コード例 #1
0
    def __init__(self, working_dir, view=None, imgData=None, maskData=None):
        self.working_dir = working_dir
        if view == None:
            self.view = MaskView()
        else:
            self.view = view

        if imgData == None:
            self.img_data = ImgData()
        else:
            self.img_data = imgData

        if maskData == None:
            self.mask_data = MaskData()
        else:
            self.mask_data = maskData

        self.view.img_view.mouse_left_clicked.connect(self.process_click)

        self.state = None
        self.clicks = 0
        self.create_signals()

        self.rect = None
        self.circle = None
        self.polygon = None
        self.point = None

        self.raise_window()
コード例 #2
0
ファイル: MaskController.py プロジェクト: kif/Py2DeX
    def __init__(self, working_dir, view=None, imgData=None, maskData=None):
        self.working_dir = working_dir
        if view == None:
            self.view = MaskView()
        else:
            self.view = view

        if imgData == None:
            self.img_data = ImgData()
        else:
            self.img_data = imgData

        if maskData == None:
            self.mask_data = MaskData()
        else:
            self.mask_data = maskData

        self.view.img_view.add_left_click_observer(self.process_click)

        self.state = None
        self.clicks = 0
        self.create_signals()

        self.rect = None
        self.circle = None
        self.polygon = None
        self.point = None

        self.raise_window()
コード例 #3
0
ファイル: MainView.py プロジェクト: kif/Py2DeX
    def __init__(self):
        super(MainView, self).__init__(None)
        self.setupUi(self)

        self.calibration_widget = CalibrationView()
        self.mask_widget = MaskView()
        self.integration_widget = IntegrationView()

        self.calibration_layout = QtGui.QHBoxLayout()
        self.calibration_layout.setContentsMargins(0, 0, 0, 0)
        self.calibration_tab.setLayout(self.calibration_layout)
        self.calibration_layout.addWidget(self.calibration_widget)

        self.mask_layout = QtGui.QHBoxLayout()
        self.mask_layout.setContentsMargins(0, 0, 0, 0)
        self.mask_tab.setLayout(self.mask_layout)
        self.mask_layout.addWidget(self.mask_widget)

        self.integration_layout = QtGui.QHBoxLayout()
        self.integration_layout.setContentsMargins(0, 0, 0, 0)
        self.integration_tab.setLayout(self.integration_layout)
        self.integration_layout.addWidget(self.integration_widget)
コード例 #4
0
class MaskController(object):
    def __init__(self, working_dir, view=None, imgData=None, maskData=None):
        self.working_dir = working_dir
        if view == None:
            self.view = MaskView()
        else:
            self.view = view

        if imgData == None:
            self.img_data = ImgData()
        else:
            self.img_data = imgData

        if maskData == None:
            self.mask_data = MaskData()
        else:
            self.mask_data = maskData

        self.view.img_view.mouse_left_clicked.connect(self.process_click)

        self.state = None
        self.clicks = 0
        self.create_signals()

        self.rect = None
        self.circle = None
        self.polygon = None
        self.point = None

        self.raise_window()

    def raise_window(self):
        self.view.show()
        self.view.setWindowState(self.view.windowState()
                                 & ~QtCore.Qt.WindowMinimized
                                 | QtCore.Qt.WindowActive)
        self.view.activateWindow()
        self.view.raise_()

    def connect_click_function(self, emitter, function):
        self.view.connect(emitter, QtCore.SIGNAL('clicked()'), function)

