# Point Cloud Requirements
In order to be able to use a digital measurement of a laser scanner in Dietrich's, it must meet the following requirements.
#### Registration
The scans must be arranged in relation to each other, "registered" in technical jargon. This registration takes place after importing from the scanner in the corresponding software, e.g. Faro Scene, Leica Cyclone Register and also Autodesk Recap Pro. Exporting the project point cloud from the FARO AS-Built Modeler is also useful.
#### File Format
The most common file format for exchanging point clouds is the e57 format. This format is required to connect to Dietrich's.
#### Features of the E57 File
When exporting the e57 file, different functions can be selected in the registration software. The settings described below are useful, but not necessary.
* Clipping / reducing the point cloud to the required area (e.g. reducing it to the size of the property. Objects such as trees and buildings in the "neighborhood" are usually not needed)
* Export an "unstructured" point cloud, only all points are exported as one point cloud and non-contiguous point clouds from each point of the scanner.
* Filters such as distance filters, filters to avoid duplicate dots, and others that reduce the number of dots are also useful to reduce size and increase processing speed
By reducing the points without any loss of quality, file size can be significantly reduced. Which speeds up the reading and filtering process considerably. Furthermore, this conserves hardware resources, such as RAM and capacity of the hard drives.
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