AutoCAD Civil 3D :: Maximum Number Of Points In A 2013 Surface - 1.5 Mill?

May 4, 2012

C3D 2013. 64 bit. Windows 7.

Question 1.In C3D 2013 is there a ceiling to the number of points allowable in a C3D surface? Is it 1.5 million?

Question 2. In C3D 2013, when creating a surface from Point Cloud data is there a maximum point count based on the answer to question 1 - or is a different point count limit applied?

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AutoCAD Civil 3D :: Reduced Maximum Length For Surface Triangles Causes Surface Holes

Oct 22, 2012

Has instances where you set your tolerance for the maximum triangle lenth to say 50m to reduce the amount of triangles along the edge that run at long distances. When I do this I end up with multiple surface holes and I'm not sure why as there are points in the area.

I thought well maybe it's because i should've reduced my max triangles first then added breaklines. Would this matter? I also thought I could add a line to the surface to fix the holes vs. deleting surface lines along the entire edge of a surface for many many miles.

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AutoCAD 2013 :: Limits In DWG File (Maximum Number Of Blocks / Layers)?

Dec 26, 2013

Are there any official document describe the limits in a DWG file? For example, the maximum number of blocks that can be added, the maximum number of layers, the maximum length of an object name, etc.?

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AutoCAD Civil 3D :: Adding Minimum And Maximum Points In Profile Labels

Aug 13, 2013

I'm looking for a way to add a marker with location & elevation data to the profile (not the bands).

Only mention i found in this forum was for civil2011 (i have 2013) and it is no longer available.

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AutoCAD Civil 3D :: Link Slope To Surface With Maximum Width

Nov 20, 2012

From the subject is there any way to apply Link slope to surface with maximum width 

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AutoCAD Civil 3D :: Large Surface - Converting Points To Cogo Points

Mar 5, 2013

I have a large surface (over 1.5 million points and 20 000hectares)

I need to get a point file .csv from the TIN to be able to use it in another program.

-so i've extracted the points from my surface, but they are Autocad points.

-next step is to convert them to civil 3d points.

-I can not select them all when converting them or my computer crashes.

-so i select about 25 000 at a time, the converting takes roughly 10 minutes.

and i have over 1.5 million points to do.

how can i speed this up.

will more ram useful?

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AutoCAD Civil 3D :: Creating Points At A Specific Number?

Apr 19, 2012

I am trying to set several hundred points along polyline verticies with the point number starting at 5000. There are no other points in my drawing, yet everytime I start the process, it begins at 1. I have set 5000 at my Next Point Number under Point Identity in the Create Points toolbar. I have also verified that the 'Save Command Settings" is set to yes under the 'Commands-Create Points'. We cannot get this to behave as desired.

This is a 2D polyline with no elevations.

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AutoCAD Civil 3D :: Increase Number Of Points In Point Cloud?

Feb 21, 2013

I have a point cloud with 161 million points in it. This is basically fine and works well but I need to create equally high resolution surfaces from certain regions of the point cloud. No matter what size I choose my export shape, it will only create a surface from a ridiculously small 750,000 odd points, a 'feature' which has been documented on these forums before. I have POINTCLOUDDENSITY set to 100. 

My question is, how can I build a surface from this high resolution point cloud data that has more than 750,000 odd points?

 I'm thinking about mosaic'ing - ie. making several smaller surfaces over the required area and pasting them together.

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AutoCAD Civil 3D :: Surface Statistics - Revision Number

Feb 13, 2013

What is the Revision Number field in Surface Statistics for and how/when is it populated?

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 Change Number Of Decimal Places Of Elevation Of Points

Mar 15, 2012

How to change the number of decimal places of the elevation of  points?

as the points are labeled with their elevations, I couldn’t find how the number of the decimal places of the elevation be chosen. In this case, I wanted to let the number of the decimal places to be zero.

How to set the number of the decimal places to be zero or 1, for example? how to sepcify it height (size)?

Screenshot below.

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AutoCAD Civil 3D :: Point Cloud DWG - Any Way To Increase Number Of Points Displayed

Mar 19, 2012

I have a point cloud dwg. Is there a way to increase the number of points displayed? The properties of the cloud say there is 14,000,000, but it only displays 34,000. Is there a way to increase the 34,000 number? See Image.

