Пример #1
0
def window(name):
	# Create a frame for this window and fill it with a nice color
	frame = np.zeros((200, 500, 3), np.uint8)
	frame[:] = (49, 52, 49)

	# Inform cvui that the components to be rendered from now one belong to
	# a window in particular.
	#
	# If you don't inform that, cvui will assume the components belong to
	# the default window (informed in cvui.init()). In that case, the
	# interactions with all other windows being used will not work.
	cvui.context(name)

	# Show info regarding the window
	cvui.printf(frame, 110, 50, '%s - click the button', name)

	# Buttons return true if they are clicked
	if cvui.button(frame, 110, 90, 'Button'):
		cvui.printf(frame, 200, 95, 'Button clicked!')
		print('Button clicked on: ', name)

	# Tell cvui to update its internal structures regarding a particular window.
	#
	# If cvui is being used in multiple windows, you need to enclose all component
	# calls between the pair cvui.context(NAME)/cvui.update(NAME), where NAME is
	# the name of the window being worked on.
	cvui.update(name)

	# Show the content of this window on the screen
	cvui.imshow(name, frame)
Пример #2
0
 def windows_show(self):
     cvui.update()
     cvui.context(self.mainwindow_name)
     cvui.imshow(self.mainwindow_name, self.mainframe)
     cv2.displayStatusBar(
         self.mainwindow_name,
         "{:3.2f}pmm X:{:03d} Y:{:03d} Focus:{:05d} Contours:{:02d} Xmm:{:7.2f}  Ymm{:7.2f} Color:{}"
         .format(self.cal_line_distance_total, self.mouse_x, self.mouse_y,
                 int(self.focus_value), self.contours_found_quan,
                 self.actual_mm_x, self.actual_mm_y,
                 str(self.mouse_color)), 0)
Пример #3
0
def main():
    # We have one mat for each window.
    frame1 = np.zeros((1024, 768, 3), np.uint8)

    # Create variables used by some components
    window1_values = []
    window2_values = []

    img = cv2.imread('Images/yoga.jpg', cv2.IMREAD_COLOR)
    imgRed = cv2.imread('Images/mic.jpg', cv2.IMREAD_COLOR)
    imgGray = cv2.imread('Images/gamb.jpg', cv2.IMREAD_COLOR)
    img = cv2.resize(img, (200, 200))
    imgRed = cv2.resize(imgGray, (200, 200))
    imgGray = cv2.resize(imgRed, (200, 200))

    padding = 10

    # Fill the vector with a few random values
    for i in range(0, 20):
        window1_values.append(random.uniform(0., 300.0))
        window2_values.append(random.uniform(0., 300.0))

    # Start two OpenCV windows
    cv2.namedWindow(WINDOW1_NAME)
    cv2.namedWindow(WINDOW2_NAME)

    # Init cvui and inform it to use the first window as the default one.
    # cvui.init() will automatically watch the informed window.
    cvui.init(WINDOW1_NAME)

    # Tell cvui to keep track of mouse events in window2 as well.
    cvui.watch(WINDOW2_NAME)

    while (True):
        # Inform cvui that all subsequent component calls and events are related to window 1.
        cvui.context(WINDOW1_NAME)

        # Fill the frame with a nice color
        frame1[:] = (49, 52, 49)

        cvui.beginRow(frame1, 10, 20, -1, -1, 10)
        cvui.image(img)
        cvui.button(img, imgGray, imgRed)
        cvui.endRow()

        # Update all components of window1, e.g. mouse clicks, and show it.
        cvui.update(WINDOW1_NAME)
        cv2.imshow(WINDOW1_NAME, frame1)

        # Check if ESC key was pressed
        if cv2.waitKey(20) == 27:
            break
Пример #4
0
def compact(name):
	# Create a frame for this window and fill it with a nice color
	frame = np.zeros((200, 500, 3), np.uint8)
	frame[:] = (49, 52, 49)

	# Inform cvui that the components to be rendered from now one belong to
	# a window in particular.
	#
	# If you don't inform that, cvui will assume the components belong to
	# the default window (informed in cvui.init()). In that case, the
	# interactions with all other windows being used will not work.
	cvui.context(name)

	cvui.printf(frame, 110, 50, '%s - click the button', name)
	if cvui.button(frame, 110, 90, 'Button'):
		cvui.printf(frame, 200, 95, 'Button clicked!')
		print('Button clicked on: ', name)

	# Tell cvui to update its internal structures regarding a particular window
	# then show it. Below we are using cvui.imshow(), which is cvui's version of
	# the existing cv2.imshow(). They behave exactly the same, the only difference
	# is that cvui.imshow() will automatically call cvui.update(name) for you.
	cvui.imshow(name, frame)
    def run(self):

        self.main_frame = np.zeros((380, 400, 3), np.uint8)

        cv.namedWindow(self.main_window_name)
        cvui.init(self.main_window_name)

        while True:

            cvui.context(self.main_window_name)

            self.main_frame[:] = (49, 52, 49)

            cvui.beginColumn(self.main_frame, 50, 20, -1, -1, 10)

            cvui.text('Click to open an image')

            if cvui.button('Select Image'):
                self.load_image()

            cvui.text('Load a previously saved txt file to current image')

            if cvui.button("Read Txt file"):
                self.read_txt()

            cvui.text('Save to txt file')

            if cvui.button('Save'):
                self.save_to_txt()

            if cvui.button("Show/Hide Index"):
                self.has_index = not self.has_index

            if cvui.button("Clear All Points"):
                self.points.clear()
                self.high_light_point = None

            cvui.text('Max click distance to select one point')
            cvui.text('adjust smaller if you want to click two close points')
            cvui.trackbar(200, self.threshold, 0.000, 0.02, 2, '%.4Lf')

            cvui.endColumn()

            cvui.update(self.main_window_name)
            cv.imshow(self.main_window_name, self.main_frame)

            key = cv.waitKey(20)
            if key == 27 or not self.is_window_open(self.main_window_name):
                self.tkinter_root.destroy()
                break

            if self.is_window_open(self.image_window_name):

                cvui.context(self.image_window_name)

                self.show_image = cv.resize(
                    self.origin_image, (self.actual_width, self.actual_height))

                for i, point in enumerate(self.points):
                    if i not in self.deleted_list:
                        self.draw_intersection(self.show_image, point, i)

                if self.high_light_point is not None:
                    point = self.points[self.high_light_point]
                    cv.circle(self.show_image,
                              (int(point[0] * self.actual_width),
                               int(point[1] * self.actual_height)), 5,
                              (0, 255, 255), 1)

                # Fill the error window if a vibrant color
                # if self.image_window_flag:

                cvui.update(self.image_window_name)
                cv.imshow(self.image_window_name, self.show_image)

                self.keyboard(key)
def main():
    # We have one mat for each window.
    frame1 = np.zeros((200, 500, 3), np.uint8)
    frame2 = np.zeros((200, 500, 3), np.uint8)
    frame3 = np.zeros((200, 500, 3), np.uint8)

