create a 3D map

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Thanks I will check on that

Hi TomSon can you please tell me how to build 3d map with hokuyo utm 30-lx using loam_continuous. I downloaded the code and when i use it with data sets provided then in rviz i can view pointclouds spinning. But instead of running bagfile when i connect my sensor then nothing comes up. thanks

You are at the same step I were. Dont forget you need a servo to do back and forward mouvement with your hokuyo. I got also a pointcloud spinning without a correct phasing.

can you suggest me which servo i have to use?

If I had to do it again, one of dynamixel pro would be interested for the total weight to rotate.

Can you please tell me specifically which dynamixel i have to purchase? And please guide me step by step how to interface ros, laser and dynamixel with each other.

I dont know specifically, it depends of the wieght of your system. I can't guide you trough the steps because I didn't test it myself first. I just test with the bag like you.

That's ok but i want to ask you one thing. In the programs of loam package why the subscriber and advertisers are name as camera, cam_to_init, and so on. Are they predefined for aparticular sensor?