SVO rappresentation of pointcloud

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Hi, i'm working with SVO and i visualize the markers that rapresent the 3D points in a pointcloud. using the bag in the tutorial page of SVO, i visualize it under the grid and not parallel with it. i cannot post the image of the rviz visualization and don't know why.... did someone could help me to shift my cloud for having it on the grid and then could use some others tools, for example pcl_to_laserscan for a map visualization?? i'm not very practical with the fixed_frame of Rviz, but if i try to change it, the cloud cannot be visualized.

thanks for help