Ejemplo n.º 1
0
                    img.augment(img.ref_obj), img.ref_img)
                #--- Individual Robot position ---#
                img.r_obj, err2, err3 = calib.get_leastsquares(
                    [cam], [img.augment(img.r_img)], 'hz', R_HEIGHT, r_real)
                imgs[i] = img
                cams[i] = cam
                pts[i] = img.augment(img.r_img)
                pts_ref[i] = img.augment(img.ref_img)
                errs[i] = err_img

            p_lq_fix, p_lq_free = leastsquares(choice_ref, pts_ref, cams, errs,
                                               img, pts, r_real, loop_counter,
                                               TIME)

            name = 'posobj_fix_' + str(choice_ref) + '_' + TIME + '.txt'
            p_lq_fix_wall = calib.change_ref_to_wall(PTS_BASIS, MARGIN,
                                                     p_lq_fix.T[0])
            calib.write_pos(out_dir, name, p_lq_fix_wall[0])
            name = 'posobj_free_' + str(choice_ref) + '_' + TIME + '.txt'
            p_lq_free_wall = calib.change_ref_to_wall(PTS_BASIS, MARGIN,
                                                      p_lq_free.T)
            calib.write_pos(out_dir, name, p_lq_free_wall[0])

#--------------------------- 4.2 Odometry Localization   ------------------#
        if DEBUG:
            choice = 'n'
        else:
            choice = input(ROBOT_ODO)
        if choice == 'y':

            # Connect to robot
            if not robot_connected:
Ejemplo n.º 2
0
    def plot_geometry(self, fname='', zoom=False):
        '''
        Plots all results read by read_files() in the wall reference frame.
        Run read_files() before running this function.

        _Parameters_:

        [fname:]    file name where resulting image is saved (within self.out_dir)
                        no output saved if not specified or set to '' (default '')

        [zoom:]     weather to zoom to positions or not. (default False)

        _Returns_: Nothing
        '''
        if zoom:
            plt.figure(figsize=(10, 5))
        else:
            plt.figure(figsize=(9, 8))
        legend_str = []

        if not zoom:
            # plot line between frist two reference points
            ax = plt.plot(PTS_BASIS[:, 0],
                          PTS_BASIS[:, 1],
                          color='k',
                          linestyle='-')
            legend_str.append('ref basis')
            # plot reference coordinate system
            origin = calib.change_ref_to_wall(PTS_BASIS, MARGIN,
                                              np.matrix([0, 0, 0]))
            xaxis = calib.change_ref_to_wall(PTS_BASIS, MARGIN,
                                             np.matrix([MARGIN[1], 0, 0]))
            yaxis = calib.change_ref_to_wall(PTS_BASIS, MARGIN,
                                             np.matrix([0, MARGIN[1], 0]))
            plt.plot([yaxis[0, 0], origin[0, 0], xaxis[0, 0]],
                     [yaxis[0, 1], origin[0, 1], xaxis[0, 1]],
                     color='b',
                     linestyle=':')
            legend_str.append('ref origin')
            # plot wall
            x = [0, WIDTH_ROOM, WIDTH_ROOM, 0, 0]
            y = [0, 0, HEIGHT_ROOM, HEIGHT_ROOM, 0]
            plt.plot(x, y, linestyle='dashed', color='k')
            legend_str.append('walls')
        # plot robot positions
        if self.output_real != '':
            plt.plot(self.real[:, 0], self.real[:, 1], marker='o', color='g')
            legend_str.append('real')
        # plot visual positions
        if self.output_vis_fix != '':
            if len(self.vis_fix.shape) > 1:
                plt.plot(self.vis_fix[:, 0],
                         self.vis_fix[:, 1],
                         marker='x',
                         color='r')
            else:
                plt.plot(self.vis_fix[0],
                         self.vis_fix[1],
                         marker='x',
                         color='r')
            if zoom:
                error = np.linalg.norm(self.real[:, :2] - self.vis_fix[:, :2]
                                       ) / self.real.shape[0]
                legend_str.append(
                    'visual fixed RMS-error = {0:3.2f}'.format(error))
