Terrain

To design traffic infrastructure, you usually need a digital terrain model. Our software offers up to ten different DTM types featuring numerous functions for creating, analyzing and drawing models.

Design Basis

The most common type of terrain model is the calculation of a triangulation comprising terrain points and breaklines. The latter can be either imported directly via one of the many interfaces or simply extracted from existing drawings using our graphical point and line editors.

Combination

Grid files allow you to process even very large, structured terrain models comprising several billion points. If you have large quantities of unstructured points (e.g. from a laser scanning process), you can use the point cloud terrain model type.
Our multimodel also allows you to combine multiple terrain models of different types in one overall model.

Preparation

Surveying data from external sources is unfortunately not always delivered how you want it. As a practical program, ProVI makes it quick and easy for you to prepare the data. Smart check functions detect errors such as intersecting breaklines and can automatically correct these within predefined tolerances.

It is possible to significantly reduce the amount of data required for point clouds by filtering out points by category or position. ProVI also enables digitization in the point cloud and the automatic detection of objects (e.g. the top of the rail) so that the existing alignments can be calculated.

Analysis

The terrain models can be used for calculating ground sections or determining the volume between two models. Conversely, you can also use a predefined volume to calculate the filling heights for stormwater retention basins and waste disposal sites.

Terrain Analysis

Terrain analysis allows you to examine drainage behavior. In the drop path simulation, a virtual drop falls onto the terrain so that you can plot its subsequent path. ProVI can use this method to determine low points, water divides and catchment areas for the hydraulic dimensioning of drainage networks. The triangulation – at drainage manholes, for example – can be temporarily refined for this purpose.

Drawing

A three-dimensional terrain model can be drawn directly in AutoCAD using either lines, polylines, triangles or solids or simply as an outline. You can also generate labeled contour lines and use different colors for different elevation ranges.

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