AutoCAD Civil 3D :: Curb Height Transitions
Aug 21, 2013
Trying to model a curb height transition in my corridor. Over about 15' I want to go from a 6" curb to flush.
The only way I can seem to get it to show accurately is to leave a void in my corridor. This allows the surface which is created from the corridor to model correctly and give me a transition of my curb height from 6" to flush. Here's the object viewer showing it correctly:
However, there are a few problems with this approach. Mainly I've come to like the way the relatively new "extract corridor solids" tool (toolspace, toolbox, miscellaneous Utilities, corridor solids). I use this to create a fairly nice looking Navisworks model. With the void, now my model has a void. It seems to me that there should be a way to have a subassembly that can target both the back of curb profile and the edge of gutter simultaneously. I've tried with the standard subassembly "UrbanReplaceCurbGutter2" but with no luck. Any successful modeling a curb height transition within their corridor?
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Jul 6, 2012
we use three line road profiles. If there is a bus pullout or lane transition we show the curb profile based on centerline stationing. I'm able to generate a the corridor using a transition lane assembly from centerline and targeting a widened offset alignment or just a feature line. I can import the corridor curb feature line into a profile which would be a perfect solution, but it is all truncated. (i.e. no vertical curves) I can create a profile of the offset alignment, but the stationing doesn't match centerline.
How can I either generate a non trunidicated profile from the corridor for my curb profiles? How can create a design profile of a transition/pullout curb line that I can target and plot against centerline stationing?
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Feb 7, 2011
C3D 2010 user
I have a problem modeling intersection. This is first time I am modeling intersection. I have gone thru' and actually did all intersection tutorials offered by C3D and naturally I felt like I am ready for it.
But in real world I am not. I am trying to model intersection and I keep getting error as "Value on Wrong side of alignment to profile". I looked at target mapping and thinks so that all is okay (may be not). I am attaching snapshot of error message as well as plan view. I wanted to forward actual dwg but size is too large to post.
Point to note:This is Left lane driving setting. I realized this after I created alignment/profile/assemblies but before I tried intersection modeling.
I did 8 iterations before this post.
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Jan 9, 2013
I have a corridor with multipule intersections. I modeled the primary road straight through the intersections. Created ETW alignments and profiles to target in the intersections. Most intersections did not require this but one complex one did. All other quadrents in this intersection worked out except for this one (see attached). In this intersection the primary road alignment leaves the centerline of the road and transitions to a lane. I can't seem to figure out what this one quadrant is trying to target?
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Feb 12, 2013
I am new to corridors and am having some trouble with this. I have an assembly that has a paved roadway, 2' curb and gutter and a sidewalk. Along the road the curb varies to allow for on street parking. I have the front and back of sidewalk attached to an alignment, so it is exactly where it needs to be. I have an alignment that my EOP follows as well, and that seems to be ok. The problem is the back fo curb in the corridor. Instead of being 2' offset from the EOP, it is shifted 2' perpendicular to the baseline. Please take a look at the attached picture.
I think I can get it done by making each parking "bump out" it's own region using the EOP alignment, but that will take a lot more time and make my file a whole lot bigger. Being a corridor rookie, I am hoping I am just missing something.
I'm using Civil 3D 2013.
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Nov 25, 2013
I assume the curb box is included (or not) depending on the casting number? How is something like 3067 handled, which comes with and without a curb box?
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Nov 6, 2012
I am trying to get a street assembly to follow a top of curb profile. The profile is at the face of curb. The centerline of the street is my assembly target profile and alignment. I do not want to create an alignment for the curb. The curb profile is based on the centerline alignment. I can't figure out how to get a link that will track the curb profile at the face of curb.
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Mar 12, 2013
How I could create a label for the curb return grade as shown on the attached file. The label is on a curve.
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Apr 4, 2012
We sre doing 3 line profiles for a road and the left and right curb should be .13' lower than the centerline elevation. In many cases we are getting .14' or sometimes more or less. We tried resampling the cooridor with a tighter interval but still the same results.
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Aug 20, 2012
I am having a problem with moving my profile grades. I go to Utilities under Corridors and create a profile for the left and right curb. They show up in my Alignment Profile, but when I click on one to move it, it disappears. When I type regen, it shows back up. I am trying to set my crossection grades in my Multiple Section Views. I first create my Profile from Surface, then do a proposed centerline grade by Draw tangents with curves. I create the corridor, put in the regions, go to corridor properties and pick the right and left corridor lines I have created. Then I set the existing surface and attach it to my profile. I create the sample lines and the Multi Section Views. Where am I screwing up?
