vdx.py 文件源码

def get_2d_projection_on_basis(self, basis, offset=None):
        """ (TODO: Documentation)
        """
        a = np.array(basis[0])
        b = np.array(basis[1])
        self.concat_contour()
        bas = np.array([a, b])
        data = self.get_3d_polygon()
        product = np.dot(data, np.transpose(bas))

        compare = self.cube.pixel_size
        filtered = pytriplib.filter_points(product, compare / 2.0)
        filtered = np.array(sorted(filtered, key=cmp_to_key(_voi_point_cmp)))
        filtered = pytriplib.points_to_contour(filtered)
        product = filtered

        if offset is not None:
            offset_proj = np.array([np.dot(offset, a), np.dot(offset, b)])
            product = product[:] - offset_proj
        return product