MeshData.py 文件源码

def faceColors(self, indexed=None):
        """
        Return an array (Nf, 4) of face colors.
        If indexed=='faces', then instead return an indexed array
        (Nf, 3, 4)  (note this is just the same array with each color
        repeated three times). 
        """
        if indexed is None:
            return self._faceColors
        elif indexed == 'faces':
            if self._faceColorsIndexedByFaces is None and self._faceColors is not None:
                Nf = self._faceColors.shape[0]
                self._faceColorsIndexedByFaces = np.empty((Nf, 3, 4), dtype=self._faceColors.dtype)
                self._faceColorsIndexedByFaces[:] = self._faceColors.reshape(Nf, 1, 4)
            return self._faceColorsIndexedByFaces
        else:
            raise Exception("Invalid indexing mode. Accepts: None, 'faces'")