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Mastering AutoCAD® Civil 3D® 2012 by Louisa Holland, Richard Graham

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Building Assemblies

You build an assembly from the Home tab by choosing Assembly Create Assembly from the Create Design panel. The result is the main assembly baseline. This is the point on the assembly that gets “hooked in” to your design alignment and profile. A typical assembly baseline is shown in Figure 8-5.

Figure 8-5: Creating an assembly (left); an assembly baseline (right)

f0805.tif

When an assembly is created, you have the option of telling Civil 3D what type of assembly this will be:

  • Undivided Crowned Road
  • Undivided Planar Road
  • Divided Crowned Road
  • Divided Planar Road
  • Other

These categories will help the software determine the axis of rotation ...

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