AutoCAD Civil 3D :: How To Create Offset To Tie To Surface

Aug 17, 2013

I'm creating a containment dike around and island.  I want the berm to tie down to the existing surface, then offset from that tie point 21' to the surface again.  I can do an offset from Baseline, or a tie to an elevation in a profile.  What I can't do is make the offset 21' from the tie location over an additional 21' to another tie point on a surface.

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AutoCAD Civil 3D :: Create Station-offset Label Style That Will Drop Trailing Zeros In Offset?

May 14, 2012

I am trying to create a station-offset label style that will drop the trailing zeros in the offset section - e.g. 15' instead of 15.00', but if the offset is not at a whole number, e.g. 15.01, etc.  it will display the entire offset.

I created two expressions:  IF(OFFSET-TRUNC(OFFSET)=0,.1/12,.00000001/12)

and this one:  IF(OFFSET-TRUNC(OFFSET)!=0,.1/12,.00000001/12)

I then created two offset components, one called truncated, and one called full, and assigned the heights to match the expressions. 

I have attached the file, the style is ACHD-Sta Off-Rt [copy]

C3D 2011, Win x64

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AutoCAD Civil 3D :: Link Offset To Surface?

Oct 10, 2012

When I use link offset to surface and attach on left side, still extend to right.  I am targeting a slope stake line polyline that exists on both sides of the roadway, works fine on right side. Documentation indicates that a negative offset value is needed to use to the left.  How do I use negative value and target a polyline?

model (1) is the result on the left

model (2) is the correct result on the right

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AutoCAD Civil 3D :: Offset A Surface Perpendicular To All Grades

Apr 7, 2010

Any way to raise/lower a surface, but is there a way to offset a surface basically 1m (to make it easy) perpendicular to all grades? Because when you raise/lower a surface, if you have a 3:1 slope, it will raise/lower it vertical 1m or so, but then the perpendicular distance between the 2 surfaces is less then 1m.

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AutoCAD Civil 3D :: Surface / Offset Profile Always At ZERO (0) LAYER

Apr 9, 2012

Every time I created surface profile, offset profile and sections it always at ZERO (0) LAYER. All label, grid, etc always at 0 layer. What is the correct way of doing it to assign at the proper layer?

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AutoCAD Civil 3D :: Create Cut Fill Surface From Existing Surface

Mar 1, 2013

Im currently using an addon for Civil 3D called Novapoint. It allows me to create 3D models of surfaces made out of 3d faces and easily models cut and fill 3d-models for me.

The only thing i need to create a cut and fill model is one or several ground surfaces (existing ground, earth layers, rock etc. whatever i need) and a closed polyline/3Dpolyline that represents the level I want my cut and/or fill model.

I enter the spcifications I want such as; earth cut angle, rock cut angle, fill angle, select which surfaces i want to include in the model calculation and select the polyline.Novapoint then calculates the cut/fill model from the surfaces to the polyline and models the different cut/fill angles and gives me the results in a 3d-face model and a specification of the volyme of rock cut, earth cut an fill.

1. Novapoint is quite unstable and crashes alot

2. You cant create profiles out of 3d faces

3. Novapoint does not automaticly combine the start surfaces with the modeled cut/fill surface

4. A large surface made out of 3d-faces demands alot of computer power 

So I want to how I do the same that Novapoint does for me in Civil 3D? (I have access to Civil 3D 2007-2013 depending on which one you're using)I know I can take the 3Dfaces i created in Novapoint and make a surface in Civil 3D with them but I want to exclude Novapoint completely.

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AutoCAD Civil 3D :: How To Create Two Offset Alignments

Aug 10, 2012

I'm trying to create two offset alignments (one on each side of my centerline alignment).  For some reason I can only create an offset alignment on the left side of my CL alignment, but not the right side. 

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AutoCAD Inventor :: Extrude Feature And Select Part Surface For New Sketch - Offset Surface?

Dec 9, 2011

I am a beginner when a extrude a feature and select a part surface for new sketch now i want is to offset that surface but i can,t there is + sign with mouse icon and something like fully constrained is written in down the window.

