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Featured researches published by Karl-Heinz Häfele.


international conference on computational science and its applications | 2013

New Concepts for Structuring 3D City Models – An Extended Level of Detail Concept for CityGML Buildings

Marc-O. Löwner; Joachim Benner; Gerhard Gröger; Karl-Heinz Häfele

We propose a new Level of Detail (LoD) concept for CityGML buildings that differentiates a Geometrical Level of Detail (GLoD) and a Semantical Level of Detail (SLoD). These two LoD concepts are separately defined for the interior characteristics and the outer shell of a building, respectively. The City Geography Markup Language (CityGML) is an open and application independent information model for the representation, storage, and exchange of virtual 3D city models. It covers geometric representations of 3D objects as well as their semantics and their interrelation. The CityGML Level of Detail concept in general offers the possibility to generalize CityGML features from very detailed to a less detailed description. The current LoD concept suffers from strictly coupling geometry and semantics. In addition it provides only one LoD (LoD4) for the description of the interior of a building. The benefits of our new LoD concept are first, a substantially higher informative value for the Level of Detail, second, a better description of the interior Level of Detail, third, a broadening of the opportunities for indoor modelling, and last, a better assignability to all other modules represented in CityGML. Due to more combinations of GLoD and SLoD, the Level of Detail definition for every module in CityGML can be defined according to the nature of modelled real world phenomenon.


At-automatisierungstechnik | 2002

Nachhaltiges Planen, Bauen und Wohnen im Informationszeitalter – Herausforderungen an die Automatisierungs- und Informationstechnik (Sustainable Design, Construction and Living in the Information Age – Challenges for Automation and Information Technology)

Georg Bretthauer; Stefan Dietze; Karl-Heinz Häfele; Jörg Isele; Jens Jäkel

Das Ziel der Arbeit besteht darin, eine Übersicht über den gegenwärtigen Entwicklungsstand auf den Gebieten “Planen, Bauen und Wohnen” aus der Sicht der Automatisierungstechnik und der Informationstechnik zu geben. Schwerpunkte der Betrachtungen sind der Einsatz informationstechnischer Methoden während des Lebenszyklus eines Gebäudes, die Automatisierung in der Vorfertigung und auf der Baustelle sowie die Hausautomatisierung. Beispiele für zukunftsweisende Projekte und vor allem die skizzierten Perspektiven zeigen die neuen Herausforderungen an Automatisierungs- und Informationstechnik.


Prozeßrechnersysteme '91, Automatisierungs- und Leitsysteme in den neunziger Jahren | 1991

Automatisierungs- und Steuerungskonzept für ein hochflexibles Handhabungssystem zum Gußputzen

M. Lawo; Hubert Droll; A. Görbell; Karl-Heinz Häfele; Henning Haffner; Jörg Isele; Peter Kohlhepp

Im Rahmen des BMFT-Verbundprojektes „Komponenten fur fortgeschrittene Handhabungssysteme“ wurde das hochflexible System zur Bearbeitung von Gusteilen COMETOS (Coordinate Measuring and Tooling System) entwickelt.


Archive | 2012

OGC City Geography Markup Language (CityGML) Encoding Standard

Gerhard Gröger; Thomas H. Kolbe; Claus Nagel; Karl-Heinz Häfele


ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences | 2013

ENHANCED LOD CONCEPTS FOR VIRTUAL 3D CITY MODELS

Joachim Benner; Andreas Geiger; Gerhard Gröger; Karl-Heinz Häfele; Marc-Oliver Löwner


Archive | 2010

CONCEPT FOR BUILDING LICENSING BASED ON STANDARDIZED 3D GEO INFORMATION

Joachim Benner; Andreas Geiger; Karl-Heinz Häfele


Archive | 2016

Virtual 3D City Model Support for Energy Demand Simulations on City Level – The CityGML Energy Extension

Joachim Benner; Andreas Geiger; Karl-Heinz Häfele


Proceedings of the Joint CIB W78, W102, ICCCBE, ICCC, and DMUCE International Conference on Computing and Decision Making in Civil and Building Engineering, Montreal, Canada, 14-16 June | 2006

CAD/CAM Integrated Building Prefabrication Based On A Product Data Model

Shutao Li; Jörg Isele; Karl-Heinz Häfele; Andreas Geiger


ZfV - Zeitschrift für Geodäsie, Geoinformation und Landmanagement | 2012

CityGML 2.0 – Ein internationaler Standard für 3D-Stadtmodelle. Teil 1: Datenmodell

Marc-O. Löwner; Joachim Benner; Gerhard Gröger; Ulrich Gruber; Karl-Heinz Häfele; Sandra Schlüter


161. DVW-Seminar: Geodäsie und BIM – Grundlagen, Datenmodelle, Anwendungen, Hamburg, 13.Juni 2017 | 2017

BIM und GIS - Merkmale, Gemeinsamkeiten, Transformationen

Joachim Benner; Andreas Geiger; Karl-Heinz Häfele

Collaboration


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Joachim Benner

Karlsruhe Institute of Technology

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Jörg Isele

Karlsruhe Institute of Technology

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Marc-O. Löwner

Braunschweig University of Technology

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Georg Bretthauer

Karlsruhe Institute of Technology

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Jens Jäkel

Karlsruhe Institute of Technology

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Shutao Li

Karlsruhe Institute of Technology

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Stefan Dietze

Karlsruhe Institute of Technology

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Claus Nagel

Technical University of Berlin

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