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PATH ARCS 1 by SLEEper

It's best to learn the original position numbers first before altering them .. But to each their own..In other words, do what you want to do.



The position numbers come after the Arc size A? ? Absolute or a? ? relative.
0 0 1 upwards arc curve
0 0 0 downwards arc curve

These can be altered to change the curve to the left or to the right.
To move the curve to the left:
Change the first 0 to the amount of curve you desire.
To move to the right, use - ( minus ) in front of the number.

In the Examples above, first row (top)
first arc is a normal 0 0 1
The Arc size is a50 20

M20 60 a50 20 0 0 1 100 0

Number 2 draw (top) row: I changed the first zero to 10 0 1.
This pushes the curve up 10 pixels to the left.

M140 60 a50 20 10 0 1 100 0

Number 3 (top) row: I changed the first zero to -10 (minus 10 )
This pushes the curve up to the right.

M260 60 a50 20 -10 0 1

The 2nd row: I used the downwards curve position numbers 0 0 0. This works the same as the upward position numbers, except it pushes downwards to the left. Or right if you use a minus.

On the bottom row: 1st draw is normal.

M70 200 a50 40 0 0 0 0 90

2nd draw bottom row.

M140 200 a50 40 50 0 0 0 90

I changed the 1st zero to 50.
This pushed the curve up to the left.
If you want the curve to go downwards you would use a minus.

3rd draw bottom row: I did just the opposite, using a minus to push the curve upwards to the right.

M190 200 a50 40 -50 0 1 0 90

Again if you want it to go opposite remove the minus.

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Changing the 2nd zero in the position numbers is used when making ovals and circles, or fixing footballs .. lol.

Last draw bottom row right

M330 200 a50 40 90 0 0 0 90 M330 200 a50 40 -90 0 1 0 90

Sometimes inadvertently or purposely, you have a arc that turns out looking sort of like a football. To change this all you have to do is change the 2nd zero in the position numbers to half the amount of the depth of your arc.

In this example, the arc was a50 40 ~
Depth is 40, so you would change the second zero in the position to 20.
Any change of the number will work. But to be accurate it should be half the depth. Other wise in some cases it will be larger than it should be.

Red

M312 200 a50 40 90 0 0 0 90 M312 200 a50 40 -90 20 1 0 90

Altering the 1st. & 2nd zero pushes the oval & circles up and down vertically.

On to Arcs 2
More on ovals and circles, 2nd zero position numbers

© Copyright 2006, by SLEEper