Place volumes along a path - Intergraph Smart 3D - Help

Intergraph Smart 3D Compartmentation

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Intergraph Smart 3D
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Compartmentation
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Smart 3D Version
11 (2016)

You can create customized volumes in the location that you need and with the shape that you need using Place Volume Along Path Command . This command is especially useful for volumes that need to have an unusual shape or that must negotiate around specific objects in the model. For example, if you need to leave adequate space for equipment to reach a particular location, the Place Volume Along Path command allows you to specify the path where the equipment needs to travel as well as the appropriate amount of clearance that must be left on all sides. Another use of this command is to create a fire evacuation route.

When you place a volume along a path, a two-dimensional cross section is projected along the path that you specify in the model to create the volume. The path determines the location of the volume in the model. The cross section defines the shape and dimensions of the volume.

The following picture shows a path (yellow) and a rectangular cross section projected along that path. The resulting volume is shown in green.

Defining Paths

When you define the path along which a cross section is projected, you can choose from a straight line or an arc by three points . Alternatively, if you want to break the path at a particular point, you can select No Line . You can also control characteristics of the path by specifying the types of turns (bend, cornice, or chamfer), the dimensions of the turns, and the plane for the path.

Defining Cross Sections

When you define the cross section for the volume, you can select from a standard set of cross sections defined in the reference data, or you can sketch your own two-dimensional cross section.

When you use a standard cross-sectional type, you can change the dimensions and the cardinal point of the cross section on the Cross-Section Tab. The cardinal point of the cross section is important in determining the shape and location of the resulting volume. The cardinal point is the point where you want the software to attach the cross section to the path. All standard cross section types have cardinal points from which you can choose.

For example, in the following picture, you can see that the cardinal point 1 (represented by a red dot) is located in the center of the cross section. If the cardinal point were moved to another location, the resulting volume would be different.

When you sketch a cross section, you must sketch the cross section on the two-dimensional plane that is orthogonal to the first leg of the path. The software displays this plane, which is perpendicular to the path, as you sketch the cross section. The cardinal point is also displayed as you sketch.

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