示例#1
0
    def pick(self, x, y, epsilon=5):
        """
        Return the artist at location x,y with an error tolerance epsilon
        (in pixels)
        """

        clickBBox = Bound2D(x-epsilon/2, y-epsilon/2, epsilon, epsilon)
        draw_bbox(self.figure.dpi, clickBBox, self.figure.renderer)

        def over_text(t):
            bbox = t.get_window_extent(self.figure.renderer)
            return clickBBox.overlap(bbox)

        def over_line(line):
            # can't use the line bbox because it covers the entire extent
            # of the line
            xdata = line.transx.positions(line.get_xdata())
            ydata = line.transy.positions(line.get_ydata())
            distances = sqrt((x-xdata)**2 + (y-ydata)**2)
            return min(distances)<epsilon

        for ax in self.figure.axes:

            for line in ax.get_lines():
                if over_line(line):
                    self.select_line(line)
                    return

            text = ax.get_xticklabels()
            text.extend( ax.get_yticklabels() )
            
            for t in text:
                if over_text(t):
                    self.select_text(t)
                    return
示例#2
0
    def pick(self, x, y, epsilon=5):
        """
        Return the artist at location x,y with an error tolerance epsilon
        (in pixels)
        """

        clickBBox = lbwh_to_bbox(x - epsilon / 2, y - epsilon / 2, epsilon, epsilon)
        draw_bbox(clickBBox, self.renderer)

        def over_text(t):
            bbox = t.get_window_extent(self.renderer)
            return clickBBox.overlaps(bbox)

        def over_line(line):
            # can't use the line bbox because it covers the entire extent
            # of the line
            trans = line.get_transform()
            xdata, ydata = trans.numerix_x_y(line.get_xdata(), line.get_ydata())
            distances = sqrt((x - xdata) ** 2 + (y - ydata) ** 2)
            return amin(distances) < epsilon

        for ax in self.figure.axes:

            for line in ax.get_lines():
                if over_line(line):
                    self.select_line(line)
                    return

            text = ax.get_xticklabels()
            text.extend(ax.get_yticklabels())

            for t in text:
                if over_text(t):
                    self.select_text(t)
                    return
示例#3
0
    def pick(self, x, y, epsilon=5):
        """
        Return the artist at location x,y with an error tolerance epsilon
        (in pixels)
        """

        clickBBox = Bound2D(x - epsilon / 2, y - epsilon / 2, epsilon, epsilon)
        draw_bbox(self.figure.dpi, clickBBox, self.figure.renderer)

        def over_text(t):
            bbox = t.get_window_extent(self.figure.renderer)
            return clickBBox.overlap(bbox)

        def over_line(line):
            # can't use the line bbox because it covers the entire extent
            # of the line
            xdata = line.transx.positions(line.get_xdata())
            ydata = line.transy.positions(line.get_ydata())
            distances = sqrt((x - xdata)**2 + (y - ydata)**2)
            return min(distances) < epsilon

        for ax in self.figure.axes:

            for line in ax.get_lines():
                if over_line(line):
                    self.select_line(line)
                    return

            text = ax.get_xticklabels()
            text.extend(ax.get_yticklabels())

            for t in text:
                if over_text(t):
                    self.select_text(t)
                    return
示例#4
0
    def pick(self, x, y, epsilon=5):
        """
        Return the artist at location x,y with an error tolerance epsilon
        (in pixels)
        """

        clickBBox = lbwh_to_bbox(x - epsilon / 2, y - epsilon / 2, epsilon,
                                 epsilon)
        draw_bbox(clickBBox, self.renderer)

        def over_text(t):
            bbox = t.get_window_extent(self.renderer)
            return clickBBox.overlaps(bbox)

        def over_line(line):
            # can't use the line bbox because it covers the entire extent
            # of the line
            trans = line.get_transform()
            xdata, ydata = trans.numerix_x_y(line.get_xdata(),
                                             line.get_ydata())
            distances = sqrt((x - xdata)**2 + (y - ydata)**2)
            return amin(distances) < epsilon

        for ax in self.figure.axes:

            for line in ax.get_lines():
                if over_line(line):
                    self.select_line(line)
                    return

            text = ax.get_xticklabels()
            text.extend(ax.get_yticklabels())

            for t in text:
                if over_text(t):
                    self.select_text(t)
                    return