Click through PNG image - only if clicked coordinate is transparent

Question

I have an image like this:

I want it so that when I click the transparent parts, the click should go through to the underlying element, but when I click a n

Answer 1

For your scenario, would it be sufficient to capture click events on the non-transparent area of the image?

This can be done using a map and some JavaScript:

(The coordinates were derived using this site.)