此函数将以输入点为基础，按照用户指定的距离创建一个新缓冲区轮廓数据层。

This function will create a new buffer feature data layer around the input point features at user specified distance.

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任何允许外部实体来输入数据的程序都容易受到恶意的攻击，例如缓冲区溢出和嵌入式控制字符。

Any program that allows an external entity to input data is vulnerable to malicious activity, such as buffer overflows and embedded control characters.

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SPE 程序从输入缓冲区中读取数据，然后对数据进行处理，再将结果写入输出缓冲区中。

The SPE program reads in the input buffer, processes the data, and then writes it to the output buffer.

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