Beispiel #1
0
    // ROS Topic Subscriber methods
    public ROSBridgeMsg OnReceiveMessage(string topic, JSONNode raw_msg, ROSBridgeMsg parsed = null)
    {
        Debug.Log(" LAMP Recieved message");

        ROSBridgeMsg result = null;

        // Writing all code in here for now. May need to move out to separate handler functions when it gets too unwieldy.
        switch (topic)
        {
        case "/voxblox_node/surface_pointcloud":
            Debug.Log(" LAMP Recieved surface point cloud message");
            pointCloudLevel = PointCloudLevel.WHITE;
            break;

        case "/colorized_points_0":
            pointCloudLevel = PointCloudLevel.RED;
            break;

        case "/colorized_points_1":
            pointCloudLevel = PointCloudLevel.ORANGE;
            break;

        case "/colorized_points_2":
            pointCloudLevel = PointCloudLevel.YELLOW;
            break;

        case "/colorized_points_3":
            pointCloudLevel = PointCloudLevel.GREEN;
            break;

        case "/colorized_points_4":
            pointCloudLevel = PointCloudLevel.BLUE;
            break;

        case "/colorized_points_5":
            pointCloudLevel = PointCloudLevel.LIGHT_BLUE;
            break;

        default:
            Debug.LogError("Topic not implemented: " + topic);
            return(result);
        }

        PointCloud2Msg pointCloudMsg = new PointCloud2Msg(raw_msg);

        this.pcVisualizers[topic].PointCloudLevel = pointCloudLevel;
        this.pcVisualizers[topic].SetPointCloud(pointCloudMsg.GetCloud());
        Debug.Log("Updated Point Cloud");
        return(result);
    }
Beispiel #2
0
    public new static void CallBack(ROSBridgeMsg msg)
    {
        PointCloud2Msg pointCloudMsg = (PointCloud2Msg)msg;

        if (verbose)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append(pointCloudMsg.GetHeader().GetSeq());
            sb.Append(":\n");
            sb.AppendFormat("Size: {0} X {1} = {2}\n", pointCloudMsg.GetWidth(), pointCloudMsg.GetHeight(), pointCloudMsg.GetWidth() * pointCloudMsg.GetHeight());
            sb.Append(pointCloudMsg.GetFieldString());
            Debug.Log(sb.ToString());
        }

        LidarVisualizer visualizer = GameObject.Find(rendererObjectName).GetComponent <LidarVisualizer>();

        visualizer.SetPointCloud(pointCloudMsg.GetCloud());
    }
Beispiel #3
0
    // ROS Topic Subscriber methods
    public ROSBridgeMsg OnReceiveMessage(string topic, JSONNode raw_msg, ROSBridgeMsg parsed = null)
    {
        ROSBridgeMsg result = null;

        // Writing all code in here for now. May need to move out to separate handler functions when it gets too unwieldy.
        switch (topic)
        {
        case "/voxblox_node/surface_pointcloud":
            PointCloud2Msg pointCloudMsg = new PointCloud2Msg(raw_msg);
            this.pcVisualizers[topic].SetPointCloud(pointCloudMsg.GetCloud());
            Debug.Log("Updated Point Cloud");
            break;

        default:
            Debug.LogError("Topic not implemented: " + topic);
            break;
        }
        return(result);
    }
Beispiel #4
0
    public static void CallBack(ROSBridgeMsg msg)              //after receiving the ros message
    {
        PointCloud2Msg           cloudm = (PointCloud2Msg)msg; //point cloud message
        PointCloud <PointXYZRGB> points = cloudm.GetCloud();   // get data, the data has point location and point color information
        PointXYZRGB point;                                     //variable to access information of single point in the list of points

        //voxel mesh with triangles
        numPoints = points.Size; //number of points received
        mpoints   = new Vector3[numPoints];
        colors    = new Color[numPoints];

        //store points and colors of the point cloud separately in arrays
        for (int i = 0; i < numPoints; i++)
        {
            point      = points.At(i); //point at index i in the list
            mpoints[i] = new Vector3(point.X, point.Z, point.Y);
            colors[i]  = new Color(point.R / 255.0f, point.G / 255.0f, point.B / 255.0f);
        }
        // generate child meshes
        total_meshes = Mathf.CeilToInt(numPoints * 1.0f / Points_limit * 1.0f); //calculate the number of child meshes required
        main_mesh    = GameObject.Find(Mesh_name);                              //find the mesh in unity environment

        if (main_mesh == null)
        {
            main_mesh = new GameObject(Mesh_name); //if no mesh found, create one
        }
        else
        {
            //do nothing
        }
        //initialize the mesh
        for (int i = 0; i < total_meshes - 1; i++)
        {
            Mesh_initialization(i, Points_limit);
        }
        Mesh_initialization(total_meshes - 1, numPoints - (total_meshes - 1) * Points_limit);
    }