AutoCAD 2010/2011/2012

AutoCAD 2010/2011/2012

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JamaL9722060
Posts: 1,342
Registered: ‎04-09-2010
Message 1 of 5 (508 Views)
Accepted Solution

How to keep the “center mark” at the center of the circle or arc?

508 Views, 4 Replies
04-23-2012 01:01 PM

How to keep the “center mark” at the center of the circle or arc?

 

I wanted to keep the “center mark” at the center of the circle but sounds not to work!

 

Is there a way? Or do we need to draw it using the “point” command?

 

Thank you for the help

 

Best

 

Jamal

 

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----------------------------------------------------------
Jamal NUMAN, GIS and Civil Engineer, MSc
e-mail: JamaL9722060@yahoo.com
P.O.Box: 731, Ramallah, West Bank, Palestine.
----------------------------------------------------------
Software: AutoCAD 2014, AutoCAD C3D, AutoCAD M3D, Revit
Windows 7 (Ultimate 64 bits),
Firefox 20.0,
Kaspersky 2013.

Hi,

 

>> I wanted to keep the “center mark” at the center of the circle but sounds not to work!

Not for object-snap, if you have more osnaps active than "center".

 

If you need it very often I would create a block with a circle (radius = 1) and a point in the center, then create a block from these two objects and for every position you want to have a circle you can now insert this block with a scaling = radius.

 

It's a workaround, because it does not give you the mass of construction-options like TAN-TAN-RADIUS or PNT-PNT-PNT or ..., it also can't be trimmed without beeing exploded.

 

You can also use your idea with point (without building a block), but then your point should be "connected" via constraints to your circle-center.

 

- alfred -


JamaL9722060 wrote:

How to keep the “center mark” at the center of the circle or arc?

I wanted to keep the “center mark” at the center of the circle but sounds not to work!

Is there a way? Or do we need to draw it using the “point” command?

 

Draw a point in the center of the circle, use geometric constraint to constrain the point to the center of the circle. After you do this, move the point, the circle moves. Move the circle, the point moves.

*Expert Elite*
pendean
Posts: 22,933
Registered: ‎11-06-2003
Message 2 of 5 (506 Views)

Re: How to keep the “center mark” at the center of the circle or arc?

04-23-2012 01:08 PM in reply to: JamaL9722060

If it needs to show up, draw it just like you wrote.

Dean Saadallah Blog | Facebook | Google+ | Twitter | PINS
*Expert Elite*
Alfred.NESWADBA
Posts: 9,217
Registered: ‎06-29-2007
Message 3 of 5 (505 Views)

Re: How to keep the “center mark” at the center of the circle or arc?

04-23-2012 01:09 PM in reply to: JamaL9722060

Hi,

 

>> I wanted to keep the “center mark” at the center of the circle but sounds not to work!

Not for object-snap, if you have more osnaps active than "center".

 

If you need it very often I would create a block with a circle (radius = 1) and a point in the center, then create a block from these two objects and for every position you want to have a circle you can now insert this block with a scaling = radius.

 

It's a workaround, because it does not give you the mass of construction-options like TAN-TAN-RADIUS or PNT-PNT-PNT or ..., it also can't be trimmed without beeing exploded.

 

You can also use your idea with point (without building a block), but then your point should be "connected" via constraints to your circle-center.

 

- alfred -

-------------------------------------------------------------------------
Alfred NESWADBA
Ingenieur Studio HOLLAUS ... www.hollaus.at
-------------------------------------------------------------------------
*Expert Elite*
rkmcswain
Posts: 3,520
Registered: ‎11-13-2006
Message 4 of 5 (499 Views)

Re: How to keep the “center mark” at the center of the circle or arc?

04-23-2012 01:23 PM in reply to: JamaL9722060

JamaL9722060 wrote:

How to keep the “center mark” at the center of the circle or arc?

I wanted to keep the “center mark” at the center of the circle but sounds not to work!

Is there a way? Or do we need to draw it using the “point” command?

 

Draw a point in the center of the circle, use geometric constraint to constrain the point to the center of the circle. After you do this, move the point, the circle moves. Move the circle, the point moves.

Mentor
JamaL9722060
Posts: 1,342
Registered: ‎04-09-2010
Message 5 of 5 (490 Views)

Re: How to keep the “center mark” at the center of the circle or arc?

04-23-2012 02:20 PM in reply to: rkmcswain

Thank you guys for the very useful ideas that you have provided. This answers my question.

 

Best

 

Jamal

----------------------------------------------------------
Jamal NUMAN, GIS and Civil Engineer, MSc
e-mail: JamaL9722060@yahoo.com
P.O.Box: 731, Ramallah, West Bank, Palestine.
----------------------------------------------------------
Software: AutoCAD 2014, AutoCAD C3D, AutoCAD M3D, Revit
Windows 7 (Ultimate 64 bits),
Firefox 20.0,
Kaspersky 2013.
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