How do I increase red referencing each pixel by position number?
Each pixel has an index number (a position in the list of pixels) associated with it. We can manipulate pictures by indexing them by number, too.
Want to play with this project yourself?
Click here
If anything goes wrong, no worries. Just hit the back button in your browser. You can re-click to re-enter GP, and everything will be as it was before.
<a href="http://guzdial.polldaddy.com/s/increase-red-by-pixel-number">View Survey</a>
Where do I go next?
I want to know:
How do I decrease red in a picture?
How do I decrease green in a picture?
How do I change pictures left-to-right, rather than top-to-bottom?
How do I draw a box on a picture?
How do I increase volume in a sound by index value?
