AutoCAD Civil 3D :: Creating Conditional Subassembly - Proposed Cross Section
Oct 1, 2013
I am at a crossroads with this corridor that I have to create in Civil 3D 2011, with a sub assembly that logically seems very simple...the conditions for daylight can be found in "Proposed Cross Section". In short I have 4 fill conditions and 2 cut conditions, based on height above original ground...(there are additional requirements for guardrails and retaining walls but at this point i will settle for my slope reaching original ground)
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Dec 15, 2010
Created intersection added that to existing corridor. Then went to cross section sheets and the cut , fill and strip show up but no subassembly surfaces show for the intersection .
See attached pdf
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Dec 8, 2012
After I create cross section sheets (Output---> generate cross section), the generated sections do not fit in the sheet exactly. In fact, the generated layouts do not cover the sections correctly, and some sections fall outside the created sheet.
It should be noted that I use the "ISO A1 Section 1 to 500" layout which is installed on the default pass of C3D (template folder), and the scale of "view section style" is set to 1/500. I tried the scale of the drawing (toolspace window---> setting tab---> rigth click on the name of drawing and click edit drawing setting) with 1/500, however the problem was not solved.
Another important issue is that the section views in the "Model space" are shown correctly, but my problem is in the layout space after generating cross sections.
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Jan 8, 2013
I have an alignment running counter clockwise at the perimeter of a septic bed. I’m trying to use a conditional subassembly for the grading.From 0’ to 5’ of fill, grade to existing @ 3:1.Greater than 5” of fill, add a wall (no more than 4’ high) and grade to existing @ 3:1.
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Apr 2, 2012
I am working on implementing Chad Studer's techniques from his presentation at Autodesk University for corridors with conditional subassemblies at the driveways. Basically I created a corridor with two driveways for a test run. When I select the corridor and look at the object viewer, there are several lines going to who knows where at both driveways. But a look at the properties of the finished grade surface generated doesn't show anything out of the ordinary. I had the conditional subassembly look for a polyline on layer "driveway." It appears that there may be a gap in the corridor at each end of the pollyline. I've attached the drawing file.
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Nov 9, 2012
how can one create the cut file conditional subassembly or the horizontal conditional subassembly using subassembly composer?
Civil 3D 2013
HP Pavilion dv6 cor i7
16GB RAM
windows 8
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Dec 26, 2012
I want to extend sampleline along matchline for creating cross section view.I used Modify-extend in hometab, but it doen't work.
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Mar 12, 2013
When creating cross section views ("Home>Section Views>Create Multiple Views"), my sections are being placed at the exact boundary of the viewport (viewport is per my template).
Surely there's a way to create a margin inside the viewport.
Here's a screen shot of what I'm seeing. Notice how the dotted "Plot Area Boundary line is going right thru the left axis labels and on top of the bottom axis blue line (which means the bottom axis labels will NOT be seen).
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Aug 19, 2009
C3D 2009 - We are grading on a hillside, and need to prioritize our conditional fill situations. First fill at 2:1, if not then build wall and daylight @ 2:1, if not then build full height wall. However the sections are showing all three options where they are applicable. I want it to only show the "best" or "first" solution.
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Jan 10, 2013
it is possible to define point/link codes using some conditional expressions. When I try to write in an expression under "Link Codes" I get an error. Is there a way to create conditional codes without the use of "decisions"?
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Mar 14, 2012
I am trying to get the existing and proposed grade from my surfaces to show up in the center bottom of my cross sections. I am working with the CL elevations band style and trying to set up so that major and minor increments are the surface elevations. Am I going about this wrong? I went in to the compose label tab and selected for the text to be section 1 elevation and section 2 elevation. When I am at the section view properties box / bands tab, all that shows up is my existing surface. I have created sample lines and a corridor. I have also created a surface from the corridor.
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May 13, 2013
I am using AutoCAD 2013
My solid model is imported from IGES file format. I'd like to make a plane at specified location (perpendicular from the surface), and I'd like to have a cross sectional geometry cut by that plane. (attached pic.)
1. How can I make a plane following perpendicular line from the surface?
2. How can I export the cross sectional geometry?
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Jul 17, 2013
Is it possible to add additional cross sections (sample lines added after views were created) to an existing Section View Group?
C3D 2012 SP3 & C3D 2014 SP1
Win 7 Professional 64 Bit
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Nov 8, 2013
The engineers at my company digitize proposed contours in a drawing and then they want me to create a surface out of the contours....the contours usually are 2 foot contours with areas that the software tends to translate based on the contours that I selected to create the surface.....I then usually need to create a profile, which does not look accurate compared to the contours, such as low spots etc...............
My question is since the engineers at my work do not how to use the software, and I am not an engineer, making the profile look a certain way sometimes needs to be tweeked by me.... How to alter the proposed surface?I am pretty sure that feature lines cannot cross contours that I have selected to create the surface?
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Jun 26, 2013
I have a existing surface. I want to create a proposal surface so I can know the volume between boths. This proposal surface is represent for a disposal area that can be filled up to a elevation. I have a bottom of P-surface as a feature line at EL 1608, and I want top of P-surface to EL 1613.
