----- Original Message ----- > From: Gregory Ewing > To: python-list@python.org > Sent: Thursday, June 12, 2014 8:38 AM > Subject: Re: Lines on a tkinter.Canvas > > Pedro Izecksohn wrote: >> The Canvas' method create_line turns on at least 2 pixels. But I want > to turn >> on many single pixels on a Canvas. > > You could try using a 1x1 rectangle instead.
pedro@microboard:~/programming/python/tk/canvas$ diff old/testing.001.py testing.py 19c19 < self.canvas.create_line (p.x, p.y, p.x, p.y, fill = color) --- > self.canvas.create_rectangle (p.x, p.y, p.x, p.y, fill = color) The result that I got is: The line drawn by it is not shown. > However, be aware that either of these will use quite a > lot of memory per pixel. If you are drawing a very large > number of pixels, this could cause performance problems. > In that case, you might want to use a different approach, > such as creating an image and telling the canvas to display > the image. I did not try this yet. -- https://mail.python.org/mailman/listinfo/python-list
