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> @ ahq1993 > 嗨， > 谢谢您的答复。我按照您的步骤操作，遇到了与@bbrito相同的错误。将line56 `mkdir(env_path.c_str(),ACCESSPERMS);` 移至main函数后，它编译无误。现在`viewer`和`rrtstar`可以正常使用。 I performed your operation, and there was no problem in compiling, but running the rrtstare and viewer executable files, the following...

Follow the tutorial to operate a pcd file that has the following display but does not display any images and crawls.