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Topic ClosedAutoCAD LT 2008
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fairwayform View Drop Down
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Joined: 11.Feb.2009
Status: Offline
Points: 4 		Direct Link To This Post Topic: AutoCAD LT 2008
    Posted: 11.Feb.2009 at 13:19
We wish to draw a straight line, tangential to a circle at an angle.

Can someone tell us how to do this.

Thanks
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Arben.Allaraj View Drop Down
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Joined: 14.Nov.2007
Location: Albania
Using: AutoCAD 2008
Status: Offline
Points: 602 		Direct Link To This Post Posted: 11.Feb.2009 at 13:44
Originally posted by fairwayform fairwayform wrote:

We wish to draw a straight line, tangential to a circle at an angle.

Can someone tell us how to do this.

Thanks


Have you tried with OSNAP Tan Mode?
Ing Arben.Allaraj
http://cad-drafting-corner.blogspot.com
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fairwayform View Drop Down
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Joined: 11.Feb.2009
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Points: 4 		Direct Link To This Post Posted: 11.Feb.2009 at 17:03
Is this where you hold the shift key down, right click in the drawing space and alter the OSNAP properties, ticking the TAN option.

If so it doesn't make any difference.



If you click the draw a line button, then click the tangent to a circle button, pick the circle you wish to draw the line tangential too, then ......

This is where if you were drawing a line from a point at an angle you could just press the tab button then enter the angle you require, but you don't have that option in the scenario outlined above.

Does anyone know another way??
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rossassociates View Drop Down
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Joined: 20.Oct.2008
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Points: 79 		Direct Link To This Post Posted: 12.Feb.2009 at 16:21
If you draw a line at the appropriate angle and then move it and get it to snap to the circle at a nearest point, will this do what you want?
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fairwayform View Drop Down
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Joined: 11.Feb.2009
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Points: 4 		Direct Link To This Post Posted: 12.Feb.2009 at 17:00
NOT ACURATE ENOUGH I'M AFRIAD.
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rossassociates View Drop Down
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Joined: 20.Oct.2008
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Points: 79 		Direct Link To This Post Posted: 12.Feb.2009 at 17:08
Are you sure?

If you pick the item up using an OSnap then it will be very accurate...

I think you might need to describe what you are attempting to achieve...

I think you want a line at a specified angle, to be attached tangentially to a circle.  The above describes this.

OR

Draw a straight line, ortho.  Then draw the circle...  then move the circle to the line, using OSnap quadrants.  Then OSnap to the line, midpoint.  Then rotate the whole item, to the required angle?

OR

Draw the line at the required angle.  Then draw the circle from the line, midpoint (2P)



Edited by rossassociates - 12.Feb.2009 at 17:16
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fairwayform View Drop Down
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Joined: 11.Feb.2009
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Points: 4 		Direct Link To This Post Posted: 12.Feb.2009 at 17:29
Thanks for your help.

Rotating the circle after drawing a perpendicular line from the mid point should help.
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