AutoCAD Civil 3D :: Smooth Road Profiles Created From Lidar

Aug 14, 2012

We have lucky enough to obtain LIDAR for most of our small City as well as ground only points.  My problem is that profiles produced using it are rough and jagged (see attached).  I've tried contour smoothing to no avail as well as point removal.  Perhaps I haven't just tried enough options.

Should mention also I have breaklines along the CL alignment as well as Edge of Pavement.

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AutoCAD Civil 3D :: Intersection - One Or More Of Secondary Road Profiles Cannot Be Locked

Nov 20, 2013

When i create an intersection, I get error - " One or more of the secondary road profiles cannot be locked at this intersection . What do you want to do ". Both of alignments and profiles is a reference from a data shortcut .

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AutoCAD Civil 3D :: Can't Create Intersection - One Or More Of Secondary Road Profiles Cannot Be Locked

Oct 1, 2012

I have made 11 successful intersections in my subdivision, but there is one that just won't work!

When I get to the point where I want to set curb return parameters, the dialog box pops up but there is nothing listed under the quadrants.

If i go ahead and try to make the intersection anyway, I get this message:  "one or more of the secondary road profiles cannot be locked".

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AutoCAD Civil 3D :: Corridor Created Using A Primary Road Full Section As Assembly

Jan 31, 2013

I am using C3D 2013, I have a corridor created using a Primary Road Full Section as my assembly, I have all the slopes and ditching set, when I go to model the corridor the ditching is not showing correctly, only small sections of the ditching are showing when I know there should be more. I have the assembly setup to build the ditching when there is less than a meter fill, but will not work.

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AutoCAD Civil 3D :: Model Road / Ditch Along Road

Aug 21, 2013

I need to model road with same elevation. But also need to model ditch along road which has a slope of 0.2%. how can i make a ditch with slope.

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AutoCAD Civil 3D :: LiDAR Classification

Aug 17, 2010

I have several LAS files that I have brought into AutoCAD and created PCG point cloud files. You have the option to assign Civil3D properties so I assign the LAS classification properties but they don't apply to the file.

The classification style seems to work with the ISD file extension in Civil3D, but do the LAS classifications not work for the PCG format?? I can only view the PCG file by single color or by elevation range, not by classification.

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AutoCAD Civil 3D :: LAS LiDar Import Keep Getting Error?

Dec 20, 2013

In Civil 3D 2014 while import .las or .asc file using point cloud I keep getting an error in processing data message.

I have in the past brought in the data successfully (2012, though not often)?

Datum and projection are correct, the data goings in to ArcGIS(had GIS group five the file a try).

The error message in not any more specific than "there was an error processing data"

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AutoCAD Civil 3D :: LiDAR Generated Surfaces

Jan 14, 2011

I have recently upgraded to Civil 3D 2011 when we started receiving LiDAR data.  I have been playing around with the data a bit and have a few questions on how the data is dealt with.  It appears that when a point cloud is added to a surface, it is using the point cloud display somehow to generate the TIN.  I believe that the point cloud display is showing a percentage of points based on the maximum number of 1.5 million points.  On these particular datasets (citywide LiDAR coverage, about 2,600' x 2,600' panels), we may have 4-7 million points in each LAS file.  Is Civil 3D ignoring all points beyond 1.5 million in surface building operations?  Also, when adjusting the slider, is there any way to know which points will be displayed...or maybe the points are reduced randomly??

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AutoCAD Civil 3D :: Gaps Between LiDar Tiles

Nov 19, 2013

I'm working with an area around a couple miles of road running SW to NE. I have metric lidar tiles in GeoTiff format. The tiles are 1,500 meters on an edge. I'm working in US Survey feet.

I originally tried creating a Surface of all 9 tiles I needed and then cropped the resultant Surface. But that was too large for my computer to handle. So I created 9 drawing each with one tile Surface in it. Now I've created a Data shortcut Reference for them all in one drawing. I got all the Surfaces in but noticed that there were gaps between the borders.

I was wondering if it was a coordinate system conversion problem. But all the settings check out. Now I think that this may be an expected behavior. I measured the gaps between the Borders and found that they all ran very close to 6.56'. In metric that's almost exactly 2 meters. 2 m is the separation of points in the Lidar surface.

BTW I'm working this in 2014.

Civil 3D 2012 SP 3 / IDSP 2014
Dell Precision T7400, Xeon CPU 3.16 GHz
Win 7 Pro, 64-bit,12 GB RAM, Nvidia Quadro FX 4600

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AutoCAD Civil 3D :: Simple Lidar Surface Clipping

Apr 19, 2013

I've been downloading whole tiles from OSIP for lidar surfaces.  I've been using the grid files, and they work great.  But, I don't really need an entire tile while working in my drawing, and I'd like to clip just my area of interest out of the tile.  What is the fastest way to do this? These whole tiles are data hogs, and I fear they are slowing me down. 

