AutoCAD Civil 3D :: Project Object To Surface / Volume Calcs
Jul 30, 2013
see attachment (object viewer capture). The top surface is my OG, the bottom surface is the bottom of excavation for a building. I want to project the perimeter of the building footprint up to the OG surface at a 1:5 slope. I remember in LDD the perimeter of a building, berm, dam, ditch...could be projected to the OG with specific slopes and then you could create a surface with the projected lines and do a volume calc. between the two. What is the procedure to do this in AutoCAD Civil 3D 2012?
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Oct 2, 2012
Is there a way to generate a volume report for a bounded volume surface?
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Jun 18, 2012
I'm working with TIN surfaces, doing cut/fill comparisons for a surface mine.
My volume surface statistics show a cut volume of 5167.22 cy and fill volume of 8456.18 cy.
The sample line group volume report show cumulative cut of 5527.67 cy and fill of 8465.56 cy.
What could be some causes of this disparity. All reference surfaces are built from points and use a non-destructive boundary.
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May 31, 2013
I've read a few threads on this way back but cannot locate them. I have two surfaces and create a volume surface and it reported the volume as 493 cy. I then ran some sample lines at 25 foot interval and the total volume is reported as 964 cy.
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Dec 10, 2012
My goal is coming up with the volume bounded by the design surface and the existing surface. I don't have the design surface modeled yet.
Do i need to create alignment offsets?. Alignment 1 profile view is also attached. Then Alignment2.
What about starting with alignment1 profile view? Since I have created a polyline as the design profile ?
how do I shrink labels? Where is it in the settings ; the Align folder had been check.
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Jun 3, 2013
I have a couple of questions regarding surface volumes/analysis in Civil 3D 2014. First, there used to be a way to determine the volume between two surfaces without creating a volume surface. The command is _AeccReportSurfaceVolume, but I can't find it on the ribbons in 2014 to save my life. Do I need to create a new button myself?
Second, and more important, dealing with the elevation analysis in 2014, and noticed that the colors reset anytime that the volume surface is rebuilt? It has always been annoying not to save a color scheme, but at least once you had set it up, the colors stayed as the surface changed. Is there a new setting that I am missing, or is this just a glitch with 2014?
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Jan 3, 2014
I have a large 200+ acre site that I have created a volume surface and analyzed it using the elevation banding with color to show different levels of cut and fill. The owner has broken this area into 10 different irregular zones. Is there a way to do the elevation banding of a volume surface and have it color the individual parcels. They don't all have to be at once. I can do each one at a time and PDF the drawing.
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Sep 25, 2012
I have run a volume between two surfaces, I need to further to break that new volume surface up to get volumes for each section. I know in microstation you can fence a volume surface and it will tell you the volume for that area. Is there a function in civil 3d that works like this. I know I can break it up manually and create new surfaces, I am looking for a time saving appoarch and trying to minimize file size.
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Apr 4, 2012
I can see the area of a TIN surface no worries (under Surface Properties/Statistics/Extended), but want I want to get is surface area of a TIN volume surface where no "extended" option seems to be available to view the area information with this type of surface.
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Sep 27, 2013
I'm getting a zero elevation for the surface I create when I compare surfaces to get volumes. What am I missing?
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Feb 10, 2012
I have a tin volume surface comprised of proposed and existing models for a large earthwork site. I would like a detailed cut fill diagram for presentation to project owner. The site involves cuts and fills up to 30' depths. I would like to be able to represent not only cuts and fills, but give a visual representation of the depth of cuts/fills (ie darker blues and reds in the deeper areas, lighter in the shallow areas). Is there a simple way to do this without setting up 100 different colors of blues and reds in the volume surface properties analysis tab? I have seen contractor software that performs this function rather easily.
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Oct 5, 2012
I'm have a tin volume surface with contours ranging between -0.240 and 0.000m.
I have a need to display this surface as followed:
-0.220 - 0.000m as -0.220.
-0.240 (-) -0.220 as it is.
I've tried using contour intervals but nothing seemed to happen.
AutoCad 2011 & Civil3D 2011. Product Version 3.
EliteBook 8560w
Intel i7 CPU 2820QM @ 2.3GHz
8 GB RAM
NVIDIA Quadro 1000M
Windows 7 Enterprise 32 Bit
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Nov 17, 2013
Civil 3D API has "TinSurfaceVertex" class and "GridSurfaceVertex" class.
I use those to get vertex:
foreach (GridSurfaceVertex vertice in GridSurface.Vertices) { Autodesk.AutoCAD.Geometry.Point3d punt = new Autodesk.AutoCAD.Geometry.Point3d(vertice.Location.X, vertice.Location.Y,
[Code]....
Autocad Civil 3D 2014 +SP1
Quad Core Intel i7 3770-cpu 3.40Ghz.
ssd samsung 840 pro 512gb+ssd samsung 840 pro 256 gb+1tb hdd
32gb RAM 1600 Mhz.
nVidia Quadro 2000.
Win 7 Pro 64bit
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Apr 22, 2012
1) when I try to find volume of a cube 1*1*1
c3d volume report is 0.03 c.meter why?
First I make surface1 and import the 4 point with elevation 0 sec. I make surface 2 and import 4 point with elevation 1 then itry to find volume of this cube and my result is 0.03 c.meter why this happen.
2) if this above method is wrong give me step by step guide of surface and volume.
