Drafting Techniques

Drafting Techniques

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*MMONROY
Post 1 of 12

non coplanar lines

1804 Views, 11 Replies
08-16-2001 03:39 AM
what does it mean when the command line says "lines are non coplanar" when
trying to make a fillet?
*Scott, John
Post 2 of 12

Re: non coplanar lines

08-16-2001 03:39 AM in reply to: *MMONROY
Different Z coordinates.

"MMONROY" wrote in message
news:175A678E88D05600A3FBFB7D0BCCB1D4@in.WebX.maYIadrTaRb...
> what does it mean when the command line says "lines are non coplanar" when
> trying to make a fillet?
>
>
*Jolley, Alfred C.
Post 3 of 12

Re: non coplanar lines

08-16-2001 03:53 AM in reply to: *MMONROY
assuming that you are not working in 3-D you probably have an endpoint with
a Z value other than 0 or different than the other endpoints. List you lines
and check out their Z values. When working in 2_D I have found this to
happen when you have some rouge entity/block in you drawing with a Z value
and you osnap to this entity and so inadvertently create a line with
differing Z values.

if you are working in 3-D imagine that you place a sheet of glass on one of
the lines you are trying to fillet. Now rotate the sheet of glass using this
line as its axis. When you hit the second line you will find that you can
not get both endpoints of the second line to be on the sheet of glass at the
same time. The lines are not coplanar.


"MMONROY" wrote in message
news:175A678E88D05600A3FBFB7D0BCCB1D4@in.WebX.maYIadrTaRb...
> what does it mean when the command line says "lines are non coplanar" when
> trying to make a fillet?
>
>
*Dibbs, Pete
Post 4 of 12

Re: non coplanar lines

08-16-2001 10:42 PM in reply to: *MMONROY
Type "flatten" at the command line this will send everything to 0.00 on your
Z axis..Pete
"MMONROY" wrote in message
news:175A678E88D05600A3FBFB7D0BCCB1D4@in.WebX.maYIadrTaRb...
> what does it mean when the command line says "lines are non coplanar" when
> trying to make a fillet?
>
>
*Richardson, Randy
Post 5 of 12

Re:

08-17-2001 01:50 AM in reply to: *MMONROY
Looks like you have a custom application that automatically loads. Flatten
is not a standard AutoCAD command (unless it's been added to 2002).
*Scott, John
Post 6 of 12

Re:

08-17-2001 01:50 AM in reply to: *MMONROY
Flatten is a Lisp routine and a very handy one at that. I have it if you
would like me to send it to you. Just let me know.


"Randy Richardson" wrote in message
news:731F0D28A92BDB7EAB055EAA90143BB1@in.WebX.maYIadrTaRb...
> Looks like you have a custom application that automatically loads.
Flatten
> is not a standard AutoCAD command (unless it's been added to 2002).
>
>
*Medina, Alfredo
Post 7 of 12

Re: non coplanar lines

08-18-2001 03:55 AM in reply to: *MMONROY
It means that both lines were not created using UCS (User Coordinate System
that are parallel. Therefore they are not considered as coplanar.
An easy way to correct this problem is this one:
1) Ucs > Entity (or Object) > Select the line that is not parallel to the
current Ucs.
2) Make a block with that line, using one of its endpoints as the insertion
point.
3) Switch to the other line's Ucs by using Ucs > Entity (or Object) on the
other line. (You might need simply to return to the World Ucs, if that is
the common Ucs for your entities.)
4)Insert the block and explode it. Now, both lines must belong to the same
Ucs, and you can use Fillet or Pedit, or any other similar command that
requires both entities to be coplanar.

Alfredo Medina
alfmedina@hotmail.com
Moderator

MMONROY wrote:
>
> what does it mean when the command line says "lines are non coplanar" when
> trying to make a fillet?
*Medina, Alfredo
Post 8 of 12

Re:

08-18-2001 04:04 AM in reply to: *MMONROY
Oops. Correction : Two Ucs can be *paralel* and yet not coplanar. Coplanar
means that they their XY grids share the same plane, even though the origin
points are different.

Alfredo Medina
alfmedina@hotmail.com
Moderator

Alfredo Medina wrote:
>
> It means that both lines were not created using UCS (User Coordinate System
> that are parallel. Therefore they are not considered as coplanar.
(...)
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Post 9 of 12

Re: non coplanar lines

09-20-2001 07:15 AM in reply to: *MMONROY
when it happens to me i just use a circle ttr
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Registered: ‎02-09-2002
Post 10 of 12

Re: non coplanar lines

09-21-2001 04:50 AM in reply to: *MMONROY
If you have a problem with 2D non-coplanar lines and want to move all lines to 0.0 then:-
on the command line type CHANGE - select objects you wish to change by window picking or crossing or even select the whole drawing - PROPERTIES - ELEVATION and enter new elevation of 0.00 and enter. All 2D lines selected will be set to 0.00
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