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How do I make a sine wave in illustrator?

New Here ,
Oct 31, 2013 Oct 31, 2013

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Hi,

I started a thread earlier this evening but I think that I accidentally flagged it as "solved" or something like that (I'm new to this forum). So I'm trying this again. I want to know if there's a way of creating a sine wave in illustrator. I've managed to create a cosine wave by using the zig zag effect on a line and choosing "smooth". But I can't seem to find a good way to make a sine wave.

This is the difference for anyone wondering:

http://upload.wikimedia.org/wikipedia/commons/thumb/7/71/Sine_cosine_one_period.svg/600px-Sine_cosine_one_period.svg.png

I want a sine wave just like the picture above.

Thanks for the help!

ekmanch

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correct answers 1 Correct answer

Adobe Community Professional , Nov 11, 2013 Nov 11, 2013
ekmanch,As I (mis)understand it, to create a single full sine wave, you may:1) Create a horizontal line 2.5 times the length of the desired full sine wave (or you may adapt the length later);2) Effect>Distort & Transform>Zig Zag with 4 Ridges per segment and Smmoths Points and the desired height as the Size (or you may adapt later);3) Object>Expand Appearance;4) Object>Path>Add Anchor Points;5) With the Scissors Tool cut where the sine wave starts and ends;6) Ungroup if needed and delete the end...

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Adobe Community Professional ,
Oct 31, 2013 Oct 31, 2013

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I think all the replies in the previous thread tried to say that the sine and the cosine curves are exactly the same

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New Here ,
Oct 31, 2013 Oct 31, 2013

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They are the same except that they are shifted to eachother. I need my curve to start at 0 (origin), not at the top. And I can't crop, use the knife tool etc. because of the effect. So I don't really know what to do.

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Adobe Community Professional ,
Nov 01, 2013 Nov 01, 2013

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expand appearence?

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Adobe Community Professional ,
Nov 01, 2013 Nov 01, 2013

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if they are just the same but shifted along the x axis, you'd probably be best off applying a transform effect to move a copy of the original line whatever distance horizontally, then put a clipping mask on the result.

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New Here ,
Nov 11, 2013 Nov 11, 2013

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How do I apply a transform that offsets the line horizontally so I can put a clipping mask on it? The clipping mask seems to work but it doesn't allow me to just take a part in the middle. Only at the ends of the line.

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Adobe Community Professional ,
Nov 11, 2013 Nov 11, 2013

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ekmanch,

As I (mis)understand it, to create a single full sine wave, you may:

1) Create a horizontal line 2.5 times the length of the desired full sine wave (or you may adapt the length later);

2) Effect>Distort & Transform>Zig Zag with 4 Ridges per segment and Smmoths Points and the desired height as the Size (or you may adapt later);

3) Object>Expand Appearance;

4) Object>Path>Add Anchor Points;

5) With the Scissors Tool cut where the sine wave starts and ends;

6) Ungroup if needed and delete the end bits (and adapt the length/height if needed).

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New Here ,
Nov 11, 2013 Nov 11, 2013

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Thanks so much! It worked beautifully.

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Adobe Community Professional ,
Nov 11, 2013 Nov 11, 2013

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You are welcome, ekmanch.

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LEGEND ,
Nov 11, 2013 Nov 11, 2013

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To make a sine wave you just wave and hope the sine waves back.

Sorry folks. Gone midnight here.

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Adobe Community Professional ,
Nov 12, 2013 Nov 12, 2013

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I missed that higher level effortless solution yesterday, Steve, because it was gone one here.

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New Here ,
Mar 20, 2018 Mar 20, 2018

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Thank you-- this is excellent!

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Adobe Community Professional ,
Mar 20, 2018 Mar 20, 2018

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You are welcome, russc.

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LEGEND ,
Nov 01, 2013 Nov 01, 2013

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Since there’s really no difference you could use a (probably rectangular) clipping mask to define where the wave begins and ends.

Or, if you don’t mind expanding the effect, just do that and then edit (knife, scissors whatever) the path.

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