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*Maksim Sestic
Message 1 of 4 (186 Views)

Temporary graphic entity (disappears after REGEN)

186 Views, 3 Replies
08-11-2005 12:24 AM

Dear all,

 

I have noticed that some AutoCAD verticals (maybe
even ACAD itself) use some sort of temporary graphic entities. They are commonly
used as error markers during topology creation (Map), for example. When user
issues REGEN command, they simply disappear. Just like they were never actually
written into the database (DWG).

 

What's the common ACAD term for such
"temporary" entities and does ObjectARX (2005/2006) expose some sort of function
for drawing/deleting them? Are there .NET examples available?

 

Regards,

Maksim Sestic
*Mike Tuersley
Message 2 of 4 (186 Views)

Re: Temporary graphic entity (disappears after REGEN)

08-11-2005 07:09 AM in reply to: *Maksim Sestic
Maksim - it sounds like you are referring to "jigging" for which there is
an example in the ObjectARX 2006 SDK called EllipseJig

-- Mike
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Mike Tuersley
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the trick is to realize that there is no spoon...
Distinguished Contributor
NathTay
Posts: 1,691
Registered: ‎12-15-2003
Message 3 of 4 (186 Views)

Re: Temporary graphic entity (disappears after REGEN)

08-11-2005 04:43 PM in reply to: *Maksim Sestic
In lisp there is GRDRAW & GRVECS. I don't know if there is a .NET API equivalent.

Regards - Nathan
*Maksim Sestic
Message 4 of 4 (186 Views)

Re: Temporary graphic entity (disappears after REGEN)

08-12-2005 12:00 AM in reply to: *Maksim Sestic

Nathan, you're
right. I recall using these two Lisp functions years ago to
achieve described effect. Mike mentioned AcEdJig .NET API class exposed in
ObjectARX 2006, and I guess this is a topic to start researching further
(although still not sure if this is the right thing). Jig
enables a "rubber band" (ghosting) effect.


size=2>
 

Nathan, Mike - thanks a lot for your
suggestions.

 

Regards,

Maksim Sestic

 

In lisp there is GRDRAW &
GRVECS. I don't know if there is a .NET API equivalent.

Regards -
Nathan

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