BS Contact GEO 7.2 - Release Notes

Document version 1.1


Introduction

This document provides information about the new features and improvements in the most recent release of BS Contact GEO.
In depth technical documentation is available in the BS SDK.

Contents


Marseille, France. High-resolution 3D tiles. Automatically generated.

Full support of X3D Geospatial nodes

BS Contact Geo now supports the full range of geospatial nodes specified by X3D. See Geospatial component for a detailed reference.

BS Contact Geo also offers these additional nodes:

See the SDK for further details on these nodes.

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CityGML models

The CityGML format represents 3D urban models combined with meta-information. It is an open XML standard provided by the Open Geospatial Consortium (OGC). See http://www.citygml.org for further details.

CityGML-files can be included using the standard Inline node:

Inline { url "./myCityGMLModel.gml" }
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Google KMZ

With the latest version of BS Contact Geo you can now add KMZ models to your geospacial scene. KMZ files are compressed Collada files with an additional KML location-file. See the KML Documentation for further details.

KMZ-files can be included using the standard Inline node:

Inline { url "./myKMZModel.kmz" }
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HFZ / HF2

The GeoSphere node now supports the use of the elevation-data-format HF2 / HFZ / HF2.GZ. The compression in the basic HF2 files uses difference encoding of lines. Additionally HFZ files are compressed using zip-compression.

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Additional projections for GeoSystem

The GeoSystem node has been extended to allow a vast amount of cartographic projections, ellipsoids and coordinate systems. GeoSystem strings may now contain projection descriptions as defined by the PROJ.4 - Cartographic Projections Library
See the SDK on how to use these projections.


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SpaceMouse support for geo-navigation modes

The navigation modes GeoFly and GeoExamine now support the use of a 3D mouse. GeoFly is the default navigation mode and behaves similar to the navigation of other common GIS applications.


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Improved renderspeed and tile loading

The GeoSphere node and other geospacial nodes have been improved for better rendering performance and stability. Geospacial Vrml-World now adopt to the performace of the end-user machine. Tile-caching takes into account the available memory. The tile-rendering size is proportional to the display resolution. CPU usage for double-to-float conversion common in geospacial applications has been reduced.
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