Create subassemblies for Civil 3D with the user-friendly interface of Subassembly Composer. The Autodesk Subassembly Composer has been. When it comes to corridor modeling, Civil 3D provides a large number of subassembly parts right out of the box. Since these parts are also. One of the most common Sub-Components I get asked about is the Subassembly Composer for Civil 3D and so I am writing this helpful guide.

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Use Subassembly Composer – Create a Civil 3D Subassembly – EnvisionCAD

As an AutoCAD user, you are accustomed to drawing lines in a very visual way. Auxiliary points are used as references for other points and they are not shown in the subassembly.

Add another Output Parameter. It will be directly below the origin at a distance of negative Depth, which is a parameter previously defined, and no displacement in the X direction. Notice that here you have to use both input and output parameters. Figure 1 shows the basic anatomy of a subassembly with codes, points, links, and shape.

For display name, type Top Width. Import into Civil 3D Now you can use the slanted curb subassembly like a regular curb subassembly. This point will use a point code so a feature line can be created when connecting multiple sections using this subassembly.

Customizing with Subassembly Composer

comopser AutoCAD has some verticals with specialized tools to design and draft elements pertaining to different industries. Add another point element, which will be the subwssembly right corner of the subassembly.

Make sure the type is set to double, which is the type of parameter that will let you input values with decimal figures. This makes the way Subassembly Composer works seem a little weird, so when you design a subassembly it is always a good idea to start by drafting an outline by hand. PI; this will convert the Atan into degrees. For Delta Y enter 0. Now the subassembly is ready and it should look like Figure 8. For Delta X type BottomWidth—in this case it is going to go to the right from P2 so the value would be positive.


Add an output parameter. Properties is where you set the properties for each of the elements you bring subassemblg from the toolbox; properties composerr geometry, calculations, and overall behavior. From the toolbox in the Miscellaneous category, drag Set Output Parameter and drop it into the flowchart.

These values are calculated and used for other parameters.

Customizing with Subassembly Composer | AUGI – Autodesk User Group International

From the toolbox, drag and drop a Decision operator, which is turorial the Workflow category. You can now save the file and close Subassembly Composer. Slanted curb in Subassembly Composer At this point the subassembly is ready and it should look like Figure 3. This subassembly works similar to the LinkWidthAndSlope generic subassembly, but this one keeps the length constant regardless of the slope.

To understand what Subassembly Composer does, we need to review how subassemblies work, what their components are, and what they do; specifically, we need to understand codes, points, links, and shapes. Save the file and close Subassembly Composer. These subassemblies are rather simple, but I think you can 3 the potential of Subassembly Composer.

Conclusion Now you have two parametric subassemblies made from scratch. Repeat the previous steps for the other parameters and make sure your parameters match what is shown in Figure 2. Now that you know how to use Subassembly Composer, go ahead and create your own subassemblies, draw them in your mind, then on paper, and then build the subassembly.


Packet Settings is where you create and set up the subassembly parameters, targets, and so on.

Subassembly Composer is a program where you can create subassemblies from scratch and then use them in Civil 3D just like you would with any other subassembly. Co,poser will be the origin and insertion point. Add a point component by dragging it from the toolbox and dropping it into the flowchart window.

Home Articles Customizing with Subassembly Composer.

The codes used when creating a subassembly will work with the codes in the Code Set Styles, point codes will create feature lines, and links can be used for surface creation.

The direction is input because it is an input parameter, meaning that the user will input the value. Think about the subassemblies you use when building corridors. In this article we will see how to use the Subassembly Composer; we will look at its components and create two subassemblies to see how it works. Subassemblies are the building blocks for assemblies in Civil 3D, and we can look at assemblies as cross sections for roads, rivers, embankments, etc. Add another Output parameter from the toolbox.

At this point you have already calculated all the parameters you need, so now it is time to create a point and a link using those parameters.