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Oct 12, 2011
I have been creating grading objects from my curb lines, assigning grades using the editor, then offsetting that line for the BACK of curb, and using the raise-lower command to raise the curb line height. If I edit the original face of curb line (gutter grade) then I go back and redo the process. Is there any way to intelligently link these two lines so that if one gets edited C3D knows the other is 0.5 feet higher (or lower) than its neighbor?
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Jul 18, 2012
How to shut off the rendering for the pavement & curb assemblies autodesk provides?Otherwise they turn into black blobs and use a lot of ink when they are plotted.
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Feb 24, 2012
Changing the curb return radius after the intersection has been created. I am able to go back to the curb return parameters dialog and enter a different value, but once I hit Enter or OK the value reverts back to the one I orginally used.
So it looks like I have to delete the intersection object and re-start the wizard from scratch. Not that it's a big deal, just thought there might be a way to make the change once the intersection is built.
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Dec 9, 2013
I am getting assembly problem as shown in attached fig where curb return takes zero elevation . However the same assembly working fine on other intersection
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Dec 5, 2013
I am trying to create a feature line style that would include markers similar to minor stations of an alignment at the End Points and 1/4D, 1/2D & 3/4D locations. The thought is that I could use these on curb returns, and the markers would identify the locations we provide construction staking.
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Mar 21, 2012
creating a existing surface single Curb/Gutter spot elevation label using two existing surface elevation points and not cogo points. I am a surveyor, and I want to be able to just click on both points one at a time (top of curb/gutter) to place the elevation label.
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Mar 8, 2013
It sounds like the transition should happen automatically (although some tweaking may be required).
But for some reason, I'm NOT getting a transition.
I had one assembly for the entire length and the designer wanted to have the curb stop at 0+40 and from 0+40 to the end, he wanted NO CURB--just an EOP.
So I copied the assembly, modified the copy so that there was no longer a curb and attached the shoulder (that was previously connected to the curb) to the EOP.
So the codes should all be same. I just attached a dwg file (created/saved in 2012) with my two assemblies in it.
Here's a screen shot of what I'm getting:
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Sep 13, 2013
There are been a few posts about transitions this week, so here is a simple little sub assembly (provided "As Is") that might work. It was build with Sub Assembly Composer 2014. The way it works it to calculate a number at a station based on a start and end value, a transition type and the station (chainage) value in relationship to the start and end points of the region. It has X transition types: Linear, Parabolic Out (rate of change increases) Parabolic In (rate of change decreases), Reverse parabolic (back to back), Bay Taper (from Caltrans this is a three part transition made of 2 parabolas and a linear section), Cubic Out and Cubic In.
The way it works is you insert the subassembly before a subassembly that you need to transition. You set up the start and end values and the type of transition to make. Then in the following subassembly you reference the value that is returned. For slopes, you'll have to input the values in decimal (4:1 = 0.25)
I've attached a drawing as well that shows a bay taper of a road from 12 to 24 over 120 and a daylight that goes from 1:1 to 4:1 and back around a curve (3 regions)
Autodesk, Inc.
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Dec 19, 2012
I have two assemblies that represent road cross section at two points along a corridor. I want the corridor to transition smoothly between the two cross section so that if I look at a section halfway between the two assemblies it will have an intermediate width. Doing this with a simple transition assembly doesn't seem to be the most efficient approach since my offset or target actually changes as one moves up the corridor. Is there a way to generate a polyline or some other type of entity that could be used as a target?
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Feb 14, 2013
I need getting a roadway to transition horizontally for a turn lane. If it were straight without super, it would be easy. However, the transition happens in a curve that needs to be super elevated.
I know I can use the lane transition assembly and set it to "change offset and grade" but with that, I would have to manually calculate my EOP elevations.
Is there a sub assembly with the ability to use the centerline super elevation data as well as transition horizontally?
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Feb 28, 2011
I try to make curb return profile without profile view like a intersect command.
I was make curb return alignment but I can not find profile command without profile view.
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Jun 14, 2012
We are trying to find a way to produce a Greyscale BMP/PNG/ tiff file Height map, is this possible to do in C3D? Like the one attached.
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Jan 20, 2013
I have a problem iterating heights when making a polyline between two different points that have Z-values. I've used Autocad Civil 3D for working with geodetic data with height measurements before and I remember using geodetically measured height values, transforming them into a surface and then when I create a 3Dpolyline within this area the polyline automatically gets z-values that change along the line.
In other words, I could use this 3Dpolyline to obtain a profile that gives me z-values even where there is no exact point with a value has been physically measured. It was a while ago I worked with Autocad and now when I started again I have a similar problem but can't manage to create a surface and get iterated values.
