AutoCAD Civil 3D :: Place Sample Lines Along A Very Sinuous Alignment

Jun 27, 2013

Im trying to place sample lines along a very sinuous alignment and about a third of the way down all of a sudden the little tracking marker jumps to what seems like thousands of kilometers away and starts tracking along some invisible alignment which does not exist?

I have tried everything I can think of from every type of sample line creation option to recreating the alignment and auditing the drawing. Nothing I do creates different results. Is this an alignment issue and being cause by all the tight bends?

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AutoCAD Civil 3D :: Export Alignment And Sample Lines

Feb 15, 2013

I have an alignment with sample lines, I need to export these to a new drawing. i tried export/import land xml, but it did not work.

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AutoCAD Civil 3D :: Sample Line On Alignment With Spiral

Aug 29, 2013

I draw an alignment for road. I turned off design criteria and i used data from manual for my country Slovenia. I need spiral in, curve and spiral out on alignment. Finally i got that alignment. Then i insert sample lines along the alignment. Then i saved autocad civil 3d file and shut  down the program. When i reopen file, i see that sample lines after the spiral in being erased. Sample lines stayed along first tangent, after that they were erased.

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AutoCAD Civil 3D :: Sample Lines

Jul 3, 2008

I'm trying to create sample lines at sta. 0+58, 1+08, 1+58, 2+08......................

My alignment begins at 0+00.

In the Create Sample Lines - By Station Range I set the From Alignment Start?end both to false and set the start and end stations as 0+58 and 20+58 respectively. The 0+58 sample line plots at 0+58 but the rest of the sample lines plot at even 50' stations (1+00, 1+50...).

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AutoCAD Civil 3D :: Widths Of New Sample Lines

Dec 22, 2013

how to create a new sample line group and a new sample lines within that slg: URL....I have checked what is the default sample lines width  (create sample lines command):

Autodesk.Civil.Settings.SettingsCmdCreateSampleLines SobreanchosSamples = default(Autodesk.Civil.Settings.SettingsCmdCreateSampleLines); SobreanchosSamples = civilDoc.Settings.GetSettings<Autodesk.Civil.Settings.SettingsCmdCreateSampleLines>(); Settings Cmd Create SampleLines SettingsCmdSwathWidths anchos = SobreanchosSamples.SwathWidths; double anchoIzquierda = Convert.ToDouble(anchos.LeftSwathWidth); double anchoDerecha = Convert.ToDouble(anchos.RightSwathWidth);

But how can I put these values (left width and right width) for a new sample line?Sample line class doesn't have "left width" or "right width" property ¿? Do I have to create a new vertex? However I think that I can´t add new vertex in vertex collection.

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AutoCAD Civil 3D :: Add Sample Lines To Specific Group

Apr 11, 2008

How or if you can add sample lines to a specified group? I created a group only to realize that there are some specific stations I need. I do not want to re-create the group and re-assign the materials nor reproduce my volume reports. I just want the section plotted on my sheets.

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AutoCAD Civil 3D :: Cross Section With Sample Lines

Jan 13, 2013

I have my surface, aligment and sample lines created, but I cant get my sample lines profiles. 

The grid apperas without data, it is like I have never selected a surface, but I did ! 

This is what I get , totally empty

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AutoCAD Civil 3D :: Why The Sample Lines Don’t Appear On Prospector

Oct 18, 2012

Why the sample lines don’t appear on the prospector?

I’m wondering why the sample lines don’t appear on the prospector like other components such that we can have an access to delete them, for example.

How can I get a list for all the sample lines?

Software: AutoCAD 2014, AutoCAD C3D, AutoCAD M3D, Revit
Windows 7 (Ultimate 64 bits),
Firefox 20.0,
Kaspersky 2013.

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AutoCAD Civil 3D :: Creating Sample Lines At Vertical Curves

Sep 9, 2013

Can we automatically add sample lines at vertical curve points (e.g. BC, EC, Bottom of curve) ?I need to show the sections at these vertical curve key points.

I am using C3D 2011 but could not find that option when creating sample lines in a station range.

