Calculate Slope
Calculate Slope tool calculates a slope from a graphical element onto a surface model. The starting element is either the top or the bottom edge of a slope. The tool calculates the other edge of the slope and draws it as a new line string element. The new element follows the elevation of a selected surface model.
The starting element has to be linear. Valid CAD element types include lines, line strings, curves, arcs, ellipses, shapes, complex chains and complex shapes.
To calculate slope from an element:
1. Select the Calculate Slope tool.
This opens the Slope dialog:
2. Enter a slope angle in the Angle field and a minimum distance value in the Min dist field.
3. Select a surface to be used for slope calculation.
4. Identify the element to start from.
5. Define the slope direction with a data point. The direction is either left or right from the starting element.
If found, the other edge of the slope is drawn. You can continue to step 2, 3 or 4.
Setting |
Effect |
|---|---|
Angle |
Slope angle in degree. A positive value calculates a slope upwards from the starting element. A negative value calculates a slope downwards. You can enter the angle as ratio of vertical and horizontal distances, for example, 1:3. |
Min dist |
Minimum distance of vertices in the new line string. A mathematical slope may have some vertices very close to each other. For practical reasons, it is recommended to remove some of these vertices. |
Onto surface |
Name of the surface used to compute the other edge of the slope. |
