See also

• The Writing efficient image-scanning loops recipe proposes a discussion on the efficiency of iterators when scanning an image.
• Also, if you are not familiar with the concept of iterators in object-oriented programming and how they are implemented in ANSI C++, you should read a tutorial on STL iterators. Simply search the web with the keywords STL Iterator, and you will find numerous references to the subject.

We've successfully learned how to scan an image with iterators. Now let's move on to the next recipe!