AutoCAD Civil 3D :: Can Create Contours From JPEG File

Dec 4, 2012

I've an old countour map (hard copy drawn ages ago) which now I want to digitize.

I've scanned this map (can be saved in JPEG, PDF etc format) however I don't know if there is an easy way to create contour lines from this JPEG image.

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AutoCAD Civil 3D :: Create Labels For Specific Contours

Jan 11, 2013

 I have a drawing with contours every 1m and according to the area that I have to display in my layouts I have to display contours either 2m, 5m or 10m.

How is possible to create labels for only this elevations and if it is possible, create several labels along one of these contour with specific interval.

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AutoCAD Civil 3D :: Create Surface From OG - Show Only Two Elevation Contours

Oct 1, 2013

I created a new surface, pasted my OG surface into it, set the build to exclude elevations less than and greater than but my surface still is showing every contour range. I want to only show contours at elevations of  371.5 and 370.5

Is it because it's a pasted surface?

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AutoCAD Civil 3D :: Contours (Lines / Arc) - How To Create Good Surface

Feb 14, 2013

So I received a whole bunch of contours from an architect.  They are lines and arc.  big sweeping arcs.  Whats the best and fastest way to create a good surface.  I can change them globally to a polyline but I need to add vertices like every 5 or 10 feet to get a good surface.  Can I select multiple feature lines (after converted) to add vertices?

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AutoCAD Civil 3D :: First Time User Creating Contours From An Existing Survey File

May 30, 2012

trying to create contours from an exiting survey file. I am new to Civil 3d 2012. What I need to accomplish is create a 3d topo from the points with contours and then create a 3d model of the area.

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AutoCAD Civil 3D :: Composite Surface Of Existing Surveyed Contours As TIN Pasted Into Existing Aerial Contours

Nov 15, 2012

Some background: We have a composite surface of existing surveyed contours as a TIN pasted into existing aerial contours that we received from a client.  We used polylines to generate our proposed contours, and then generated a proposed surface from that.  We've made a blank surface, pasted in the existing surface, and are trying to paste in our proposed surface...  only the existing contours outside of the proposed suface no longer line up correctly once we do.

We've tried applying the method laid out here: [URL] ........ (and the link referenced in the bottom) but are still having trouble getting the surface to work.  We've tried offsetting as little as 0.25' and as much as 5' with the feature line draped over the existing surface, but it seemed that the greater the offset, the greater the discrepancy.

Just to make sure we even tried that correctly - should the breaklines that we add be standard or non-destructive?  (I've tried it both ways with little success either way, so I don't know if it matters much in this instance, but perhaps for future reference it would work.)

I've attached a screen shot of our surfaces.  The pink and green lines are the proposed contours, the white dashed are the existing.  The outer red line is offset 0.25'.  As I've mentioned, we've tried offsetting various amounts with decreasing success.

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AutoCad :: Create Surface Not Using All Contours In A Drawing

Nov 17, 2011

I'm using AutoCAD Civil 3D 2012 and have a question about creating a surface. Firstly, I know how to create a surface and then add contours, how to add a boundary to the surface, and how to draw a polygon around contours and trim everything out and then create a surface of what's remaining but how can I create a surface from contours within a polygon I draw without trimming any contours out? That way I can have a smaller surface to work with but still have additional contours all around it.

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AutoCAD Civil 3D :: Surface Elevations - JPEG Image File

Apr 11, 2013

I am trying to edit the elevation of a JPEG image I have brought into my C3D 2010 file as an xref - I essentially want to 'drape' the image over the existing ground surface I have created to use for presentation purposes i.e. to show how our road layout is predominantly located along the ridge lines of the site.

Typically for other file types I would perform the following steps (using the classic toolbar): Grading > Edit Feature Line Elevations > Elevations from Surface > Select the existing ground surface > select object.

I don't seem to have the ability to select my jpeg xref using this approach... how else can I perform this task?

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AutoCAD 2010 :: Create Structure Contours From Drill Holes?

Dec 10, 2012

I'm trying to create structure contours from drill holes, where I do not have a significant number of drill holes for the area being modeled.  I've tried all of the contouring options, using strata polylines, and smoothing contours.  creating smoother, more realistic contours?

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Photoshop Elements :: Can Create 1 PDF File From Multiple JPEG Files

Oct 31, 2012

I am able to only scan and save one page at a time and need to create a single pdf file.

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AutoCAD Civil 3D :: Export XML Contours Not The Same?

Nov 27, 2012

i'm exporting a surface from 2013 to be used in 2010 for presentation. works great but the contour interval is not the same as the surface i'm exporting. working in 5/25 contours...xml import comes in with 2/10 contours. looked for a setting but can't seem to find.

