AutoCad 3D :: Creating 3D Solids And Surfaces From Existing Objects

Jan 10, 2013

What method will you choose to create 3D solids and surfaces from existing objects in autocad?

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AutoCAD Civil 3D :: Creating Surfaces With Existing Drawing With Polylines

Apr 18, 2012

Trying to create a surface with an exisitng drawing with 3D polylines. Trying to change the suface style with no luck, the only style available is Standard?

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AutoCAD Civil 3D :: Automatically Creating Breakline From Existing Surfaces?

Nov 15, 2012

Our company, was contracted to create a DTM of a residential neighborhood using our Lieca HDS C10 Laser Scanner.  Utilizing the Leica software I was provided LandXML file that contained a 2ft by 2ft Mesh surface along with breaklines for the edge of roadway, driveways and sidewalks, which was imported into Civil 3D 2012.   

Our client now wishes for us to provide them with a breakline for the crown of the roadway.  My first thoughts on calculating such breakline was to set the Contours at an interval of 0.05' to identify the crown of the road, then drawn the break line along the crown based on contours. 

Is there a way to automatically create a Breakline from Exisitng Surfaces? 

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AutoCAD Civil 3D :: Creating Surfaces From Existing Contour Map For Volume Calculations

Aug 30, 2012

I am working on a project, I was given a file with the contour already mapped out. I am tasked with finding volume of a fill I had to create. I made a 3-D polyline at the elevation I want my fill to start from and going down to my final grade. How can I make surfaces with my map. I do not have any files to make the surface off of. What is the easiest way I can make a layer, TIN has already been done but no surfaces are in the file.

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AutoCAD 2010 :: Extract 2D From 3D With No Solids Or Surfaces?

Aug 14, 2012

I have this 3D refrigerator block from GE and I want to extract 2d front, plan, sides.  I tried flatshot and all the sol's solprof, soldraw, solview and I get a message saying there are no solids or surfaces to extract. 

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AutoCAD Civil 3D :: Creating Existing Pipe Network From Objects

Nov 3, 2013

I am working on creating an existing pipe network (stormwater) from objects, invert data, size, type and length given.  M

My question is how do I know where the start and end is and if I need to create more than one network for my project.  I have a current project location and I am assuming I am to create a network for the entire location?

I have attached a couple pics for you to see what I am working with at a couple different scales so you can get a good idae of my project.

C3D 2014 SP1
DELL Precision T3600
Intel Xeon E5-1650 @ 3.20GHz
NVIDIA QUADRO 4000 Dual Monitor
32 GB RAM / Win7 Pro 64-bit

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AutoCAD 2013 :: Lofting Creates Surfaces And Not Solids?

Jun 19, 2012

In previous autocad version that supported Lofting, i was always able to create a solid loft.

With 2013 the loft command seems to divide its abilities depending on what type of profiles are selected.

When selecting a closed polyline profile, loft produces a solid. Works fine.

When selecting a region or solid face loft produces only a surface.

The work i am trying to do at the moment involves irregular sections and/created from existing solids.

I could trace the profile and make a polyline, but each profile contains an ellipse, and you cant trace an ellipse.

Where i used to be able to select the ends of the existing solids and create a solid loft,

I now have to produce a section twice (gives you a region), loft the regions, convert the regions to surfaces (because the produced surface doesn't have and faces), union the surface and then convert to solids

Instead of 1 command there are now 6.

I tried turning of the assiciativity (surfaceassociativity 0) hoping that it had some sort of influence but to no avail.

There was no issue with 2010 and 2012 and i have just installed all 2013 products.

I have a lot of work to do and have to produce 3dsolids.

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AutoCad 3D :: Using Subtract Command On Solids And Surfaces In Modeling?

May 5, 2011

I have created the attached wheel drawing using the Revolve command.

You will see one cylinder solid thru the wheel on the attached drawing file.

I am trying to use the Subtract command to remove a hole space thru the wheel. Can't get that to work.

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AutoCAD Civil 3D :: Calculating Volume Using 2 Existing Surfaces?

Jun 9, 2013

I have create my surfaces and now need a volume between to two surfaces.  I created the surface by using the Surface/Create TIN Surface tool for both my OG and the surface after material has been imported.  I have gone to the volume dashboard and it will not let me add existing surface. How do I calculate the volume?

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AutoCAD Inventor :: Shrink Wrap Not Creating Solids

Jan 22, 2013

I am a tech illustrator taking our engineering models and creating dumb solids for architects to drop into CAD drawings. When I take an assembly and try to shrinkwrap it (with the Solid Bodies option) the file still has all the internal ribs and fillets and stand-outs. I have created extrudes to fill gaps and holes and even tried to create single pieces to assemble later to no avail.

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AutoCAD Architecture :: Creating Elevations / Sections From Curved Solids

Nov 27, 2013

I designed an upholstered furniture with curved surfaces. When I generate sections or elevation I'll see the invisible edges on curved surfaces! Is there a way to get the same result as the object viewer hidden line (or shaded with edges)?

