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There is no tool to do this out-of-the-box. As your message seems to be pretty specific with specific content, how could be?

There are plotting tools, like PlotJuggler, where you could probably write a plugin. But I doubt it will suit your needs.

The best way is probably to write a node subscribing to those topics and publishing a MarkerArray of the Marker Type you prefer. Then you can use rviz to visualize this.

As a side note: If you plan to use two topics, one containing x-Coordinates and the other y-Coordinates, you need to make sure to sync the topics properly using message_filters. Otherwise this could lead to strange behavior, as the topics will not arrive at the same time. If there is no very, very specific reason to publish the coordinates as separate topics, I'd highly recommend to publish them in one topic. You could use a custom message containing both arrays or e.g. a PoseArray which does already have a display type (though I'd recommend going for custom).