/**
 * @function planPath
 * @brief Main function
 */
bool PathPlanner::planPath( int _robotId, 
			    const Eigen::VectorXi &_links, 
                            const Eigen::VectorXd &_start, 
                            const Eigen::VectorXd &_goal, 
                            bool _bidirectional, 
                            bool _connect, 
                            bool _greedy,
                            bool _smooth, 
                            unsigned int _maxNodes ) {


  //world->mRobots[_robotId]->setQuickDofs( _start ); // Other quick way
  world->getRobot(_robotId)->setDofs( _start, _links );
  if( world->checkCollision() )
    return false;
  
  world->getRobot(_robotId)->setDofs( _goal, _links );
  if( world->checkCollision() )
    return false;
  
  bool result;
  if( _bidirectional ) { 
    result = planBidirectionalRrt( _robotId, _links, _start, _goal, _connect, _greedy, _maxNodes ); 
  } else {
    result = planSingleTreeRrt( _robotId, _links, _start, _goal, _connect, _greedy, _maxNodes );
  }
  
  if( result && _smooth ) {
    smoothPath( _robotId, _links, path );
  }
  
  return result;
}
Example #2
0
void PencilTool::release(const TupInputDeviceInformation *input, TupBrushManager *brushManager, TupGraphicsScene *scene)
{
    Q_UNUSED(brushManager);

    if (!k->item)
        return;

    double smoothness = k->configurator->exactness();

    if (k->firstPoint == input->pos() && k->path.elementCount() == 1) {
        smoothness = 0;
        qreal radius = ((qreal) brushManager->pen().width()) / ((qreal) 2);
        k->path.addEllipse(input->pos().x(), input->pos().y(), radius, radius);
    } 

    smoothPath(k->path, smoothness);

    k->item->setBrush(brushManager->brush());
    k->item->setPath(k->path);

    QDomDocument doc;
    doc.appendChild(k->item->toXml(doc));

    TupProjectRequest request = TupRequestBuilder::createItemRequest(scene->currentSceneIndex(), scene->currentLayerIndex(), scene->currentFrameIndex(), 
                                                                     0, QPoint(), scene->spaceContext(), TupLibraryObject::Item, TupProjectRequest::Add, 
                                                                     doc.toString());

    emit requested(&request);
}
Example #3
0
// Performs multiple passes of resampling
p_nav::Path
smoothPathMultiple(const p_nav::Path& path, int passes)
{
	p_nav::Path oldpath, newpath;
	newpath = path;
	
	for( int i=0; i<passes; i++ ){
		oldpath = newpath;
		newpath = smoothPath(oldpath);
	}
	
	return newpath;
}
Example #4
0
void handleMouseEvent(SDL_Event event, GraphicModule * module){
    //Welcome to the bottleneck, we got fun and games
    //If lagging is your issue, here you must change!
    if(withinMenu(module->menu,event.motion.x, event.motion.y) != -1){
        int button = checkButtons(module->menu, event.motion.x,event.motion.y);
        if(button != -1){
            if(mouseDown){
                //Click
                module->menu->buttons[button]->clicked = 1;
                module->menu->buttons[button]->hover = 0;
            }else{
                //Hover or finished clicking
                if(module->menu->buttons[button]->clicked == 1){
                    //We just finished clicking and are about to change back to a hover state
                    handleButtonClick(module, button);

                }
                module->menu->buttons[button]->clicked = 0;
                module->menu->buttons[button]->hover = 1;
            }
        }else{
            //Not in any buttons, make sure all of them are in their default state
            int i;
            for(i=0; i < NUMBER_OF_BUTTONS; i++){
                module->menu->buttons[i]->clicked = 0;
                module->menu->buttons[i]->hover = 0;
            }
        }
    }else{
        //Drawing mode. (Once we are loading documents some more stuff will have to go here)
        if(mouseDown){
            if(event.motion.x < SCREENWIDTH && event.motion.y < SCREENHEIGHT){
                buffered[bufferPointer] = event.motion.x;
                buffered[bufferPointer+1] = event.motion.y;
                //If smoothing is off this will be optimized out by the compiler
                if(SMOOTHING==1){
                    smoothPath(event.motion.x,event.motion.y,event.motion.xrel,event.motion.yrel);
                }
                bufferPointer = bufferPointer+2;
            }    
            if(bufferPointer > CLICKBUFFERSIZE){
                puts("aw shit ");//what a good error message for now
                bufferPointer = 0;
            }
        }
    }
}
Example #5
0
void PencilTool::release(const TupInputDeviceInformation *input, TupBrushManager *brushManager, TupGraphicsScene *scene)
{
    Q_UNUSED(brushManager);

    if (!k->resize) {
        if (!k->item)
            return;

        if (k->firstPoint == input->pos() && k->path.elementCount() == 1) {
            QPointF currentPoint = input->pos();
            scene->removeItem(k->item);
 
            qreal radius = brushManager->pen().width();
            QPointF distance((radius + 2)/2, (radius + 2)/2);
            QPen inkPen(brushManager->penColor(), 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
            TupEllipseItem *blackEllipse = new TupEllipseItem(QRectF(currentPoint - distance, QSize(radius + 2, radius + 2)));
            blackEllipse->setPen(inkPen);
            blackEllipse->setBrush(inkPen.brush());
            scene->includeObject(blackEllipse);

