This is interesting. It seems that the event.x, event.y values are for
the entire figure area rather than limited to the image. Anyone know
how to get the image values instead?
Also, I wonder how one might get the values of the pixels (i.e. image
value) at the pixels that you click on. One more thing -- is there a
way to make the cursor be a full plot window cross -- graphically like:
------------------
| | |
| | |
| | |
|--------|---------|
| | |
| | |
------------------
It makes it easier to align with the axes sometimes (the IDL astronomy
library has a routine called rdplot that does this).
Jon
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