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Scene Graph Based Approach for Interoperable Virtual Globes

Scene Graph Based Approach for Interoperable Virtual Globes

Arne Schilling
Copyright: © 2012 |Volume: 1 |Issue: 2 |Pages: 23
ISSN: 2156-1710|EISSN: 2156-1702|EISBN13: 9781466615069|DOI: 10.4018/ij3dim.2012040104
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MLA

Schilling, Arne. "Scene Graph Based Approach for Interoperable Virtual Globes." IJ3DIM vol.1, no.2 2012: pp.46-68. http://doi.org/10.4018/ij3dim.2012040104

APA

Schilling, A. (2012). Scene Graph Based Approach for Interoperable Virtual Globes. International Journal of 3-D Information Modeling (IJ3DIM), 1(2), 46-68. http://doi.org/10.4018/ij3dim.2012040104

Chicago

Schilling, Arne. "Scene Graph Based Approach for Interoperable Virtual Globes," International Journal of 3-D Information Modeling (IJ3DIM) 1, no.2: 46-68. http://doi.org/10.4018/ij3dim.2012040104

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Abstract

In this paper, a concept for developing and setting up virtual globes is discussed, which is based on principles of interoperable 3D spatial data infrastructures. Open geospatial industry standards for data and web services are merged with computer graphics technology to create a global coherent framework for accessing and displaying 3D assets. The author discusses how the scene graph concept can be used in a Geoweb environment. The Web 3D Service (W3DS) interface is used for streaming data in a distributed web architecture. Using scene graph data structures for encoding, transmitting, and displaying city- and landscape models imposes new requirements to geospatial analysis. The support of transformations between coordinate reference systems is essential in this context. Scene graph transformations are described in detail including matrix calculations. X3D is discussed as potential exchange format. Experiments were conducted using freely available data of OpenStreetMap and SRTM.

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