            QDomDocument doc;
            doc.appendChild(blackEllipse->toXml(doc));
            TupProjectRequest request = TupRequestBuilder::createItemRequest(scene->currentSceneIndex(), scene->currentLayerIndex(), scene->currentFrameIndex(),
                                                                             0, currentPoint, scene->spaceContext(), TupLibraryObject::Item, TupProjectRequest::Add,
                                                                             doc.toString());
            emit requested(&request);
            return;
        } else {
            double smoothness = k->configurator->smoothness();
            if (smoothness > 0)
                smoothPath(k->path, smoothness);
        }

        k->item->setBrush(brushManager->brush());
        k->item->setPath(k->path);

        QDomDocument doc;
        doc.appendChild(k->item->toXml(doc));

        TupProjectRequest request = TupRequestBuilder::createItemRequest(scene->currentSceneIndex(), scene->currentLayerIndex(), scene->currentFrameIndex(), 
                                                                         0, QPoint(), scene->spaceContext(), TupLibraryObject::Item, TupProjectRequest::Add, 
                                                                         doc.toString());
        emit requested(&request);
    }
}
Example #6
0
std::vector<Eigen::Vector3f> PathPlanner::getPath(Eigen::Vector3f start, Eigen::Vector3f end, cv::Mat3b * image)
{
    std::vector<Eigen::Vector3f> path;
    std::vector<Eigen::Vector2i> pathImg;

    //Objects are outside the configuration space, so get the closest point
    Eigen::Vector2i lastPoint;
    if(!validPoint(worldToImg(end)))
    {
        if(!findClosestPoint(start, end, bot_in_pixels_))
        {
            return path;
        }
    }

    //Check if we can just go straight there unobstructed
    if(traceLine(worldToImg(start), worldToImg(end)))
    {
        path.push_back(start);
        path.push_back(end);
    }
    else if(aStar(worldToImg(start), worldToImg(end), pathImg))
    {
        pathImg = smoothPath(pathImg);

        for(size_t i = 0; i < pathImg.size(); i++)
        {
            path.push_back(imgToWorld(pathImg.at(i)));
        }
    }

    if(image)
    {
        drawPath(path, *image);
    }

    return path;
}
Example #7
0
path *craStar::getPath(graphAbstraction *aMap, node *from, node *to, reservationProvider *rp)
{
	//	std::cout<<"find path from "<<*from<<"\nto "<<*to<<std::endl;
	
	std::vector<node *> fromChain;
	std::vector<node *> toChain;
	path *lastPath = 0;
	
	
	if (aMap->getAbstractGraph(from->getLabelL(kAbstractionLevel))->findEdge(from->getNum(), to->getNum()))
		return new path(from, new path(to));
	
	setupSearch(aMap, fromChain, from, toChain, to);
	if (fromChain.size() == 0)
		return 0;
	
	
	
	//   do {
	// 		//	lastPath = buildNextAbstractPath(aMap, lastPath, fromChain, toChain, rp);
	// 		//	lastPath = buildNextAbstractPathQuick(aMap,lastPath,fromChain,toChain,rp);
	//   } while (lastPath->n->getLabelL(kAbstractionLevel) > 0);
	
	path* abs = buildAbstractPath(aMap, fromChain, toChain, rp);
	
	if (partialLimit > 0)
	{
		
		path *trav = abs;
		path *thisPart = new path(trav->n);
		for (int x = 0; x < partialLimit-1; x++)
		{
			
			if (trav->next) {
				trav = trav->next;
				thisPart->tail()->next = new path(trav->n);
			}
			else
				break;
		}
		
		toChain.clear();
		findGoalNode(aMap,trav->n,toChain);
		
		lastPath = doRefinement(aMap, thisPart, fromChain,toChain);
		//delete thisPart;
	}
	else
		lastPath = doRefinement(aMap, abs, fromChain, toChain);
	
