World: r3wp

Maybe it would be better for someone more familiar with and interested 
in mathematical issues to do so. Ladislav?

advise on how to colorize individual countries in a worldmap?
take a worldmap, draw background borders between the countries
and then floodfill the country via a central coordinate. 
is this a effective approach?

Not enough probably as you might jave country border touching other 
border of the same countryy. Countries are not simple polygon !

My first though is to have a map (an image) of countries where each 
country has its own color (call it a color-map) and another map of 
the same size that you display (diplay-map).
Then you have a block of pairs [country-name country-color].
So like this you have a relationship in any sense.


Click the displayed map => find the corresponding pixel in the color-map 
=> find the country name in the block.

To know the edge of the country you want to fill, just find all the 
pixels of this same color in the color-map and poke the corresponding 
pixel on the diplay-map.

jave=have

yes, a precolorized map would make things simpler. thx didec...