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AutoCAD Civil 3D :: Mill And Overlay Subassembly?

Mar 1, 2013

I have a project where I am removing existing asphalt pavement and overlaying new pavement.  I am changing the existing profile and cross-slope to tie-in to the existing profile and cross-slope. know of a mill and overlay subassembly that will allow you to tie the edge to a profile or feature line?

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AutoCAD Civil 3D :: Mill And Overlay Parameters

Dec 19, 2013

I am trying to overlay a large area,I have a design profile grade that I must use. I need the new edge of the overlay pavement to be 2" above the existing as long as the pavement cross slope is between 1% to 1.5% . If the slope goes above or below the min or max I need it to take the min or max. If I use the overlaymillandlevel2 I am unable to get it to use the overlay thickness since i am using a profile. 

civil 3d 2011 with all service packs, Window 7
Intel E5630 @ 2.53GHz  2.53GHz
8 Gig Ram

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AutoCad :: Maximum Number Of Layers

May 17, 2010

knows the maximum number of layers that we can have in a dxf (2000) file ?

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AutoCAD Civil 3D :: Creating A Surface From Points?

Jul 30, 2013

I have a grid survey of points and I've entered these points into Civil 3D.  Now what I want to do is use these points to create a surface so that I can create a slope analysis of the surveyed area.  My problem is that I can't get the points into a point group.  

I have a generic grid (15 x 15) of points set up and I've only used a portion of them (defined by the dimensions of the site).  So I want to create a surface that includes all of the points that aren't set at an elevation of 0.  

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AutoCAD Civil 3D :: Cannot Remove Points From Surface

Mar 29, 2013

I have an "existing" surface built. But there has been some construction since my company surveyed the site. So, my surveyor went out and got the new points in the area of the new construction. I am trying to remodel the "existing" surface without rebuilding the entire surface. I have removed the old (demoed) points from the point group used to define the surface. But, the points are not being removed from the surface.

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AutoCAD Civil 3D :: Extracting Points From A Surface

May 31, 2013

I built my surface by importing points directly, ie, not through the ribbon, so i have no points listed in prospector.  i have been editing the points (mostly deleting errant survey points) and would like to export the final data set.  The only step i found, was to show points in surface style, and then Extract Objects (of which i selected Points).

This seems to have no placed all the points into my DWG, but HOW do I export this files into a single text file??

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AutoCAD Civil 3D :: Surface On Nearly Aligned Points

Sep 12, 2013

I have alignement of wall or embankment. I have existing ground including this corridor river. I have also CSV file with points (x,y,z). On my sketch there is drawn. Points present FDL (flow defence level) maximum level of river in case of huge rain or other things. These are almost aligned. I need to transform it (project) into alignment. I have to create profile of EG, FDL (based on this point) and then create new profile of height of wall or bank. What is the best solution for projecting this points. I tried with grading (distance and grade0%) I tried then with offsetting this feature line based on points and used it as breaklines. Created surface had holes.Even real is worst because alignment is perpendicular in same places to river.

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AutoCAD Civil 3D :: Adding Points To A Surface?

Apr 24, 2013

I have created a surface with a point group.  I have a few points on the edge of my surface that need to be added to the surface.  I can add them to the point group, but when I updated my surface nothing happens.  The triangles don't extend to my newly added points and my profile of the area doesn't show a surface where these new points should be. the new points I want to add have the same properties as the other points in the point group, they are cogo points.  

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AutoCAD Civil 3D :: Survey Database - Imported Points Being Assigned Very High Point Number

Feb 12, 2013

When I import points from a survey database there is a very large new number being assigned to points that have overlap/numbering conflicts.

I had some survey from one source that was in the 1000 pt # range & additional survey that was in same numbering sequence.

When importing the points I chose "Resolve all" it is renumbering the Point number value to the 5xxxxxxxx range?

Is there some setting where I can change this to a lower # or how/why this is happening?

Next Point Number value @ Settings Tab>Point>Commands>CreatePoints>Point Identity>Next Point Number = 3.

I've attached a couple of captions illustrating the issue.

