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issue with adding a curve to an existing alignment
issue with adding a curve to an existing alignment
hi,
i have an existing alignment issued to me which has been created using all straight lines even where there should be curves. I am trying to insert curves in these areas. Using free curves (2 entities and a through point) I create a curve then somethings happen i can't work out -
1. The curve is created but the original straight linework stays. I would have thought the original linework would automatically delete. See attached pdf between points 60 and 62 the curve and straights can be seen.
2. Then all stations after the curve are changed to the question mark symbol. If i click on the alignment all the grips are still there for the full length of the alignment, indicating the alignment is still in one piece.
3. If I try to create another curve further along the alignment it won't allow it. Stating on the command line "Selected entity must be part of the main entity."
Insrting free curves maintains the physical PI of
the geometry
-- Thanks, Joe
Joseph D. Bouza, P.E. Civil 3D 2008 LDT 2008 Win XP pro v 2002,
sp 2 hp workstation xw4600 Intel Core Duo CPU E7200 @2.53 GHz 3 GB
RAM NIVDIA Quadro FX 1700 (512MB)
The mantra of a former Flamer:
If you are forced to eat an Elephant, don’t complain about it; Take one
bite at a time.
***************************************************************************************** In
memory of the King of Work-arounds "The only Constant is Change".
"The only thing worse than training your staff, and having them leave is
- not training your staff, and having them stay." 😮 A reminder taken
from Graphics Solution Providers' Calendar
page *****************************************************************************************
hi,
i have an existing alignment issued to me which has been created using all
straight lines even where there should be curves. I am trying to insert curves
in these areas. Using free curves (2 entities and a through point) I create a
curve then somethings happen i can't work out - 1. The curve is created but
the original straight linework stays. I would have thought the original
linework would automatically delete. See attached pdf between points 60 and 62
the curve and straights can be seen. 2. Then all stations after the curve are
changed to the question mark symbol. If i click on the alignment all the grips
are still there for the full length of the alignment, indicating the alignment
is still in one piece. 3. If I try to create another curve further along the
alignment it won't allow it. Stating on the command line "Selected entity must
be part of the main entity." I'm using C3D 2009. Any help appreciated.
Yes, but the PI extension display should be
adressable in the style setting dialog box. off the top of my head I cant say
where.
-- Thanks, Joe
Joseph D. Bouza, P.E. Civil 3D 2008 LDT 2008 Win XP pro v 2002,
sp 2 hp workstation xw4600 Intel Core Duo CPU E7200 @2.53 GHz 3 GB
RAM NIVDIA Quadro FX 1700 (512MB)
The mantra of a former Flamer:
If you are forced to eat an Elephant, don’t complain about it; Take one
bite at a time.
***************************************************************************************** In
memory of the King of Work-arounds "The only Constant is Change".
"The only thing worse than training your staff, and having them leave is
- not training your staff, and having them stay." 😮 A reminder taken
from Graphics Solution Providers' Calendar
page *****************************************************************************************
I've exported one of the alignments to this drawing. I added the first curve to the segments and the previously stated issues occurred. A curve needs to be added further along (about 10 metres ) but i can't get the stations to continue once the first curve is created although all the grips show for the entire alignment? On the grid view the stations only go to the first curve.
Any help appreciated.
Toolspace - Settings - Alignment - Alignment Styles - select alignment
style - right click - select Edit - Display Tab - toggle off Line
Extensions.
Joe Bouza wrote:
> Yes, but the PI extension display should be adressable in the style
> setting dialog box. off the top of my head I cant say where.
>
<>
Not sure why it's not working for you. I just took your
drawing, deleted the curve you added (after I placed a temp line bewteen the
curve's endpoints for reference), used the Fillet through point. It added the
curve in the exact same position as yours and the stationing is redone
correctly.
What version & service pack are you using? I'm using 2009,
SP version 2
Thanks
Bruce, I've exported one of the alignments to this drawing. I added the first
curve to the segments and the previously stated issues occurred. A curve needs
to be added further along (about 10 metres ) but i can't get the stations to
continue once the first curve is created although all the grips show for the
entire alignment? On the grid view the stations only go to the first curve.
Any help appreciated. Thanks, Ben
Thankyou both for taking a look at that drawing for me. I still could not get it to work using free curve fillet. Out of frustrationI starting test all the other curve options. The one that worked was Fixed Curved from entity end through point. I can't work out why. But i suppose the lesson I have learnt is if one option doesn't work try them all.
Ok, this reply might be a bit on the late side, but I had the same problem lately as well and this solution might be useful for others in the future.
But as for your problem no. 3, the solution for me was this: simply move the grid to the back (draworder) and the alignment to the front and you'll be able to attach more cuves again. Took me a while to figure this out though.
