plot_tool.py 文件源码

def make_gif(self, frame_count_limit=IMAGE_LIMIT, gif_name="mygif.gif", frame_duration=0.4):
        """Make a GIF visualization of view graph."""

        self.make_thumbnails(frame_count_limit=frame_count_limit)

        file_names = sorted([file_name for file_name in os.listdir(self.thumbnail_path)
                             if file_name.endswith('thumbnail.png')])

        images = []
        for file_name in file_names:
            images.append(Image.open(self.thumbnail_path + file_name))

        destination_filename = self.graph_path + gif_name

        iterator = 0
        with io.get_writer(destination_filename, mode='I', duration=frame_duration) as writer:
            for file_name in file_names:
                image = io.imread(self.thumbnail_path + file_name)
                writer.append_data(image)
                iterator += 1

        writer.close()