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Feb 21, 2013
I'm trying to create a proposed grade surface using the grading tools. I drew the outline boundaryof the proposed surface as a closed polyline then created a feature line from it and assigned different elevations to it. When I try to select the feature line in order to create the grading, I get "THIS FEATURE OVERLAPS ITSELF AND CANNOT BE GRADED". What could be a possible reason for this?
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Mar 23, 2012
I am creating section view with my road project. I successfully created center line alignment, surface, surface profile, sample line and section views on every station I needed on my design.
I want to see "subassembly" (travel lane, curb & gutter, sidewalk, 2:1 slope) on my section view. I can block, insert and copy it to my section my manually, but I know this not the right way to do.
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Mar 1, 2012
what is the main advantages and disadvantages of these two programs.
Because i actually want to focus of someone of these two programs
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Aug 13, 2013
Anyway, I'm trying to build a corridor that targets the existing surface with a linkslopetosurface sub. It works just like I want it to, but there are areas where I want to override the target and have it target an existing curb return alignment. Is there a better sub I should be using that will target one first and then a second if the first doesn't work right?
Also, with my corridor section editor, can I adjust the vertical scale to be exagerated? It's really tough to edit the 1:1 ver./hor. scale.
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May 12, 2012
if i have one feature line i want to project to all sections in a sample line group it would seem you should be able to pick the one line and assign in a label style and you would be done quick and easy. instead if you pick the multiple projection option you get this percentage distance box and it tend to grab stuff you don't want.
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Feb 15, 2013
I have a cross section view with a canal section and a flat water surface section.
Is there a way for C3D to calculate the 2D area of the canal section that is under the water elevation?
Civil3D 2014 SP1
Win 7 Professional - 64-bit
HP Z400
Xeon W3550 @ 3.07Ghz
24GB of RAM
Nvidia GeForce GTX 760
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Jan 21, 2011
I'm just starting to get involved with using SSA, and I'm wondering if it's possible to import sample lines/alignments (a la Hec-Ras). I see that there's an irregular channel editor, but no import options that I can see. I'll end up with about a dozen or so x-sections.
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Mar 5, 2012
I have a band label set up for my cross sections that will show existing grade and finish grade elevations at the 0' offset mark of each section.
However, the band does not show when I create my sections. The only way I can seem to get it to show is by right clicking a section, section view properties, bands tab, click 'import band set' at bottom of window, and select they style i want to use. But I have to do this for each section individually. That is a problem as I have over 200 sections for one piece of this project.
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Nov 14, 2013
I'm currently working on a cross section plan and was wondering if there was any way I can change the direction of the cross section view. I'm currently just using 2 sample lines, so just 2 views are needed. My problem is that it seems like one cross section...the view is facing upstream and the other sample line, the cross section view is facing downstream.
Is this normal? How come both cross sections don't face the same direction? So with one x section it's in a East-West direction but the other is a West to East direction.
HP Compaq 8100 Elite
Win 7 Pro SP1 - 64Bit
8GB RAM
i7 860 @ 2.80 GHZ
AutoCad Civil 3d 2012 SP1
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Feb 8, 2012
I am working with cross sections for the first time and have run into a few things I can't seem to figure out. In attachment XSEC CIVIL 3D.pdf you will see how the cross sections currently look in my drawing.
My questions:
1. I cant seem to edit the elevation labels on the right side of the section to match the left side. Where/how can I do this?
2. What is the red line? In some sections it exactly follows the assembly section, but in a few (like this one) it doesn't quite follow. Does this line show where manual editing was done?
3. Where the pavement ends, there is a vertical line which I only want to show on the two pavement layers, it shows all the way thru the assembly. This also happens at the centerline of the assembly and at the edge of shoulder. I figured out how to turn them all off, but I want the edge of pavement vertical lines there.
4. Although the assembly section comes in on color 161 which should plot black for my pen setting, it plots true color. I haven't been able to figure out how to switch this. The second attachment shows a section from a LDD project a few years back which is how I would like this section to plot.
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Jul 25, 2012
I'm new to cross section in C3D.I'd like to be able to see my existing e/p lines i toped in the cross sections.
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Jul 28, 2013
how to crate Cross section like that below. i can crate data band consten elevetion and offsets. Question is how to crate grid and data like that.
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Jan 13, 2013
I have my surface, aligment and sample lines created, but I cant get my sample lines profiles.
The grid apperas without data, it is like I have never selected a surface, but I did !
This is what I get , totally empty
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Dec 9, 2013
create a label style for cross sections that will label the travel way in the run:rise format and will label fore and back slopes in a percent format. I can figure out how to make them all one or the other, but am having trouble getting them to reflect correctly based on where they are attached.I am having trouble coming up with the actual expression or you can do it thru code set styles, but regardless of settings that I change nothing on the cross section view changes.
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Jun 26, 2013
How can I project a right of way line into a cross section.
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Mar 21, 2012
Attached is a pdf showing the issue I'm having with the way elevations labels appear on the outside edges of cross sections.
Issue #1:
I added the dimension to show that the bottom of the cross section is actually at 97.5 but is labeled as 98
Issue #2:
I would prefer the bottom of the cross section to be at an even elevation (98 not 97.5)
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