Thanks This is my expose event function def expose(self, widget, event):
cr = widget.window.cairo_create() cr.set_source_surface(self.surface, self.border, self.border) cr.paint() cr.set_source_rgb(0.5, 0, 0) #cr.paint() cr.rectangle(int(var1)*10,int(var2)*10,5,5) cr.fill() Here i am initially drawing the background image and over it i am drawing points.These come from two variables(global) which are updated every clock cycle.Now maintaining a list and plotting it would be tedious and not at all processor friendly.Could you elaborate a bit on the other technique.Using "dirty" regions. Thanks in advance
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