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DB apperance depending on attribute value

Printed From: CAD Forum
Category: EN
Forum Name: AutoCAD
Forum Description: Discussion about AutoCAD and AutoCAD LT, viewers, DWG and DWF formats, Design Review, AutoCAD 360, add-ons
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=10728
Printed Date: 29.May.2026 at 17:16


Topic: DB apperance depending on attribute value
Posted By: Macieto
Subject: DB apperance depending on attribute value
Date Posted: 10.Oct.2014 at 15:15
Hi there!

I'm wondering if there is a possibility to change block apperance (for example dimensions) by attribute value?

For example lets say that I have DB with just linear stretch and I want my DB to read stretch value from attribute value. If YES, Then I'm able to export/import attributes and automaticaly change dimensions of multiple blocks.

possible?
AC 2012 full EN
BR

Maciek

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ACAD MEP 2009 EN SP3



Replies:
Posted By: Vladimir Michl
Date Posted: 10.Oct.2014 at 15:25
It won't be possibe just by changing the attribute value but you can use a LISP utility to change the attribute AND the visibility state at the same time. We might be able to add DB visibility states to our "DwgText" import/export utility.

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Vladimir Michl (moderator)
ARKANCE - https://arkance.world" rel="nofollow - https://arkance.world - Autodesk Platinum Partner


Posted By: Macieto
Date Posted: 10.Oct.2014 at 16:11
Thx for quick respons Vladimir

For now I do not care about visibility state.

I've prepared test DB block to show what I would like to achieve.
Block contains two attributes (lenght_att, height_att) and two streatch actions based on two parameters (lenght_parameter, height_parameter).

Because I have attributes I have possibility to do export/import attribute data. And I would like sth to read/write attributes value into parameters value:
lenght_att >>> lenght_parameter
height_att >>> height_parameter

possible to do in "DwgText"?
uploads/38935/test.dwg" rel="nofollow - uploads/38935/test.dwg
Originally posted by Vladimir Michl Vladimir Michl wrote:

It won't be possibe just by changing the attribute value but you can use a LISP utility to change the attribute AND the visibility state at the same time. We might be able to add DB visibility states to our "DwgText" import/export utility.


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ACAD MEP 2009 EN SP3



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