AutoCAD Civil 3D :: Surface From Corridor Loses Definition?

Oct 31, 2012

C3d 2011 updated to all service packs

39 meg overlot design file

I have had this issue at least 3 times and twice on the same drawing.  I create a surface from corridor and add several polylines and feature line as well as a boundary to the surface.  Randomly it will lose all definition (breaklines and boundary) and i will have to "select similar" (and hope I get everything) and add all of my definition back.

It seems to only occur on large files and when my frequency is tight on curve and vertical curves.

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AutoCAD Civil 3D :: Surface Corridor Is Not Triangulating Entire Corridor Boundary

Sep 14, 2012

I have created a surface from a corridor.  I set the boundary of the surface to the daylight of the corridor.  In some areas of the corridor the surface does not triangulate see attached.

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AutoCAD Civil 3D :: Corridor Surface Is Not Matching Corridor Top Links

Mar 21, 2013

My corridor surface is not matching my corridor top links.  see attachments.  this is affecting my volumes!

The section-plan(surface red).png is showing the section editor and the plan view.  the red highlighted line in section is the corridor surface and as you can see in plan view the surface is incorrect and wiggly.

The pdf is all my sections with the red linework being the corridor surface.

C3D ver 2012
Win 7, 64bit

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AutoCAD Civil 3D :: Corridor Surface Will Not Paste Into Empty Surface

Mar 26, 2012

all of a sudden whenever I run audit on my corridor file the surface definition becomes a snapshot. To add to the drama, the corridor surface will not paste into an empty surface. Why?

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AutoCAD Civil 3D :: Can't Use The Corridor Surface As DATUM Surface

Feb 7, 2013

My problem added with pic ... I want to make volume calculate for sample road project. When I try to  compute materials I cant use Corridor surface for DATUM... There is only target surface on option..

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AutoCAD Civil 3D :: Adding Corridor Surface To EG Surface

Mar 6, 2012

I am trying to visualize a road project. The problems is, whenever the corridor surface goes below the EG surface (when the road is in cut) the EG surface is the only visible surface.

I sort of need to subtract the corridor surface from the EG surface, or merge the both surfaces into one.

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AutoCAD Civil 3D :: Add Points Option Missing From Surface Definition

Feb 13, 2013

I have been trying to follow "Autodesk 3d Civil Help>Surfaces>Adding and Editing Surface Data" in order to construct a surface from a point cloud I have, in x,y,z format. I have been trying to creat a grid surface since my data is regular DTM data.

 My first issue is that a lot of the options are greyed out when creating the surface (for example I cannot change "Render Material Style". I can still create a surface though. The second, more important issue, is that I am then told to expand the surface definiton section on the Prospector tab and click on the points icon there. This icon is simply not there for me - I have a choice of Boundaries, DEM Files or Edits.

 I should point out that I am working in Autodesk Civil 3d 2006.

Is it some issue with the liscence/installation? Or am I missing something erally obvious that greys out some options and makes others dissapear completely!

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AutoCAD Civil 3D :: API / Delete All Breakline Sets Included In Definition Of Surface?

Oct 29, 2013

I want delete all breakline sets of one selected surface using API.

There is "SurfaceOperationAddBreakline" but I don´t find "SurfaceOperationDeleteSetBreakline" for example.

Is there other way to delete all breakline sets of one surface?

Later, I want to create one set breakline for each layer which has been selected by user.

I know that I can use qselect, but I want do this process automatically.
Autocad Civil 3D 2014 +SP1
Quad Core Intel i7 3770-cpu 3.40Ghz.
ssd samsung 840 pro 512gb+ssd samsung 840 pro 256 gb+1tb hdd
32gb RAM 1600 Mhz.
nVidia Quadro 2000.
Win 7 Pro 64bit

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AutoCAD Civil 3D :: Remove (delete) All Breakline Sets Included In Definition Of Surface

Oct 30, 2013

I would like remove(delete) all brealkine sets inluded in definition of surface.

Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;


However, I don´t understand how I can get type of Surface Operation..

This code line doesn´t work.

if (OperationColl[i].GetType().ToString()== "SurfaceOperationAddBreakline")

Autocad Civil 3D 2014 +SP1
Quad Core Intel i7 3770-cpu 3.40Ghz.
ssd samsung 840 pro 512gb+ssd samsung 840 pro 256 gb+1tb hdd
32gb RAM 1600 Mhz.
nVidia Quadro 2000.
Win 7 Pro 64bit

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AutoCAD Civil 3D :: Where Is Corridor Surface

Mar 21, 2012

When i try to create a material list, i don't see my corridor surface - just the EG surface appear in the list.

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AutoCAD Civil 3D :: Creating Surface From Corridor

Jul 11, 2013

I am trying to create a surface from a corridor.  I have a sub-assembly attached, which I believe is working correctly.  I managed to create the empty surface and when I try to add surface data nothing seems to happen.  I keep changing the specified code to Base which is my finished gravel structure and hit the + but again nothing seems to happen. 

