec'],
        params['width'],
        params['num_samples'],
    )
    kwargs = {'lens_type': params['lens_type']}
    if render_source.zbuffer is not None:
        kwargs['zbuffer'] = render_source.zbuffer.z
    else:
        kwargs['zbuffer'] = np.ones(params['image'].shape[:2], "float64")
    sampler = InterpolatedProjectionSampler(*args, **kwargs)
    return sampler