def _main_plot_default(self):
p = Plot(self.plot_data, default_origin='top left')
p.padding = 0
self.original_plot = p.img_plot('original_image',
colormap=bone,
alpha=self.original_alpha,
bgcolor=self.background_color_)[0]
self.canny_plot = p.img_plot('canny_plot_image',
alpha=self.canny_alpha)[0]
p.x_axis = None
p.y_axis = None
self.segments_overlay = SegmentsOverlay(
component=self.canny_plot, image_size=self.image.canny_image.shape)
p.overlays.append(self.segments_overlay)
return p
