def new_axes(self,ax): self.ax = ax if self.canvas is not ax.figure.canvas: for cid in self.cids: self.canvas.mpl_disconnect(cid) self.canvas = ax.figure.canvas self.cids.append(self.canvas.mpl_connect('motion_notify_event', self.onmove)) self.cids.append(self.canvas.mpl_connect('button_press_event', self.press)) self.cids.append(self.canvas.mpl_connect('button_release_event', self.release)) self.cids.append(self.canvas.mpl_connect('draw_event', self.update_background)) if self.direction == 'horizontal': trans = blended_transform_factory(self.ax.transData, self.ax.transAxes) w,h = 0,1 else: trans = blended_transform_factory(self.ax.transAxes, self.ax.transData) w,h = 1,0 self.rect = Rectangle( (0,0), w, h, transform=trans, visible=False, **self.rectprops ) if not self.useblit: self.ax.add_patch(self.rect)
def new_axes(self, ax): self.ax = ax if self.canvas is not ax.figure.canvas: for cid in self.cids: self.canvas.mpl_disconnect(cid) self.canvas = ax.figure.canvas self.cids.append( self.canvas.mpl_connect('motion_notify_event', self.onmove)) self.cids.append( self.canvas.mpl_connect('button_press_event', self.press)) self.cids.append( self.canvas.mpl_connect('button_release_event', self.release)) self.cids.append( self.canvas.mpl_connect('draw_event', self.update_background)) if self.direction == 'horizontal': trans = blended_transform_factory(self.ax.transData, self.ax.transAxes) w, h = 0, 1 else: trans = blended_transform_factory(self.ax.transAxes, self.ax.transData) w, h = 1, 0 self.rect = Rectangle((0, 0), w, h, transform=trans, visible=False, **self.rectprops) if not self.useblit: self.ax.add_patch(self.rect)
def new_axes(self, ax): self.ax = ax if self.canvas is not ax.figure.canvas: self.disconnect_events() self.canvas = ax.figure.canvas self.connect_event("motion_notify_event", self.onmove) self.connect_event("button_press_event", self.press) self.connect_event("button_release_event", self.release) self.connect_event("draw_event", self.update_background) if self.direction == "horizontal": trans = blended_transform_factory(self.ax.transData, self.ax.transAxes) w, h = 0, 1 else: trans = blended_transform_factory(self.ax.transAxes, self.ax.transData) w, h = 1, 0 self.rect = Rectangle((0, 0), w, h, transform=trans, visible=False, **self.rectprops) if not self.useblit: self.ax.add_patch(self.rect)
def __init__(self, ax, onselect, direction, minspan=None, useblit=False, rectprops=None, onmove_callback=None): """ Create a span selector in ax. When a selection is made, clear the span and call onselect with onselect(vmin, vmax) and clear the span. direction must be 'horizontal' or 'vertical' If minspan is not None, ignore events smaller than minspan The span rect is drawn with rectprops; default rectprops = dict(facecolor='red', alpha=0.5) set the visible attribute to False if you want to turn off the functionality of the span selector """ if rectprops is None: rectprops = dict(facecolor='red', alpha=0.5) assert direction in [ 'horizontal', 'vertical' ], 'Must choose horizontal or vertical for direction' self.direction = direction self.ax = ax self.visible = True self.canvas = ax.figure.canvas self.canvas.mpl_connect('motion_notify_event', self.onmove) self.canvas.mpl_connect('button_press_event', self.press) self.canvas.mpl_connect('button_release_event', self.release) self.canvas.mpl_connect('draw_event', self.update_background) self.rect = None self.background = None self.rectprops = rectprops self.onselect = onselect self.onmove_callback = onmove_callback self.useblit = useblit self.minspan = minspan # Needed when dragging out of axes self.buttonDown = False self.prev = (0, 0) if self.direction == 'horizontal': trans = blended_transform_factory(self.ax.transData, self.ax.transAxes) w, h = 0, 1 else: trans = blended_transform_factory(self.ax.transAxes, self.ax.transData) w, h = 1, 0 self.rect = Rectangle((0, 0), w, h, transform=trans, visible=False, **self.rectprops) if not self.useblit: self.ax.add_patch(self.rect) self.pressv = None
def __init__(self, ax, onselect, direction, minspan=None, useblit=False, rectprops=None, onmove_callback=None): """ Create a span selector in ax. When a selection is made, clear the span and call onselect with onselect(vmin, vmax) and clear the span. direction must be 'horizontal' or 'vertical' If minspan is not None, ignore events smaller than minspan The span rect is drawn with rectprops; default rectprops = dict(facecolor='red', alpha=0.5) set the visible attribute to False if you want to turn off the functionality of the span selector """ if rectprops is None: rectprops = dict(facecolor='red', alpha=0.5) assert direction in ['horizontal', 'vertical'], 'Must choose horizontal or vertical for direction' self.direction = direction self.ax = ax self.visible = True self.canvas = ax.figure.canvas self.canvas.mpl_connect('motion_notify_event', self.onmove) self.canvas.mpl_connect('button_press_event', self.press) self.canvas.mpl_connect('button_release_event', self.release) self.canvas.mpl_connect('draw_event', self.update_background) self.rect = None self.background = None self.rectprops = rectprops self.onselect = onselect self.onmove_callback = onmove_callback self.useblit = useblit self.minspan = minspan # Needed when dragging out of axes self.buttonDown = False self.prev = (0, 0) if self.direction == 'horizontal': trans = blended_transform_factory(self.ax.transData, self.ax.transAxes) w,h = 0,1 else: trans = blended_transform_factory(self.ax.transAxes, self.ax.transData) w,h = 1,0 self.rect = Rectangle( (0,0), w, h, transform=trans, visible=False, **self.rectprops ) if not self.useblit: self.ax.add_patch(self.rect) self.pressv = None