My exact problem this time is:
I have a sewage pipe that runs for several kilometers that is drawn as a 3Dpolyline, with correct x- and y-values. It doesn't have any z-values yet and these are what I want to obtain. I want the polyline to have continuous z-values that changes along the polyline (not only in vertexes) so that a smooth profile can be drawn if wanted. I have data of measured actual z-values for approximately every 500 meters or so along the sewage pipe and these are currently drawn as 3Dpolylines of around 20 meters going perpendicular to the pipe (as in the picture). In other words there are bars with z-values crossing the pipe all along the stretch. Now, what I want to do is to somehow make the polyline that represent the pipe to get the heights from these perpendicular bars with the measured z-values. If I try to draw a new 3Dpolyline between two of the measured bars where the actual pipe is supposed to be, the end vertexes of the 3Dpolyline gets the z-values of the bars. However, the value in between the bars gets the Z-value 0. So, if I start a 3Dpoly on bar 1 then continue the pipe with another vertex, and then finish off at the second bar I will have 2 vertexes with the correct z-value but the middle vertex will be incorrect (0). How do I get the pipe to get the correct z values automatically iterated from the values on the crossing bars? Is this even possible to do? Should I create a surface from the bars first, and in that case how do I do that? If possible I don't only want the vertexes between bars to have iterated z-values, I also want the entire line to have a correct value.
I've attached a crappy image made in paint (since I don't have Autocad on my home PC, only at the office). And just to make things even clearer I'll give an example. Let's say the pipe distance from 1 to 2 is 10 meters, the distance between 1 to 3 is 30 meters and the z-values of bar A and bar B is 10 and 25 respectively. So, when I draw a 3Dpolyline from 1 to 4, I want the vertex 2 to automatically get z-value 15 (since it's 1/3 on the way to B). In the same way, I would like for example the point on the pipe that is right in between 2 and 3 to have the z-value 20. I won't mind redoing the bars to for example singular points instead, if that makes it all easier.
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Jan 24, 2010
I am trying to learn Part Builder to create a custom inlet structure. I am able to build the part in Part Builder so it looks like it should and seems to work correctly when I change part sizes. I run into trouble when I try to change the model parameter for Structure Height (SBSH) to a formula invovling Rim to Sump Height (SRS). When I do this and then go to Edit Size Parameters, I get an error " one or more calculations have failed". It does not seem to make any difference what formula I use for SBSH or what size parameter or model parameter SBSH was set to before I entered the formula.
I am able to save the part without any other error messages, however, when I look at the .xml file, SBSH is a constant and not the formula I entered. I can edit the .xml file to enter the formula that I want but still the part does not function properly in a drawing.
I can make a pipe network using the new structure, however, the pipe inverts are not the same as the sump elevation of the structure. They are usually several feet below the sump. I can get the structure sump to match the pipe inverts by going to "Connected Pipes" under "Edit Structure Properties", highlighting the pipe invert elevation and then clicking "Apply". If you change the pipe using "Edit pipe properties" after this, the structure invert does not update as it should.
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Mar 1, 2013
I need to know if there is a way (like an expression) to get de height between invert out pipe and rim level?
My question is about a structure with 2 or more pipes at different level and needed to define the height for each one to the surface level (rim level).
C3D2011
MAP3D2011
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Oct 1, 2013
I need to put a 42 x 29 Arch Pipe in my drawing. I found a 44 x 27 in the elliptical arch catalog. But I can't get it to let me create one that's 42 x 29.
And I'm also having trouble making a label for it. This is one of three culvert pipes in this network. The other two are round 36" CMP. The label for those says XX' of 36" POLY-COATED CMP @ x.xx%. Once I need the label for this third pipe to show as XX' of 42" x 29" ARCH PIPE @ x.xx%.
When I tried to make the label style, I saw "Pipe Inner Diameter or Width". But I didn't see one for height.
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Nov 13, 2012
How i can Set Automatic Height in the Sheet Profile View ?
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Dec 4, 2012
Is it possible to change the row height in a Line and Curve Table.
Civil 3D 2012
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Jul 8, 2013
I am trying to do centerline stationing but the texts are coming out too small and the tick marks are not showing up.
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Aug 24, 2012
I have a itemized list in a mtext group and I want to change the text style in the main headings. When I select the heading line it says all style will be changed.
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Mar 15, 2012
Where is the “annotative scale” and “paper text height” properties?
I couldn’t find the “annotative scale” and “paper text height” properties when dealing with “Civil 3D” objects such as points and contours the same way we have it in the regular AutoCAD.
For example, suppose that I need to increase to decrease the “text height” of the point label considering a particular “annotative scale” property, then how this kind of thing might be done in the AutoCAD Civil 3D?
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