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    Expeditious Modelling of Virtual Urban Environments with Geospatial L-systems

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    Date
    2007
    Author
    Coelho, A.
    Bessa, M.
    Sousa, A. Augusto
    Ferreira, F. Nunes
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    Abstract
    L-systems have been used in Computer Graphics, namely for modelling plants, as well as in a few experiments to model urban environments. However, the lack of geospatial awareness is a limitation and in spite of some developments like open L-systems, that introduced the ability to communicate with the environment, there was a need for more flexibility. This paper presents Geospatial L-systems, a new extension of L-systems that incorporates geospatial awareness, and shows an application in the area of expeditious modelling of urban environments. A modelling system, named XL3D, generates virtual urban environments automatically from a XML based document that contains a modelling specification and accesses data sources in an interoperable way. The integration of geospatial L-systems in this modelling system has increased the potential for automation and the potential to generate virtual urban environments with a higher level of detail and visual fidelity, with a lower level of complexity of the modelling processes. These facts are shown in a case study where a virtual urban environment, taken from an area in the Porto downtown, is generated by this solution.
    BibTeX
    @article {10.1111:j.1467-8659.2007.01032.x,
    journal = {Computer Graphics Forum},
    title = {{Expeditious Modelling of Virtual Urban Environments with Geospatial L-systems}},
    author = {Coelho, A. and Bessa, M. and Sousa, A. Augusto and Ferreira, F. Nunes},
    year = {2007},
    publisher = {The Eurographics Association and Blackwell Publishing Ltd},
    ISSN = {1467-8659},
    DOI = {10.1111/j.1467-8659.2007.01032.x}
    }
    URI
    http://dx.doi.org/10.1111/j.1467-8659.2007.01032.x
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    Eurographics Association copyright © 2013 - 2023 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA