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GEO5

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Creation of a Terrain Model

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The creation of a digital terrain model is the first step for most tasks. The digital model of the terrain is created in the construction site dimensions from the entered terrain points.

The terrain points can be entered or imported. The terrain is generated automatically after each change of the entered points. The shape of the terrain is also influenced by the field tests with defined z-coordinate. When modelling slopes and broken terrains, the input of active edge is important.

In this example, the slope modelled from six points [x, y, z] is shown. [0,0,0], [0,10,0], [7,0,3], [7,10,3], [20,0,5], [20,10,5].

Terrain with medium smoothing

The shape of the model can be greatly influenced by smoothing the surfaces between the triangles. The smoothing is entered in the frame "Settings". The above model was designed for "intermediate" smoothing. If the smoothing is set to "none," the model looks as follows.

Terrain without smoothing

Larger smoothing allows to create more realistic models, but the generation can be slower in case of higher number of layers. Sometimes, for a larger model, it is recommended to create whole model without smoothing and turn it on when output documentation or cross sections are created.

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