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Arc Lengths

Arc Lengths

Arc Lengths

(OP)
Is there an arc length dimension?  I would like to create a dimension to constrain the length of an arc.  Right now I have dimensioned theta and the radius.  I insert the radius and then make theta equal to the radius divided by the desired length (it is radiuns).  This works but it would be better if I could just have the length and radius.

I know I can use the measure tool to find the length afterwards, but is there a dimension tool that does the same thing.  Right now I have to hide the theta dimension and then create a new driven theta dimension and override the text with the length.  I want the viewer of the drawing to see the arc length and radius only.  So to put it simply a constraining length dimension would be nice, but a driven length dimension is acceptable.

RE: Arc Lengths

(OP)
I forgot to mention one thing.  I have tried to do this using formulas but I keep getting an error concerning the syntax of the formula.  Has anyone been able to use a formula?  Is there a trick to it?

RE: Arc Lengths

Yes, you can have an arc length dimension.  With the Dimension cursor, click the arc and then each endpoint of the arc, then where you want your dimension to be placed in space.  This defines your arc length.

I think you'll need to constrain/define your radius as well.


Jeff Mowry
www.industrialdesignhaus.com
Reality is no respecter of good intentions.

RE: Arc Lengths

(OP)
That's exactly what I wanted.  Thank You.

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