Ultimately I am trying to determine a volume between my corridor and original topo.

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AutoCAD Civil 3D :: Surface Creation From Corridor

Aug 24, 2012

I am having some issues with my corridor. It is for a 1.5 mile two lane section of highway. When I created the corridor, I used 15 assemblies. Now, when I try to create a corridor surface, I have issues. The file crashes when I try to load the surface.

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AutoCAD Civil 3D :: Incomplete Corridor Surface

Mar 2, 2012

I have one corridor with several baselines. I have asked it to generate a corridor surface but it has left out several baselines from the surface. I have ruled out assemblies. I am not sure what is going on. I am also unable to get feature lines from this portion of corridor as well. The corridor builds just fine and I can see what the daylight lines are etc. What's going on. Yes I have audited the drawing.

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AutoCAD Civil 3D :: Corridor Surface Settings

Mar 29, 2012

After you go thru and setup all of the links and feature lines that you want to use to create a corridor surface, is there any way to save that particular setup to be used on other corridors?  That way you would not have to select all of them again and again, every time that you wanted to create, say a datum surface.

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AutoCAD Civil 3D :: Corridor Surface Boundary

May 22, 2012

When I create a corridor surface I usually create a suface boundary automatically by daylight.Half the time this works fine, half the time it doesn't work at all. If I view the corridor in 3d view it looks fine.

I tried to create a shrinkwrap polyline to use as a boundary but when I picked the corridor in the shrinkwrap command

it locked up my computer. These are just simple corridors with no intersections. Why the automatic boundary only works intermitently? Is there a better/easier way to create the surface boundary?

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AutoCAD Civil 3D :: Targeting A Corridor Surface

May 23, 2012

I created a surface corridor, called STAGE 1, that I would like to target with a second corridor, STAGE 2.  In a new file, I data referenced in STAGE 1 surface.  It is showing up as an option for me to use as a target in my STAGE 2 corridor properties. Once I look at my sections it shows there is nothing targeted on that side.

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AutoCAD Civil 3D :: Holes In Corridor Surface?

Jun 21, 2013

I've created a corridor with kerbline widths targeting featurelines.  I've created the corridor at 1m centres and have added a number of individual points to ensure it properly picks up all of the geometry of the target featurelines.  However, the surface that has been created has numerous holes in it along one side and I can't understand why. 

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AutoCAD Civil 3D :: Corridor Surface Won't Form Correctly

Jul 28, 2013

I have been banging my head against a wall for a while now trying to get this corridor surface to form properly. It wont seem to triangulate properly from where I have copied the intersection into the East-West corridor.

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AutoCAD Civil 3D :: Contours Disappear On Corridor Surface

May 14, 2013

I built a corridor, then corridor surface.  Then I changed the corridor onto a different profile.  I noticed that the contours at the end were going crazy: the new profile ended before the corridor and everything was going down to zero elevation.  So I went to edit my corridor region.  I enter the required station, and my contours disappear.

Observations so far:

If I set the end of the corridor region to 2+377.91 to  2+384.54 inclusive, the contours on the surface disappear.  The triangles and boundary still display, and the surface gives a Z reading when I hover the mouse over it.  If I set the region end to something above 2+384.54 or something below 2+377.91 the contours reappear.

My profile ends at 2+383.00, and I would like the corridor and the surface to end there too!

C3D 2013 SP1

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AutoCAD Civil 3D :: Round About Corridor Surface At Approach Leg

Sep 30, 2013

I have created a roundabout then design a profile for center alignment. now when i am applying the corridor to it there is a small triangular void leaving behind. i have set the targets perfectly.

see attached image.

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AutoCAD Civil 3D :: Corridor Grading - Slope To Surface

Dec 12, 2013

On my corridor I am using Link Slope to Surface, using a 3:1 slope. But it is giving me a 3:1 slope radial to the corridor - what I really need is a 3:1 slope between the contours themselves. On the inside of a tight curve, this makes a big difference. See the attached screenshot. Is there a workaround for this?

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AutoCAD Civil 3D :: Corridor / Intersection Surface / Modeling

Mar 13, 2012

I have 2 roads crossing, and I have created the 2 corridors, and an intersection object created.  I split the 2 corridor regions and put the intersection in, and then closed back in the regions to the start of the intersection object (region).  Now - how do I make that all one corridor object that reacts to either of my profiles, and is only one corridor surface? - the corridor surface ignores my region boundaries  Or at least 3 objects that interact with each other properly.  Image 1 highlights the start/end of the corridor regions, and image 2 shows how the surfaces look - why doesn't the corridor surface start and end where the regions do?

