AutoCAD 2010/2011/2012

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Mentor
JamaL9722060
Posts: 1,302
Registered: ‎04-09-2010
Message 1 of 7 (201 Views)

What sort of constraints that may achieve this behavior?

201 Views, 6 Replies
03-06-2012 01:40 PM

What sort of constraints that may achieve this behavior?

 

In the screenshot below, I need to have symmetric behavior. For example, in case I stretch the indicated part of the drawing then I need the other corresponding part is to be stretched accordingly.

 

What constraints settings might achieve this?

 

The drawing is attached

 

Thank you for the help,

 

Best

 

Jamal

 

Clip_451.jpg

 

Clip_452.jpg

----------------------------------------------------------
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.
Distinguished Contributor
zzz144
Posts: 184
Registered: ‎06-12-2008
Message 2 of 7 (198 Views)

Re: What sort of constraints that may achieve this behavior?

03-06-2012 02:26 PM in reply to: JamaL9722060

use the equal (=) constraint

 

you need to use the constraint dimenstions.... not regular dimensions

 

see attached... 

Mentor
JamaL9722060
Posts: 1,302
Registered: ‎04-09-2010
Message 3 of 7 (186 Views)

Re: What sort of constraints that may achieve this behavior?

03-06-2012 03:59 PM in reply to: zzz144

thank you for the help zzz144.

 

the issue now is: if i change the dimension to be 2.5, then regular diemension doesn't change accordingly!

 

best

 

Jamal

Clip_456.jpg

 

Clip_457.jpg

 

 

----------------------------------------------------------
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.
Distinguished Contributor
zzz144
Posts: 184
Registered: ‎06-12-2008
Message 4 of 7 (184 Views)

Re: What sort of constraints that may achieve this behavior?

03-06-2012 04:10 PM in reply to: JamaL9722060

ah yes... you will have to redimension... because the true dimnesions lost their associativity... 

 

just be careful how you dimension... 

 

see attached. 

Mentor
JamaL9722060
Posts: 1,302
Registered: ‎04-09-2010
Message 5 of 7 (181 Views)

Re: What sort of constraints that may achieve this behavior?

03-06-2012 04:20 PM in reply to: zzz144

 

then in this simple case, much more manual work is still needed!

 

why ther is no way to let the regular dimesnion responds automatically?

 

there should be a way. otherwise, the parametric is not useful.

 

what do you think?

 

Clip_458.jpg

 

----------------------------------------------------------
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.
Distinguished Contributor
zzz144
Posts: 184
Registered: ‎06-12-2008
Message 6 of 7 (178 Views)

Re: What sort of constraints that may achieve this behavior?

03-06-2012 04:35 PM in reply to: JamaL9722060

well you are sort of correct. autocad is not meant to be parametric. this constraint and parametric dimesnions are simply a little experiment/addon they built in just recently... and it has its bugs... 

 

manual dimensions will obey the drawn geometry for as long as they can.... 

 

whereas the parametric dimensions when they cannot obey the geometry they simply cease to exist. 

Mentor
JamaL9722060
Posts: 1,302
Registered: ‎04-09-2010
Message 7 of 7 (163 Views)

Re: What sort of constraints that may achieve this behavior?

03-07-2012 03:27 PM in reply to: zzz144

Thansk ZZZ144. i'll try to post this issue in a separate thread.

 

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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