    # Init cvui, instructing it to create 3 OpenCV windows.
    windows = [WINDOW1_NAME, WINDOW2_NAME, WINDOW3_NAME]
    cvui.init(windows, 3)

    while (True):
        # clear all frames
        frame1[:] = (49, 52, 49)
        frame2[:] = (49, 52, 49)
        frame3[:] = (49, 52, 49)

        # Inform cvui that all subsequent component calls and events are related to window 1.
        # We do that by calling cvui.context().
        cvui.context(WINDOW1_NAME)
        cvui.printf(
            frame1, 10, 10,
            'In window1, mouse is at: %d,%d (obtained from window name)',
            cvui.mouse(WINDOW1_NAME).x,
            cvui.mouse(WINDOW1_NAME).y)
        if cvui.mouse(WINDOW1_NAME, cvui.LEFT_BUTTON, cvui.IS_DOWN):
            cvui.printf(frame1, 10, 30,
                        'In window1, mouse LEFT_BUTTON is DOWN')
        cvui.imshow(WINDOW1_NAME, frame1)

        # From this point on, we are going to render the second window. We need to inform cvui
        # that all updates and components from now on are connected to window 2.
        cvui.context(WINDOW2_NAME)
        cvui.printf(frame2, 10, 10,
                    'In window2, mouse is at: %d,%d (obtained from context)',
                    cvui.mouse().x,
                    cvui.mouse().y)
        if cvui.mouse(cvui.LEFT_BUTTON, cvui.IS_DOWN):
            cvui.printf(frame2, 10, 30,
                        'In window2, mouse LEFT_BUTTON is DOWN')
        cvui.imshow(WINDOW2_NAME, frame2)

        # Finally we are going to render the thrid window. Again we need to inform cvui
        # that all updates and components from now on are connected to window 3.
        cvui.context(WINDOW3_NAME)
        cvui.printf(frame3, 10, 10, 'In window1, mouse is at: %d,%d',
                    cvui.mouse(WINDOW1_NAME).x,
                    cvui.mouse(WINDOW1_NAME).y)
        cvui.printf(frame3, 10, 30, 'In window2, mouse is at: %d,%d',
                    cvui.mouse(WINDOW2_NAME).x,
                    cvui.mouse(WINDOW2_NAME).y)
        cvui.printf(frame3, 10, 50, 'In window3, mouse is at: %d,%d',
                    cvui.mouse(WINDOW3_NAME).x,
                    cvui.mouse(WINDOW3_NAME).y)
        if cvui.mouse(WINDOW1_NAME, cvui.LEFT_BUTTON, cvui.IS_DOWN):
            cvui.printf(frame3, 10, 90, 'window1: LEFT_BUTTON is DOWN')
        if cvui.mouse(WINDOW2_NAME, cvui.LEFT_BUTTON, cvui.IS_DOWN):
            cvui.printf(frame3, 10, 110, 'window2: LEFT_BUTTON is DOWN')
        if cvui.mouse(WINDOW3_NAME, cvui.LEFT_BUTTON, cvui.IS_DOWN):
            cvui.printf(frame3, 10, 130, 'window3: LEFT_BUTTON is DOWN')
        cvui.imshow(WINDOW3_NAME, frame3)

        # Check if ESC key was pressed
        if cv2.waitKey(20) == 27:
            break
Пример #7
0
def teach_step(posed='Images/yoga.jpg', Check=False):
    Estimator = TfPoseEstimator
    frame1 = np.zeros((768, 1024, 3), np.uint8)

    WINDOW1_NAME = 'Dance Dance Pose'
    cv2.namedWindow(WINDOW1_NAME)
    cvui.init(WINDOW1_NAME)

    inferred = infer(posed)
    original = cv2.imread(posed)

    #time.sleep(5)
    if original.shape[0] != 480 or original.shape[1] != 640:
        original = cv2.resize(original, (368, 368))

    if Check:
        cv2.imwrite('check.jpg', inferred)

    inferred = inferred - original
    #inferred=cv2.copyMakeBorder(inferred[:,int(np.nonzero(inferred)[1][0]/2):],0,0,0,int(np.nonzero(inferred)[1][0]/2),cv2.BORDER_REPLICATE)

    timeout = time.time() + 10
    capture = cv2.VideoCapture(0)
    counter = [time.time()]
    x = 1

    while True:
        cvui.context(WINDOW1_NAME)

        ret, frame = capture.read()

        gray = frame
        if gray.shape[0] != 4810 or gray.shape[1] != 640:
            gray = cv2.resize(gray, (368, 368))

        dst = cv2.addWeighted(inferred, 0.5, gray, 0.5, 0)
        frame1[:] = (49, 52, 49)
        cvui.beginRow(frame1, 10, 20, -1, -1, 30)

        cvui.image(dst)
        cvui.image(original)

        cvui.endRow()

        cvui.beginRow(frame1, 10, 400, -1, -1, 30)
        cvui.counter(frame1, 100, 410, counter, 0.1, '%.1f')
        counter = [timeout - time.time() for x in counter]
        cvui.text(frame1, 10, 410, "Tick tick")
        cvui.endRow()

        cvui.update(WINDOW1_NAME)
        cv2.imshow(WINDOW1_NAME, frame1)

        if cv2.waitKey(1) & 0xFF == ord('q') or time.time() > timeout:

            filename = 'captures/capture' + \
                      str(int(x)) + ".png"
            x = x + 1
            cv2.imwrite(filename, frame)
            break

    inferred_capture = infer(filename)
    original_inferred = cv2.imread(filename)

    if original_inferred.shape[0] != 4380 or original_inferred.shape[1] != 640:
        inferred_capture = cv2.resize(inferred_capture, (368, 368))
        original_inferred = cv2.resize(original_inferred, (368, 368))

    while True:
        final = cv2.addWeighted(inferred, 0.5, inferred_capture, 0.5, 0)
        cv2.imshow('final', final)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break

    diff_inferred = inferred_capture - original_inferred
    bw_inferred = cv2.cvtColor(diff_inferred, cv2.COLOR_BGR2GRAY)
    bw_inferred[bw_inferred >= 1] = 1
    bw_inferred[bw_inferred < 1] = 0

    bw_orig_inferred = cv2.cvtColor(inferred, cv2.COLOR_BGR2GRAY)
    bw_orig_inferred[bw_orig_inferred >= 1] = 1
    bw_orig_inferred[bw_orig_inferred < 1] = 0
    total = bw_orig_inferred == bw_inferred

    print('')
    print('')
    print('Overlap:' + str((1 - np.sum(total) / np.size(total)) * 10))
Пример #8
0
def main():

    global keep_running

    # This is for saving video *with* detection boxes on it
    # To save raw video, use the CameraSaver.py script
    save_video = True
    if save_video:
        sz = (p.IMG_WIDTH_SPOTTER, p.IMG_HEIGHT_SPOTTER)
        fourcc = cv2.VideoWriter_fourcc(*'mp4v')
        vout = cv2.VideoWriter()
        vout.open('track_output.mp4', fourcc, p.FPS_SPOTTER, sz, False)

