AutoCAD Civil 3D :: Extract Vertices From Crossing Polylines
Nov 7, 2012
I have a drawing with 3D polylines that will be used to build a surface but many of them cross each other.
I would like to extract the vertices of these polylines and use this information to build the surface but can't figure out an easy way to do this.
I have tried the Points at Vertices Automatic which is ok but as there are 300 or so 3D polylines this will get very tedious very quickly - is there a better/quicker way to do this?
IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
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Apr 9, 2013
The Straighten method seems to always default to the first vertex of the polylne, which is great if you want to start there but what if you wanted to delete the 10th to 15th vertex? Is this even possible using PEDIT Tools (it is very possible using the WEEDFEATURES method)
IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
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May 21, 2013
I know 2013 are more exposed and the .net can extract contours. However using 2012 at the moment. so my plan is using .net to add the user contours and then use com object to extract.
so far i can get the surface object and assign to two different surface variable one is .net and one is com. I am looking at the surface analysis object and can't figure out how to add contours at user elevation. it is also read only in the surface object. but i find this:
SetContourData
(analysisData()
which is obvious not read only. so any sample code of the procedure of assign user contours?
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Oct 14, 2012
I'm in search of a good lisp that will ss get all 3d polylines & break at the vertices.
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Oct 30, 2012
I have two polylines. Segments of one polyline are directly on top of segments of the other polyline. When I grab one of the polylines to stretch the vertices, it grabs the vertices of the polyline underneath.
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May 28, 2013
A quick lisp routine to extract the elevations of a selection set of 2d polylines? I have a massive "contour" file composed of 2d polylines with elevations. I need to find the min and max polyline elevation in selected areas. I can't figure out how to extract just the elevations of my selected polylines so I can quickly see the elevation values?
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Oct 25, 2011
I created walls for a structure by drawing a simple polylines and extruding it by the Z axis, so that i get a vertical plane. I created a number of such planes in the layer. I want to extract total area of this layer which has these polyline extrusions (planes). I know the command of add area, but it is a tedious process and does not work for curved planes. How do I extract the area for the entire layer in one go ?
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Dec 3, 2013
I have built a alingment, corridor, and surface of a driveway but I have a few holes in my surface. I tried to add lines to my TIN surface and some filled in properly but others would not and I had TIN lines that crossed (actually they are 4 different lines that meet at on point). Why does this happen and how can I fix it?
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Mar 12, 2012
I have two pipe networks and two profile views, one for storm and another for sanitary. I would like to show the crossing pipes on each of the profile views. When I select the profile view, add a pipe and change the style to crossing the style is change to crossing on the other profile view (ex. on sanitary profile view I set storm pipe 3 to crossing style, on the storm profile pipe 3 changes to crossing style and does not display). Isn't there a way to display the styles for pipes different in each profile view?
C3D 2011 (latest updates)
Win 7 Pro, 64-bit
16 GB RAM
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Sep 12, 2013
It can be done using the LaneFromTaperedMedian subassembly, and that there is a webcast explaining it. I have checked with Autodesk, and the webcast is no longer available. Any detailed instructions as to how to accomplish this. I'll attach an image of my median.
Win 7 64BIT
C3D 2013
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Sep 5, 2013
i've got proposed stormwater pipes crossing existing utility pipes. my proposed stormwater pipes run parallel to but offset from my road centerline alignment. i want to show the existing utility pipe as an oval where it crosses my stormwater pipe. i can get the utility to show up in the profile at the centerline alignment of my road but not at the actual point where the pipes cross. is there a way to show this?
Dell Studio XPS 9100
Intel Core i7 CPU 930 @ 2.8GHz
12GB Ram
64 bit
C3D 2012 SP3.0
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Mar 27, 2012
We are starting a new job, and looking how to setup our drawings. We have a long corridor that we are upgrading, and along this corridor, we have various water course passing through. We are replacing the existing culverts. They are large circular culverts. How do we show the culverts on our model? Do I create a short pipe network for each culvert crossing? And also, how do I daylight to the outside of the culvert as the corridor crosses over it?
