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SIG 3D
Oslandia Team
FOSS4G FR 2014 – Paris
E-PLU Project
2013 20152010
PostGIS
GEOS SFCGAL
CGAL
PostGIS
GEOS SFCGAL
CGAL
ST_3DIntersectionST_TesselateST_3DAreaST_ExtrudeST_ForceLHRST_OrientationST_MinkowskiSumST_StraightSkeleton
SFCGAL functions
ST_3DIntersectionST_TesselateST_3DAreaST_ExtrudeST_ForceLHRST_OrientationST_MinkowskiSumST_StraightSkeleton
SFCGAL functions
2D Building Footprint
Straight Skeleton Extrusion & roof computation
ST_IntersectsST_3DIntersectsST_IntersectionST_AreaST_DistanceST_3DDistance
Both GEOS & SFCGAL
SET postgis.backend = 'geos' ;
SET postgis.backend = 'sfcgal' ;
Tests de regression PostGIS OK
GardenTest PostGIS OK
Géométries 3D invalides OK
Large communauté en cours
Performances SFCGAL similaires à celles de GEOS pour la 2D (avec le gain de la précision arbitraire)
Performances SFCGAL similaires à celles de GEOS pour la 2D (avec le gain de la précision arbitraire)
Mais certains traitements 3D peuvent prendre du temps
ISO 19107:2013
ISO 19125:2013
ὁράω
QGIS
Horao
OSG
OpenGL
https://vimeo.com/74869530
https://vimeo.com/74869530
PostGIS
GEOS SFCGAL
CGAL
QGIS
Horao
OSG
OpenGL
PostGIS www.postgis.org
SFCGAL www.sfcgal.org
Horao www.horao.net
QGIS www.qgis.org
http://www.postgis.org/http://www.sfcgal.org/http://www.horao.net/http://www.qgis.org/
2013 20152010
9:DIM 3D
WebGL
Textures
www.oslandia.com
https://github.com/Oslandia/presentations
https://github.com/Oslandia/Workshops
http://www.oslandia.com/https://github.com/Oslandia/presentationshttps://github.com/Oslandia/Workshops
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