Each pie sliced is, in turn, set to transparent, and the Mosaic background image is then applied to the pie graph.
依次将每个饼图分区设为透明，并且随后将拼成的背景图像应用到饼图中。
Listing 7 shows the sequence of commands used to produce the image in Figure 2. (See Resources for more information about generating background Mosaic images automatically.)
清单7展示了生成图2中的图像所使用的命令序列(有关自动生成背景拼图的更多信息，请参阅参考资料)。
In the end the whole video Mosaic is retrieved by superimposing the target region on the panorama background frame by frame.
最后逐帧将目标区域图像变换到背景图像上得到全景视频。
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