您可以修改这些代码，使它能够支持所有主要旋转方向，添加卫星图，或扩展可接受的UR l字符串以支持其他地图应用程序。
Consider modifying the code to support each cardinal direction of rotation, add satellite imagery rotation, or expand the acceptable URL strings to support other mapping applications.
不过，Unicode的确包括用于字符组合和字母排序的文字方向(text direction)和规则。
However, Unicode does include text direction, rules for character combination, and alphabetic ordering.
提出了基于BAG结构的轮廓提取算法，并在此基础上又提出了提取字符形状特征(改进方向码)的方法。
The algorithm to extract the outline based on the BAG structure was proposed. On the basis of these, the shape feature (the improved direction code) were obtained.
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