Example #1
0
 def show_cloud(pc, use_native=False, **kwargs):
     # kwargs go to ctor.
     builder = DiagramBuilder()
     # Add point cloud visualization.
     if use_native:
         viz = meshcat.Visualizer(zmq_url=ZMQ_URL)
     else:
         plant, scene_graph = AddMultibodyPlantSceneGraph(builder)
         plant.Finalize()
         viz = builder.AddSystem(
             MeshcatVisualizer(scene_graph,
                               zmq_url=ZMQ_URL,
                               open_browser=False))
         builder.Connect(scene_graph.get_pose_bundle_output_port(),
                         viz.get_input_port(0))
     pc_viz = builder.AddSystem(
         MeshcatPointCloudVisualizer(viz, **kwargs))
     # Make sure the system runs.
     diagram = builder.Build()
     diagram_context = diagram.CreateDefaultContext()
     context = diagram.GetMutableSubsystemContext(
         pc_viz, diagram_context)
     context.FixInputPort(
         pc_viz.GetInputPort("point_cloud_P").get_index(),
         AbstractValue.Make(pc))
     simulator = Simulator(diagram, diagram_context)
     simulator.set_publish_every_time_step(False)
     simulator.StepTo(sim_time)
        def show_cloud(pc, pc2=None, use_native=False, **kwargs):
            # kwargs go to ctor.
            builder = DiagramBuilder()
            # Add point cloud visualization.
            if use_native:
                viz = meshcat.Visualizer(zmq_url=ZMQ_URL)
            else:
                plant, scene_graph = AddMultibodyPlantSceneGraph(builder, 0.0)
                plant.Finalize()
                viz = builder.AddSystem(
                    MeshcatVisualizer(scene_graph,
                                      zmq_url=ZMQ_URL,
                                      open_browser=False))
                builder.Connect(scene_graph.get_pose_bundle_output_port(),
                                viz.get_input_port(0))
            pc_viz = builder.AddSystem(
                MeshcatPointCloudVisualizer(viz, **kwargs))
            if pc2:
                pc_viz2 = builder.AddSystem(
                    MeshcatPointCloudVisualizer(viz,
                                                name='second_point_cloud',
                                                X_WP=se3_from_xyz([0, 0.3, 0]),
                                                default_rgb=[0., 255., 0.]))

            # Make sure the system runs.
            diagram = builder.Build()
            diagram_context = diagram.CreateDefaultContext()
            context = diagram.GetMutableSubsystemContext(
                pc_viz, diagram_context)
            # TODO(eric.cousineau): Replace `AbstractValue.Make(pc)` with just
            # `pc` (#12086).
            pc_viz.GetInputPort("point_cloud_P").FixValue(
                context, AbstractValue.Make(pc))
            if pc2:
                context = diagram.GetMutableSubsystemContext(
                    pc_viz2, diagram_context)
                pc_viz2.GetInputPort("point_cloud_P").FixValue(
                    context, AbstractValue.Make(pc2))
            simulator = Simulator(diagram, diagram_context)
            simulator.set_publish_every_time_step(False)
            simulator.AdvanceTo(sim_time)