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Comments (10)

Kin-Zhang avatar Kin-Zhang commented on August 11, 2024

你是指没有在建图? 可以的话 截个图/录个屏

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dbw100 avatar dbw100 commented on August 11, 2024

捕获1
感谢您的回复,好像是有里程计数据的,但是"/ndt_map"这个话题好像输出的是雷达的原始数据,不是建图的结果,我是在自己的电脑上编译的。

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Kin-Zhang avatar Kin-Zhang commented on August 11, 2024

奥,里程计数据有的话 你看一下config file,这里应该是-1,不过我记得rviz无论如何都会显示才对...
方便的话 你录个视频 开头看一下launch和config,然后launch一下 我看一下终端输出和rviz?

debug_print: true  # will republish point with current timestamp
# setting -1 mean it will output the whole ndt map ===> FOR THE WHOLE MAP
# setting 10 mean 10*frame_point_num will be saved ===> FOR FAST LOC
save_frame_point: -1

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dbw100 avatar dbw100 commented on August 11, 2024

捕获3

4262.mp4

您好,这是我用VLP16激光雷达录制的bag包测试的结果。

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Kin-Zhang avatar Kin-Zhang commented on August 11, 2024

Ha, 我知道了 因为效率原因 我没有把全部的ndt_map pub出来【影响实时性】


你直接打开 这个repo下的rviz文件就能看到了:https://github.com/Kin-Zhang/simple_ndt_slam/blob/master/lidar_localizer/rviz/ndt_mapping.rviz

或者是delay time 设到很大很大 也ok


具体可以在launch file里加:

<node type="rviz" name="rviz_mapper" pkg="rviz" args="-d $(find lidar_localizer)/rviz/ndt_mapping.rviz" />

当然这些都不影响你 直接保存全局地图,不过看rviz实时运行总是好的 免得定位计算飘了

rosservice call /save_map '/home/kin/bags/autoware/all_topics/cones_people.pcd' 0.1

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dbw100 avatar dbw100 commented on August 11, 2024

哦哦,非常感谢大佬的解答,我看rviz的配置已经写进了launch文件中,但是在运行launch文件时,rviz会显示一下,然后立即闪退,所以我才新开了一个rviz的窗口。不知道rviz闪退是这个问题。

4623.mp4

还有就是地图保存也出现了问题
捕获4

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Kin-Zhang avatar Kin-Zhang commented on August 11, 2024

从错误信息中没看到rviz的闪退原因,猜测是memory的问题?你可以打开htop一起看一下


保存出错是bags文件夹不存在【手动建一个文件夹】,我fix一下 之前代码忘记写这个判断如果不存在 就新建一下

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dbw100 avatar dbw100 commented on August 11, 2024

https://user-images.githubusercontent.com/57590483/234784893-b9eb9e57-3f06-4ade-bb84-d2e6fb5ced11.mp4
您好,这是录制的闪退情况,这个rviz闪退是间断发生的,有时候是正常的。现在点云地图可以正常保存,谢谢。还有就是在rviz中实时显示建图结果要在哪里进行修改呢?

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Kin-Zhang avatar Kin-Zhang commented on August 11, 2024

image

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dbw100 avatar dbw100 commented on August 11, 2024

好的,非常感谢!

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