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I am used to modeling curb returns with 3D polylines in LDT. From what I
have seen wtih C3D, I will need to create alignments and profiles and
assemblies to model curb returns. When a site has numerous intersections
this could lead to having to manage perhaps 100 alignments and profiles for
the curb returns alone. Is this really what most of you are doing, or is
there a simpler alternative?
it takes practice but it is a habit that i felt i had to break in order to take full advantage of the tools. it gets easier.
a way i got used to it is that if i felt the urge to use plines and fillet, i would turn the fillet trim off so that i could see where the PI was then use the layout tools to touch the PI.
The hardest part about making the switch is that you cannot eyeball PIs.
I would love to be able to convert a pline with curves into an alignment, but be able to specify that the curves are free entities (free curve fillets) instead of the default fixed three point curves.
I'm not sure I understand the reason your are filleting PLINES with NO TRIM
to get the curve PI, but would OSNAP to APPARENT INTERSECTION give you a PI
as well?
wrote in message
news:5485804@discussion.autodesk.com...
it takes practice but it is a habit that i felt i had to break in order to
take full advantage of the tools. it gets easier.
a way i got used to it is that if i felt the urge to use plines and fillet,
i would turn the fillet trim off so that i could see where the PI was then
use the layout tools to touch the PI.
The hardest part about making the switch is that you cannot eyeball PIs.
1) I am a visual person so I needed that visual stimuli to help me start visualizing PIs. For some reason, in vertical curves I always thought in terms of PVI to PVI, but for horizontal curves I had the mindset of tangent-fillet-tangent-fillet. Turning the trim off really helped me make the mental switch.
2) I am an AutoCAD moron and I have never made the use of the appt int osnap habit
I noticed something the other day. When converting a polyline to an alignment there is an option to add curves between tangents. I removed the curves from my polyline and converted it with this setting checked. The alignment that was created had the PI point grips. Now, this was in 06, does 07 have this?
One thing I try to appreciate with ACAD and users is there are often many
ways to "skin the cat" (horrible expression but.so be it..). I just wanted
to make sure you were aware of that option. Snap to Apparent Intersection
can be more trouble thans it's worth at times and perhaps the fillet with no
trim is a better way to go, so "Go Dana!"
wrote in message
news:5486688@discussion.autodesk.com...
yeah, but there are two problems here:
1) I am a visual person so I needed that visual stimuli to help me start
visualizing PIs. For some reason, in vertical curves I always thought in
terms of PVI to PVI, but for horizontal curves I had the mindset of
tangent-fillet-tangent-fillet. Turning the trim off really helped me make
the mental switch.
2) I am an AutoCAD moron and I have never made the use of the appt int osnap
habit
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