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AutoCAD Civil 3D :: How To Smooth Contours

Oct 23, 2012

I'm drawing a topo and trying to figure out a way to manually smooth out my contours. I'm not talking about the little jagged edges that you can remove if you use the smooth surface option under surface properties but the big ugly looking jumps you see when contouring a relatively flat lot. In the ancient version of AutoCAD my company used the contours came in almost like splines and you could move the vertices around to make them look good. I know you can go in and delete some TIN lines and edit point elevations but that is very time consuming and I'm hoping there is a quicker way.

I know I can extract them into polylines but there are too many little segments to be useful. I've seen the SIMPLIFY SURFACE option and while that takes away some of the roughness it creates some as well. Is there some better option than extracting and then drawing a spline between the parts I want to smooth out? These contours don't need to be 100% accurate, I just need them to look simple, like if someone was drawing them by hand.

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AutoCAD Civil 3D :: Add Contours To Surface

Nov 20, 2013

I have added contours to my surface (the blue lines).  For some reason the surface generated contour (the orange line) is jumping across the contours I've added. 

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AutoCAD Civil 3D :: No Contours On TIN Surface?

Apr 25, 2012

My TIN surface either did not generate contours or did not display them on my drawing. I created and tried  surface styles of many contour intervals(from 0.5' and 4' to 2' and 10') without success. I made sure my contour layers on both the Style Dialog box Display Tab and Layer Properties Manager were turned on, still no success. 

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AutoCAD Civil 3D :: Breaklines And Contours

Nov 26, 2013

I'm having problems contouring in C3D 2014.

I'm using the command PL - polyline to create my break lines (Centerlines, top and bottom of curb)?.

 In this particular drawing the first point I click on is carrying the elevation throughout the entire length and yielding bad contours.

Essentially the bottom of curb on each side of the street should be the same elevation with a crown at the centerline.

Instead the elevations are about five feet different because the beginning point is around the corne at a point of tangency on a hill.

This has not happened in any other drawings and I've done them the same way.

I redid the breaklines with the 3DPOLY command and aside from a few minor edits the surface came out OK.

I've been reading about 3DPOLY command but have not found out too much about what the actual difference is between 3DPOLY and PL commands.

Seems like 3DPOLY is the way to go. 

I do not have too much experience with C3D 2014 and am making a huge jump from 2004 LDD. How to build 3D surfaces/contouring.

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AutoCAD Civil 3D :: How To Get Simple Contours At Once

Sep 9, 2012

When I generating contour(surface) using Civil 3D it gives very complicated contours.Some times those contours cuts each other and have very strange shape.

I used to use SURFER software to generate contours.It gives simple contours.But I like to use Civil 3D because.

I attached SURFER contours and Civil 3D contours. I also attached AutoCAD file those who using older versing of Civil 3D.

I know how to smooth contours in Civil 3D but it does not solve my problem. You may say "You should  use commands like swap edge,delete line .

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AutoCAD Civil 3D :: Computer Lag With AECC Contours

Mar 20, 2013

We have a total of three machine at our office that are running 64-bit Windows 7 with Civil 3D 2013. Two of the three machines have problems with drawings that include AECC_Contours. When you try and start a polyline or line the mouse will begin to jump and lag. As you move the cursor off of the AECC_Contours the mouse returns to normal operation. I have looked around throughout forms and have yet to find anything that relates to this. Also I have disable Aero within Windows, thinking that may have been the issue. All three machines are running the same version of Civil 3D with the latest service pack.

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AutoCAD Civil 3D :: Contours Disappear In 2010

Nov 8, 2013

While working in a drawing with civil 3D points and a surface created from those points, once in a while the contours will disappear. The contours disappear during any number of different commands, so it doesn't seem to be linked to a specific set of commands. If we save the drawing, close it, and then open it back up the contours are there with no problems. Is there a fix for it beyond closing and reopening the drawing. We are using Civil 3D 2010 in our office, and all of the current updates.

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AutoCAD Civil 3D :: Correcting Surfaces / Contours

Nov 6, 2012

Im working in Civil 09. I need to adjust the surface I created in order for the contours to be correct. Right now I'm interpolating point elevations to adjust the contours. I find myself adding lines and adding and deleting points. It's tedious. I tried changing the grid spacing to smaller one. It didn't seem to work.

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AutoCAD Civil 3D :: How To View Contours At Elevation 550

Dec 28, 2012

I have a surface with a bunch of contours. I want to view the contours at elevation 550. In Microstation there is a set display depth command. Is there a tool in autocad where I can view certain elevations.

I want to make layouts/viewports that are clipped to different elevations. For example I have a surface with 5' contours. I want to create multiple viewports on a sheet showing what each contour looks like at its elevation.

Civil 3D 2012 SP4.0 Windows 7 Enterprise 64-bit
C3D 2014 SP1
Dell M6600, Core i7 @ 2.3GHz, 16 GB ram
Dell T3500 workstation, too much ram to post

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AutoCAD Civil 3D :: Creating Points To Contours

Apr 1, 2013

I encountered a problem while creating contours from the points. what actually is the problem with the points or tell the steps once again that would be great. I'm attaching the points file.

