AutoCAD Civil 3D :: Data Referenced Surface
Dec 7, 2010
I have created a data shortcut to a surface using Civil3D 2011. When I create a reference to it in another drawing, it shows up in the Prospector but nothing shows up on the screen. I have played with the surface style and made sure all the layers were on and tried closing and reopening the drawing.
I have also tried to reference it into a brand new blank drawing and I even tried to reference a surface in a different file that I have referenced several times before (in 2010). Every time I get the same results. It seems like the surface is there, but I just can't see it.
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Oct 25, 2012
is it possible to get the alignment name which the corridor surface is built from when the surface is being data referenced. in other word no corridor as the middleman.
the way i see it is when corridor suface is referenced, it becomes a regular surface and loses some properties such as parent alignment.
i am still using COM. maybe .net can do it? either way works.
Civil 3D 2012
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Jul 10, 2012
I am working in Civil 3D 2010 and I created a surface a while back which 4 pipe networks have been referenced to and the surface has been data shortcut'd. I am now facing the issue that the surface needed to be renamed.
I looked in the Data Shortcuts folder and the name didn't change on the shortcut. All the pipe networks have errors now cause it is looking for a surface that technically no longer exists.
I tried deleting the Data Shortcut and creating a new one with the new name and resetting all the networks to the new surface but I am still gettting errors.
Is there a step that I am missing to get all this to link together properly with the new name?
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Mar 2, 2012
I have Civil3d2012 and have created a surface in one drawing and then referenced it to another. It appears to be working, but the contour labels will not work on the drawing where the surface is referenced. I have all the appropriate layers on.
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May 15, 2012
Not sure if this is something that has been going on a while, if it is a design flaw, or if it just a workflow thing that we should be more mindful of, but here goes:
1. I data reference an alignment into a drawing.
2. I later data reference in a profile that was created from and associated with that alignment.
In this scenario, Civil 3D creates a duplicate alignment for the profile i.e., the orginal alignment is in prospetor as 'Alignment A' and the profile being data referenced in creates a 'Alignemnt A (1)' duplicate and associates itself with it.
This also happens if I bring in a different profile created from the same alignment IF the alignment was already present as a data reference in the drawing.
This seems wrong. It doesn't do any of this if I data reference the profile in first...
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Oct 29, 2013
We have a HUGE number of data referenced surfaces and alignments that need to be moved to a different group of folders. Is there a simple way to do this without breaking the references (each surface/alignment) is referenced into multiple drawings.
The project was divided up into a bunch of little mini projects so now we have 500150_A, 500150_B etc (around 90 of them). Each one has a dwg file with a surface and at least one alignment and that drawing is data referenced to all the other sheets within that mini project. Each project has _Shortcuts, drawings etc.
The powers-that-be have decided to 1) change the project number (from 500150 to 500152) and 2) to bring all these mini projects together into ONE project.
We've confirmed that each surface/alignment has a unique name which means that there shouldn't be a conflict in that regard.
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Oct 2, 2013
We have drawing "A" that contains a surface (call the surface "SurfaceA").
We have another drawing "B", that contains an alignment and a reference to"SurfaceA"
The user created EG profiles in drawing "B", and has been working on this drawing periodically.
Today all of a sudden when he opens Drawing "B", the EG profiles are missing. When you look at "SurfaceA" in Drawing "B", there is no data. We synced, we made sure of the association of the drawings to the projects, etc. etc.
I verified the data shortcuts are OK, and verified that both drawings are in good shape (via Recover and Audit)
But wait.....here is the crazy part. If you shut down Drawing "B" and open it say a dozen times, once or twice in that stretch, "surfaceA" shows up and the EG profiles will appear OK too. It's feels very random.....
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Oct 6, 2013
Is there any way to determine the source drawing of a dref'ed object? I'm not seeing anything in COM or the .NET API's, hopefully I'm just not looking in the right place.