    signal.signal(signal.SIGINT, sigint_handler)

    control_panes = ControlPanes()
    control_panes.stage_control_pane = EnhancedWindow(0, 0, 300, 500,
                                                      'Stage Control')
    control_panes.focus_control_pane = EnhancedWindow(0, 20, 300, 500,
                                                      'Focus Control')
    control_panes.tracker_select_pane = EnhancedWindow(0, 40, 300, 500,
                                                       'Tracker Select')
    control_panes.canny_settings_pane = EnhancedWindow(0, 60, 300, 500,
                                                       'Canny Tuning')
    control_panes.threshold_setting_pane = EnhancedWindow(
        0, 80, 300, 500, 'Threshold Tuning')

    cvui.init(p.CTRL_WINDOW_NAME)
    cvui.init(p.VIDEO_WINDOW_NAME)

    context = zmq.Context()
    (video_socket, focus_sub, stage_sub, focus_state_sub, macro_sharpness_sub,
     track_socket, roi_socket, af_pub) = setup_zmq(context)

    stage_zero_offset = np.load('tank_corners_offset.npy')
    world_points = np.load('tank_corners.npy')
    intrinsic = np.load('intrinsic_calibration/ll_65/intrinsic.npy')

    stage_x = None
    stage_y = None
    stage_z = None
    z_moving = True
    current_ll_focus = None
    object_distance_ll = 0

    target_pos_obs = None
    target_pos = np.array([1, 1])
    target_pos_slow = target_pos.copy()
    feature_delta = np.array([0, 0])
    target_track_init = False
    STAGE_MODE = 'PAUSED'
    FOCUS_MODE = 'MANUAL'
    tracker_type = 'KCF'  # options are KCF or CANNY

    # These three structs store the state information necessary for the trackers
    canny_tracker_state = CannyTracker()
    canny_tracker_state.canny_low = [50]
    canny_tracker_state.canny_high = [150]

    kcf_tracker_state = KCFTracker()
    kcf_tracker_state.kcf_box_anchor = cvui.Point()
    kcf_tracker_state.kcf_roi = cvui.Rect(0, 0, 0, 0)
    kcf_tracker_state.kcf_tracker_init = False

    threshold_tracker_state = ThresholdTracker()
    threshold_tracker_state.threshold = [30]
    threshold_tracker_state.roi = cvui.Rect(0, 0, 0, 0)
    threshold_tracker_state.box_anchor = cvui.Point
    threshold_tracker_state.show_binary = [False]

    sharpness_focus_state = SharpnessFocusState()
    sharpness_focus_state.mode = 'COARSE'
    macro_sharpness = 0

    while keep_running:
        ctrl_frame = np.zeros((700, 300, 3), np.uint8)

        # Receive stage position updates
        try:
            stage_pos = stage_sub.recv_string()
            (stage_x, stage_y,
             stage_z_new) = [float(x) for x in stage_pos.split(' ')]
            if stage_z_new == stage_z:
                z_moving = False
            else:
                z_moving = True
            stage_z = stage_z_new
        except zmq.Again:
            # the stage publisher only publishes at ~10hz, so not having an update is common
            pass

        # Receive macro sharpness
        try:
            macro_sharpness_last = macro_sharpness
            macro_sharpness = float(macro_sharpness_sub.recv_string())
        except zmq.Again:
            # no sharpness value, which is unexpected
            print('No Macro Image Sharpness!')

        # receive next frame
        try:
            frame = recv_img(video_socket)
        except zmq.Again:
            print('Timed Out!')
            time.sleep(1)
            continue

        cvui.context(p.VIDEO_WINDOW_NAME)
        if cvui.mouse(cvui.IS_DOWN):
            (target_pos, feature_delta) = reset_target_selection()
            target_pos_slow = target_pos.copy()
            target_track_init = True
        feature_delta += get_feature_2delta()

        if stage_x is not None:
            stage_pos = np.array([stage_x, stage_y, -stage_z], ndmin=2).T
            frame = tank_corners_clip(frame, stage_pos, stage_zero_offset,
                                      world_points, intrinsic)

        # This is where the tracking happens. tracker_type is controlled by a button on the interface
        # Adding a new tracker is as simple as adding another case to this if/else and adding a button in
        # the UI to switch into the new tracking mode
        if tracker_type == 'CANNY':
            canny_tracker_state.target_pos = target_pos
            (target_pos_obs, roi, canny_tracker_state) = update_canny_tracker(
                frame, canny_tracker_state)

        elif tracker_type == 'KCF':
            cvui.context(p.VIDEO_WINDOW_NAME)
            (target_pos_obs, roi,
             kcf_tracker_state) = update_kcf_tracker(frame, kcf_tracker_state)

        elif tracker_type == 'THRESHOLD':
            cvui.context(p.VIDEO_WINDOW_NAME)
            threshold_tracker_state.target_pos = target_pos
            (target_pos_obs, roi,
             threshold_tracker_state) = update_threshold_tracker(
                 frame, threshold_tracker_state)

        else:
            print('Invalid tracker mode: %s' % tracker_type)
            roi = None
            keep_running = False

        # This roi_msg takes an roi that may have been identified around the animal and sends it over zmq
        # This enables any cameras trying to autofocus to know which roi to keep in focus
        # if no autofocusing is happening, then these messages don't do anything
        if roi is not None:
            roi_msg = m.SetFocusROI(roi[0], roi[1])
        else:
            roi_msg = m.SetFocusROI(None, None)
        roi_socket.send_pyobj(
            roi_msg
        )  # tell the LL camera (or anything else I guess) which ROI to focus

        (target_track_ok, target_pos,
         target_pos_slow) = filter_target_position(target_pos, target_pos_slow,
                                                   target_pos_obs)

        # This is probably where we want to use the other camera to estimate depth

        # Now we have a giant state machine. We need to structure the code this way, because we want 2D tracking and
        # user interaction to update even when we are waiting on some slower action to occur related to object depth
        # and focusing. The state machine provides a mechanism to handle these slower processes while not impeding the
        # rest of the tracking process.