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AutoCAD Civil 3D :: Labeling Contours In Every Drawing

Mar 15, 2013

I'm running 2012. Is it still true that I need to label my contours in every drawing? I have a drawing that contains my existing surface (about 90 Acres). I have labeled the contours in that drawing. I then have a output drawing that the existing contours are a data shortcut. The contour labels do not show up.

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AutoCAD Civil 3D :: Contours Running Through Breaklines

Sep 27, 2012

I am having an issue with my contours running through my breaklines (feature lines).  I have tried re-ordering the breakline, edits, etc and have also set my settings to allow crossings.

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AutoCAD Civil 3D :: Contours Disappear When Zooming Out

Mar 20, 2012

Whenever I zoom out in a drawing in Civil 3D with surface contours, some of the contours disappear. I imagine this is a result from a system variable setting but could not find it.

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AutoCAD Civil 3D :: Creating Surface From DGN Contours

Dec 10, 2013

This is the first time I have imported a .dgn file into Civil. The drawing contains contours lines with Z elevation data. When I create a surface using this geometry (polylines + some lines) the surface seems to be scaled in the Z axis by 12.

For example pline (from dgn) is at elevation 46' but the Civil3D surface is 552'

I assume this is a setting in the Surfaces dialog box, but I cannot find it.

Also the elevation field in Properties from the dgn contours is weird. For example, in one area the (pline) contours display -28', 26', -24', -22', -20', -18' in Properties but Civil3D interprets this as a downward slope - which is the actual field conditions. I don't understand the conversion going on here.

The geometry of the pline and contours generated from the surface seem to line up in a side or isometric view (see attachment).

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AutoCAD Civil 3D :: Labeling All Of Surface Contours At Once?

Nov 6, 2013

Often I've found myself dealing with some pretty complicated surfaces that have a lot of nooks and crannies, and many of the contour lines are only in a corner of the surface or are small and closed, and thus when I find myself wanting to have contour labels on all of the contours, there's not really one line I can draw using the "Create Multiple Labels at Interval" option to ensure that every contour is labeled. Thus I end up doing "Create Multiple At Interval" with a few different lines intersecting contours, but I often end up hitting some of the contours multiple times and I get a mess of labels.

I haven't been able to find a way to automatically just multiple labels on all of the contours at an interval in one fell swoop, so I started trying to program one...but then I got stuck with that, too.

Does any built-in method of doing what I want to do, or do I need to continue pursuing a programmatic solution?

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AutoCAD Civil 3D :: Contours From Existing Polylines

Jul 28, 2011

trying to create a model from existing polylines (at elevation).  I have created a surface, went to definiltion, drawing objects, but there is no "polyline" option there.  I must be missing something.  How can I create a c3d model from existing polylines?

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AutoCAD Civil 3D :: Ignore Contours Between Breaklines

Aug 27, 2012

The situation is like this:

I am having a survey plan both with points and contour lines. Points are comming from the main road and contour from the outside areas.

I want to be able to make the surface ignoring the contours between the breaklines of the road since any contour inside professional survey is giving me errors on profiles and everything.

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AutoCAD Civil 3D :: Stretching / Adjusting Contours

Oct 28, 2013

We are currently STILL in the transition from LDD to Civil 3D 2013.  Is there an easy way to stretch the contours within a surface without physically editing the surface.  Right Now,  I have a couple contours that have have spikes in them from lack of survey data.  The Problem is that if I don't change the contours, I have to show steep slopes between them which I would rather not do.

Do I have to keep editing the surface to try and resolve this problem or is there a way I can just stretch the contours?

Right now I resolved the problem by coping the surface, exploding it and putting the contours on a different layer so that I can stretch them as I see fit But this is not a time effective solution.

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AutoCAD Civil 3D :: Unable To See Contours / Rectangles

Mar 27, 2012

I create a surface. Then add a point file. The Surface boundary shows up but I see no contours or triangles. If I 3drotate and esc from that command I can then see triangles.

I need to show contours, or better yet colors, to provide a good visual of the existing ground.

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AutoCAD Civil 3D :: Surface Contours Do Not Print

Jul 24, 2007

I have a surface with 1' and 5' contours. In model space the surface behaves normally - I can select it, add labels, change the properties, etc.

But...I have several paperspace layouts and in some of them the surface is not 'selectable', it is visible but I cannot select the object (as though it didn't exist). It does not show up in the print preview or the actual plot either. (Oddly enough, the contour labels are selectable and do print out just fine...)

The paperspace layouts are pretty much identical (plan and profile sheets of a road). There are no layout overides of any sort as far as linetype, visibility, etc.

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