	//	if (verbose){
	// 	std::cout<<"before smoothing :";
	// 	lastPath->print();
	// 	std::cout<<std::endl;
	//}
	

if (smoothing)
{
	
	path* p = lastPath;
	lastPath = smoothPath(aMap,lastPath);
	delete p;
}
return lastPath;
//return trimPath(lastPath, to);
}
bool VoronoiPlanner::computePlan(costmap_2d::Costmap2D* costmap_, DynamicVoronoi * voronoi_,
                const geometry_msgs::PoseStamped& start,
                const geometry_msgs::PoseStamped& goal, double tolerance,
                std::vector<geometry_msgs::PoseStamped>& plan) {

        //Sure that plan is clear
        plan.clear();

        ros::NodeHandle n;

        double wx = start.pose.position.x;
        double wy = start.pose.position.y;

        unsigned int start_x_i, start_y_i, goal_x_i, goal_y_i;
        double start_x, start_y, goal_x, goal_y;

        if (!costmap_->worldToMap(wx, wy, start_x_i, start_y_i)) {
                ROS_WARN(
                                "The robot's start position is off the global costmap. Planning will always fail, are you sure the robot has been properly localized?");
                return false;
        }
        worldToMap(costmap_, wx, wy, start_x, start_y);

        wx = goal.pose.position.x;
        wy = goal.pose.position.y;

	if (!costmap_->worldToMap(wx, wy, goal_x_i, goal_y_i)) {
                ROS_WARN_THROTTLE(1.0,
                                "The goal sent to the global planner is off the global costmap. Planning will always fail to this goal.");
                return false;
        }
        worldToMap(costmap_, wx, wy, goal_x, goal_y);

        clearRobotCell(costmap_, start_x_i, start_y_i);
	bool ** map;
        computeVoronoi(voronoi_, costmap_, map);

        ros::Time t_b = ros::Time::now();
        ros::Time t = ros::Time::now();

        std::vector<std::pair<float, float> > path1;
        std::vector<std::pair<float, float> > path2;
        std::vector<std::pair<float, float> > path3;

	ROS_INFO("start_x %f, start_y %f", start_x, start_y);

        bool res1 = false, res2 = false, res3 = false;

	// If goal not are in cell of the vornoi diagram, we have that best findPath of goal to voronoi diagram without have a cell occupancie
	if (!voronoi_->isVoronoi(goal_x, goal_y)) {
                res3 = computePath(&path3, goal_x, goal_y, start_x, start_y, voronoi_, 0,
                                1);
                std::cout << "computePath goal to VD " << res3 << std::endl;
                goal_x = std::get < 0 > (path3[path3.size() - 1]);
                goal_y = std::get < 1 > (path3[path3.size() - 1]);

		ROS_INFO("Is voronoi goal compute %d", voronoi_->isVoronoi(goal_x, goal_y));		

                std::reverse(path3.begin(), path3.end());
        }

        if (!voronoi_->isVoronoi(start_x, start_y)) {
                res1 = computePath(&path1, start_x, start_y, goal_x, goal_y, voronoi_, 0,
                                1);
                std::cout << "computePath start to VD " << res1 << std::endl;
                start_x = std::get < 0 > (path1[path1.size() - 1]);
                start_y = std::get < 1 > (path1[path1.size() - 1]);

		ROS_INFO("Is voronoi start compute %d", voronoi_->isVoronoi(start_x, start_y));		
        }
	
	res2 = computePath(&path2, start_x, start_y, goal_x, goal_y, voronoi_, 1, 0);
        ROS_INFO("computePath %d", res2);

        if (!(res1 && res2 && res3)) {
                ROS_INFO("Failed to compute full path");
        }

        path1.insert(path1.end(), path2.begin(), path2.end());
        path1.insert(path1.end(), path3.begin(), path3.end());

        /*for (int i = 0; i < path1.size(); i++) {
                int x = std::get < 0 > (path1[i]);
                int y = std::get < 1 > (path1[i]);

                if (x > 0 && y > 0)
                        map[x][y] = 1;
        }*/

	smoothPath(&path1);

        for (int i = 0; i < path1.size(); i++) {

                geometry_msgs::PoseStamped new_goal = goal;
                tf::Quaternion goal_quat = tf::createQuaternionFromYaw(1.54);

                new_goal.pose.position.x = std::get < 0 > (path1[i]);
                new_goal.pose.position.y = std::get < 1 > (path1[i]);

                mapToWorld(costmap_, new_goal.pose.position.x, new_goal.pose.position.y,
                                new_goal.pose.position.x, new_goal.pose.position.y);

                new_goal.pose.orientation.x = goal_quat.x();
                new_goal.pose.orientation.y = goal_quat.y();
                new_goal.pose.orientation.z = goal_quat.z();
                new_goal.pose.orientation.w = goal_quat.w();
                plan.push_back(new_goal);
        }

        ROS_INFO("\nTime to get plan: %f sec\n", (ros::Time::now() - t_b).toSec());

        return !plan.empty();
}