    def create_signals(self):
        self.connect_click_function(self.view.circle_btn,
                                    self.activate_circle_btn)
        self.connect_click_function(self.view.rectangle_btn,
                                    self.activate_rectangle_btn)
        self.connect_click_function(self.view.polygon_btn,
                                    self.activate_polygon_btn)
        self.connect_click_function(self.view.point_btn,
                                    self.activate_point_btn)
        self.connect_click_function(self.view.undo_btn, self.undo_btn_click)
        self.connect_click_function(self.view.redo_btn, self.redo_btn_click)
        self.connect_click_function(self.view.below_thresh_btn,
                                    self.below_thresh_btn_click)
        self.connect_click_function(self.view.above_thresh_btn,
                                    self.above_thresh_btn_click)
        self.connect_click_function(self.view.cosmic_btn,
                                    self.cosmic_btn_click)
        self.connect_click_function(self.view.invert_mask_btn,
                                    self.invert_mask_btn_click)
        self.connect_click_function(self.view.clear_mask_btn,
                                    self.clear_mask_btn_click)
        self.connect_click_function(self.view.save_mask_btn,
                                    self.save_mask_btn_click)
        self.connect_click_function(self.view.load_mask_btn,
                                    self.load_mask_btn_click)
        self.connect_click_function(self.view.add_mask_btn,
                                    self.add_mask_btn_click)
        self.connect_click_function(self.view.mask_rb, self.mask_rb_click)
        self.connect_click_function(self.view.unmask_rb, self.unmask_rb_click)
        self.connect_click_function(self.view.fill_rb, self.fill_rb_click)
        self.connect_click_function(self.view.transparent_rb,
                                    self.transparent_rb_click)
        self.view.connect(self.view.point_size_sb,
                          QtCore.SIGNAL('valueChanged(int)'),
                          self.set_point_size)

        self.view.img_view.mouse_moved.connect(self.show_img_mouse_position)

        self.view.keyPressEvent = self.key_press_event

    def uncheck_all_btn(self, except_btn=None):
        btns = [self.view.circle_btn, self.view.rectangle_btn, self.view.polygon_btn, \
                self.view.point_btn]
        for btn in btns:
            if btn is not except_btn:
                if btn.isChecked():
                    btn.toggle()
        # if not except_btn.isChecked() and except_btn is not None:
        #     except_btn.toggle()

        shapes = [self.rect, self.circle, self.polygon]
        for shape in shapes:
            if shape is not None:
                self.view.img_view.img_view_box.removeItem(shape)
                self.view.img_view.mouse_moved.disconnect(shape.set_size)

        try:
            self.view.img_view.mouse_moved.disconnect(self.point.set_position)
            self.view.img_view.img_view_box.removeItem(self.point)
            self.point = None
        except AttributeError:
            pass

    def activate_circle_btn(self):
        if self.view.circle_btn.isChecked():
            self.state = 'circle'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.circle_btn)
        else:
            print 'hmm'
            self.state = None
            self.clicks = 0
            self.uncheck_all_btn()

    def activate_rectangle_btn(self):
        if self.view.rectangle_btn.isChecked():
            self.state = 'rectangle'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.rectangle_btn)
        else:
            self.state = None
            self.uncheck_all_btn()

    def activate_polygon_btn(self):
        if self.view.polygon_btn.isChecked():
            self.state = 'polygon'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.polygon_btn)
        else:
            self.state = None
            self.uncheck_all_btn()

    def activate_point_btn(self):
        if self.view.point_btn.isChecked():
            self.state = 'point'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.point_btn)
            self.point = self.view.img_view.draw_point(
                self.view.point_size_sb.value())
            self.view.img_view.mouse_moved.connect(self.point.set_position)
        else:
            self.state = 'None'
            self.uncheck_all_btn()

    def undo_btn_click(self):
        self.mask_data.undo()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def redo_btn_click(self):
        self.mask_data.redo()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def plot_image(self):
        self.view.img_view.plot_image(self.img_data.get_img_data(), False)
        self.view.img_view.auto_range()

    def process_click(self, x, y):
        if self.state == 'circle':
            self.draw_circle(x, y)
        elif self.state == 'rectangle':
            self.draw_rectangle(x, y)
        elif self.state == 'point':
            self.draw_point(x, y)
        elif self.state == 'polygon':
            self.draw_polygon(x, y)

    def draw_circle(self, x, y):
        if self.clicks == 0:
            self.clicks += 1
            self.circle = self.view.img_view.draw_circle(x, y)
            self.view.img_view.mouse_moved.connect(self.circle.set_size)
        elif self.clicks == 1:
            self.clicks = 0
            self.mask_data.mask_QGraphicsEllipseItem(self.circle)
            self.view.img_view.img_view_box.removeItem(self.circle)
            self.view.img_view.plot_mask(self.mask_data.get_img())
            self.view.img_view.mouse_moved.disconnect(self.circle.set_size)
            self.circle = None