        # STAGE_MODE = {MANUAL | AUTO | PAUSED}
        #   -- In MANUAL mode, dx,dy,dz all set by keyboard input.
        #   -- In AUTO mode, dx and dy are set by tracker. dz is set by autofocus if FOCUS_MODE is set to AUTO
        #   -- In PAUSED mode, dx = dy = dz = 0. The tracker will keep tracking, but the stage won't move
        #
        # FOCUS_MODE = {MANUAL | SHARPNESS | DEPTH}
        #   -- In MANUAL mode, dz is set by keyboard input
        #   -- In SHARPNESS mode, dz is set by trying to maximize sharpness, although the final position can be tweaked
        #      by user input. SHARPNESS mode does nothing if STAGE_MODE is MANUAL
        #   -- In DEPTH mode, dz is set by a target depth measurement that is estimated from a second camera
        #      (stereo or perpendicular)

        # Determine dx and dy
        if STAGE_MODE == 'PAUSED':  # -> Stage Control
            track_socket.send_string('0 0 0')
            dx = 0
            dy = 0
            dz = 0
        elif STAGE_MODE == 'MANUAL':  # TODO: Probably tune this better
            (dx, dy) = get_feature_2delta()
            dx = 10 * dx
            dy = 10 * dy
            print('FULL_MANUAL %f, %f' % (dx, dy))
            dz = manual_focus_update()
        elif STAGE_MODE == 'AUTO':
            # The tracker makes a determination in pixel space, then we may decide to filter it. We then determine the
            # dx and dy based on the distance between the feature of interest and the macro lens center
            # how much do we need to move in pixel-space?
            # Note dx and dy are 0 if there are no target tracks

            if stage_z is None:
                print('Waiting on stage node')
                dx = 0
                dy = 0
                dz = 0
            else:
                if target_pos_obs is not None:
                    if target_track_ok:
                        (dx, dy) = calculate_movement_offsets(
                            frame, target_pos, target_pos_slow, feature_delta)
                    else:
                        dx = 0
                        dy = 0
                else:
                    dx = 0
                    dy = 0
                    target_track_ok = False

                # When STAGE_MODE == 'AUTO', we need to determine how to handle the focusing
                if FOCUS_MODE == 'MANUAL':
                    dz = manual_focus_update()
                elif FOCUS_MODE == 'SHARPNESS':

                    sharpness_focus_state.stage_z = stage_z
                    sharpness_focus_state.macro_sharpness = macro_sharpness
                    sharpness_focus_state.z_moving = z_moving
                    dz, sharpness_focus_state = sharpness_focus(
                        sharpness_focus_state, af_pub, focus_state_sub,
                        video_socket, focus_sub)
                elif FOCUS_MODE == 'DEPTH':
                    # this is the mode when we have a second camera to estimate depth
                    dz = 0
                else:
                    # invalid focus mode
                    print('Invalid focus mode %s' % FOCUS_MODE)
                    sys.exit(1)
        else:
            print('Unknown stage mode: %s' % STAGE_MODE)
            dx = 0
            dy = 0
            dz = 0

        print(dx, dy, dz)
        track_socket.send_string(
            '%f %f %f' %
            (dx, dy, dz))  # 'wasteful', but easier debugging for now

        frame = cv2.resize(
            frame, (p.IMG_DISP_WIDTH_SPOTTER, p.IMG_DISP_HEIGHT_SPOTTER))

        # draw dots on frame centers
        cv2.circle(frame, (int(
            p.IMG_DISP_WIDTH_SPOTTER / 2), int(p.IMG_DISP_HEIGHT_SPOTTER / 2)),
                   5, (0, 0, 255), -1)  # center of frame
        cv2.circle(frame, (p.MACRO_LL_CENTER[0], p.MACRO_LL_CENTER[1]), 5,
                   (255, 0, 255), -1)  # center of macro frame frame

        cvui.update(p.VIDEO_WINDOW_NAME)
        cv2.imshow(p.VIDEO_WINDOW_NAME, frame)
        if save_video:
            vout.write(frame)

        cvui.context(p.CTRL_WINDOW_NAME)
        STAGE_MODE, FOCUS_MODE, tracker_type, macro_resweep, ll_resweep = draw_settings(
            ctrl_frame, control_panes, canny_tracker_state,
            threshold_tracker_state, STAGE_MODE, FOCUS_MODE, tracker_type)

        if macro_resweep:
            p.BYPASS_LL_ESTIMATE = True
            sharpness_focus_state.mode = 'FINE_UNINITIALIZED'

        if ll_resweep:
            if stage_z is not None:
                print('Liquid Lens Refocus!')
                dist_to_tank = (300 - stage_z) + p.STAGE_TANK_OFFSET
                ll_max = 2953.5 * dist_to_tank**-0.729
                ll_min = 2953.5 * (dist_to_tank + p.TANK_DEPTH_MM)**-0.729
                print('llmin, llmax: (%f, %f)' % (ll_min, ll_max))
                af_pub.send_pyobj(m.AutofocusMessage(ll_min, ll_max, 1))
            else:
                print('Cannot refocus liquid lens until stage node is running')

        cvui.update(p.CTRL_WINDOW_NAME)
        cv2.imshow(p.CTRL_WINDOW_NAME, ctrl_frame)
        cv2.waitKey(1)

    if save_video:
        vout.release()
Пример #9
0
def main():
    # We have one mat for each window.
    frame1 = np.zeros((600, 800, 3), np.uint8)
    frame2 = np.zeros((600, 800, 3), np.uint8)

    # Create variables used by some components
    window1_values = []
    window2_values = []
    window1_checked = [False]
    window1_checked2 = [False]
    window2_checked = [False]
    window2_checked2 = [False]
    window1_value = [1.0]
    window1_value2 = [1.0]
    window1_value3 = [1.0]
    window2_value = [1.0]
    window2_value2 = [1.0]
    window2_value3 = [1.0]

    img = cv2.imread('lena-face.jpg', cv2.IMREAD_COLOR)
    imgRed = cv2.imread('lena-face-red.jpg', cv2.IMREAD_COLOR)
    imgGray = cv2.imread('lena-face-gray.jpg', cv2.IMREAD_COLOR)

    padding = 10

    # Fill the vector with a few random values
    for i in range(0, 20):
        window1_values.append(random.uniform(0., 300.0))
        window2_values.append(random.uniform(0., 300.0))

    # Start two OpenCV windows
    cv2.namedWindow(WINDOW1_NAME)
    cv2.namedWindow(WINDOW2_NAME)

    # Init cvui and inform it to use the first window as the default one.
    # cvui.init() will automatically watch the informed window.
    cvui.init(WINDOW1_NAME)

    # Tell cvui to keep track of mouse events in window2 as well.
    cvui.watch(WINDOW2_NAME)

    while (True):
        # Inform cvui that all subsequent component calls and events are related to window 1.
        cvui.context(WINDOW1_NAME)