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AutoCAD Civil 3D :: Can't Offset Horizontal Alignment To Create Pline

Dec 19, 2012

This is with Civil 3D 2013.  I am able to create a pline by offsetting an alignment using any drawing on any other workstation in our office, but on my machine I get an error: "1 object(s) were filtered out." when I try to select the alignment.

This leads me to searching for some system variable or something that is different on my machine. 

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AutoCAD Civil 3D :: How To Create Median / Lane / Sidewalk Offset Target

Jul 21, 2013

How to create multiple offset target. It mean lane, median, sidewalk extra. I have attached exactly what i expect.

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AutoCAD Civil 3D :: Create Vertical Offset Layout Profiles Dynamically

Sep 14, 2012

I am creating construction plans sets that require 3 road profiles for the left edge, center and right edge.  I would like to dynamically link the center line profile with the edge profiles. 

I have created alignment offsets to obtain the existing surface at the offset location.  I would like the edge profiles to have a vertical offset from the center profile.  Also if I modify the center profile I want it to dynamically adjust the edge profiles.

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AutoCAD Civil 3D :: Offset Lisp Routine To Offset Selected Line?

Jun 7, 2013

I need an offset lisp routine to offset a selected line a set distance on each side of the selected line and change the layer of the offset lines to the current layer, and then keep prompting me to select the next line for offsetting until I'm finished.

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AutoCAD Civil 3D :: Create Surface On Something Other Than WCS

Aug 3, 2012

Can a surface be created from a UCS that is something other than the WCS? For example, can you create a surface for a vertical wall, or a battered almost vertical wall?

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AutoCAD Civil 3D :: Create Surface From 2D DGN?

Feb 3, 2010

I work in both Microstation(PowerCivil) and Autodesk(C3d 2010) platforms, unfortunately not very proficient in either. We use both due to project requirements. I have no say in the format what-so-ever. Now to the point.. I am working on a project thats survey is a 2d .dgn however I am to create a model from this information (which happens to be just text spot elevations no intelligence attached) and supply it in C3d..Is this Possible ?? Or would it be easier to just do it in PowerCivil (I have made surfaces with 2d objects before with) and convert to .dwg upon completion ????

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AutoCAD Civil 3D :: Create Tin Surface By Cropping

Jun 5, 2012

Any experience with the Tin Surface CreatebyCropping Function.

The specific stumbling block I have come across is the best way to deal with the database that is required to export the new cropped surface to as it has to be different from the current drawing. I don't actually need the cropped surface to be saved but need to be able to adjust elevations and extract the tin from it. The tin would then be used to generate a pregrade surface in the base drawing. Previously I had done this with non-destructive boundaries but I find the cropped surface to be more accurate. 

Civil 3D 2013 - Windows 7(64 bit)

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AutoCAD Civil 3D :: Grading Will Not Create Surface

Jul 19, 2013

I have two separate graded levees in my drawing. One has created a surface just fine, the other absolutely refuses to generate a surface. I've deleted the grading even the feature lines and re-did them. In my grading group I have automatic surface creation checked and the volume base surface checked. I show the surface in the prospector but there is nothing there. The one levee will show contour styles but this one ZIP!

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AutoCAD Civil 3D :: Create Surface From 3D Data?

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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AutoCAD Civil 3D :: Create Surface From GIS Data

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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AutoCAD Civil 3D :: How To Create Actual EG Surface

Jun 12, 2013

I am start  work in civil 3d 2009,  I have a project started in LDD2009 and am trying to migrate to civil 3d 2009. I have imported the points, tin, and contours but cannot figure how to create an actual EG surface. Can some on etell me how to create and actual EG surface using tthe tin and points.

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AutoCAD Civil 3D :: Grading To Create Dump Surface

Apr 24, 2012

I'm trying to replicate a dump surface from a cad file, but this one is rather different from what i'm used to (more simple and poligonal).

This one is curved and the  top of the platform has inclinations has the picture shows.

I'm having trouble on finding the best way to aproach this dump surface. I tried to start from point 2 with the curved feature line and grade back 2% till EG and then grade forward 10% till it reaches point 3 at elevation (900) , but when i grade forward the sides obviosly dont hit my EG.

