yep... that's exactly the shape I was looking for but it changes x... x is a linear component.. this works for drawing the shape but what I'm doing though is basically making a 2d heightmap... sorry I should have been more clear and my top graph should actually look like this, whoops!
0 0 0 0 0 0 0 0 00 00 000 000 0000 0000 00000000000000000000000000000000000000