2012 Civil 3D SP 2.1

Win 7

C3D 2012 SP3 & C3D 2014 SP1
Win 7 Professional 64 Bit

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AutoCAD Civil 3D :: Surface Creating Points That Do Not Exist

Jan 10, 2014

I am building a surface and started looking at the triangles and found that some are going to non-existant points. I have unfrozen, checked, etc. all of my points to make sure they are not in the drawing. 

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AutoCAD Civil 3D :: Volume Surface Width Points

Apr 18, 2013

What I have is a tin volume surface. I am asked to label the points with the thickness of the volume surface.So where there was survey data on the top layer I need to have the width of the surface at those same points.

Any commands that can make this possible?

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AutoCAD Civil 3D :: Surface Not Extending To All Included Points

Jun 25, 2013

2013 version. Long story short, I am having problems with pressure networks in my drawing so to simplify things I want to just show the top of the current watermain in my profiles because we are not doing anything with the water main, though it needs to be shown in the profile. To do this I created some points where the watermain is and made their elevation 1.8m lover than the existing surface at those points (due to the 1.8m of cover the watermain has).

I then created a surface using those points and an outer boundary surrounding the points. For some reason the surface stops at one point and doesn't continue to the rest (about 5 more points). So when I create my profile the surface stops short. The points are included in the point group the surface uses, and the outer boundary doesn't cut them out either. Not sure why the surface isn't referencing those points.

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AutoCAD Civil 3D :: Creating Surface From Existing Points?

Jun 11, 2013

I have been given a survey on AutoCAD which was orginally 2D with the levels written in text next to it. I changed each point (690) to include the level in the Z-direction. I am trying to calculate volumes of topsoil removal and then cut anf fill volumes. 

So I opened up Civil3D in metric template and imported my drawing as I have not been given a ddata file with the co-ordinates. Unfortunately I am having trouble creating a surface between the existing points. 

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AutoCAD Civil 3D :: Compare Points Perpendicular To Surface

Feb 11, 2012

I am working on drawings where we create dtm's from surfaces, use the dtm for layout, shoot the asbuilt of the final surface, and then compare hundreds of shots to the surface to develop an as-build report.

I want to be able to select a mass of points, compare the perpindicular difference in elevation to the surface, and have an excel spread sheet generated from the results.

My coworkers are able to do this in Terramodel but I am on a mission to eliminate Terramodel from my day to day work.

Windows 7 x 64
Dell Precision M6600 Mobile Workstation
16 GB Ram
i7 @ 2.5 ghz
Civil 3D 2012 SP 1
Civil 3D 2011
Autodesk Inventor 2011
AutoCad Map 3D 2011

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AutoCAD Civil 3D :: Add Points To Surface Not In Point Group?

Mar 7, 2012

Is it possible to add points to a surface without adding them to a point group?  I've got a bunch of ponds I'm doing and it will save me some time if I could just select the points, and not have to put them in a point group then add the point group.

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AutoCAD Civil 3D :: Creating A Surface From Existing Points?

Jan 16, 2013

I am having some trouble creating a TIN from a point layer in Civil 3D 2011. Would the best course of action be to extract the points from the drawing and creating a surface from there, or is there a way to create the TIN around the existing points in Model space?

I'm much better versed in AutoCAD, but excited about furthering my understanding with Civil3D.

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AutoCAD 2010 :: Maximum Number Of Open Drawings

Sep 10, 2010

How can you limit the number of open drawings in a session of AutoCAD. Now I can open up 35 drawings in 1 session which will take up a huge amount of memory.

Is there a variable or something like this that I can limit this to 4 for example?

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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 :: On / Off Display Toggle For Surface Points And Triangles?

Dec 5, 2013

Since Action recorder does not work with the surface style display box, is there any way

to automate the toggle of points and triangles display ?

I dont see any command lines that can change the light bulb status?

using c3d 2012

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AutoCAD Civil 3D :: Creating A Surface By Manually Selecting Points

May 21, 2012

Is there a way to create a surface by manually selecting the points instead of creating a point group?  I survey stockpiles for a local construction company and calculate volumes for them. 

There may be 50 piles on one site and it would be a lot easier to create a surface by selecting the points manually instead of creating so many point groups.

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