how do we plot points over an image...
basically im building an <b>encoder</b> and through it i have converted my secret message into <b>(x,y) coordinates</b>.now i want to plot these points on a world map bitmap/jpeg image..
<br>
i am using dev c++ for it..and i have pmagpy for python....out of both,i can any one.<bR>
i have tried to use get(x,y) functions types for plotting on pixels,bt failed..please help as soon as u can..(possibly within a day.) 
how do we plot points over an image...
===

basically im building an <b>encoder</b> and through it i have converted my secret message into <b>(x,y) coordinates</b>.now i want to plot these points on a world map bitmap/jpeg image..
<br>
i am using dev c++ for it..and i have pmagpy for python....out of both,i can any one.<bR>
i have tried to use get(x,y) functions types for plotting on pixels,bt failed..please help as soon as u can..(possibly within a day.) 