    def draw_rectangle(self, x, y):
        if self.clicks == 0:
            self.clicks += 1
            self.rect = self.view.img_view.draw_rectangle(x, y)
            self.view.img_view.mouse_moved.connect(self.rect.set_size)
        elif self.clicks == 1:
            self.clicks = 0
            self.mask_data.mask_QGraphicsRectItem(self.rect)
            self.view.img_view.img_view_box.removeItem(self.rect)
            self.view.img_view.plot_mask(self.mask_data.get_img())
            self.view.img_view.mouse_moved.disconnect(self.rect.set_size)
            self.rect = None

    def draw_point(self, x, y):
        radius = self.view.point_size_sb.value()
        self.mask_data.mask_ellipse(y, x, radius, radius)
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def set_point_size(self, radius):
        try:
            self.point.set_radius(radius)
        except AttributeError:
            pass

    def draw_polygon(self, x, y):
        if self.clicks == 0:
            self.clicks += 1
            self.polygon = self.view.img_view.draw_polygon(x, y)
            self.view.img_view.mouse_moved.connect(self.polygon.set_size)
            self.view.img_view.mouse_left_double_clicked.connect(
                self.finish_polygon)
        elif self.clicks == 1:
            self.polygon.set_size(x, y)
            self.polygon.add_point(x, y)

    def finish_polygon(self, x, y):
        self.view.img_view.mouse_moved.disconnect(self.polygon.set_size)
        self.view.img_view.mouse_left_double_clicked.disconnect(
            self.finish_polygon)
        self.polygon.add_point(y, x)
        self.clicks = 0
        self.mask_data.mask_QGraphicsPolygonItem(self.polygon)
        self.view.img_view.plot_mask(self.mask_data.get_img())
        self.view.img_view.img_view_box.removeItem(self.polygon)
        self.polygon = None

    def below_thresh_btn_click(self):
        thresh = np.float64(self.view.below_thresh_txt.text())
        self.mask_data.mask_below_threshold(self.img_data.get_img_data(),
                                            thresh)
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def above_thresh_btn_click(self):
        thresh = np.float64(self.view.above_thresh_txt.text())
        self.mask_data.mask_above_threshold(self.img_data.get_img_data(),
                                            thresh)
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def invert_mask_btn_click(self):
        self.mask_data.invert_mask()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def clear_mask_btn_click(self):
        self.mask_data.clear_mask()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def cosmic_btn_click(self):
        self.mask_data.remove_cosmic(self.img_data.get_img_data())
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def save_mask_btn_click(self, filename=None):
        if filename is None:
            filename = str(
                QtGui.QFileDialog.getSaveFileName(
                    self.view,
                    caption="Save mask data",
                    directory=self.working_dir['mask'],
                    filter='*.mask'))

        if filename is not '':
            self.working_dir['mask'] = os.path.dirname(filename)
            np.savetxt(filename, self.mask_data.get_mask(), fmt="%d")

    def load_mask_btn_click(self, filename=None):
        if filename is None:
            filename = str(
                QtGui.QFileDialog.getOpenFileName(
                    self.view,
                    caption="Load mask data",
                    directory=self.working_dir['mask'],
                    filter='*.mask'))

        if filename is not '':
            self.working_dir['mask'] = os.path.dirname(filename)
            mask_data = np.loadtxt(filename)
            if self.img_data.get_img_data().shape == mask_data.shape:
                self.mask_data.set_mask(np.loadtxt(filename))
                self.plot_mask()
            else:
                QtGui.QMessageBox.critical(
                    self.view, 'Error',
                    'Image data and mask data in selected file do not have '
                    'the same shape. Mask could not be loaded.')

    def add_mask_btn_click(self, filename=None):
        if filename is None:
            filename = str(
                QtGui.QFileDialog.getOpenFileName(
                    self.view,
                    caption="Add mask data",
                    directory=self.working_dir['mask'],
                    filter='*.mask'))

        if filename is not '':
            self.working_dir['mask'] = os.path.dirname(filename)
            mask_data = np.loadtxt(filename)
            if self.mask_data.get_mask().shape == mask_data.shape:
                self.mask_data.add_mask(np.loadtxt(filename))
                self.plot_mask()
            else:
                QtGui.QMessageBox.critical(
                    self.view, 'Error',
                    'Image data and mask data in selected file do not have '
                    'the same shape. Mask could not be added.')