2nd question. is there a way to control how many  steps the surfaces are tessellated? The outline is not very smooth!

Top View

Elevation (too many edges visible)

Result of the object viewer.

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AutoCAD 2013 :: Objects Are 3D Solids - With Clipped Images Positioned On Front Of Them

Nov 20, 2012

First one is a screengrab of the drawing I want to print

Second image is of the 'Print Preview' screen.

The printed A1 page reflects the 'Print Preview' image.Objects are 3D solids, with clipped images positioned on the front of them.It was quicker that way, rather than ripping my hair out after trying to tile in a program without any UVW modifiers.It's like the printed viewport reverts to parallel projection, while I want it to be in perspective projection instead.

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AutoCAD Civil 3D :: Creating Two Surfaces Do Not Interact

Jun 14, 2013

I'm trying to create a surface under my 'existing ground' surface. There is shallow rock where one of our projects is located and using geotechnical data I want to create a 'rock surface' at the known rock elevations. I just want this surface for visual reasons and do not want it to interact with the existing ground or pipe network.

I have 4 places along the roadway where I know the rock elevations. I created new points around each known point with the same elevation so there would be more than just four points on the surface and so I could make it the width of the road allowance. But when I look back to my profile of the road, it shows the existing profile drop to the rock surface at each place that I created points for the rock elevation. Not sure how to make it so the existing ground surface doesn't pick up the new points I added for the rock elevations.

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AutoCAD Inventor :: Creating A Solid From Different Surfaces

Sep 6, 2012

I'm having trouble creating a solid from different surfaces. 

I already tried the surface stick, but it seems that it is still not a solid. (How can I check this?) The part is still yellow. If I try to apply the sculpt feature it says: 

Modeling failure: A valid body cannot be constructed based on the selected inputs.

It 's a quiet complex shape. You find here: [URL].....

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AutoCAD Civil 3D :: Creating Inside Masks On Surfaces

Sep 19, 2013

I'm modeling a couple different alternatives, and I want to make an inside mask on EG where my FG surface will be.

Is my workflow the problem, or are surface masks just buggy? 

I've created three EG surfaces, EG-1, EG-2, and EG-3.  I pasted the dref'd EG into each one, so now I have three copies of EG, one for each design option.  Each surface is on its own layer.

I have three FG surfaces, one for each design, FG-1, FG-2, FG-3.  I want to use the outer border of each FG in turn to make an inside mask for its respective EG surface. I can make one, masking FG-1 out of EG-1.  When I move on and try to make the mask for FG-2 to mask EG-2, no mask is created. Is it not working because I pasted the same original EG into each of the three EG option surfaces? Do I need to promote the original dref'd EG and copy it two more times, so each mask is applied to a completely unique surface?

Win 7E 64-bit, Intel i7, 12 GB
C3D 2012

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AutoCAD Civil 3D :: Creating Thickness Contours (difference Between 2 Surfaces)

Mar 1, 2012

I have created 2 surfaces of a matierial that is buried, using drill hole data.  I have a surface for the top, and then a surface for the bottom of this material.  I then created a 3rd suface comparing these 2, creating an isopac contour showning the thickness of the material.  My question is there a way to make the zero (0) contour show up?  I have a .5 contour interval, but 0 doesn't generate.  Could i be missiing something in the settings? 

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AutoCad :: Creating Surfaces / Profiles / Horizontal And Vertical Alignments

Jul 26, 2012

My question is "Can I create surfaces, profiles, & alignments using AutoCad2012?"

I know if I had Civil3D2012 I could do it, but can it be done with the Regular version I should say.

At my previous job I was using Civil3D2010 (darn economy Government job did lay offs) and now I'm using CAD2012 with new employer and I'm realizing that there are a lot of functions/commands that I don't have.

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AutoCAD Civil 3D :: Creating Points Displaying Cut / Fill Depth Between Two Surfaces?

Oct 18, 2013

I created a volume surface between the as-built and design surfaces, now I would like to show the points that display the cut/fill depths between these two surfaces.  I tried modifying the surface property of that volume surface but doesn't seem to offer what I want. 

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AutoCAD 2010 :: Road Layout Consisting Of 3D Ploylines - Creating Surfaces

Jul 16, 2012

i have a road layout consisting of 3D ploylines. i want to create a surface over this layout.... i have tried but it will only seem to work on straight sections of road and not the intersections.. And i know it would be simple in civil 3d but i dont have access to that.

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AutoCAD 2013 :: Joining Surfaces Of Objects In Different Layers Without Forming Continuous Volume

Oct 9, 2013

I have two cubes in two different layers so that one is red and one is blue.  I want to attach these two cubes together at a surface, but keep that interface between them in the rendering (not just have them combine to form a continuous object with no interfaces).  