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Aug 24, 2010
I have a design file that has and alignment with 3 profiles (one surface profilke and two layout profiles)
All these are data referenced to the project. Then they are data referenced into a new file. I bring in one of the profiles that brings in the alignment. Lets call it "Main Street". Then I create another reference to another one fo the profiles and it brings in a copy of an alignment and calls it "Main Street (1)"
This is a pain because I cant get a profile view to show all the profiles because the profiles are associated with three different alignments "Main Street", "Main Street(1)", "Main Street(1)(1)"
This is only happening with one of the of the alignments. The other alignment has all its profiles listed under one alignment.
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Dec 21, 2010
When creating my plan set, I need to data reference pipe networks into other drawings than that in which they were designed to show crossings in profile views or to separate out profiles into managable drawings. When I do this, if I have swapped a type-13 inlet for a 10' type R inlet or something during design, the data referenced pipe network will replace the 10' type R with a default inlet. Also if I have swapped a proposed 30" pipe for an existing 30" that have different styles, the data referenced pipe network will revert back to the proposed 30" pipe. how to make a data referenced pipe network reflect what is currently in the design drawing?
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Jun 10, 2011
I do a lot of hydraulic modeling and create river bed surface datafrom surveyed points. I need to be able to transfer the surface data from Civil3D to GIS effectively. The issue is that GIS does not maintain the fidelity of my surface based on the breaklines I've drawn. It triangulates based on vertices and often triangulates through the feature lines. In LDD, I was able to do address this by adding vertices to my 3D polylines in a batch-type function. That is, I could select all of my 3D polylines and add vertices to them at the same time. In Civil3D, I have to add vertices to each feature line individually.
Any way to add vertices to feature lines, or to a surface, in a more efficient manner that maintains fidelity of surface data in the transfer from Civil3D to GIS?
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Oct 30, 2013
I am learning to use surfaces in drawing, My main aim is for volumisation tasks. I had been following a tutorial that relied on creting surfaces. i.e
1) from the home tab> Surfaces> Create Surface
2)Add data. From Modify Tab>Surface> Add Data> Point Files.
This worked for me to start with but after changing some settings (looking to display a missing toolbar, I clicked or unticked one or two boxes, Not sure where, I know silly!). The only options I have in the drop down from "add data" are: Boundaries and DEM files. All other options in the list are not clickable.
What setting I need to change or perhaps restore all settings to default. Any comments on volumisation (spoil heps, Data is x,y,Z from survey equipment.
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May 23, 2012
I have a surface made up of gradings and feature line that I had to come back to and edit. I picked the surface and selected go to source file and when I got there one of my infill's has gone missing and the surface has a big hole in it. The weirdness is the sheet file that refs it does not have the hole. What is that all about.
P.S. Editing a surface built up like a Rube Goldberg contraption is no fun at all. Glad my best practices are coming along since
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Oct 31, 2013
I am working in Civils 3D 2014 and I have a survey with points already on the correct elevation layer, I have tried creating a surface from this but it does not show up.
My process:
- I create a new drawing and insert a block (my topo survey) and click explode when I do this
- I create the surface by TIN and make sure I have the correct layer for the points that I am selecting
- Click ok
- Then go into that surface and turn on all layers and refresh - still nothing
- I also made sure that my surface style was 1m contours so I would definately see this.
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Dec 16, 2013
I have created a contour layer in MAP and need to bring the data into Civil (to create and EGL surface) which I usually I do via an alter properties query.
There is the Create Surface from GIS data in 2014 but this requires shp files so the two questions I have are:
Can the contour layer be output as shp files (and if so how)?
If yes, is this easier/more efficient than my current workflow?
(No connection with Autodesk other than using the products in the real world)
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Dec 16, 2013
I am using AC3D 2014. I have created a surface from downloaded DEM points, but, as expected, the contours are not as accurate as I would like. They vary from known elevations anywhere from a few inches to several feet.
I also have survey data from approximately 500 points which include Northings, Eastings and Elevations. Is there a way to add these points to my existing contour surface and incorporate these know NEZ points such that he contour surface is more accurate?