            else:
                legend_str.append('visual fixed')
        if self.output_vis_free != '':
            if len(self.vis_free.shape) > 1:
                plt.plot(self.vis_free[:, 0],
                         self.vis_free[:, 1],
                         marker='x',
                         color='grey')
            else:
                plt.plot(self.vis_free[0],
                         self.vis_free[1],
                         marker='x',
                         color='grey')
            if zoom:
                error = np.linalg.norm(self.real[:, :2] - self.vis_free[:, :2]
                                       ) / self.real.shape[0]
                legend_str.append(
                    'visual free RMS-error = {0:3.2f}'.format(error))
            else:
                legend_str.append('visual free')
        # plot odometry positions
        if self.output_enc != '':
            pos_0 = [round(self.real[0, 0]), round(self.real[0, 1]), THETA_0]
            self.odo = self.odometry(pos_0)
            plt.plot(self.odo[:, 0], self.odo[:, 1], marker='x', color='k')
            if zoom:
                error = np.linalg.norm(self.real[:, :2] -
                                       self.odo[:, :2]) / self.real.shape[0]
                legend_str.append(
                    'odometry RMS-error = {0:3.2f}'.format(error))
            else:
                legend_str.append('odometry')
        # plot expected robot movement
        if self.output_mov != '':
            plt.plot(self.mov[:, 0],
                     self.mov[:, 1],
                     marker='o',
                     markersize=2,
                     color='k')
            error = np.linalg.norm(self.real[:, :2] -
                                   self.mov[:, :2]) / self.real.shape[0]
            legend_str.append('expected RMS-error = {0:3.2f}'.format(error))
        # plot camera positions
        if self.output_cam != '' and not zoom:
            cam_wall = []
            # first time: change to wall reference frame.
            if self.camwall == '':
                for c in self.cam:
                    res = calib.change_ref_to_wall(PTS_BASIS, MARGIN,
                                                   c[1:].reshape(1, 3))
                    c[1:] = res[0]
                    cam_wall.append(c)
                self.camwall = np.array(cam_wall)
            colors = {139: 'blue', 141: 'red', 143: 'green', 145: 'orange'}
            for i in range(0, self.camwall.shape[0]):
                plt.plot(self.camwall[i, 1],
                         self.camwall[i, 2],
                         marker='x',
                         linestyle='',
                         color=colors[self.camwall[i, 0]])
                #legend_str.append(str(int(self.camwall[i,0])))
        if self.output_camreal != '' and not zoom:
            colors = {139: 'blue', 141: 'red', 143: 'green', 145: 'orange'}
            for i in range(0, self.camreal.shape[0]):
                plt.plot(self.camreal[i, 1],
                         self.camreal[i, 2],
                         marker='o',
                         linestyle='',
                         color=colors[self.camreal[i, 0]])
                #legend_str.append(str(int(self.camreal[i,0])))
        plt.legend(legend_str, 'best')
        # plot properties
        plt.grid(True)
        plt.xlabel('x [mm]'), plt.ylabel('y [mm]')
        if zoom:
            #plt.xlim([2000,5000])
            #plt.ylim([2000,5000])
            ax = plt.gca()
            ax.relim()
            ax.autoscale_view()
            plt.axes().set_aspect('equal')
            plt.title('Experimental Results - Robot Positions\n')
        else:
            plt.axes().set_aspect('equal')
            plt.xlim([-1000, 8000])
            plt.ylim([-1000, 8000])
            plt.title('Experimental Results in Room Reference Frame \n')
        plt.show(block=False)
        if fname != '':
            plt.savefig(self.out_dir + fname)
Ejemplo n.º 3
0
    def plot_geometry(self,fname='',zoom=False):
        '''
        Plots all results read by read_files() in the wall reference frame.
        Run read_files() before running this function.