        # Fill the frame with a nice color
        frame1[:] = (49, 52, 49)

        cvui.beginRow(frame1, 10, 20, 100, 50)
        cvui.text('This is ')
        cvui.printf('a row')
        cvui.checkbox('checkbox', window1_checked)
        cvui.window(80, 80, 'window')
        cvui.rect(50, 50, 0x00ff00, 0xff0000)
        cvui.sparkline(window1_values, 50, 50)
        cvui.counter(window1_value)
        cvui.button(100, 30, 'Fixed')
        cvui.image(img)
        cvui.button(img, imgGray, imgRed)
        cvui.endRow()

        padding = 50
        cvui.beginRow(frame1, 10, 150, 100, 50, padding)
        cvui.text('This is ')
        cvui.printf('another row')
        cvui.checkbox('checkbox', window1_checked2)
        cvui.window(80, 80, 'window')
        cvui.button(100, 30, 'Fixed')
        cvui.printf('with 50px paddin7hg.')
        cvui.endRow()

        cvui.beginRow(frame1, 10, 250, 100, 50)
        cvui.text('This is ')
        cvui.printf('another row with a trackbar ')
        cvui.trackbar(150, window1_value2, 0., 5.)
        cvui.printf(' and a button ')
        cvui.button(100, 30, 'button')
        cvui.endRow()

        cvui.beginColumn(frame1, 50, 330, 100, 200)
        cvui.text('Column 1 (no padding)')
        cvui.button('button1')
        cvui.button('button2')
        cvui.text('End of column 1')
        cvui.endColumn()

        padding = 10
        cvui.beginColumn(frame1, 300, 330, 100, 200, padding)
        cvui.text('Column 2 (padding = 10)')
        cvui.button('button1')
        cvui.button('button2')
        cvui.trackbar(150, window1_value3, 0., 5., 1, '%3.2Lf',
                      cvui.TRACKBAR_DISCRETE, 0.25)
        cvui.text('End of column 2')
        cvui.endColumn()

        cvui.beginColumn(frame1, 550, 330, 100, 200)
        cvui.text('Column 3 (use space)')
        cvui.space(5)
        cvui.button('button1 5px below')
        cvui.space(50)
        cvui.text('Text 50px below')
        cvui.space(20)
        cvui.button('Button 20px below')
        cvui.space(40)
        cvui.text('End of column 2 (40px below)')
        cvui.endColumn()

        # Update all components of window1, e.g. mouse clicks, and show it.
        cvui.update(WINDOW1_NAME)
        cv2.imshow(WINDOW1_NAME, frame1)

        # From this point on, we are going to render the second window. We need to inform cvui
        # that all updates and components from now on are connected to window 2.
        # We do that by calling cvui.context().
        cvui.context(WINDOW2_NAME)
        frame2[:] = (49, 52, 49)

        cvui.beginRow(frame2, 10, 20, 100, 50)
        cvui.text('This is ')
        cvui.printf('a row')
        cvui.checkbox('checkbox', window2_checked)
        cvui.window(80, 80, 'window')
        cvui.rect(50, 50, 0x00ff00, 0xff0000)
        cvui.sparkline(window2_values, 50, 50)
        cvui.counter(window2_value)
        cvui.button(100, 30, 'Fixed')
        cvui.image(img)
        cvui.button(img, imgGray, imgRed)
        cvui.endRow()

        padding = 50
        cvui.beginRow(frame2, 10, 150, 100, 50, padding)
        cvui.text('This is ')
        cvui.printf('another row')
        cvui.checkbox('checkbox', window2_checked2)
        cvui.window(80, 80, 'window')
        cvui.button(100, 30, 'Fixed')
        cvui.printf('with 50px paddin7hg.')
        cvui.endRow()

        # Another row mixing several components
        cvui.beginRow(frame2, 10, 250, 100, 50)
        cvui.text('This is ')
        cvui.printf('another row with a trackbar ')
        cvui.trackbar(150, window2_value2, 0., 5.)
        cvui.printf(' and a button ')
        cvui.button(100, 30, 'button')
        cvui.endRow()

        cvui.beginColumn(frame2, 50, 330, 100, 200)
        cvui.text('Column 1 (no padding)')
        cvui.button('button1')
        cvui.button('button2')
        cvui.text('End of column 1')
        cvui.endColumn()

        padding = 10
        cvui.beginColumn(frame2, 300, 330, 100, 200, padding)
        cvui.text('Column 2 (padding = 10)')
        cvui.button('button1')
        cvui.button('button2')
        cvui.trackbar(150, window2_value3, 0., 5., 1, '%3.2Lf',
                      cvui.TRACKBAR_DISCRETE, 0.25)
        cvui.text('End of column 2')
        cvui.endColumn()

        cvui.beginColumn(frame2, 550, 330, 100, 200)
        cvui.text('Column 3 (use space)')
        cvui.space(5)
        cvui.button('button1 5px below')
        cvui.space(50)
        cvui.text('Text 50px below')
        cvui.space(20)
        cvui.button('Button 20px below')
        cvui.space(40)
        cvui.text('End of column 2 (40px below)')
        cvui.endColumn()

        # Update all components of window2, e.g. mouse clicks, and show it.
        cvui.update(WINDOW2_NAME)
        cv2.imshow(WINDOW2_NAME, frame2)

        # Check if ESC key was pressed
        if cv2.waitKey(20) == 27:
            break
Пример #10
0
def main():
    # We have one mat for each window.
    frame1 = np.zeros((150, 600, 3), np.uint8)
    frame2 = np.zeros((150, 600, 3), np.uint8)
    error_frame = np.zeros((100, 300, 3), np.uint8)

    # Flag to control if we should show an error window.
    error = False

    # Create two OpenCV windows
    cv2.namedWindow(GUI_WINDOW1_NAME)
    cv2.namedWindow(GUI_WINDOW2_NAME)

    # Init cvui and inform it to use the first window as the default one.
    # cvui.init() will automatically watch the informed window.
    cvui.init(GUI_WINDOW1_NAME)

    # Tell cvui to keep track of mouse events in window2 as well.
    cvui.watch(GUI_WINDOW2_NAME)

    while (True):
        # Inform cvui that all subsequent component calls and events are related to window 1.
        cvui.context(GUI_WINDOW1_NAME)

        # Fill the frame with a nice color
        frame1[:] = (49, 52, 49)

        cvui.beginColumn(frame1, 50, 20, -1, -1, 10)
        cvui.text('[Win1] Use the buttons below to control the error window')

        if cvui.button('Close'):
            closeWindow(ERROR_WINDOW_NAME)

        # If the button is clicked, we open the error window.
        # The content and rendering of such error window will be performed
        # after we handled all other windows.
        if cvui.button('Open'):
            error = True
            openWindow(ERROR_WINDOW_NAME)
        cvui.endColumn()

        # Update all components of window1, e.g. mouse clicks, and show it.
        cvui.update(GUI_WINDOW1_NAME)
        cv2.imshow(GUI_WINDOW1_NAME, frame1)

        # From this point on, we are going to render the second window. We need to inform cvui
        # that all updates and components from now on are connected to window 2.
        # We do that by calling cvui.context().
        cvui.context(GUI_WINDOW2_NAME)
        frame2[:] = (49, 52, 49)

        cvui.beginColumn(frame2, 50, 20, -1, -1, 10)
        cvui.text('[Win2] Use the buttons below to control the error window')

        if cvui.button('Close'):
            closeWindow(ERROR_WINDOW_NAME)

        # If the button is clicked, we open the error window.
        # The content and rendering of such error window will be performed
        # after we handled all other windows.
        if cvui.button('Open'):
            openWindow(ERROR_WINDOW_NAME)
            error = True
        cvui.endColumn()

        # Update all components of window2, e.g. mouse clicks, and show it.
        cvui.update(GUI_WINDOW2_NAME)
        cv2.imshow(GUI_WINDOW2_NAME, frame2)

