AutoCAD Civil 3D

[#1]

I am using C3D 2012. I my drawing I have 3D solid objects that I want projected into my roadway x-sections. When I use the menu command to "project objects to section views" and select "solids" I get the message "no objects to project". Are their different types of solid objects in autocad? I'm not sure what I am missing.

Any help is appreciated.

Thanks 

[#2]

I've projected spheres with no problem. They're a type of solid that used to be know as a primitive solid. It's possible that the solid is too complex.

However help says that solids can be projected.

The following object types can be projected:

• AutoCAD Civil 3D objects: Points, feature lines, and survey figures
• AutoCAD objects: Points, blocks, MView blocks, 3D solids, and 3D polylines

Can you describe the solid you're trying to project?

Allen

[#3]

I have tried the “solid” command to create a simple square shape. I have also use the “box” command to create a solid shape but did not have luck with either type.

All the other type of object types you noted I have used in the same drawing file and they all work.

Thanks for the reply

[#4]

I just projected a box with no problem once I set the correct elevation.

Have you tried restarting Civil 3D and or rebooting your computer?

Allen

[#5]

Yes I have restarted the drawing/program/computer.

I just created a new drawing with a simple short straight road, added my sample lines, created my section views. Using the "box" command I added a solid object within the sample range for projecting objects and got the same result "no objects projected".

Is their a setting that I am missing?

Thanks for your help.

[#6]

When you select the 3d opbject and go to the properties dialog does the object show up as a 3D Solid or a Mesh or something else? I know the mesh won't project to views.

Another way to do this is draw a pline for the bottom of the 3d object, offset this pline slightly inside and up to the top elev. Make a surface with the 2 plines defined as breaklines and that will go into view w/o issue. For irregular objects, use the outer pline as a boundary as well as a breakline.

If you have a large number of these objects, add all to the surface in one shot. Draw a pline with all of the objects to project inside. Use this a a hide boundary on the surface and then select all of the outer plines (hopefully on a different layer than the inner plines) and use them as Show boundaries on the surface. We use this method to quickly add bld's to sections from aerial survey data.

[#7]

Here is an example of the surface above from a hec study. We had two EG surfaces. One with the BLDs included with the EG for the hec analysis and another for plotting where the blds were a separte surface. All of the white blds went into section view very quickly and w/o issue.

[#8]

Yes the properties on the solid objects are a 3D Solid.

I did try projecting in a sphere into the sections and that worked fine so still confused why some solids work and others do not.

I understand the method you described using a surface method and that might be my next option.

Thanks for sharing.

[#9]

I quickly looked through the 3D system variables and did not notice anything that would change the type of solid created. Like Allen I am able to project boxes and sphere's but IME they don't always project completely.

[#10]

I recently added some solids from Revit to a profile view too messy as I expected a box outline just showing where the cut line would be but got all visible data instead. I gave up.

I do however have a cleaner solution to suggest..

Create a standard AutoCad Section plane following the section / alignment location, section the object and create a section in the drawing. Copy, Explode and reposition & make a block then match Y insertion to scale. You will get better results but the downfall is they will not be linked.

I can't remember if you can specify a vertical exaggeration with the section plane commands so some steps could be missed.