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Is there really no way to add a segment to an existing path in Adobe Illustrator?

Greetings,

Try though I have, I can find no help on this in Illustrator's Help. Yet this seems to me (and others) such an elemental thing to want to do, yet there does not seem any way to do it except to draw a separate line segment, cut the existing path to create two endpoints, then join the three endpoints. ???!!

Please tell me I am missing something completely.

Thanks.

regards,

stevenjs
_________________________________
"I am but an egg."
--Stranger in a Strange Land
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stevenjs
Asked:
stevenjs
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1 Solution
 
Lobo042399Commented:
Hi stevenjs,

I'm not sure I understand the question correctly. Do you have a JPG or screen cap of what you have and what you want to do?

Good Vibes!

Lobo
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stevenjsAuthor Commented:
Hi, Lobo,

Thanks for picking up on this, when no one else has.

No, I'm don't have a screen capture, though that's an intriguing thought.

It's really extremely simple though. Let's say I have a circle. I want to draw a diameter across it with the Pen Tool. I can draw what "looks" like a diameter, but the diameter line is not an integral part of the circle path. Its endpoints are not joined with the circle's side points. And what's worse, they can't be joined without that ridiculous admonition that only endpoints can be joined.

Worse still, in desperation, I used the scissors to cut the circle's side, then tried to join the three "endpoints" to integrate the diameter. No dice, apparently, only two endpoints maybe joined, not three.

This is totally baffling, as it would seem the most desirable of things to want to do, especially since, unless the new segment (the diameter in this case) is integrated, you can't fill the halves differently, etc.

In Flash, you just have to put one point on top of another, no matter, they join automatically. That makes perfect sense to me.

Let me know if there's something more I can explain.

regards,

stevenjs
_________________________
"I am but an egg."

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Lobo042399Commented:
Hi stevenjs,

Gotcha. Nope, that's not possible in Illustrator nor in CorelDraw. Not sure about Freehand. The idea in Illustrator is that a path is a continuous vector with one beggining point and one end point that can be joined or not. A solution to your circle problem resides in the use of Layers and the Pathfinder to cut your shape into segments that overimpose on separate layers. If you're interested I can write you a how-to.

Good Vibes!

Lobo
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stevenjsAuthor Commented:
Lobo,

Thanks for the definitive statement. I think this is a woeful flaw in my favorite program. I'm surprised they haven't addressed it.

Yes, please, I am ill-adept at the use of Pathfinder in cookie cutting. There's also this "cut shape below" function I know nothing about.

regards,

stevenjs
_________________________________
"I am but an egg."
--Stranger in a Strange Land
0
 
stevenjsAuthor Commented:
Lobo,

Yes, a how to, please.

stevenjs
_________________________________
"I am but an egg."
--Stranger in a Strange Land
0
 
Lobo042399Commented:
Hi Stvenjs,

Sorry for the delay, I got sidetracked with a rush project. Anyway, here's a little howto:

First let's set up some guidelines.

1. Create a New document. Hit Ctrl-R to make the Rulers visible and drag one horizontal and one vertical guidelines.
2. We want the guidelines to be perfectly centered so go to View>Guides and UNCHECK Lock Guides.
3. Go to Window and CHECK Align (Shft-F7). In the Align palette, click the Flyout menu and CHECK Align to Artboard.
4. Pick the Selection Tool and drag across the board to select both Guidelines.
5. In the Align palette, hit the Horizontal Align Center and the Vertical Align Center buttons (2nd and 5th in ther top row).
6. Now we have perfectly centered guidelines. Go to View>Guides and lock the guidelines.

Now to the circles.

7. Use the Ellipse Tool to draw your circle. Fill it with any colour you want.
8. In the Align palette hit the Horizontal Align Center and the Vertical Align Center buttons to center it on the artboard.
9. In the Layers palette, select Layer 1 (the default layer), click the flyout menu and select Duplicate "Layer1"
10. Rename the new Layer to anything you want, i.e. Layer 2 and make Layer 1 invisible.
11. Select Layer 2 to make it active.
12. Use the Rectangle Tool to draw a rectangle (make it a different colour so that you can see better) so that its upper edge is aligned to the horizontal guideline. Stretch it so that it covers the entire bottom half of the circle. Here is a pic of how it should look. http://gatesofdelirium.com/ee/cropcircle/cap001.jpg
13. Use the Pick Tool to select both the rectangle and the circle.
14. In the Pathfinder palette (Shift-F9) click the Substract from Shape Area button (2nd in the top row). That should make the rectangle clip the circle underneath.
15. In the same PAthfinder palette hit the Expand button to clean up any leftovers. The result should look like this:
http://gatesofdelirium.com/ee/cropcircle/cap002.jpg
You can add outlines to your shapes. You can also change the rectangle's shape to create uneven slices.
http://gatesofdelirium.com/ee/cropcircle/cap003.jpg

Of course, if you had CorelDraw all you'd need to do is use the Shape tool to drag slices from ellipses.
http://gatesofdelirium.com/ee/cropcircle/cap003.jpg

Anyway, I hope this helps you.

Good Vibes!

Lobo
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