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AutoCAD Civil 3D :: TIN Surface Won't Create Contour Lines?

Jul 8, 2013

I just upgraded to Civil3D 2014 and Windows 8. When I create a TIN surface using a DEM file no contour lines are displayed. Points are processed and triangles are created and can be displayed but no contour lines. Contour line layers are set to display in the style file.

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AutoCAD Civil 3D :: How To Create A No Work Zone On A Surface

Mar 6, 2012

I use RocTek for cut/fil calculations, but the program is old and basic, I'm trying to transition to Civil 3D 2012 right now. Typically I create "no work zones" around my building footprints, so that I can do a more detailed take-off in those areas for over-excavations and that sort of thing. Right now I'm using Civil 3D to create an existing surface, a proposed surface, and then a volume from between the two. I thought if I just traced my proposed contours over the existing within the building footprint that I would get what I was looking for. However, analysis of the cut/fill volume shows that there are still some changes being made around the edges of the building.

Is there a specific way to make a proposed surface, but leave parts of the existing surface untouched?

See attached photo. The upper middle portion of the screen is where the building is (forgot to turn on layer).

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AutoCAD Civil 3D :: Create Surface From Revit Model

Jun 14, 2013

I was wondering is it possible to create a surface from a Revit model ? There are retaining walls etc in the revit model !

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AutoCAD Civil 3D :: How To Create Surface Form Contour

Jul 28, 2011

I would like to create surface from contours and extract points (with value) from on it. I had contours in my drawing; each major and minor contours are single polyline with elevation (Z value).

If I create surface form CONTOUR, some polylines (major or minor) are not included in to surface. After the creation of surface, I tried to erase the existing contour lines (Polyline) from drawing but the surface will be disappearing.

If I create the surface from ''DRAWING OBJECTS'', I'm not able to select the polylines (attachment 01) .

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AutoCAD Civil 3D :: 2013 Surface Fails To Create?

Apr 19, 2012

Attached is a dwg file that refuses to complete the surface triangulation. Can some try this? The maximum triangle length is set to off. I'm out of guesses. If I move the furthest point around it will complete the surface but just not in it's current location. Point number 69

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AutoCAD Civil 3D :: Create Surface Commands Do Not Work

Oct 25, 2013

I recently upgraded to Civil 3D 2013 and now all of my "Create Surface" commands do not work. I get the message " _AeccCreateSurfaceGridFromDEM Unknown command "AECCCREATESURFACEGRIDFROMDEM".

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AutoCAD Civil 3D :: Create Surface And 2D Mapping From GIS Records?

Nov 13, 2013

If i have a GPS Survey which i can create a surface from and 2D mapping from GIS records, is there any way to turn the 2D mapping into 3D using the surface data?

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AutoCAD Civil 3D :: Create Surface Of Inverted Rock Face

Aug 3, 2012

Is it possible to model a surface in Civil 3D with an inverted rock face as in the cross section below? We will be scanning a large hill for quantitiy before and after they blast so will be using point clouds.

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AutoCAD Civil 3D :: Create A Separate Surface Inside Breakline?

Jul 2, 2012

I have created a breakline from a feature line which cuts the triangles of my surface. Is there any way to create a seperate surface from the triangles inside the breakline.

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AutoCAD Civil 3D :: Create A Subgrade Surface For Landfill Project

May 4, 2012

I need to create a subgrade surface for a landfill project.  I have already created profiles and sections on a 200x200 ft grid along a baseline alignment that follows the center of the proposed landfill.  In my profiles and section views I have drafted in my proposed subgrade elevations.

Is there any way to create a surface by selecting critical points along the profiles & sections?  I would prefer not to use a grading group b/c the site is in excess of 200 Acres, and the grading tools tend to crash Civil 3D 2009 on large sites.

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AutoCAD Civil 3D :: Export To LandXML From Create Surface Profile

May 8, 2012

We are using Civil 3d 2012 with Topcon Data Collectors.  Topcon will not read a profile created by using "create surface profile" command but it will read a profile using "Profile Creation Tools" command. We are not sure if this a civil 3D, Topcon or a LandXML issue? 

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