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May 7, 2013
I created this label for my pipe crossing. I want to be able to start the vertical line at the invert, and be able to move the text up and down and have the line adjust.
Currently my dragged state has the arrow head size as 0 and visibility as false, since it starts the leader at the centerline of the pipe. But without using the leader, I cannot adjust the vertical line dynamically.
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May 30, 2013
Dealing with an old topo. Building a surface from a point group of points in the drawing, and 2D polyline being used as proximity breaklines.
Here is my list of events after I rebuild the surface:
So I went to use the 'Resolve Crossing breaklines' tool, and here's what that looked like:
So are there or aren't there?
When I use the 'Zoom to' feature, it takes me to the midpoint of a TIN line on a breakline, with no other objects around. Crossing window selection: only the surface and one polyline. I found one crossing breakline just by accident, not from either of these tools. After I fixed it it didn't change anything. I even deleted all the breaklines from the surface and added them again, closed drawing and reopened, no change.
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Nov 7, 2007
Problems with masked crossing pipe in the profile view? So basically I want to show a manhole with three pipes attached in the profile view and I use style override for pipes in a profile view to show crossing pipe, but crossing pipe gets masked with "Enable part masking" option in the Structure style. So I either can show crossing pipe and projected pipes drafted to center of the structure, or I can see only projected pipes drafted to the structure outer walls, but cannot see crossing pipe.
I would like to see projected (incoming) pipes drafted to the structure outer wall, and crossing pipes. Is that possible? See figure attached.
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Nov 6, 2013
how to do the concrete medians in civil 3d 2012 sp4?
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Jul 28, 2013
I have recently started working with civil3d 2012 & 2013 so go easy one me...
How can i check the elevations of 2 alignments that cross (junction)?
The localization team in Israel has added a utility that marks the junction on the profile view with a red flag and 2 marker lines, one for the existing ground and one for the elevation of the crossing alignments. The flag is not a civil3d entity, it's not dynamic and needs to be reset after each change.
Any better way of checking the elevations? (including adding a block or anything to the profile to show the other alignment name and elevation).
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Apr 16, 2012
I have a storm crossing shown on a road profile, and the ellipse that represents the storm pipe is only showing part of the inner wall (I've attached an image). This pipe is skewed slightly, but the entire pipe crosses the road alignment, and this should not make any difference.
Also, is there any way, yet, (I'm using C3D 2011) to have the label show not only the pipe name, but also the invert where the pipe crosses the road alignment, and remain dynamic,? In other words, without having to edit the label text, and lose the dynamic capability. Land Desktop would do this, but it was not dynamic, of course.
Win 7 64BIT
C3D 2013
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May 11, 2012
Is there a way to show a corridor assembly in a crossing profile in c3d 2012? I have a underground duct bank that I have modeled using a simple corridor. Now I want to have the duct bank assembly show up in another profile that crosses the ductbank corridror. I can't really create a surface fom the corridor since the duct bank a closed polygon. BTW, The subassembly for the duct bank was created from a polygon, if that is any useful info.
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Jun 16, 2012
I have problem with medians ( Both MedianRaisedWithCrown and MedianRaisedConstantSlope) when crossing center line ( i.e whole median has to cross the center line).
I have median that goes along the centerline and it has to move to left completely ( whole median is on left side of the centerline) to cater for left turn. I tried with MedianRaisedWithCrown and MedianRaisedConstantSlope but it did not workout for me.
I used alignment ( for cl ) and offset alignments for median edge and etw. I have problem when the median edge ( offset alignment ) cross the center line and continues. I can see etw and median feature line shifts.
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Aug 13, 2013
Is it possible to label a pipe crossing offset in section view dynamically? I see there are options to label start offset and end offset, but not at the actual crossing.
