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Three-dimensional trees for virtual globes
dc.contributor.author | Rebollo Santamaría, Cristina | |
dc.contributor.author | Remolar, Inmaculada | |
dc.contributor.author | Gumbau Portalés, Jesús | |
dc.contributor.author | Chover, Miguel | |
dc.date.accessioned | 2017-04-18T09:05:18Z | |
dc.date.available | 2017-04-18T09:05:18Z | |
dc.date.issued | 2014 | |
dc.identifier.citation | REBOLLO SANTAMARÍA, Cristina; REMOLAR QUINTANA, Inmaculada; GUMBAU PORTALÉS, Jesús; CHOVER SELLÉS, Miguel. Three-dimensional trees for virtual globes. International Journal of Digital Earth (2014), v. 7, issue 10, pp. 789-810 | ca_CA |
dc.identifier.uri | http://hdl.handle.net/10234/167232 | |
dc.description.abstract | One of the problems in virtual globes technologies is the real-time representation of vegetal species. In forest or garden representations, the low detailed plants produce a lack of realism. Efficient techniques are required to achieve accurate interactive visualisation due to the great number of polygons the vegetal species have. This article presents a multi-resolution model based on a geometric representation of vegetal species that allows the application to perform the progressive transmission of the model, that is, the transmission of a simple representation followed by successive refinements of it. It has a hardware-oriented design in order to obtain interactive frame rates. The geometric data of the objects are stored in the graphics processing unit and, moreover, the change from one approximation to another is obtained by performing mathematical calculations in this graphics hardware. The multi-resolution model presented here enables instancing: as many vegetal species as desired can be rendered with different levels of detail, while all of them are accessing the same geometric data. This model has been used to build a real-time representation of a not imaginary scenario. | ca_CA |
dc.description.sponsorShip | This work was supported by the Spanish Ministry of Science and Technology (Project TIN2010-21089-C03-03) and Feder Funds and Generalitat Valenciana (Project PROMETEO/2010/028). | ca_CA |
dc.format.extent | 22 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Taylor & Francis | ca_CA |
dc.relation.isPartOf | International Journal of Digital Earth (2014), v. 7, issue 10 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | Virtual globes | ca_CA |
dc.subject | Real-time rendering | ca_CA |
dc.subject | Vegetal species | ca_CA |
dc.subject | Level of detail | ca_CA |
dc.subject | Graphics hardware | ca_CA |
dc.subject | Progressive transmission | ca_CA |
dc.title | Three-dimensional trees for virtual globes | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1080/17538947.2013.783126 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://www.tandfonline.com/doi/full/10.1080/17538947.2013.783126 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
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