        # Handle the content and rendering of the error window,
        # if we have un active error and the window is actually open.
        if error and isWindowOpen(ERROR_WINDOW_NAME):
            # Inform cvui that all subsequent component calls and events are
            # related to the error window from now on
            cvui.context(ERROR_WINDOW_NAME)

            # Fill the error window if a vibrant color
            error_frame[:] = (10, 10, 49)

            cvui.text(error_frame, 70, 20, 'This is an error message', 0.4,
                      0xff0000)

            if cvui.button(error_frame, 110, 40, 'Close'):
                error = False

            if error:
                # We still have an active error.
                # Update all components of the error window, e.g. mouse clicks, and show it.
                cvui.update(ERROR_WINDOW_NAME)
                cv2.imshow(ERROR_WINDOW_NAME, error_frame)
            else:
                # No more active error. Let's close the error window.
                closeWindow(ERROR_WINDOW_NAME)

        # Check if ESC key was pressed
        if cv2.waitKey(20) == 27:
            break
def main():
	# We have one mat for each window.
	frame1 = np.zeros((150, 600, 3), np.uint8)
	frame2 = np.zeros((150, 600, 3), np.uint8)
	error_frame = np.zeros((100, 300, 3), np.uint8)

	# Flag to control if we should show an error window.
	error = False

	# Create two OpenCV windows
	cv2.namedWindow(GUI_WINDOW1_NAME)
	cv2.namedWindow(GUI_WINDOW2_NAME)
	
	# Init cvui and inform it to use the first window as the default one.
	# cvui.init() will automatically watch the informed window.
	cvui.init(GUI_WINDOW1_NAME)

	# Tell cvui to keep track of mouse events in window2 as well.
	cvui.watch(GUI_WINDOW2_NAME)

	while (True):
		# Inform cvui that all subsequent component calls and events are related to window 1.
		cvui.context(GUI_WINDOW1_NAME)

		# Fill the frame with a nice color
		frame1[:] = (49, 52, 49)

		cvui.beginColumn(frame1, 50, 20, -1, -1, 10)
		cvui.text('[Win1] Use the buttons below to control the error window')
			
		if cvui.button('Close'):
			closeWindow(ERROR_WINDOW_NAME)

		# If the button is clicked, we open the error window.
		# The content and rendering of such error window will be performed
		# after we handled all other windows.
		if cvui.button('Open'):
			error = True
			openWindow(ERROR_WINDOW_NAME)
		cvui.endColumn()

		# Update all components of window1, e.g. mouse clicks, and show it.
		cvui.update(GUI_WINDOW1_NAME)
		cv2.imshow(GUI_WINDOW1_NAME, frame1)

		# From this point on, we are going to render the second window. We need to inform cvui
		# that all updates and components from now on are connected to window 2.
		# We do that by calling cvui.context().
		cvui.context(GUI_WINDOW2_NAME)
		frame2[:] = (49, 52, 49)
		
		cvui.beginColumn(frame2, 50, 20, -1, -1, 10)
		cvui.text('[Win2] Use the buttons below to control the error window')

		if cvui.button('Close'):
			closeWindow(ERROR_WINDOW_NAME)

		# If the button is clicked, we open the error window.
		# The content and rendering of such error window will be performed
		# after we handled all other windows.
		if cvui.button('Open'):
			openWindow(ERROR_WINDOW_NAME)
			error = True
		cvui.endColumn()

		# Update all components of window2, e.g. mouse clicks, and show it.
		cvui.update(GUI_WINDOW2_NAME)
		cv2.imshow(GUI_WINDOW2_NAME, frame2)

		# Handle the content and rendering of the error window,
		# if we have un active error and the window is actually open.
		if error and isWindowOpen(ERROR_WINDOW_NAME):
			# Inform cvui that all subsequent component calls and events are
			# related to the error window from now on
			cvui.context(ERROR_WINDOW_NAME)

			# Fill the error window if a vibrant color
			error_frame[:] = (10, 10, 49)

			cvui.text(error_frame, 70, 20, 'This is an error message', 0.4, 0xff0000)

			if cvui.button(error_frame, 110, 40, 'Close'):
				error = False

			if error:
				# We still have an active error.
				# Update all components of the error window, e.g. mouse clicks, and show it.
				cvui.update(ERROR_WINDOW_NAME)
				cv2.imshow(ERROR_WINDOW_NAME, error_frame)
			else:
				# No more active error. Let's close the error window.
				closeWindow(ERROR_WINDOW_NAME)

		# Check if ESC key was pressed
		if cv2.waitKey(20) == 27:
			break
Пример #12
0
def main():
	# We have one mat for each window.
	frame1 = np.zeros((600, 800, 3), np.uint8)
	frame2 = np.zeros((600, 800, 3), np.uint8)

	# Create variables used by some components
	window1_values = []
	window2_values = []
	window1_checked = [False]
	window1_checked2 = [False]
	window2_checked = [False]
	window2_checked2 = [False]
	window1_value = [1.0]
	window1_value2 = [1.0]
	window1_value3 = [1.0]
	window2_value = [1.0]
	window2_value2 = [1.0]
	window2_value3 = [1.0]

	img = cv2.imread('lena-face.jpg', cv2.IMREAD_COLOR)
	imgRed = cv2.imread('lena-face-red.jpg', cv2.IMREAD_COLOR)
	imgGray = cv2.imread('lena-face-gray.jpg', cv2.IMREAD_COLOR)

	padding = 10

	# Fill the vector with a few random values
	for i in range(0, 20):
		window1_values.append(random.uniform(0., 300.0))
		window2_values.append(random.uniform(0., 300.0))

	# Start two OpenCV windows
	cv2.namedWindow(WINDOW1_NAME)
	cv2.namedWindow(WINDOW2_NAME)
	
	# Init cvui and inform it to use the first window as the default one.
	# cvui.init() will automatically watch the informed window.
	cvui.init(WINDOW1_NAME)

	# Tell cvui to keep track of mouse events in window2 as well.
	cvui.watch(WINDOW2_NAME)

	while (True):
		# Inform cvui that all subsequent component calls and events are related to window 1.
		cvui.context(WINDOW1_NAME)

