Construction and architecture

3D laser scanning can be used for more and more applications in Construction and Architecture.

In architecture it is used mainly for site measurements of buildings. This is especially interesting for older buildings that often do not exhibit any regular geometric features. Difficult to access objects such as facades and roof constructions can be efficiently dealt with using laser scanning.

In construction the method is suitable for surveying of a wide range of building types. Especially difficult to access objects such as bridges, railway- and water constructions are worth noting. The method is also used for documentation and surveillance during building projects. The large number of data points results in a high information content; this allows for a quick and detailed depiction of complex objects.

Tube inspection with a FARO Focus 3D laser scanner.

Vector graphic systems such as Autocad, Nemetsckek, Microstation etc are often used for CAD-processing in an architectural setting. Reading in of large amounts of point data is not possible with these systems. Only small amounts of point data, such as cuts, can be imported. These functionalities can be extended or amended via program extensions (plugins) provided by the manufacturers as well as other providers. Additional programs also offer functionalities for data management, for modeling, and for image evaluation. The transfer of the data is done via an open interface.

The main difference between the two solutions is that in the case of plugins the customer is able to use his usual CAD environment and its full capabilities. A disadvantage is the lower capabilities of the plugins when compared to separate software solutions. Handling of data using additional software solutions is much more elegant. The CAD functionalities are less extensive than in the standard systems. The choice of software solution is determined by the work to be done and by the budget of the customer.

The results of the CAD evaluation are 3D-CAD models as well as 2D evaluations such as cuts and prints.

3D laser scanning in cultural heritage preservation

Also in cultural heritage preservation 3D scanning find more and more applications.

Scanning the monument of Eike von Repgow in Magdeburg by 3D scanners.

Later the visual models can help curator of monuments at work.




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