Tk annoyance

There seems to be no simple way of drawing a single pixel on the screen using Tk. I've gone through some posts on Google groups, and only found the "one pixel line" etc. examples.

Although it's pretty obvious that "one pixel line" may be THE solution, it's still a bit discouraging, as I can't avoid the thought that a drawPixel procedure would do it more efficiently.

Or maybe I'm just dead wrong, and there is such a procedure