I have already converted my "known point" file to a .txt format with comma delimited information.
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Feb 11, 2013
I'm working on a topo survey and the contours are crossing each others (See attached pic) and what I did was edit the surface by adding points. I know that these points are fake, but how does this affect the terrain surface for design point of view? I did try swapping edge and deleting lines but makes it worse. Also as you can see in the pic, I don't see the added points like it did back C3D 2008.
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Feb 1, 2013
I have a 1 mile road topo coming up for design purposes. The curb is standard, but there is full curb & depressed curb. If you had your way from the CAD seat, what shots do you prefer?
Most accurate I've seen iis Centerline, Edge Pavement/Edge Concrete Gutter, Flowline Gutter, Face Curb, Back Curb. More fieldwork, but made a good product.
What I have seen is CL, EP, BC, then "let them just use a template" and several variations thereof.
I have never seen a good way to automatically offset from say BC only and handle depressed curb by field coding.
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Feb 21, 2013
I have a Surface that is data referenced into many different drawings. On one of the drawings, the reference will not show contours until I sync. It will show the boundary. Just one of them...but I can't use sheet set manager to publish drawings since I have to open it up and sync. Is there a setting we changed? The styles are all the same. The surface is on C-Surface, the boundary is on C-Surface, the Contours are on C-Surface-MJR, C-Surface-MNR.
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Apr 8, 2012
I have checked my data folder and I cannot find the file Surface-7.dwg used in a surfaces tutorial. It's a multi-view block. I checked my entire hard drive and it is not there. Can the files be downloaded? I can't seem to find where I can do this.
As a matter of fact, the location where the tutuorials say to look, Windows 7: C:ProgramDataAutodesk AutoCAD Civil 3D2012enuData, does not exist on this Windows 7 Home Premium computer I am using.
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Mar 27, 2012
I have a rather large project for a roadway reconstruction. Therefore, the existing utilities are in a separate drawing and the existing ground surface model is in a separate drawing. All the above surface items (curb and gutter, asphalt, concrete, signs, sidewalks, landscaping, etc..) are in the master drawing. I then xref'd in my utility drawing and though I would use data shortcuts for my existing ground surface drawing. I took the surveyed triangles (3d faces) from our raw survey drawing and copied them into my surface drawing, created a surface from the triangles, created a boundary and such. So far everything is good. I created the working folder for the data shortcuts for this project and saved the drawing and closed it. I went into my master drawing and clicked on "Create Reference". I did not promote. The reference came though and everything is fine. Now I want to add contour labels in my surface drawing which I did but they do not show up in my master drawing but the contours themselves do. Do I have to promote this drawing into my master drawing so I can create the contour labels in my master drawing? I guess that is fine but the issue is we have small areas of topo that will be added as needed down the road. If I promote the surface drawing into my master drawing then when I add topo to the surface drawing, it wont update in my master drawing.
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Jul 10, 2013
my colleague that is on holidays right now sent some civil 3d drawings that contain data references to another office and they are having broken reference issues with the surfaces. I opened the drawing in our office and the surfaces are there and showing the data ref symbols in prospector but when i look through the data shortcuts folder below in prospector the surfaces are not there.
how do i locate the .xml files or if they have been deleted how do these surfaces appear in my drawing.
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Apr 8, 2013
I created some about 20 cross sections for a creek we topo'd and then went to work making the topo itself look presentable. After I was all done with that I noticed my cross sections had lost the surface data and were now just an empty grid.
When I go to edit a cross section's properties in the elevation tab the "Automatic" choice has a minimum and maximum elevation of 0. When I use one of those existing sample lines to create a single cross section the same thing happens, it's not picking up data from the surface. However, when I made a new sample line along the existing alignment it picked up the elevations and created a cross section just fine.
Is there anything I can do besides recreating all the sample lines and cross sections? I'm looking for any other way because I have already labled and put in some extra work on the cross sections and I'm hoping to be able to just recreate what I already did and drop them so it will match the linework I already did.