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Illustrator :: 3d Extruded Objects Have Open Spaces Or Voids On Some Of Surfaces

Mar 19, 2014

my 3d extruded objects have open spaces or voids on some of the surfaces

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AutoCad :: Renaming Existing Block Without Creating New One?

Apr 16, 2012

Is there anyway of re-naming an existing block without creating a new one? I made a rookie mistake of naming my blocks with names containing spaces i.e. 'block A' and 'block B' and have found that some routines like replace block won't work because of it.

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AutoCAD Inventor :: Creating New Drawing Sets From Existing Ones

Oct 24, 2011

What it is, my client has asked me create 4 different size transit frames all similar in design. Now I use the skeletal modelling technique to create all my models and this one is very easy to edit, all I have to do is change a couple of sketch dimensions and the transit frame assembly will update to suit any given size.

So, I have completed the drawings set for the first one (There is about 7 drawings in total, each containing about 5 sheets), and I would like to just copy the whole assembly and drawing set for the next frame, and I would just change the dims in the main sketch to suit the new size of transit frame that is required, BUT I dont want to alter the original frame.

Usually to do this, I would create a pack n go then open up that pack n go project in design assistant and change all the names of all the files, then place all these files into another project.

Now doing this is VERY time consuming, as if I am renaming all the files, then I am going through around 1000 files to do so!!!Even after I do all this I still run into some problems with assemblies looking for part files or idw's still picking up and showing the old project assemblies.

Is there an easier, more efficient way of doing this?Also, I would like to add that each of the 4 transit frames would have their own project BUT all 4 projects will be inside 1 parent folder within the vault. This is just the way that we structure or file system as each folder is for the entire job.

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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 :: Creating A Surface From Existing Contours

Sep 27, 2013

I have an existing surface and I need to creat a surface using contour lines of a at the high point on a spillway to the bottom of my pond to calculate volumes. How do I do this?

AutoCAD/Survey Tech
Merritt LS L.L.C..
743 Horizon Ct. Suite 100B
Grand Junction, CO 81506

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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 Civil 3D :: Creating Existing Profile From Survey Data

Nov 14, 2013

I am fairly new to the Civil side of AutoCAD, as I used to work primarily in Map.  I am working on a street rehab project in which I need to take survey points showing existing elevations (centerline, flowline, and top of curb) and show existing profiles in a profile view.  I have no problems setting up the profile view(s) or the centerline alignment, but I am having problems with creating the profiles themselves, and I have a two part question about them

Question 1: According to the user's guide, the correct way to set up an "existing" profile is by extracting it from a surface, but I don't have a surface to use.  In reading through the various profile types, the best way to set up what I want seems to be by using the profile layout tools, but the help says that a profile layout is supposed to be for a final "proposed" profile, not the existing.  Does this actually matter?  Will I be breaking Civil functionality by creating an existing profile using the profile layout tools?

Question 2: In reading through the profile layout tools, everything seems to be centered around PVI's.  Even using the "tangent tangent" method to add in points seems to only use the first and last point as controls, with everything in between treated as a PVI.  If you look at the documentation here, points one and four are treated as actual elevations, while curvature occurs at points 2 and 3.  In my case, since what I have is a series of actual points on a surface, each point should be an actual surface elevation with curvature occurring between points and not at them.  What method should I be using to input the points in the profile?

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AutoCAD 2010 :: Moving Existing Drawing Objects To Snap Grid?

Dec 22, 2012

I have a slightly unusual query that I can't seem to find a solution for elsewhere. I have an existing OS plan that is 'off grid', and would like to adjust the vertices at the ends of all the existing lines and polylines so that they all sit on a grid point. Is there a quick command or script that does this?

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AutoCAD .NET :: Make Inserted Objects Gripped To Positions Of Existing Entities

Apr 26, 2013

A Leader can be associative if it's drawn to a grip point . Is there a way to make inserted objects gripped to positions of existing entities?

If it's something to do with object overrule then it may be put in the too hard basket.

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AutoCAD Civil 3D :: Creating Profile Along Lowest Point In Existing Ditch

Aug 21, 2012

In highway construction, I usually check for lowest ditch elevation and see how the existing drainage flows. Typically one would create or specify in CL profile creation with a 15m offset right and left which would then generate existing CL and 15m offset profiles in profile view. However, the 15m offset profile might not represent the lowest point in the ditch as the lowest elevation offset distance varies along the highway.

My question: Is there a way in civil 3D profile creation where it can automatically trace the lowest elevation in the ditch and plot it in profile view? 

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AutoCAD Visual LISP / AutoLISP :: Move Existing Objects To Snap Grid?

Dec 22, 2012

I have a slightly unusual query that I can't seem to find a solution for elsewhere. I have an existing OS plan that is 'off grid', and would like to adjust the vertices at the ends of all the existing lines and polylines so that they all sit on a grid point, ie round all vertices to the nearest whole number. Is there a quick command or script that does this?

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