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Dynamic on-mesh procedural generation control

hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
hal.structure.identifierThomson Multimedia R&D France
dc.contributor.authorBURON, Cyprien
hal.structure.identifierThomson Multimedia R&D France
dc.contributor.authorMARVIE, Jean-Eudes
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
dc.contributor.authorGUENNEBAUD, Gaël
hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
dc.contributor.authorGRANIER, Xavier
dc.date.accessioned2023-05-12T11:00:59Z
dc.date.available2023-05-12T11:00:59Z
dc.date.issued2014
dc.date.conference2014-08-10
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/182039
dc.description.abstractEnProcedural representations are powerful tools to generate highly detailed objects through amplification rules. However controlling such rules within environment contexts (e.g., growth on shapes) is restricted to CPU-based methods, leading to limited performances. To interactively control shape grammars, we introduce a novel approach based on a marching rule on the GPU. Environment contexts are encoded as geometry texture atlases, on which indirection pixels are computed around each chart borders. At run-time, the new rule is used to march through the texture atlas and efficiently jumps from chart to chart using indirection information. The underlying surface is thus followed during the grammar development. Moreover, additional texture information can be used to easily constrain the grammar interpretation. For instance, one can paint directly on the mesh allowed growth areas or the leaves density, and observe the procedural model adapt on-the-fly to this new environment. Finally, to preserve smooth geometry deformation at shape instantiation stage, we use cubic Bezier curves computed using a depth-first grammar traversal.
dc.language.isoen
dc.title.enDynamic on-mesh procedural generation control
dc.typeCommunication dans un congrès avec actes
dc.identifier.doi10.1145/2614106.2614129
dc.subject.halInformatique [cs]/Synthèse d'image et réalité virtuelle [cs.GR]
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.countryCA
bordeaux.title.proceedingSiggraph - talk program
bordeaux.conference.cityVancouver
bordeaux.peerReviewedoui
hal.identifierhal-01144672
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01144672v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2014&rft.au=BURON,%20Cyprien&MARVIE,%20Jean-Eudes&GUENNEBAUD,%20Ga%C3%ABl&GRANIER,%20Xavier&rft.genre=proceeding


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