This command creates a solid model of one or more tunnels. Each tunnel is defined by a centerline, profile and cross section template. This design method is the same as the Make Solid From Design command. The additional ability of Tunnel Network is to process multiple tunnels together. This command automatically finds intersections for tunnel centerlines. At each intersection, the program has controls for how to connect the tunnels.
All the model
data is stored in a .TNET file and the program starts by prompting
for the TNET file to process. Then the Tunnel Network dialog docks
on the side of the screen. The top row of functions are:
In Tunnel
Network Settings, the Radius is the default to use for the
sides of the tunnels at intersections. The Display Options
control how to highlight tunnel items in the drawing when they are
selected from the Tunnel Network project tree dialog. Output
Solid sets the name of the MDL to create. The Station
Intervals control when to create sections along the alignment
in the model.
When you add
or edit a tunnel, there's a dialog to set the Tunnel Name.
Each tunnel needs a unique name. The Centerline defines the
horizontal alignment. The Profile defines the vertical
alignment. The Template defines the tunnel cross section.
Besides editing these files within Tunnel Network, there are
separate commands for these such as Centerline Editor and Profile
Editor.
For each intersection, the program
calculates the centerline stations and elevation at the
intersection. The Primary Tunnel setting controls which profile is
held at the intersection. The other profile will be set to match
the primary tunnel. There are settings to control the profile
transition of the secondary tunnel.
For each
corner of the intersection, there are separate tabs for the
settings specific to that corner. Each corner is named relative to
the primary tunnel direction. For example, Front-Left is the corner
along the primary tunnel before entering the intersection and on
the left side. The Radius is the fillet radius to transition the
outer tunnel side at the intersection. There are setting to control
the profile in the corner transition.
When you add
tunnels to the model, you can pick the centerline polyline from the
drawing and assign a CL file name.
Pulldown Menu Location: Solid
Keyboard Command: tunnelnet
Prerequisite: solid model file
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