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Dec 6, 2013
I have a typical storm sewer pipe network in a drawing by itself with an alignment. I data referenced both of these into another drawing. I draw the pipe network in the profile view I created and the pipes that run with the road show up fine. Every once in awhile there is a lateral storm sewer pipe that runs across the road. When I draw these in the profile view they show up, but, only the pipes that are skewed to the alignment show up. If the pipe is perfectly perpendicular to the alignment it does not show up. I have two styles setup. One main one that shows the inner and outer pipe walls and another one for overrides for the crossing pipes and that stlye has crossing pipe walls turned on.
Why is it though only the skewed pipes show up as ellipses in my profile view but the perpendicular pipes do not?
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Mar 25, 2013
I added three feature lines to my surface as breaklines. But the triangles still cross them. Triangles shouldn't be crossing breaklines.
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Mar 23, 2011
I have a drawing with a couple of profiles and some pipe networks. One alignment is collinear with the pipe network and another crosses the networks. I want to show the pipe crossing as well as the longitudinal on it companion alignment. If I set the profile setting for the pipe display to show the pipes crossing I don't get the longitudinal and if I try to assign the different style to the crossing pipes the plan view disappears. So, how should I set my styles to get a crossing pipe and a longitudinal in the same file?
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Apr 24, 2012
I need to project a crossing pipe onto a road centerline. I have water running down one side of the road 7' off the centerline of the road and sewer running down the other 8' off the centerline. There is storm drain running perpendicular across the road.
The sewer and the water are projected onto the centerline of road profile. When I draw the crossing pipes in that profile view and change the override, because it does not cross the centerline, it disappears from the profile view. How can I accurately show the crossing at the proper invert of the respective crossing without drawing the ellipses manually?
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Oct 8, 2013
My colleague added parallel pipe networks and crossings to multiple SD profile views yesterday. Today, he came in, turned on AutoCAD, opened the drawing, and the parallel pipes and crossings were gone. The working folder had reset itself to nowhere so we reset the working folder and Data Shortcuts Folder, but that didn't bring them back. We can go into the profile view properties<pipe networks tab and turn the pipes and structures back on and override the styles, but that is basically redoing everything we did yesterday. Is there a way to avoid having to redo everything? Is there a way to avoid this from happening in the first place?
C3D 2013
Windows7 64 bit
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Jan 24, 2013
I'm looking for solution for this error: Mask '0' NOT added to corridor surface 'Corridor - (1) - (1)' as boundary due to crossing polygon.
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Jul 25, 2013
Noticed this in R2013? Not bothering to check with 2014 yet as I don't really use it.I have three vports. TL is Profile view, TR is SV and other is 3d.
There seems to be slight difference between the pipes in the profile/sections compared with the Structure pipe crossing.
All styles are set for External walls, when swapped to internal this is still incorrect. All pipes are same size & part and are Horizontal. Sections / alignment is taken along centre of pipework.
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Feb 28, 2012
I am trying to figure out how to had multiple vertices to a feature line. I'm thinking its right in front of me, but I'm just not seeing it. I have been adding vertices by "insert elevation point" manually and it is a really nice feature in that it picks up the elevation that is already attributed to the feature line, but it would be nice to speed up the process.
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Jul 29, 2011
how do I turn off the new "stretch" vertices?
I am finding that I click to select a line, and start typing commands, only to find out they aren't registering b/c I have selected that un-needed extra vertex in the middle of every pline segment.
I have checked the Options, and cannot find how to turn those off. They were not in 2008.
Civil 3D 2011
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Nov 5, 2013
I would like to get original vertices(vertex) from breakline.
With SurfaceBreakline.Vertices property I can get a ObjectId collection of them but generally will contain more vertex that original vertex because it depend of "weeding factor" values and "suplementing factor" values.
How can I get only original vertex from breakline?Perhaps, API should have other property to get only original vertex from breakline.
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