Product Manual

Horizontal Element Properties Window
MAGNET Tools ver 1.0
131
For Spiral CS to SC the tab contains the fields:
• Length
- the length of the horizontal element. You can edit this
value.
• Turn
- the direction of turn of the curve. The Right value stands
for clockwise direction and the Left value for counter-clockwise
direction. You can edit the direction for a Curve and Spiral
horizontal alignment type.
• Radius
- the end radius of the curve. You can edit the value.
• Azimuth
- the azimuth of the tangent to the start point of the
horizontal alignment. You can edit this value only for the starting
element of the road (in this case “Tangential to previous element”
box is disabled). To change the azimuth of all other elements,
uncheck the “Tangential to previous element” box and enter the
desired value in the field.
and check box:
• Tangential to previous element
- if this parameter is checked
(default setting for all horizontal alignment types except the first
road element), the given value of the azimuth will be used for the
next alignment as a start azimuth, and you cannot edit the
azimuth. Uncheck the box to edit the azimuth.
The curve parameters in the Curve panel in the current linear units
(you cannot edit this parameters) include the following:
• Spiral Constant
- the square root of the product of the length and
the radius of the spiral. The value is used to define a compound
curve.
• Start Deg Curve
- the angle in degrees used to compute the start
radius of a curve whose curve is 100 units long. Using the degree