Collision analysis with 3D laser scanner

Blog Kategorien: 

Collision analysis by use of a 3D laser scanner

For assembly analyses in the course of renovation planning, potential collisions are of particular interest for planners, constructors and plant construction firms.

By means of a laser scanner, the locations for assembly can quickly be captured and documented three-dimensionally. A 3D point cloud (laser scan) results from this 3D surveying with a laser scanner. How can a collision analysis be performed using the scans received?

Collision analysis by use of a point cloud

That is very easy. You need a 3D CAD model of the object that shall be assembled. The object can be machines, aggregates or - as in our example - a pipe.

Both objects (point cloud and CAD model) need to be available in the same coordinate system. This condition can be achieved when both models are used in the same reference system (e. g. hall layout).

Collision analysis by use of the ideal laser scanner software

Otherwise, software suites such as the new Bentley Pointools V8i allow "digital shifting" or placing of the CAD model. In appropriate software, the collision of both objects can be calculated and displayed automatically.

In our example, we have used the new collision tool of Bentley Pointools V8i. The result is visible on the image. Shifting of the CAD object to be controlled allows an iterative analysis for finding an appropriate location for assembly.