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Aug 29, 2012
Is it possible to data shortcut a surface from c3d2013 into c3d2012?
I tryed it and it says that the surface is in the drawing but its not showing up.
I've tried changing the style and the layer but nothing works.
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Nov 7, 2012
When adding data to a surface, there is the option to add it as a "Non-destructive" breakline. [URL] .....
What is this good for? I created a surface, copied it, and created a volume surface between the two of them. As expected, the resultant volume was 0.
I then draw a 3d polyline and snapped to elevations on the surface. I then took that 3d polyline and moved it up 5'. I then added that breakline to the surface as a "Non-destructive" breakline and the resultant volume between the original surface and the one modified with the new breakline was still 0. Absolutely no change was made to the actual surface, it just added additional triangles.
I'm trying to find a reason it's even option and I'm coming up blank. There has to be SOME reason it's there.
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Dec 11, 2012
I have received some sedimentary data of a seabed. I also have other geological layers the sit beneath (all in XYZ format). I have created point clouds using this data and would like to create a surface in order to use the elevational banding to represent thickness. Here lies the problem.
When creating a surface from the point cloud (whole extent), C3D seems to fill in gaps in the data. Is there a way that C3D can create a true representation without all the lines joining parts up? I know that I can edit the surface by deleting lines but this is very time consuming and I'm wondering if there is an easier way to do this. This problem isn't exclusive to point clouds either, as it does the same when adding points to a new surface.
I have attached a couple of screenshots. The first shows a Point Cloud with colours showing the desired effect. Unfortunately C3D doesn't allow me to print this. The second image shows how the surface looks when created.
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Aug 28, 2013
I am working on roadway project where I am using Pipe Networks to layout the drainage infrastructure. I have set my working dwg up so that I am data referencing the existing surface and proposed alignment. I have set my pipe network up so that it is also referencing this surface and alignment. Everything was working fine. Labels were pulling the correct information from my surface elevations, and stations were being referenced as well, until I got a message that recommended that I recover my drawing.
I ran recover and my surface and alignment data shortcut disappeared. My pipe network now shows questions marks where there were once stationing and it appears that the surface and alignment have completely disassociated themselves from my drawing, however they appear in the prospector, but cannot be refreshed. Again the data shortcut symbol is no longer next to my surface and alignment, but there is a symbol telling me that those objects are being referenced by another object in my drawing (my pipe network). I have tried refreshing, resetting the working folder, all to no avail.
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Oct 10, 2013
What is causing my EG Data Reference Surface to disappear on screen and Profile goes to crap? I've noticed this twice on same project in separate drawings. If I go to Toolspace and synchronize then it appears back on screen.
First dwg: I created a Pump Station Site Plan and data referenced in my surface and pipe network. I save and close then reopen and EG is gone until I synchronize.
Second dwg: I created a Railroad Crossing Exhibit showing plan and profile. I data referenced in my surface and pipe network. Same thing...save, close, reopen and I have to synchronize it to have plan and profile to appear ok.
This isn't good when I have .dsd files that I typically plot my drawing package from. I sent multiple sets of drawings to the plotter and all my Pump Station Site Plans were missing the surface contours. For this sheet, I had to synchronize and send separate plots just to have contours appear.
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May 2, 2012
I have a existing ground surface drefed into a model and am trying to get a user defined contour at a set elevation but nothing appears. I have userdefined layer on in the surface style and other ideas why it will not appear?
[URL] ......
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Sep 23, 2013
I am going through our Civil 3D template and purging all layers we do not use. However, there are four assembly layers AutoCAD won't let me delete, but I cannot find any style or object referencing them. If it matters, the layers are C-ROAD-ASSM, C-ROAD-ASSM-BLIN, C-ROAD-ASSM-OFFS, and C-ROAD-SCTN-DIAG.
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Sep 27, 2012
I've lined up an image myself in Civil 3D over a topographical survey but now I want to export the image as a geo-referenced image so it can be brought into Mapinfo and Tuflow in the right place, coordinate-wise.
My question is - is it possible, and how do you do it!
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