A Vectorial Solver for Free-form Vector Gradient
hal.structure.identifier | Melting the frontiers between Light, Shape and Matter [MANAO] | |
hal.structure.identifier | Laboratoire Bordelais de Recherche en Informatique [LaBRI] | |
hal.structure.identifier | Laboratoire Photonique, Numérique et Nanosciences [LP2N] | |
dc.contributor.author | BOYÉ, Simon | |
hal.structure.identifier | Melting the frontiers between Light, Shape and Matter [MANAO] | |
hal.structure.identifier | Laboratoire Bordelais de Recherche en Informatique [LaBRI] | |
hal.structure.identifier | Laboratoire Photonique, Numérique et Nanosciences [LP2N] | |
dc.contributor.author | BARLA, Pascal | |
hal.structure.identifier | Laboratoire Bordelais de Recherche en Informatique [LaBRI] | |
hal.structure.identifier | Laboratoire Photonique, Numérique et Nanosciences [LP2N] | |
hal.structure.identifier | Melting the frontiers between Light, Shape and Matter [MANAO] | |
dc.contributor.author | GUENNEBAUD, Gael | |
dc.date.accessioned | 2023-05-12T10:25:33Z | |
dc.date.available | 2023-05-12T10:25:33Z | |
dc.date.issued | 2012-11-01 | |
dc.identifier.issn | 0730-0301 | |
dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/181251 | |
dc.description.abstractEn | The creation of free-form vector drawings as been greatly improved in recent years with techniques based on harmonic or bi-harmonic interpolation. Such methods offer the best trade-off between spar- sity (keeping the number of control points small) and expressivity (achieving complex shapes and gradients). Unfortunately, the lack of a robust and versatile method to compute such images still lim- its their use in real-world applications. In this paper, we introduce a vectorial solver for the computation of free-form vector gradi- ents. Based on Finite Element Methods (FEM), its key feature is to output a low-level vector representation suitable for very fast GPU accelerated rasterization and close-form evaluation. This interme- diate representation is hidden from the user: it is dynamically up- dated using FEM during drawing when control points are edited. Since it is output-insensitive, our approach enables novel possibili- ties for (bi)-harmonic vector drawings such as instancing, layering, deformation, texture and environment mapping. Finally, in this pa- per we also generalize and extend the set of drawing possibilities. In particular, we show how to locally control vector gradients. | |
dc.language.iso | en | |
dc.publisher | Association for Computing Machinery | |
dc.title.en | A Vectorial Solver for Free-form Vector Gradient | |
dc.type | Article de revue | |
dc.subject.hal | Informatique [cs]/Synthèse d'image et réalité virtuelle [cs.GR] | |
bordeaux.journal | ACM Transactions on Graphics | |
bordeaux.page | p. | |
bordeaux.hal.laboratories | Laboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298 | * |
bordeaux.institution | Université de Bordeaux | |
bordeaux.institution | CNRS | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-00732992 | |
hal.version | 1 | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-00732992v1 | |
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