On 6/12/2014 7:38 AM, Gregory Ewing wrote:
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.

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.

Pedro, the tkinter canvas is a vector graphics canvas, not a bitmap image canvas as in paint programs.

In that case, you might want to use a different approach,
such as creating an image and telling the canvas to display
the image.

Terry Jan Reedy


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