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AutoCAD Civil 3D :: Create Points At Surface Vertices Along Sample Lines

Jan 9, 2013

I need to create points with surface elevations along sample lines. The points need to represent the verticies one would see in the section editor. I've attached an image of my section editor for one of my sample lines. I need to create points that represent these 24 verticies along this sample line and do so for the rest of my sample lines as well. Is there an automated process to create these points?

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AutoCAD Civil 3D :: Interpolating Points From A Surface Based On The Sample Lines

Jul 21, 2013

I wanna interpolate points from surface but only in that area where my sample lines intersecting with the surface. There is a point creation tool that makes this based on polylines but I have to many data and it will get to much time to do this. So, for better understanding I attached some pictures, in the first picture it is shown the final result which I have made based on polylines, but here is also a problem, the tool is not putting points where the surface is changing ( on my second picture I highlighted with red circles). 

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AutoCAD Civil 3D :: Sample Lines / Section Views - Unable To Change From Layer 0

Jul 15, 2012

I created sample lines and section views for my road projects. I set all line works to appropriate layers except for "Segment and Points". Cannot change from layer "0".

I right click the existing grade on my section views, click "edit section style", click "display", then change the layer of Segments and points and click "OK", "apply".

Go back to my drawing, verify the layer but  still layer "0". I tried so many times, read the manual, call friends but no luck. I am tempted to "explode" my drawing.

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AutoCAD Civil 3D :: Show Locations Of Cross Section Sample Lines On Profile View

May 15, 2013

recommend a good way to indicate the location of cross section sample lines in a profile view (of same alignment) as vertical lines? the sample lines have been created at user defined locations from polylines, and do not follow a particular station order. my first thought was to use transparent command to draw line in profile view using station from plan view, but i have in excess of 100 cross sections, and that may be time consuming.

Civil 3D 2013 SP1, Win 7-64 bit
12GB RAM

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AutoCAD Civil 3D :: Overlapping Section Lines In Corridor Because Of PI In Alignment

Nov 13, 2013

Because there is a PI in my alignment, the section lines in my corridor are overlapping creating problems with the surface.  Is there anything that I can do in this situation? 

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Lightroom :: Can't Manually Move To Sample From Another Place

Jan 2, 2014

My spot removal tool in Lightroom 5 does not appear to be working correctly. When using the tool, it does not show the second circle indicating where it is sampling from and, therefore, I cannot manually move to sample from another place. Do I need to reset something?

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AutoCAD Civil 3D :: Changing Alignment Direction Where Feature Line And Alignment Coincide?

May 28, 2012

i've made a serpantine curve that starts from one line of alignment and end on the other line.

i wanted to know how can c change alignment direction when these two feature line and alignment meet each other in order to change the alignment path?

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AutoCAD Civil 3D :: Data Reference Alignment Stationing Differs From Original Alignment

May 3, 2012

I using a data reference/shortcut to properly label an alignment in paperspace. However when I reference the alignment in and apply the labels the aren't the same as the original alignment that I am referencing. Is there a setting where I am supposed to apply a new beginning station.

Also it seems as though the stationing(distance) isn't even matching up 1:1 with the original drawing. For example in the original base drawing my alignment starts at 10+00 with the next PI at 14+76.98, but the stationing on the reference alignment starts at 0+83.33 with the very same PI being labeled as 1+23.08. So the very same distance is 476.98' in the real design and the drawing it's being referenced in, but the stationing of the referenced alignment shows it as 39.75 Units.

I've attached a screen of the beginning of the alignment.

Civil 3D 2012
Windows 7 Service Pack 1
Intel Core i7-2600 CPU
16GB RAM

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AutoCAD Civil 3D :: Change Alignment Label Style Set After Alignment Has Been Created?

Jul 18, 2013

Using Civil 3d2012, Is it possible to change the alignment label style set after the alignment has been created?  For example, for an alignment that was created with alignment label set X - change the label set to alignment label set Y?  It seems like this should be pretty easy, I must be missing something obvious. 

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AutoCAD Civil 3D :: Alignment Style Vs Alignment Labels - PI Treated Differently?

