参数:decreasing
Set to TRUE to sort from highest to lowest coordinates
如果设置为TRUE,则排序,从最高到最低的坐标
参数:...
Currently not used
当前未使用
值----------Value----------
An object of type feat sorted primarily by
主要对象类型feat排序
注意----------Note----------
This function is not recommended if x is stored as a pointer to an object in C; in this case it may sort differently depending on how
此功能不建议,如果x被存储为在C中的对象的指针,在这种情况下,它可能取决于如何排序不同