    def plot_mask(self):
        self.view.img_view.plot_mask(self.mask_data.get_mask())

    def key_press_event(self, ev):
        if self.state == "point":
            if ev.text() == 'q':
                self.view.point_size_sb.setValue(
                    self.view.point_size_sb.value() + 1)
            if ev.text() == 'w':
                self.view.point_size_sb.setValue(
                    self.view.point_size_sb.value() - 1)

        if ev.modifiers() == QtCore.Qt.ControlModifier:
            if ev.key() == 90:  #for pressing z
                self.undo_btn_click()
            elif ev.key() == 89:  #for pressing y
                self.redo_btn_click()
            elif ev.key() == 83:  #for pressing s
                self.save_mask_btn_click()
            elif ev.key == 79:  #for pressing o
                self.load_mask_btn_click()
            elif ev.key == 65:
                self.add_mask_btn_click()

    def mask_rb_click(self):
        self.mask_data.set_mode(True)

    def unmask_rb_click(self):
        self.mask_data.set_mode(False)

    def fill_rb_click(self):
        self.view.img_view.set_color([255, 0, 0, 255])
        self.plot_mask()

    #
    def transparent_rb_click(self):
        self.view.img_view.set_color([255, 0, 0, 100])
        self.plot_mask()

    def show_img_mouse_position(self, x, y):
        try:
            if x > 0 and y > 0:
                str = "x: %8.1f   y: %8.1f   I: %6.f" % (
                    x, y, self.view.img_view.img_data.T[np.floor(x),
                                                        np.floor(y)])
            else:
                str = "x: %.1f y: %.1f" % (x, y)
        except (IndexError, AttributeError):
            str = "x: %.1f y: %.1f" % (x, y)
        self.view.pos_lbl.setText(str)
コード例 #5
0
ファイル: MaskController.py プロジェクト: kif/Py2DeX
class MaskController(object):
    def __init__(self, working_dir, view=None, imgData=None, maskData=None):
        self.working_dir = working_dir
        if view == None:
            self.view = MaskView()
        else:
            self.view = view

        if imgData == None:
            self.img_data = ImgData()
        else:
            self.img_data = imgData

        if maskData == None:
            self.mask_data = MaskData()
        else:
            self.mask_data = maskData

        self.view.img_view.add_left_click_observer(self.process_click)

        self.state = None
        self.clicks = 0
        self.create_signals()

        self.rect = None
        self.circle = None
        self.polygon = None
        self.point = None

        self.raise_window()

    def raise_window(self):
        self.view.show()
        self.view.setWindowState(self.view.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
        self.view.activateWindow()
        self.view.raise_()

    def connect_click_function(self, emitter, function):
        self.view.connect(emitter, QtCore.SIGNAL('clicked()'), function)

    def create_signals(self):
        self.connect_click_function(self.view.circle_btn, self.activate_circle_btn)
        self.connect_click_function(self.view.rectangle_btn, self.activate_rectangle_btn)
        self.connect_click_function(self.view.polygon_btn, self.activate_polygon_btn)
        self.connect_click_function(self.view.point_btn, self.activate_point_btn)
        self.connect_click_function(self.view.undo_btn, self.undo_btn_click)
        self.connect_click_function(self.view.redo_btn, self.redo_btn_click)
        self.connect_click_function(self.view.below_thresh_btn, self.below_thresh_btn_click)
        self.connect_click_function(self.view.above_thresh_btn, self.above_thresh_btn_click)
        self.connect_click_function(self.view.cosmic_btn, self.cosmic_btn_click)
        self.connect_click_function(self.view.invert_mask_btn, self.invert_mask_btn_click)
        self.connect_click_function(self.view.clear_mask_btn, self.clear_mask_btn_click)
        self.connect_click_function(self.view.save_mask_btn, self.save_mask_btn_click)
        self.connect_click_function(self.view.load_mask_btn, self.load_mask_btn_click)
        self.connect_click_function(self.view.add_mask_btn, self.add_mask_btn_click)
        self.connect_click_function(self.view.mask_rb, self.mask_rb_click)
        self.connect_click_function(self.view.unmask_rb, self.unmask_rb_click)
        self.connect_click_function(self.view.fill_rb, self.fill_rb_click)
        self.connect_click_function(self.view.transparent_rb, self.transparent_rb_click)
        self.view.connect(self.view.point_size_sb, QtCore.SIGNAL('valueChanged(int)'), self.set_point_size)