Apr 6, 2013

I have a question on Alignment PI's. (Point of Inflection/Intersection)I have an alignment where some PI's have curves, others are merely hard bends.

Is there a way to automatically label the PI's even if they have an associated curve? (I'd like PI, PC and PT)Alternatively, can I only show markers at PI's without curves?

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AutoCAD Civil 3D :: Alignment Entities Not Showing Up In Alignment Grid View

May 20, 2013

I'm trying to edit some existing alignments. When I create new entities, they do not show up in the alignment grid view. Why is this?

Windows 7 x 64 bit
NVidia Quadro 2000 Dual Monitor
6.00 GB RAM
Intel Xeon W3550 @ 3.07 GHz
Civil 3D 2013 SP 2, Civil 3D 2012 SP2, Civil 3D 2011 V3, Civil 3D 2010 V3

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AutoCAD Civil 3D :: Launching Alignment Grid View / Alignment Entities

Aug 11, 2013

Launching alignment grid view/alignment entities,

I’m wondering if there is a way to launch alignment grid view/alignment entities (attached) without the need to first launching “alignment”? This dialogue box is quite essential in editing the values of radius, degree of curvature and deflection angle for the selected curve.

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AutoCAD Civil 3D :: Alignment Begin Station Inherited From Another Alignment

Aug 8, 2012

Can I inherit the station from one alignment as the begin station for another alignment?

For example. Alignment 1 is 1000 ft long and starts at sta 0+00.

At sta 8+01, Alignment 2 begins and goes off in another direction.

I manually enter 8+01 for begin station Alignment 2. Life is good. Still in the design stage, and customer needs to modify Alignment 1 to avoid something. Now Alignment 2 intersects Alignment 1 at sta 8+15, but same N/E coordinates.

I manually enter 8+15 for begin station Alignment 2.

It would be better if Alignment 2 could inherit the begin station based on the new stationing from Alignment 1.

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AutoCAD Civil 3D :: How To Use The Sample API

Oct 26, 2012

How I could use on of the sample Civil 3D API that is provided? In particular, I would like to use the Export to Excel Sample API provided at the following location during the install:

C:Program FilesAutodeskAutoCAD Civil 3D 2013SampleCivil 3D APIDotNetCSharpPipeDataExcel

I am not a programmer and can not just load this sample as it is a .cs file.  How would I go about using the code already provided to create a plugin into my AutoCAD to be able to use this command?

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AutoCAD Civil 3D :: Sample Line Frequency

Jun 4, 2013

I have a road corridor and need to create sample lines at a 50m interval, as well as at every horizontal and vertical turning point. While the 50m stations and the horizontal turning points are easy to add (using the alignment), I can't seem to find where/how to add the vertical points (they have to be extracted from the profile).

Running the Feature Line Report I noticed the horizontal turning points are not used in the report: it only reports the 50m stations (so I guess the same will happen to the vertical points?).

how to add the vertical turning points to the sample line group and how to include both horizontal and vertical points in the Feature Line Report.

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AutoCAD Civil 3D :: Sample Line Object Snaps?

Jan 9, 2013

I am trying to use object snap (intersection) to position the end of my sample lines at the intersection of the sample line with a polyline. The object snap works with sample lines left of the alignment centerline but not on the right. How do I correct this?

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AutoCAD Civil 3D :: How To Sample More Sources In Profile View

Aug 15, 2012

How can I sample more sources in my profile view? I added a new surface that I want to see on my profile, but it doesn't show the "sample more sources" option like the sections do..

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AutoCAD Civil 3D :: Sample Elevation In Object ARX Application

Mar 18, 2013

I have an Object ARX application where I consult a TIN surface for elevation samples. I need several thousand point's elevations in a straight line.

