Math for Tanabata

Enter values then press "Draw."
It may take a few seconds to draw.
For an explanation of the fields, see
about Math for Tanabata.
Here are some sample images.

Input target point: x y

Color A

Color B

none arrows in arrows out arrow left arrow right arrow up arrow down

mods for the gradient
R none 2 3 5
G none 2 3 5
B none 2 3 5


ε 0 ≤ ε < 1


Note: This program will run in current versions of Chrome, Safari, Firefox, and IE9 (except for 'save drawing').

© 2012 by Harriet Fell