I used to have a computer at my old job that wouldn't slow at all using this stuff, so I haven't had a reason to learn how to do this until now when i'm forced to work on a laptop. 

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AutoCAD Civil 3D :: Import LiDAR From GIS Shape Files

Jun 20, 2013

I wanted to import a shape file from GIS, but all contours elevations are 0. The attribute data on contours have ID elevation. How do I query those ID elevation to the contours?

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AutoCAD Civil 3D :: Slope Analysis Using LIDAR Topographic Base Information

May 10, 2012

Succesfully producing a slope analysis exhibit using LIDAR topographic base information with this version of Civil 3D? I have followed the instructions as best I can and have had no luck. I am using a trial version and this is a big factor in whether or not I will ultimately make the purchase.

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AutoCAD Civil 3D :: 2013 - Dynamic Surface Profiles Acting As Static Profiles

Nov 14, 2012

I am having some issues with surface profiles on a dreffed alignment no updating dynamically.

Currently it requires me to set them to static, then back to dynamic and they update.

I am well aware of the issue of dreffed surface profiles staying static. I am using the work around of dreffing in the surface and sampling in the drawing using the dreffed alignment.

Civil 3D 2014 (SP1)
Win 7 Pro x64
DELL Precision Workstation T3500
Intel Xeon 3.3GHz (w3680)
24Gb Ram
NVIDIA Quadro 2000 (1GB)

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AutoCAD Civil 3D :: Road Surface Becoming Flat?

Jan 30, 2013

running an assembly in to the road corridor and creating a surface. i have designed a network of Roads in CIVIL 3d in which whole network is surrounded by a Loop road. The loop road cross fall is unidirectional (2%) and 4.5 wide. I have used LaneOutsideSuperWithWidening subassembly to create  the assembly of the road. This doesnt contain any kerb or footpath but only road channel lines, The corridor run soomthly but after creating the of the loop road corridor the surface is becoming flat meaning there isn't any cross fall acoss the road but in the assembly crossfall is there. If i run the same assembly in another road alignment the suface is coming absolutely correct.

I also tried different road assemblies to run along the loop road but the result is same no cross fall across the road.

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AutoCAD Civil 3D :: Road Alignment Label

Feb 1, 2012

I am working on Street Improvement Plan using Civil 3D 2012. I have my centerline stationing set for major (100') and minor (50'). My street plan is kind of busy with a several call-out/label, leader etc. I want to set my my station for both major and minor with with decimal to read as 1+00 or 1+ 50 as opposed to 1+00.00... How to get rid of the decimal points.

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AutoCAD Civil 3D :: Road Design File

Nov 4, 2013

Road design civil 3d complete files (Plan, Profile with complete band, Assembly , corridor, sections etc .

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AutoCAD Civil 3D :: Road Network Surface

Nov 19, 2012

I have make a road network. Then i make a corridor surface using corridor extends as outside boundary. I also create a boundary in the interior side of the roads with interactively tool, and i use it as a hide boundary. The corridor surface look fine but when i am trying to make a finish Ground Surface pasting the corridor surface after Existing Ground surface then the hide boundary of corridor surface make holes in finish Ground surface.

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AutoCAD Civil 3D :: Multileader Road Runner

May 30, 2013

Is this a desired behavior on a multileader? URL....

Seems to do it for anything that is not left aligned. I think it was present in 2013 as well. I use multileaders for annotations a lot since it is easier to use them with the background masks and borders than mtexts.

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AutoCAD Civil 3D :: Creating P&P Sheets For Road

Dec 10, 2013

I am creating P&P sheets for my road.  I created view frames, and when I got to create sheets, I pick "all layouts in new drawing".  I go to open the new drawing up, but all that shows up/tranfers is the profile and alignment, nothing else comes over ( proposed linework, existing linework, etc.)??????

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AutoCAD Civil 3D :: Customizing Road Profile Output

Feb 27, 2013

I am new to Civil 3D and need to customise the look of road profiles so they look like they were produced from any of our other civil design software packages that we use (to maintain standards between offices etc).

The attached picture is what I need them to look like. I want to show both the natural ground (the dotted line) and the design road line (solid). Then I want to write on the profile the station, natural level and the design level.

I've got the Mastering Civil 3D book (and a few others) sitting on my desk.I worked out how to turn off the grid on the default profile althoguh that was about it.

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AutoCAD Civil 3D :: How To Break Surface In SAC Road Way Mode

Apr 24, 2013

is it possible to break surface in SAC road way mode?

