|
<< Click to Display Table of Contents >> Uniform surface |
  
|
|
<< Click to Display Table of Contents >> Uniform surface |
|
Purpose
To create a model representing a horizontal surface such as water for simple flood analysis or pond design etc.
Optionally the surface may have a slope defined by two or three 3D locations.
The resulting model will then often be used by menu item Ground Modelling, Embankments to draw embankments (up to or down to) or Ground Modelling, Drape, Drape entities to convert a sports pitch or car park represented by 2D Polylines into 3D with a specified gradient.
To specify the gradient menu item 3D utilities, Enquire and define Slope will help by drawing one or two slope definition 3D Polylines and the ends used to define the two or three 3D locations.
Operation
Pick location of first point (can be anywhere if surface is to be horizontal but will be used in slope calculations).
Enter Level value.
Return if horizontal surface and enter output model name.
If defining a sloping surface pick location for second point and enter it's level and optionally repeat for a third.
A uniform surface model will be rectangular and cover an extremely large area. The model will consist of two triangles as shown in yellow in the above 3D view.