		# Fill the frame with a nice color
		frame1[:] = (49, 52, 49)

		cvui.beginRow(frame1, 10, 20, 100, 50)
		cvui.text('This is ')
		cvui.printf('a row')
		cvui.checkbox('checkbox', window1_checked)
		cvui.window(80, 80, 'window')
		cvui.rect(50, 50, 0x00ff00, 0xff0000)
		cvui.sparkline(window1_values, 50, 50)
		cvui.counter(window1_value)
		cvui.button(100, 30, 'Fixed')
		cvui.image(img)
		cvui.button(img, imgGray, imgRed)
		cvui.endRow()

		padding = 50
		cvui.beginRow(frame1, 10, 150, 100, 50, padding)
		cvui.text('This is ')
		cvui.printf('another row')
		cvui.checkbox('checkbox', window1_checked2)
		cvui.window(80, 80, 'window')
		cvui.button(100, 30, 'Fixed')
		cvui.printf('with 50px paddin7hg.')
		cvui.endRow()

		cvui.beginRow(frame1, 10, 250, 100, 50)
		cvui.text('This is ')
		cvui.printf('another row with a trackbar ')
		cvui.trackbar(150, window1_value2, 0., 5.)
		cvui.printf(' and a button ')
		cvui.button(100, 30, 'button')
		cvui.endRow()

		cvui.beginColumn(frame1, 50, 330, 100, 200)
		cvui.text('Column 1 (no padding)')
		cvui.button('button1')
		cvui.button('button2')
		cvui.text('End of column 1')
		cvui.endColumn()

		padding = 10
		cvui.beginColumn(frame1, 300, 330, 100, 200, padding)
		cvui.text('Column 2 (padding = 10)')
		cvui.button('button1')
		cvui.button('button2')
		cvui.trackbar(150, window1_value3, 0., 5., 1, '%3.2Lf', cvui.TRACKBAR_DISCRETE, 0.25)
		cvui.text('End of column 2')
		cvui.endColumn()

		cvui.beginColumn(frame1, 550, 330, 100, 200)
		cvui.text('Column 3 (use space)')
		cvui.space(5)
		cvui.button('button1 5px below')
		cvui.space(50)
		cvui.text('Text 50px below')
		cvui.space(20)
		cvui.button('Button 20px below')
		cvui.space(40)
		cvui.text('End of column 2 (40px below)')
		cvui.endColumn()
		
		# Update all components of window1, e.g. mouse clicks, and show it.
		cvui.update(WINDOW1_NAME)
		cv2.imshow(WINDOW1_NAME, frame1)
		
		# From this point on, we are going to render the second window. We need to inform cvui
		# that all updates and components from now on are connected to window 2.
		# We do that by calling cvui.context().
		cvui.context(WINDOW2_NAME)
		frame2[:] = (49, 52, 49)
		
		cvui.beginRow(frame2, 10, 20, 100, 50)
		cvui.text('This is ')
		cvui.printf('a row')
		cvui.checkbox('checkbox', window2_checked)
		cvui.window(80, 80, 'window')
		cvui.rect(50, 50, 0x00ff00, 0xff0000)
		cvui.sparkline(window2_values, 50, 50)
		cvui.counter(window2_value)
		cvui.button(100, 30, 'Fixed')
		cvui.image(img)
		cvui.button(img, imgGray, imgRed)
		cvui.endRow()
		
		padding = 50
		cvui.beginRow(frame2, 10, 150, 100, 50, padding)
		cvui.text('This is ')
		cvui.printf('another row')
		cvui.checkbox('checkbox', window2_checked2)
		cvui.window(80, 80, 'window')
		cvui.button(100, 30, 'Fixed')
		cvui.printf('with 50px paddin7hg.')
		cvui.endRow()
		
		# Another row mixing several components 
		cvui.beginRow(frame2, 10, 250, 100, 50)
		cvui.text('This is ')
		cvui.printf('another row with a trackbar ')
		cvui.trackbar(150, window2_value2, 0., 5.)
		cvui.printf(' and a button ')
		cvui.button(100, 30, 'button')
		cvui.endRow()

		cvui.beginColumn(frame2, 50, 330, 100, 200)
		cvui.text('Column 1 (no padding)')
		cvui.button('button1')
		cvui.button('button2')
		cvui.text('End of column 1')
		cvui.endColumn()
		
		padding = 10
		cvui.beginColumn(frame2, 300, 330, 100, 200, padding)
		cvui.text('Column 2 (padding = 10)')
		cvui.button('button1')
		cvui.button('button2')
		cvui.trackbar(150, window2_value3, 0., 5., 1, '%3.2Lf', cvui.TRACKBAR_DISCRETE, 0.25)
		cvui.text('End of column 2')
		cvui.endColumn()

		cvui.beginColumn(frame2, 550, 330, 100, 200)
		cvui.text('Column 3 (use space)')
		cvui.space(5)
		cvui.button('button1 5px below')
		cvui.space(50)
		cvui.text('Text 50px below')
		cvui.space(20)
		cvui.button('Button 20px below')
		cvui.space(40)
		cvui.text('End of column 2 (40px below)')
		cvui.endColumn()
		
		# Update all components of window2, e.g. mouse clicks, and show it.
		cvui.update(WINDOW2_NAME)
		cv2.imshow(WINDOW2_NAME, frame2)

		# Check if ESC key was pressed
		if cv2.waitKey(20) == 27:
			break
Пример #13
0
def main():

    context = zmq.Context()
    # Receive video frames from camera
    video_socket = context.socket(zmq.SUB)
    video_socket.setsockopt(zmq.CONFLATE, 1)
    video_socket.setsockopt(zmq.RCVTIMEO, 1000)
    video_socket.connect('tcp://%s:%d' %
                         (p.VIDEO_SPOTTER_IP, p.VIDEO_SPOTTER_PORT))
    topicfilter = ''
    video_socket.setsockopt_string(zmq.SUBSCRIBE, topicfilter)

    # Receive updates from stage
    stage_sub = context.socket(zmq.SUB)
    stage_sub.setsockopt(zmq.CONFLATE, 1)
    stage_sub.setsockopt(zmq.RCVTIMEO, 0)
    stage_sub.connect('tcp://%s:%d' %
                      (p.STAGE_POSITION_IP, p.STAGE_POSITION_PORT))
    topicfilter = ''
    stage_sub.setsockopt_string(zmq.SUBSCRIBE, topicfilter)

    # TODO: We need to connect here instead of binding if we want to use this at the same time as CameraDisplaySpotter
    # Publish tracking deltas
    track_socket = context.socket(zmq.PUB)
    track_socket.bind('tcp://*:%s' % p.TRACK_PORT)

    intrinsic = np.load('intrinsic_calibration/ll_65/intrinsic.npy')
    cvui.init('MaskWindow1')

    # Need to wait for stage to be up and running:
    while 1:
        try:
            stage_msg = stage_sub.recv_string()
            (stage_x, stage_y,
             stage_z) = [float(x) for x in stage_msg.split(' ')]
            break
        except zmq.Again:
            print('Waiting for stage controller node')
            time.sleep(1)

    stage_zero_offset = np.array([stage_x, stage_y, -stage_z], ndmin=2).T
    np.save('tank_corners_offset.npy', stage_zero_offset)

    while keep_running:

        MODE = '1'

