def cmd_mrph_wtr(self):
     self.img = Morphology(glb_img).watershed()
     return self.canvas_image(self.img)
 def cmd_mrph_sklt(self):
     self.img = Morphology(glb_img).skeletonize()
     return self.canvas_image(self.img)
 def cmd_mrph_sqr(self):
     self.img = Morphology(glb_img).square()
     return self.canvas_image(self.img)
 def cmd_mrph_ers(self):
     self.img = Morphology(glb_img).erosion()
     return self.canvas_image(self.img)
 def cmd_mrph_opn(self):
     self.img = Morphology(glb_img).opening()
     return self.canvas_image(self.img)
 def cmd_mrph_dlt(self):
     self.img = Morphology(glb_img).dilation()
     return self.canvas_image(self.img)
 def cmd_mrph_cvx(self):
     self.img = Morphology(glb_img).convex_hull()
     return self.canvas_image(self.img)
 def cmd_mrph_cls(self):
     self.img = Morphology(glb_img).closing()
     return self.canvas_image(self.img)
 def cmd_mrph_whttop(self):
     self.img = Morphology(glb_img).white_tophat()
     return self.canvas_image(self.img)
 def cmd_mrph_blctop(self):
     self.img = Morphology(glb_img).black_tophead()
     return self.canvas_image(self.img)