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AutoCAD Civil 3D :: Corridor / Surface Style To Display Slopes

Jun 6, 2013

I am looking for either a corridor style or surface style to display slopes while in plan view while working on a corridor. I know you can turn on slope arrows as a surface style, but I am actually looking for the grade to be displayed next to a slope arrow. Hopefully I am explaining it properly.

I just am looking for a better way to spot errors before putting surfaces into machine control without checking station by station in the section editor.

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AutoCAD Civil 3D :: Corridor Surface Not Using Correct Subassembly Point

Apr 29, 2013

I have created a new assembly that uses a HMA dike rather than your typical curb but my surface always begins at the top of the HMA pavement rather than the top of the curb subassembly. See Picture. Where's the setting to fix this (is it a daylight setting) or it is a bigger problem in that I didn't create the subassembly or assembly correct to begin with?

Win7 (x64), EVGA 790i, 8GB RAM, EVGA 8800GT, 250 GB iSSHDD, & RAID 0/1

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AutoCAD Civil 3D :: Corridor Surface Ignoring Vertical Link?

Nov 6, 2013

For some reason the surface created by my corridor is ignoring the vertical link on the edge of the subassembly.  How can I get it to include that?

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AutoCAD Civil 3D :: Corridor Region Partitioning Disrupting Surface

Jul 5, 2012

I've got a corridor which builds a surface which then is integrated into my overall surface.  Until today I have been using a basic assembly which has worked fine, however today I began splitting regions where we have varying sideslopes etc.  Once I re-associated the new regions with their corresponding assemblies, my entire surface went haywire, and now seems to be ignoring several other corridors / feature lines / other grading features I have.  

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AutoCAD Civil 3D :: Section View Properties - No Corridor Surface?

Apr 30, 2012

I changed my Corridor Prop : From "Specific Code" : Top to  Datum as shown below

and afterwards my section view Don't have the corridor in it !!

I tried to creat a new one but in the Section Creation tool i could not find surfaces :

Intel Core i5 M 520 @ 2.40GHz
8192MB RAM
NVIDIA GeForce GT 330M 512MB Dedicated

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AutoCAD Civil 3D :: Corridor Surface Doesn't Fully Update?

Feb 18, 2010

I have a corridor that uses the Urban Sidewalk subassembly along the streets. During my rough design phase I set the outside boulevard widths to 2.00, and create a corridor surface using the Top Links as breaklines. I then do my lot grading, using that surface as a surface pasted into my FG surface. All of my side yard swales go up to the edge of the corridor's boulevard, with the elevation set 0.20 below the corridor surface. Once all of the design is done, I go back to the corridor and change the boulevard width to 0, thus forcing those side yard swales to now go up to the back of walk.this creates a small depression where we place small drain inlets.

Herein lies my problem, when I change the boulevard width from 2 to 0, the corridor surface never changes to reflect the 0' width. It's as if the break lines that I told the surface to use from the Top links are holding fast. The ONLY way I have been able to get the surface modeled correctly is to completely delete the corridor surface and create a new one and recreate the boundary, which I then need to re-paste and move to the top of the Edits in my FG surface. Just deleting and readding the Top Links from the corridor surface definition does not solve this.

the corridor-created breaklines do not get revised when the corridor changes, and cannot be edited/deleted by the user. Perhaps I am doing, or not doing, something that is forcing these breaklines to persist..

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AutoCAD Civil 3D :: Cannot Get Corridor Surface Boundary From Daylight Points

Jun 22, 2012

Cannot get corridor surface boundary from daylight points. Is there another way so that I do not have to trace the outer limits?

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AutoCAD Civil 3D :: How To Generate A Corridor Top Surface Split By Material

Jun 6, 2013

I do a lot of visualization work I need a corridor top surface split by material FAST.  before I used Corridor Solids but I don't have the extension in 2013.  So I export to CivilView, so far so good, then attempt to roundtrip the mesh back in Civil3D and that is where things fall apart.

Export to DWG is not split by material

Export to 3DS results in a blank screen

Export to FBX comes in missing large chunks of mesh out of scale and in the wrong location

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AutoCAD Civil 3D :: Projecting Linework On Design Plan To Corridor / Surface?

May 13, 2013

My company had always used LDD until we were mandated to switch, our first project in Civil 3D is in the works.  So far we have gotten through the beginning stages (alignments, profile, corridor, assemblies) but we are having a major issue with where to go from there. Right now I am trying to complete the design line work on the plan (wheelchair ramps, driveways transitions and signage) As of now I cannot get anything to line up easily with the corridor.  I have been able to snap to the corridor so I can create a line at that exact spot to be correct, but then when I offset it will not change the elevation,  I tried doing feature line and projecting the feature lines to the surface and some of it works but it becomes very buggy. My transition lines don't transition and some other lines I would expect to be at the same elevation have major grade changes. How to create the luinework at the correct elevation and with correct transisions along your corridor and surface?

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