        _Parameters_:

        [fname:]    file name where resulting image is saved (within self.out_dir)
                        no output saved if not specified or set to '' (default '')

        [zoom:]     weather to zoom to positions or not. (default False)

        _Returns_: Nothing
        '''
        if zoom:
            plt.figure(figsize=(10,5))
        else:
            plt.figure(figsize=(9,8))
        legend_str=[]

        if not zoom:
            # plot line between frist two reference points
            ax = plt.plot(PTS_BASIS[:,0],PTS_BASIS[:,1],color='k',linestyle='-')
            legend_str.append('ref basis')
            # plot reference coordinate system
            origin=calib.change_ref_to_wall(PTS_BASIS,MARGIN,np.matrix([0,0,0]))
            xaxis=calib.change_ref_to_wall(PTS_BASIS,MARGIN,np.matrix([MARGIN[1],0,0]))
            yaxis=calib.change_ref_to_wall(PTS_BASIS,MARGIN,np.matrix([0,MARGIN[1],0]))
            plt.plot([yaxis[0,0],origin[0,0],xaxis[0,0]],[yaxis[0,1],origin[0,1],xaxis[0,1]],color='b',linestyle=':')
            legend_str.append('ref origin')
            # plot wall
            x=[0,WIDTH_ROOM,WIDTH_ROOM,0,0]
            y=[0,0,HEIGHT_ROOM,HEIGHT_ROOM,0]
            plt.plot(x,y,linestyle='dashed',color='k')
            legend_str.append('walls')
        # plot robot positions
        if self.output_real!='':
            plt.plot(self.real[:,0],self.real[:,1],marker='o',color='g')
            legend_str.append('real')
        # plot visual positions
        if self.output_vis_fix!='':
            if len(self.vis_fix.shape) > 1:
                plt.plot(self.vis_fix[:,0],self.vis_fix[:,1],marker='x',color='r')
            else:
                plt.plot(self.vis_fix[0],self.vis_fix[1],marker='x',color='r')
            if zoom:
                error = np.linalg.norm(self.real[:,:2]-self.vis_fix[:,:2])/self.real.shape[0]
                legend_str.append('visual fixed RMS-error = {0:3.2f}'.format(error))
            else:
                legend_str.append('visual fixed')
        if self.output_vis_free!='':
            if len(self.vis_free.shape) > 1:
                plt.plot(self.vis_free[:,0],self.vis_free[:,1],marker='x',color='grey')
            else:
                plt.plot(self.vis_free[0],self.vis_free[1],marker='x',color='grey')
            if zoom:
                error = np.linalg.norm(self.real[:,:2]-self.vis_free[:,:2])/self.real.shape[0]
                legend_str.append('visual free RMS-error = {0:3.2f}'.format(error))
            else:
                legend_str.append('visual free')
        # plot odometry positions
        if self.output_enc!='':
            pos_0 = [round(self.real[0,0]),round(self.real[0,1]),THETA_0]
            self.odo = self.odometry(pos_0)
            plt.plot(self.odo[:,0],self.odo[:,1],marker='x',color='k')
            if zoom:
                error = np.linalg.norm(self.real[:,:2]-self.odo[:,:2])/self.real.shape[0]
                legend_str.append('odometry RMS-error = {0:3.2f}'.format(error))
            else:
                legend_str.append('odometry')
        # plot expected robot movement
        if self.output_mov!='':
            plt.plot(self.mov[:,0],self.mov[:,1],marker='o',markersize=2,color='k')
            error = np.linalg.norm(self.real[:,:2]-self.mov[:,:2])/self.real.shape[0]
            legend_str.append('expected RMS-error = {0:3.2f}'.format(error))
        # plot camera positions
        if self.output_cam!='' and not zoom:
            cam_wall = []
            # first time: change to wall reference frame.
            if self.camwall=='':
                for c in self.cam:
                    res=calib.change_ref_to_wall(PTS_BASIS,MARGIN,c[1:].reshape(1,3))
                    c[1:]=res[0]
                    cam_wall.append(c)
                self.camwall = np.array(cam_wall)
            colors={139:'blue',141:'red',143:'green',145:'orange'}
            for i in range(0,self.camwall.shape[0]):
                plt.plot(self.camwall[i,1],self.camwall[i,2],marker='x',linestyle='',color=colors[self.camwall[i,0]])
                #legend_str.append(str(int(self.camwall[i,0])))
        if self.output_camreal!='' and not zoom:
            colors={139:'blue',141:'red',143:'green',145:'orange'}
            for i in range(0,self.camreal.shape[0]):
                plt.plot(self.camreal[i,1],self.camreal[i,2],marker='o',linestyle='',color=colors[self.camreal[i,0]])
                #legend_str.append(str(int(self.camreal[i,0])))
        plt.legend(legend_str,'best')
        # plot properties
        plt.grid(True)
        plt.xlabel('x [mm]'),plt.ylabel('y [mm]')
        if zoom:
            #plt.xlim([2000,5000])
            #plt.ylim([2000,5000])
            ax=plt.gca()
            ax.relim()
            ax.autoscale_view()
            plt.axes().set_aspect('equal')
            plt.title('Experimental Results - Robot Positions\n')
        else:
            plt.axes().set_aspect('equal')
            plt.xlim([-1000,8000])
            plt.ylim([-1000,8000])
            plt.title('Experimental Results in Room Reference Frame \n')
        plt.show(block=False)
        if fname!='':
            plt.savefig(self.out_dir+fname)
Ejemplo n.º 4
0
                cam.reposition(img.ref_obj,img.ref_img,flag)
                ref, err_img,lamda = cam.check_imagepoints(img.augment(img.ref_obj),
                                                        img.ref_img)
                #--- Individual Robot position ---#
                img.r_obj,err2,err3 = calib.get_leastsquares([cam],[img.augment(img.r_img)],
                                                        'hz',R_HEIGHT,r_real)
                imgs[i]=img
                cams[i]=cam
                pts[i]=img.augment(img.r_img)
                pts_ref[i]=img.augment(img.ref_img)
                errs[i]=err_img

            p_lq_fix,p_lq_free=leastsquares(choice_ref,pts_ref,cams,errs,img,pts,r_real,loop_counter,TIME)

            name='posobj_fix_'+str(choice_ref)+'_'+TIME+'.txt'
            p_lq_fix_wall = calib.change_ref_to_wall(PTS_BASIS,MARGIN,p_lq_fix.T[0])
            calib.write_pos(out_dir,name,p_lq_fix_wall[0])
            name='posobj_free_'+str(choice_ref)+'_'+TIME+'.txt'
            p_lq_free_wall = calib.change_ref_to_wall(PTS_BASIS,MARGIN,p_lq_free.T)
            calib.write_pos(out_dir,name,p_lq_free_wall[0])

#--------------------------- 4.2 Odometry Localization   ------------------#
        if DEBUG:
            choice='n'
        else:
            choice = raw_input(ROBOT_ODO)
        if choice == 'y':

            # Connect to robot
            if not robot_connected:
                Robot = move.Robot()