        self.view.keyPressEvent = self.key_press_event


    def uncheck_all_btn(self, except_btn=None):
        btns = [self.view.circle_btn, self.view.rectangle_btn, self.view.polygon_btn, \
                self.view.point_btn]
        for btn in btns:
            if btn is not except_btn:
                if btn.isChecked():
                    btn.toggle()
        # if not except_btn.isChecked() and except_btn is not None:
        #     except_btn.toggle()

        shapes = [self.rect, self.circle, self.polygon]
        for shape in shapes:
            if shape is not None:
                self.view.img_view.img_view_box.removeItem(shape)
                self.view.img_view.del_mouse_move_observer(shape.set_size)

        try:
            self.view.img_view.del_mouse_move_observer(self.point.set_position)
            self.view.img_view.img_view_box.removeItem(self.point)
            self.point = None
        except AttributeError:
            pass


    def activate_circle_btn(self):
        if self.view.circle_btn.isChecked():
            self.state = 'circle'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.circle_btn)
        else:
            print 'hmm'
            self.state = None
            self.clicks = 0
            self.uncheck_all_btn()

    def activate_rectangle_btn(self):
        if self.view.rectangle_btn.isChecked():
            self.state = 'rectangle'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.rectangle_btn)
        else:
            self.state = None
            self.uncheck_all_btn()

    def activate_polygon_btn(self):
        if self.view.polygon_btn.isChecked():
            self.state = 'polygon'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.polygon_btn)
        else:
            self.state = None
            self.uncheck_all_btn()

    def activate_point_btn(self):
        if self.view.point_btn.isChecked():
            self.state = 'point'
            self.clicks = 0
            self.uncheck_all_btn(except_btn=self.view.point_btn)
            self.point = self.view.img_view.draw_point(self.view.point_size_sb.value())
            self.view.img_view.add_mouse_move_observer(self.point.set_position)
        else:
            self.state = 'None'
            self.uncheck_all_btn()

    def undo_btn_click(self):
        self.mask_data.undo()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def redo_btn_click(self):
        self.mask_data.redo()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def plot_image(self):
        self.view.img_view.plot_image(self.img_data.get_img_data(), False)
        self.view.img_view.auto_range()

    def process_click(self, x, y):
        if self.state == 'circle':
            self.draw_circle(x, y)
        elif self.state == 'rectangle':
            self.draw_rectangle(x, y)
        elif self.state == 'point':
            self.draw_point(x, y)
        elif self.state == 'polygon':
            self.draw_polygon(x, y)

    def draw_circle(self, x, y):
        if self.clicks == 0:
            self.clicks += 1
            self.circle = self.view.img_view.draw_circle(x, y)
            self.view.img_view.add_mouse_move_observer(self.circle.set_size)
        elif self.clicks == 1:
            self.clicks = 0
            self.mask_data.mask_QGraphicsEllipseItem(self.circle)
            self.view.img_view.img_view_box.removeItem(self.circle)
            self.view.img_view.plot_mask(self.mask_data.get_img())
            self.view.img_view.del_mouse_move_observer(self.circle.set_size)
            self.circle = None

    def draw_rectangle(self, x, y):
        if self.clicks == 0:
            self.clicks += 1
            self.rect = self.view.img_view.draw_rectangle(x, y)
            self.view.img_view.add_mouse_move_observer(self.rect.set_size)
        elif self.clicks == 1:
            self.clicks = 0
            self.mask_data.mask_QGraphicsRectItem(self.rect)
            self.view.img_view.img_view_box.removeItem(self.rect)
            self.view.img_view.plot_mask(self.mask_data.get_img())
            self.view.img_view.del_mouse_move_observer(self.rect.set_size)
            self.rect = None

    def draw_point(self, x, y):
        radius = self.view.point_size_sb.value()
        self.mask_data.mask_ellipse(y, x, radius, radius)
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def set_point_size(self, radius):
        try:
            self.point.set_radius(radius)
        except AttributeError:
            pass

    def draw_polygon(self, x, y):
        if self.clicks == 0:
            self.clicks += 1
            self.polygon = self.view.img_view.draw_polygon(x, y)
            self.view.img_view.add_mouse_move_observer(self.polygon.set_size)
            self.view.img_view.add_left_double_click_observer(self.finish_polygon)
        elif self.clicks == 1:
            self.polygon.set_size(x, y)
            self.polygon.add_point(x, y)

