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1. WO2018071013 - SUB-VOLUME OCTREES

Publication Number WO/2018/071013
Publication Date 19.04.2018
International Application No. PCT/US2016/056568
International Filing Date 12.10.2016
IPC
G06T 1/20 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
1General purpose image data processing
20Processor architectures; Processor configuration, e.g. pipelining
B33Y 50/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
50Data acquisition or data processing for additive manufacturing
CPC
B33Y 50/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
50Data acquisition or data processing for additive manufacturing
G05B 19/4099
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
4097characterised by using design data to control NC machines, e.g. CAD/CAM
4099Surface or curve machining, making 3D objects, e.g. desktop manufacturing
G05B 2219/35134
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
35Nc in input of data, input till input file format
351343-D cad-cam
G05B 2219/49023
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
49Nc machine tool, till multiple
490233-D printing, layer of powder, add drops of binder in layer, new powder
G06T 1/20
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
1General purpose image data processing
20Processor architectures; Processor configuration, e.g. pipelining
G06T 15/08
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
153D [Three Dimensional] image rendering
08Volume rendering
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • CARRUESCO LLORENS, Alex
  • VINACUA, Alvar
  • BRUNET, Pere
  • GONZALEZ, Sergio
  • GONZALEZ ROGEL, Jordi
  • COMINO, Marc
  • GIRALT ADROHER, Josep
  • ABELLO ROSELLO, Lluis
  • CORTES I HERMS, Sebastia
Agents
  • WOODWORTH, Jeffrey C.
  • FOR ADDITIONAL NAMES, see the attached copy of a General Power of Attorney
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SUB-VOLUME OCTREES
(FR) OCTREES DE SOUS-VOLUME
Abstract
(EN) In an example, a method includes receiving a first data model of an object to be generated in additive manufacturing, at a processor. Using the processor, a second data model may be determined. Determining the second data model may include generating for each of plurality of contiguous, non-overlapping sub-volumes of a volume containing the object, a sub-volume octree characterising the sub-volume and having a root node. Determining the second data model may further include generating a volume octree characterising the volume containing the object, the volume octree characterising in its lowest nodes the root nodes of the sub-volume octrees.
(FR) Dans un exemple, un procédé consiste à recevoir un premier modèle de données d'un objet à générer dans la fabrication additive, au niveau d'un processeur. A l'aide du processeur, un second modèle de données peut être déterminé. La détermination du second modèle de données peut consister à générer, pour chaque sous-volume de la pluralité de sous-volumes contigus, non chevauchants d'un volume contenant l'objet, un octree de sous-volume caractérisant le sous-volume et ayant un noeud racine. La détermination du second modèle de données peut en outre consister à générer un octree de volume caractérisant le volume contenant l'objet, l'octree de volume caractérisant dans ses noeuds les plus bas les noeuds racines des octrees de sous-volume.
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