        # phase 1: First position

        corner_points = np.zeros(
            (3, 8))  # first 4 for front, second 4 for back
        corner_ix = 0
        print('Click on corners at front of tank')
        while MODE == '1':

            try:
                frame = recv_img(video_socket)
            except zmq.Again:
                print('No new frame!')
                continue

            for pt_ix in range(corner_ix):
                center = (int(corner_points[0, pt_ix]),
                          int(corner_points[1, pt_ix]))
                if pt_ix < 4:
                    color = (0, 0, 255)
                else:
                    color = (255, 0, 0)
                cv2.circle(frame, center, 5, color, -1)

            cvui.update('MaskWindow1')
            cv2.imshow('MaskWindow1', frame)
            cv2.waitKey(1)
            cvui.context('MaskWindow1')
            if cvui.mouse(cvui.CLICK):
                print('CLICK')
                corner_points[0, corner_ix] = cvui.mouse().x
                corner_points[1, corner_ix] = cvui.mouse().y
                corner_points[2, corner_ix] = 1

                corner_ix += 1
                if corner_ix == 4:
                    print('Click on corners at back of tank')
            if corner_ix == 8:
                MODE = '2'

        # Move stage
        # TODO: Add a REP/REQ instead of PUB/SUB for one-off reliably stage movements
        stage_delta = 15.0
        track_socket.send_string('%f 0 0' % (stage_delta * p.X_MOVE_SCALE))
        print('Waiting for stage motion')
        time.sleep(2)

        E = np.array([[0, 0, 0], [0, 0, -stage_delta],
                      [0, stage_delta, 0]])  # essential matrix - only X motion
        F = np.linalg.inv(intrinsic).T @ E @ np.linalg.inv(
            intrinsic)  # Fundamental Matrix

        # phase 2: Click corners in second position

        corner_points2 = np.zeros((3, 8))
        corner_ix2 = 0
        print('Click on corners at front of tank')
        while MODE == '2':
            try:
                frame = recv_img(video_socket)
            except zmq.Again:
                print('No new frame!')

            # Plot the epipolar line for the current point
            # i.e. p_r^T * F * p_l^T = 0 where F is fundamental matrix and p_r and p_l are points in (homogeneous) image space
            # y0 and y1 are the y coordinates of this line for x=0 and x=img_width
            im1_pt = corner_points[:, corner_ix2:corner_ix2 + 1]
            d = im1_pt.T @ F
            y0 = int(-d[0, 2] / d[0, 1])
            y1 = int((-d[0, 0] * p.IMG_WIDTH_SPOTTER - d[0, 2]) / d[0, 1])
            cv2.line(frame, (0, y0), (640, y1), (0, 255, 0))

            for pt_ix in range(corner_ix2):
                center = (int(corner_points2[0, pt_ix]),
                          int(corner_points2[1, pt_ix]))
                if pt_ix < 4:
                    color = (0, 0, 255)
                else:
                    color = (255, 0, 0)

                cv2.circle(frame, center, 5, color, -1)

            cvui.update('MaskWindow1')
            cv2.imshow('MaskWindow1', frame)
            cv2.waitKey(1)
            cvui.context('MaskWindow1')
            if cvui.mouse(cvui.CLICK):
                corner_points2[0, corner_ix2] = cvui.mouse().x
                corner_points2[1, corner_ix2] = cvui.mouse().y
                corner_points2[2, corner_ix2] = 1

                corner_ix2 += 1
                if corner_ix2 == 4:
                    print('Click on corners at back of tank')
            if corner_ix2 == 8:
                MODE = '3'

        # Intermezzo: Compute the 3d location of the tank corners
        world_rays1 = np.linalg.inv(intrinsic) @ corner_points
        world_rays2 = np.linalg.inv(intrinsic) @ corner_points2

        world_points = np.zeros((3, 8))
        A = np.zeros((2, 2))
        B = np.zeros((2, 1))
        for point_ix in range(8):
            p1 = np.zeros((3, 1))
            p2 = np.zeros((3, 1))
            v1 = world_rays1[:, point_ix:point_ix + 1]
            v2 = world_rays2[:, point_ix:point_ix + 1]
            p2[0] = -stage_delta

            A[0, 0] = -np.inner(v1.T, v1.T)
            A[0, 1] = np.inner(v1.T, v2.T)

            B[0, 0] = -(np.inner(p2.T, v1.T) - np.inner(p1.T, v1.T))

            A[1, 0] = -np.inner(v1.T, v2.T)
            A[1, 1] = np.inner(v2.T, v2.T)

            B[1, 0] = -(np.inner(p2.T, v2.T) - np.inner(p1.T, v2.T))

            sol = np.linalg.solve(A, B)

            point1 = p1 + sol[0] * v1
            point2 = p2 + sol[1] * v2
            mp = (point2 - point1) / 2.0 + point1
            world_points[:, point_ix] = mp.squeeze()

        print(world_points)
        np.save('tank_corners.npy', world_points)

        # phase 3: Compute world-frame corners and update as stage moves
        stage_pos_cur = np.zeros((3, 1))
        while MODE == '3':

            try:
                frame = recv_img(video_socket)
            except zmq.Again:
                print('No new frame!')

            try:
                stage_msg = stage_sub.recv_string()
                (stage_x, stage_y,
                 stage_z) = [float(x) for x in stage_msg.split(' ')]
                stage_pos_cur[0] = stage_x
                stage_pos_cur[1] = stage_y
                stage_pos_cur[2] = -stage_z
            except zmq.Again:
                pass

            stage_delta = stage_pos_cur - stage_zero_offset
            corners_translated = world_points - stage_delta

            full_corners_img = np.zeros((2, 8))
            for pt_ix in range(8):
                corner_img = intrinsic @ corners_translated[:, pt_ix]
                corner_img = corner_img / corner_img[2]
                full_corners_img[0, pt_ix] = corner_img[0]
                full_corners_img[1, pt_ix] = corner_img[1]
                center = (int(corner_img[0]), int(corner_img[1]))
                if pt_ix < 4:
                    color = (0, 0, 255)
                else:
                    color = (255, 0, 0)

                cv2.circle(frame, center, 5, color, -1)
            cv2.imshow('MaskWindow1', frame)

            print([
                np.array([
                    full_corners_img[:, 0], full_corners_img[:, 1],
                    full_corners_img[:, 2], full_corners_img[:, 3]
                ])
            ])

            poly_frame_front = np.zeros(frame.shape, dtype=np.uint8)
            poly_frame_back = np.zeros(frame.shape, dtype=np.uint8)
            poly_frame_front = cv2.fillPoly(poly_frame_front, [
                np.array([
                    full_corners_img[:, 0], full_corners_img[:, 1],
                    full_corners_img[:, 2], full_corners_img[:, 3]
                ],
                         dtype='int32')
            ], (255, 255, 255))
            poly_frame_back = cv2.fillPoly(poly_frame_back, [
                np.array([
                    full_corners_img[:, 4], full_corners_img[:, 5],
                    full_corners_img[:, 6], full_corners_img[:, 7]
                ],
                         dtype='int32')
            ], (255, 255, 255))

            clipped_frame = cv2.bitwise_and(frame, poly_frame_front)
            clipped_frame = cv2.bitwise_and(clipped_frame, poly_frame_back)
            cv2.imshow('MaskWindow2', clipped_frame)
            cv2.waitKey(1)