    def finish_polygon(self, x, y):
        self.view.img_view.del_mouse_move_observer(self.polygon.set_size)
        self.view.img_view.del_left_double_click_observer(self.finish_polygon)
        self.polygon.add_point(y, x)
        self.clicks = 0
        self.mask_data.mask_QGraphicsPolygonItem(self.polygon)
        self.view.img_view.plot_mask(self.mask_data.get_img())
        self.view.img_view.img_view_box.removeItem(self.polygon)
        self.polygon = None


    def below_thresh_btn_click(self):
        thresh = np.float64(self.view.below_thresh_txt.text())
        self.mask_data.mask_below_threshold(self.img_data.get_img_data(), thresh)
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def above_thresh_btn_click(self):
        thresh = np.float64(self.view.above_thresh_txt.text())
        self.mask_data.mask_above_threshold(self.img_data.get_img_data(), thresh)
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def invert_mask_btn_click(self):
        self.mask_data.invert_mask()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def clear_mask_btn_click(self):
        self.mask_data.clear_mask()
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def cosmic_btn_click(self):
        self.mask_data.remove_cosmic(self.img_data.get_img_data())
        self.view.img_view.plot_mask(self.mask_data.get_img())

    def save_mask_btn_click(self, filename=None):
        if filename is None:
            filename = str(QtGui.QFileDialog.getSaveFileName(self.view, caption="Save mask data",
                                                             directory=self.working_dir['mask'], filter='*.mask'))

        if filename is not '':
            self.working_dir['mask'] = os.path.dirname(filename)
            np.savetxt(filename, self.mask_data.get_mask(), fmt="%d")

    def load_mask_btn_click(self, filename=None):
        if filename is None:
            filename = str(QtGui.QFileDialog.getOpenFileName(self.view, caption="Load mask data",
                                                             directory=self.working_dir['mask'], filter='*.mask'))

        if filename is not '':
            self.working_dir['mask'] = os.path.dirname(filename)
            mask_data = np.loadtxt(filename)
            if self.img_data.get_img_data().shape == mask_data.shape:
                self.mask_data.set_mask(np.loadtxt(filename))
                self.plot_mask()
            else:
                QtGui.QMessageBox.critical(self.view, 'Error', 'Image data and mask data in selected file do not have '
                                                               'the same shape. Mask could not be loaded.')

    def add_mask_btn_click(self, filename=None):
        if filename is None:
            filename = str(QtGui.QFileDialog.getOpenFileName(self.view, caption="Add mask data",
                                                             directory=self.working_dir['mask'], filter='*.mask'))

        if filename is not '':
            self.working_dir['mask'] = os.path.dirname(filename)
            mask_data = np.loadtxt(filename)
            if self.mask_data.get_mask().shape == mask_data.shape:
                self.mask_data.add_mask(np.loadtxt(filename))
                self.plot_mask()
            else:
                QtGui.QMessageBox.critical(self.view, 'Error', 'Image data and mask data in selected file do not have '
                                                               'the same shape. Mask could not be added.')

    def plot_mask(self):
        self.view.img_view.plot_mask(self.mask_data.get_mask())

    def key_press_event(self, ev):
        if self.state == "point":
            if ev.text() == 'q':
                self.view.point_size_sb.setValue(self.view.point_size_sb.value() + 1)
            if ev.text() == 'w':
                self.view.point_size_sb.setValue(self.view.point_size_sb.value() - 1)

        if ev.modifiers() == QtCore.Qt.ControlModifier:
            if ev.key() == 90:  #for pressing z
                self.undo_btn_click()
            elif ev.key() == 89:  #for pressing y
                self.redo_btn_click()
            elif ev.key() == 83:  #for pressing s
                self.save_mask_btn_click()
            elif ev.key == 79:  #for pressing o
                self.load_mask_btn_click()
            elif ev.key == 65:
                self.add_mask_btn_click()


    def mask_rb_click(self):
        self.mask_data.set_mode(True)

    def unmask_rb_click(self):
        self.mask_data.set_mode(False)

    def fill_rb_click(self):
        self.view.img_view.set_color([255, 0, 0, 255])
        self.plot_mask()

    #
    def transparent_rb_click(self):
        self.view.img_view.set_color([255, 0, 0, 100])
        self.plot_mask()