3) how to find volume at particular level.?
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Sep 10, 2013
I am trying to determine the volume of material (cut/fill) for a roadway surface in C3D 2013 using the volume dashboard.
I have created a fictional surface, basic profile and assembly so I can compare my calcs with C3D. After creating my surfaces and running the dashboard calcs, the program calculated the correct cut/fill volume. However looking at the surface in iso, I saw that additional surfaces were produced around zero elevation - refer to attached snapshot
In my actual model, I am well above zero elevation but these additional surfaces could cause problems on other projects.
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Jun 12, 2013
I have a pumped storage project where I would like to know the water level if a volume of water is removed. Is there an easier way to do this? Currently I have my drawing set up with my base surface and various top water level surfaces. I have been creating volume surfaces for each TWL and populating a spreadhseet that indicates how volume and surface area differs with TWL. It would be incredibly handy to work this in reverse ie ask the volume surface to lose or gain a required volume of water and update the TWL accordingly.
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Nov 13, 2013
I attach picture 1 and 2.
I need to create surface like this picture 2. I need crate surface by joining 1, 2, 3 like as picture 2 section, but when i crating surface its joining as picture.
This problem have been found . I created a tofo of the rock which rock is bend lower picture 2 section to calculate the volume i need the surface create like this.
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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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Mar 7, 2012
I'm working in Civil3D 2011. How to export the data from the surface volume tables to excel, or any other format outside of Civil3D?
Or maybe a better question: how to create a stage storage table automatically within Civil3D? The elevations table gives volumes per elevation class, but I'm trying to get cumulative volume stored below various elevations in my reservoir.
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Apr 29, 2013
how to make a color rendering showing cut and fill on a volume surface. I keep reading bits and pieces of how to do it, but nothing explaining a step by step process. The terminology keeps referencing elevation ranges? I figured out how to create a volume surface, but now desire to print out a colored drawing showing the cut and fill areas.
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Jun 17, 2009
I need write Cut and Fill Labels on Volume surface in each 10x10 meters. Civil 3D can write Spot Levels on grid, but I need write Cut
and Fill values in grid area. Using Surface >Utilities>Bounded volumes I can get the values on selected closed polygon, but write to all is very long work. How to do write Cut and Fill labels on grid.
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Nov 11, 2013
We design a lot of Waste storage facilities, mainly above ground level. I need to generate stage storage volumes at one metre intervals. Is there a way to automate this?
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Jun 18, 2012
can i divide them in 3 different areas that when i add their individual volume would give the same total volume if you calculate the entire surface?
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Mar 2, 2012
I created surfaces in Civil 3d 2011 for existing and proposed and I did a surface volume between them. Is it possible to create a specific contour in the volume surface that represents the fill volume elevation (daylight line I think)? My proposed surface is a flood water elevation and I need to define the boundary at that elevation.
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May 25, 2013
I use Civil 3D 2011 and I am new to it. I have created a natural ground surface from survey points. Now i want to create a finished surface with a specific slope in a specific direction at a specific elevation and then to calculate cut and fill volume.
I can create a flat surface at a specific elevation. How to tilt this surface to a specific slope along a specific direction.
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Nov 11, 2013
At my job site, they is about 20meter height of uneven rock surface in the excavation pit.
To calculate the volume ,I need to include this uneven rock surface wall.
For doing so,The sharp edge will displays in the cross section.
Because the uneven surface, I cannot create the surface with normal step.The TIn line will joins horizontally,not in vertical direction as is intended.
AutoCAD Civil3D 2014
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RAM 8.00GB
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Nov 12, 2013
I am working on a large park project. I have a proposed and existing surface. I have created a volume surface to show elevation banding with cut and fill ranges. I need to create a drawing for someone who doesn't have civil 3d showing all the "cut" areas. They really want a boundary of hatch. What is the best way to do this after I change my analysis to -30 feet cut to 0 feet cut.
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Jan 9, 2013
I have a volume in my CAD file described by 3D Faces. Is there anyway to know what is the volume of this volume -that represents an open pit-?
Every time that I do a volume I do by the comparison of 2 surfaces but this is not the case now.
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Feb 22, 2012
I created an enclosed "object" adding break lines to two different surfaces.
The blue surface shown on the attached drawing is a set of break lines added to "Surface A" and then the red is the other set of break lines added to "Surface B". I have already generated the volume enclosed within the surfaces by doing a surface to surface volume calculation.
My Question:I want to combine the enclosed volume created by Surface A & Surface B into a 3D "Block" that give me the volume information.
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Apr 10, 2013
how I can add more volume to curved object surface? Say for example I have a plastic cup.You can think of this as cylinder object ,which was the shelled out using the shell tool and then had its base sealed.
Now at certain parts, I would like to increase the thickness and then blend it the rest of the surface(may be chamfer its edges) .
At certain parts on curved surface I would like to add an extra mm, I think if the surface was flat I would just sketch the shape, then extrude it by few mm and smooth the edges by doing a chamfer
But how can this be done on surface that is curved? Or multi curved for edges?
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Apr 25, 2013
Civil3d 2012 - is there a way to project standard autocad lines and curves to an existing surface to the lines and curves end up with the surface elevations? we are trying out that wants 3d lines exported in a dxf file. We have a surface and we have the lines...it's just that the linwork is all at 0 elevation.
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