Point selection dialog was implemented into the door toolbox
The feature will try to find world map files into folder with file.
If found one file - it will be opened now. If fount multiple -
you will asked, what file of the world map need to open.
If files not found - you will see warning message.

When you select point on the world map and press "Ok", value X and Y will
be changed to x and y valued, selected on the opened world map.