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AutoCAD Civil 3D :: Drawing Road Cross Section?

Apr 30, 2011

I have cross section data of the existing ground in the form of offset elevation. Can i draw cross sections from the this data? I am using Autocad Civil 3D.

Formate of the data for one section is:

Station 12+000
offset               Elevation
-25                    350
-20                    347
-15                    348
-10                    346

[code]....

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AutoCAD Civil 3D :: Road Modeling - Grading / Corridors

Dec 2, 2013

I am preparing to model a road surface for a waterline project.  I would like to be able to generate sections at desired stations showing the sewer, storm drains and joint utility trench along with the proposed water line. My plan is to model the road surface using a surface created from gradings and then create the pipe networks and joint trench.

My question is whether gradings or corridors would be the way to proceed.  I have preliminary design data on the road surface which is sure to change. 

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AutoCAD Civil 3D :: Trimble Export Road Files Corrupted?

Apr 4, 2013

Trimble Access, Civil 3d  2012 export road problem

when I export a road file to my TS2 it becomes corrupted (file size 50% of what it should be.

4 months ago there was no problem. The weird thing a is that the other worstation in the office has this issue to.

Here's what I have done to troubleshoot: swapped out both data collectorsexported this rxl file to a virtual instrument on my desktoptalked to cansel and autodesk but the said they haven't seen this problem. I can rule out the following.
 
trimble/autodesk software, hardware ( to much a coincidence that both work stations have this problem)Data Collectors swapped out -  file size of the corrupted rxl were the same on the virtual deskto instrumentcorrupted dwg  - exported a road six months ago, now re-exported and the new file is corrupted.
 
Both machines are identical:

Pentium Zeon
16 gb RAM
Identical software installation

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AutoCAD Civil 3D :: Label Style - Design Road CL Profile

Apr 9, 2010

how to create a label style for design center of road (simple tangent) in profile that will work between multiple profile views. I've used the 'Create Multiple Views' profile view wizard. I use a horizontal dimension style label for CL road (looks just like an autocad linear dimension). I'd like the label work across separate views i.e. stop at view end, pick back up at view start.

The label I currently use is simply a line component from tangent start dimension to tangent end dimension and the text component is anchored to the line midpoint. Label looks as intended for normal use. For some reason the line drops as if looking for the actual pvi at the right side when i use multiple views.

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AutoCAD Civil 3D :: Adjusting Intersections Secondary Road Profile

Jul 9, 2013

I went forward designing intersection profiles with limited survey and simply made an educated guess for the secondary roads pgl tie in point. I have received updated survey and when I move the profile end point to meet existing grade it adds another pvi effectively holding the profile grade I set preliminarily. I'm keeping the lock point. Is there something with the return/ offset profiles preventing this edit? What is the proper work flow?

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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AutoCAD Civil 3D :: Storm Crossing On Road Profile View?

Apr 16, 2012

I have a storm crossing shown on a road profile, and the ellipse that represents the storm pipe is only showing part of the inner wall (I've attached an image). This pipe is skewed slightly, but the entire pipe crosses the road alignment, and this should not make any difference.

Also, is there any way, yet, (I'm using C3D 2011) to have the label show not only the pipe name, but also the invert where the pipe crosses the road alignment, and remain dynamic,? In other words, without having to edit the label text, and lose the dynamic capability. Land Desktop would do this, but it was not dynamic, of course.

Win 7 64BIT
C3D 2013

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AutoCAD Civil 3D :: What Software Can Make Road Marking And Signage

Oct 15, 2012

Who knows a software to make the Road Marking & Road Signage automatic?

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AutoCAD Civil 3D :: Road Intersection Label In Profile View

Apr 10, 2012

What can I do to show intersection information in a profile label?I mean, supose I have two roads (A and B)... what should I do to show in the road A vertical profile the name and the station of road B in the properly position of this A profile? URL....

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AutoCAD Civil 3D :: How To Bring In Finished Road Section On Longitudinal Profile

Sep 28, 2013

How to bring in the Finished Road Section on a longitudinal profile @ point on tie in. For example three road A, B and C are tieing in to Road X at different stations. I have profile of all the roads. and I want to change the profile of road X with reference to road A,B and C. for that I need reference road section of Road A,B and C on longitudinal profile of road X. How this can be achieved.

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AutoCAD Civil 3D :: Structure Label Reference Road Centerline Stationing?

Mar 13, 2013

I have a road with storm drain and sanitary sewer. There are three alignments, one for the road centerline, one for the sanitary sewer and one for the storm drain. I would like to label the structures with the stationing from the alignment it's on but I would also like the label to include the road centerline station perpendicular to the structure.

Something like this:

SS-MH #4

Sta. 10+00

=Road Sta. xx+xx

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