
Screen Examples
159
Spiral Layout
A spiral curve is a special curve that has a specified radius at one
end, which gradually changes to an infinite radius at the other end.
It is commonly used as a transition between a straight section and a
circular curve.
The Spiral Layout
screen is used to calculate the pertinent parts of a
circular curve after specifying the spiral curve’s radius and length.
1.
Tap , from the
Main Menu.
2.
Enter the radius of the spiral
curve in the
Curve
field.
3.
Enter the length of the spiral
curve in the
Length
field.
4.
Tap . The details of the
specified spiral curve can be
viewed by tapping the
Results
and
Map
tabs.
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