building model (lod) generation tutorial

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DESCRIPTION

This tutorial describes the generation of building models from LiDAR point clouds with the Laserdata LiS software. The processing chain starts from a classified point cloud, of which all building points are subset. Unique building IDs are assigned to the points by region growing grouping them to objects. Finally LOD models are derived by alpha-shape computation, polygon rectification and height extrusion based on a raster DTM.

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LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Building Models from LiDAR Point Clouds

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Business fields of Laserdata

Software Development of LiS for ALS, TLS and MLS data Services in LiDAR Processing and Analysis

Research Projects

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Building Models from LiDAR Point Clouds:

Input: Classified Point Cloud Point Cloud Subset Extractor

Extract Building Points

Create Building IDs

Region Growing Building Points

Point Cloud Vectorizing

Create LOD Models

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Input data: Classified Point Cloud and Raster DTM

Data courtesy of the Province of Tyrol

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Point Cloud Subset Extractor: Extract Building Points

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Point Cloud Subset Extractor: Extract Building Points

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Create Building IDs by Region Growing

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Create Building IDs by Region Growing

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Point Cloud Vectorizing Derive LOD Models

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Point Cloud Vectorizing Derive LOD Models

Options: Max, Mean, Min Building Height, Building Volume

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Point Cloud Vectorizing Derive LOD Models

Options: Max, Mean, Min Building Height, Building Volume

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Point Cloud Vectorizing Derive LOD Models

LASERDATA GmbH ∙ Management und Analyse von Laserscanning-Daten

Technikerstrasse 21a ∙ A-6020 Innsbruck ∙ Tel: +43-(0)512-507 48 66

Fax: +43-(0)512-507 48 69 ∙ E-mail: office@laserdata.at ∙ www.laserdata.at

Laserdata GmbH

Frederic Petrini-Monteferri

Technikerstr. 21a

A-6020 Innsbruck

Tel: ++43 (0)512 507 4866

Fax: ++43 (0)512 507 4869

Internet: www.laserdata.at

Email: office@laserdata.at

Kontakt

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