I have the surface declared as

CComQIPtr<IAeccTinSurface> mTINSurface;

 And given coordinates (x,y) I can easily and successfully find the elevation using

//x and y are given double valuesdouble z;HRESULT result = mTINSurface->FindElevationAtXY(x, y, &z);
//+error treatment

 This, however, takes a lot of time when I have to do it thousands of times inside a for-loop varying the x-coordinate. Reading the documentation on IAeccSurface I found the Sample Elevation method (I don't paste the link here, it's pointing to 'invalid HTML' and forbidding me to post). In the hopes of improving performance, this is what I tried:

SAFEARRAY* safearray;SAFEARRAYBOUND bound;bound.lLbound = 0; //zero-basedbound.cElements = number_elements; //does this define the number of samples?safearray = SafeArrayCreate(VT_I8, 1, &bound); //zero based, safe array of X,Y,Z doubles
CComVariant variant(safearray);variant.vt = VT_ARRAY | VT_I8; //type: safe array of doubleHRESULT result = mTINSurface->SampleElevations(x,y,n_x,y,&variant); //sample in line

This is what I took from the description given by the documentation; that the last parameter should be a "VARIANT containing a zero based, one dimensional safe array of X, Y, Z values. ". My problem is that 'result' is always E_FAIL - and I'm not sure why - and 'safe array' is filled with zeroes.

I have the following questions:

Am I passing the right parameters? I have little experience with VARIANT and SAFE ARRAY types.Does the entire Sample Elevation operation fails whenever a single elevation cannot be found? (I have sections without elevation information in the surface - I'm sure the first point (x,y) DOES have a valid elevation value, though). Would I really see performance gain by using Sample Elevation instead of multiple FindElevationAtXY, as I assumed?When calling Sample Elevation, I'm not entirely sure how the sampling is considered. Does the method recognize the size of the array and divides the distance between the initial point and ending point equally, resulting in that many samples? 

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AutoCAD Civil 3D :: Sample Line Name Duplicated Exception

Dec 23, 2013

In Civil 3D we can create several new sample line groups and their sample lines can have the same name in other sample line groups.e.g

SLG_1:   

Sample line names:

1
2
3
4

SLG_2:   

Sample line names:

1
2
3
4

However, If I create a new sample line group with API and after new sample lines, if other sample line name(of other SLG) has the same name, Civil 3D throws Exception.

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AutoCAD Civil 3D :: Sample Elevation In Object ARX Application

Mar 19, 2013

I have an ObjectARX application where I consult a TIN surface for elevation samples. I need several thousand point's elevations in a straight line. Initially, I was making thousands of FindElevationAtXY calls, but that proved to be somewhat slow, so I searched and found SampleElevation in the documentation and was hoping it'd provide me with performance gain. 

I had some problems, due to my inexperience with VARIANT and SAFEARRAY types, but now I get what seems to be correct results when passing an initial and ending point. Here's a code snippet of my call, which succeeds and gives me the correct elevations;

HRESULT result = mTINSurface->SampleElevations(x,y,n_x,y,&variant); //sample in line

Note that I'm sampling a line along the x-axis (y constant).

The problem i'm facing is that the number of samples along the line provided by the method is far smaller than I expected.  I need thousands of points along this line (in fact, I want all points with exact  round x-coordinates), and no matter what size I provide for the safe array of doubles given by 'variant', I get only a few hundred points. Furthermore, I've checked and the offset between any two points in the resulting sample is not constant, nor are they the same when I sample a different line (increase y coordinate by one).

Here are my questions: Why are these points chosen by the method - I mean, are they chosen because they are somehow 'significant'?Is there a way to specify the number of points I want along this line?Would it be at all possible to determine a constant offset for the samples (i.e., I want coordinates at specific points x-units apart from each other)?

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AutoCAD Civil 3D :: Sample And Extract Elevation From A Surface

Feb 27, 2012

I just got a topographic map of some land we plan to develope, and would like to work out some preliminary earthmoving analysis.

I would like to sample that surface at very specific locations --  I could produce the required points in PNE format.

What I want is to find the way to: (1) import those points, (2) sample elevation from the surface at those locations, and (3) export the 3D poitns in PNEZ format.

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AutoCAD Civil 3D :: Export Coordinates Table Of Sample Line?

Apr 15, 2012

 I'm designing a road, but I have a trouble how to export coordinates table of sample lines?

I need a table of coordinates X,Y of sample lines.

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