AutoCAD Civil 3D :: Field Data For Surface Creation
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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Apr 10, 2013
say you make some parcels in your project with custom data fields like: id_no, permit_no, acres_served etc. you attach an agency provided shape file via an fdo connection that has many fields of information like above.
when you right click on your parcel and do parcel properties you get a tab that lets you input the custom parcel data.
lets say you print an fdo map label showing, say, the id_no, provided in the shape file. Then in your custom parcel properties for id_no you type that in.
is there a way to make an expression to put in the other custom parcel properties that will read, say, the permit_no(id_no) from the fdo like and put that information in the custom parcel property field?
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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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Mar 26, 2013
I'm using Civil 2012 to create a surface for a landfill. I have UTM coordinates, and my elevations range from about 71m to 115m. When I create my surface using the points, I check the Surface Properties/Statistics, it appears the X,Y & Z coordinates have been scaled down by 3 decimal places. I'm using UTM coordinates to create the points.
Example:
Min elevation = 0.071m .... should be 71m
Min X = 481.510m etc. ... should be 481510.99 or something similar.
Units are set to meters.
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Aug 7, 2013
I attached 3 pictures describing my problem.
On the first one you can see the feature lines i'm about to grade. The closed line is a pond and the two lines on the right is a riverbed. The area between them is just land.
On the second picture you can see a part of the surface i need to get by grading. I need the pond, riverbed and land to be one surface.
On the third picture you can see what happens, when i try to grade the riverbed under the same grading group. The pond surface disappears while the grading stays.
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Mar 20, 2013
How can i create an Alignment from points (imported) easily without drawing a polyline point to point using a polyline to define a route?
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May 23, 2012
I have an alignment which is complete in all respects. Profile also has been finalized. now the the survey (joint cross section) has been carried out and the output is in the form of field books. we hav the data in formate like we hav km and than offset left and right and than elevation.
my question is that how to use this data in civil 3d for creating cross sections and computing earth fill quantities.
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Jun 15, 2012
I'm uploading the .dwg and .txt files. I'm trying to get volume calcs cut and fill between two surfaces and when I compare the data between AGTEK's Highway 3D there is different results. I looked into it to find these random line appearing in Autocad making what seems to be the problem. Where are these coming from and how do I fix? Also, if you could anwser how can I insert a sectional following the 12'-23' offsets and dropping 1.16' down and adding it to my design surface. I want to make a big box there added to design surface.
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Apr 12, 2012
I am just wondering whether FIELD category can access the OBJECT DATA Table ?
I want to use a block to display its OD table's attributes as Annotation text , so that the Text will update when the OD table change.
Or do I need use the Data connection for this purpose ?
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Jun 18, 2012
how I can go about automatic creation of figures and existing alignment (i.e. Centerline and edges) using csv/txt file data format. Currently I have to snap each line to create Centerline, edge, figures etc. a headache of work! I am using Autocad civil 3D 2012.
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Jun 1, 2010
I have been provided with Surveyed Utility Locates along an Existing Roadway. These are provided to show conflicts between the New Storm Sewer System and Existing Utilities such as Water, Sewer, Gas, Elec, etc. The survey however is incomplete as it was prepared a few years ago and the Storm Sewer has just been designed. Yes, I can create points and provide them to the County Surveying department. However, before this is done, I must provide an easily-understood format of the new survey locations to the County Project Management.
To provide a Point Table which references the Surveyed Points' location in reference to the roadway stationing (Alignment). I have attached what the point table is to look like.
I am unable to find the desired data reference in the currently provided data field selection. Am I just missing it or is this a "Wish List" item?
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Jan 31, 2013
AutoCAD Civil 3D 2009 w/Updates, Windows XP Pro, SP3
I am looking for a tool or routine to automatically add a unique object data ID number to Points or lines of a sewer system, that extract a prefix number from a seperate object data table (a location grid of closed polygons), then add a sequential number to each selected object. For example, 12 manhole points and 3 cleanouts are located with in one grid polygon. The Grid polygon has a coded id like 61280206, I want to be able to select all the MH and CO points in that grid polygon and have the new ID numbers be 6128020601, 6128020602, 6128020603, or to be able to specify the starting number like 6128020621,(for adding new points and continuing the sequence.
Better yet would be a routine that would be able to apply this system to all the points in the entire project area, extract the number from the appropriate grid polygon, and fill the numbers in one operation.
This is for the initial id numbering of a Cities, Sewer, water and electrical system.
I have searched for and found many LISP routines that do some of this (like ODCOUNT, etc), but none that I have seen have the data table extraction abilities. I do have one that works like this and files in the prefix number from a named views. I have several thousand grid cells (880ftx880ft). Perhaps there is a way to use my polygons w/table to create and name views
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Aug 23, 2013
I am trying to get my points to displey the " mark from our descriptions. The description keys are set to $* and I have tried changing the Label Style from full description to raw description. I cannot get any information after the " mark from our field data. LDD used to put it in, but civil 3D truncates the information. I know I can do a find and replace in the .csv file, but would rather not have to continually edit the .csv file. Where the setting in civil 3D is to allow this to happen? I have even messed with the Point File Formats to no avail.
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Oct 18, 2012
Using C3d 2013.
Where do I find the PI data of an alignment object to plug into a mtext Field?
Field Category and Field Name and any other steps to locating it would be useful.
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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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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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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
Civil 3D 2012 & 2013
HP Z210 Workstation
Intel Xeon CPU E31240 @ 3.30 Hz
12 GB Ram
64 Bit Win7 OS
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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)
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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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 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.
Windows 7 x 64
Nvidia GeForce GTS 450
8 GB Ram
Intel Core i5-2310 @ 2.90 GHz
v. F.107.0.0 AutoCAD Civil 3D 2012 SP1
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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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