megafacade.py 文件源码

def _load_image_mask(self):
        # Sometimes an approximate mask can be produced based on Google range data
        # the mask indicates which parts of the image are not facade
        mask_path = os.path.join(os.path.dirname(self.path), 'mask.png')
        if self.use_mask and os.path.isfile(mask_path):
            self.data_mask = rgb2gray(imread(mask_path)) > 0.5
        else:
            self.data_mask = None