WO2016121120A1 - 3次元造形システム、情報処理装置、3次元造形モデル配置方法および3次元造形モデル配置プログラム - Google Patents
3次元造形システム、情報処理装置、3次元造形モデル配置方法および3次元造形モデル配置プログラム Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/18—Manufacturability analysis or optimisation for manufacturability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to a technique for arranging a three-dimensional modeling model.
- Non-Patent Document 1 describes a problem of filling a two-dimensional plane using a NF (Next-fit Algorithm) method and a BLF (Bottom-Left-Fill) method by approximating a figure with a set of squares. Techniques for solving are disclosed. Patent Document 1 discloses a technique for combining and arranging a plurality of three-dimensional modeling models themselves on a workspace in a three-dimensional printer.
- NF Next-fit Algorithm
- BLF Bottom-Left-Fill
- An object of the present invention is to provide a technique for solving the above-described problems.
- an information processing apparatus provides: Grid generation means for generating a three-dimensional grid by dividing a three-dimensional virtual area by a predetermined size unit; Conversion means for converting a plurality of 3D modeling models into a collective model of the 3D grid including each 3D modeling model; Moving means for moving the collective model relatively so as not to overlap each other; When the arrangement of the collective model satisfies a predetermined condition, an arrangement determining unit that sets the arrangement of the collective model as an arrangement of the plurality of three-dimensional modeling models; Is provided.
- a 3D modeling model arrangement method includes: A grid generation step of generating a three-dimensional grid by dividing a three-dimensional virtual area by a predetermined size unit; Converting a plurality of three-dimensional modeling models into a collective model of the three-dimensional grid including each three-dimensional modeling model; A moving step of moving the collective model relatively so as not to overlap each other; When the arrangement of the collective model satisfies a predetermined condition, an arrangement determining step that sets the arrangement of the collective model as the arrangement of the plurality of three-dimensional modeling models; including.
- a three-dimensional modeling model arrangement program includes: A grid generation step of generating a three-dimensional grid by dividing a three-dimensional virtual area by a predetermined size unit; Converting a plurality of three-dimensional modeling models into a collective model of the three-dimensional grid including each three-dimensional modeling model; A moving step of moving the collective model relatively so as not to overlap each other; When the arrangement of the collective model satisfies a predetermined condition, an arrangement determining step that sets the arrangement of the collective model as the arrangement of the plurality of three-dimensional modeling models; Is executed on the computer.
- a three-dimensional modeling system includes: Model generation means for generating a three-dimensional modeling model from data representing the three-dimensional structure; Model placement means for placing a plurality of the three-dimensional modeling models in a three-dimensional virtual area corresponding to a modeling area for modeling the three-dimensional structure, According to the arrangement result of the plurality of three-dimensional modeling models by the model arrangement unit, a layered modeling unit that models the plurality of three-dimensional models in the modeling area;
- the model placement means includes: Grid generation means for generating a three-dimensional grid by dividing the three-dimensional virtual area by a predetermined size unit; Conversion means for converting a plurality of the three-dimensional modeling models into an aggregate model of the three-dimensional grid including each three-dimensional modeling model; Moving means for moving the collective model relatively so as not to overlap each other; When the arrangement of the collective model satisfies a predetermined condition, an arrangement determining unit that sets the arrangement of the collective model as an arrangement of the plurality of three-dimensional modeling
- a plurality of three-dimensional modeling models can be efficiently combined and arranged by a simple process.
- the information processing apparatus 100 is an apparatus that arranges a three-dimensional modeling model.
- the information processing apparatus 100 includes a grid generation unit 101, a conversion unit 102, a movement unit 103, and an arrangement determination unit 104.
- the grid generation unit 101 generates a three-dimensional grid by dividing a three-dimensional virtual area by a predetermined size unit.
- the conversion unit 102 converts a plurality of three-dimensional modeling models into a three-dimensional grid collective model including each three-dimensional modeling model.
- the moving unit 103 moves the collective models relatively so as not to overlap each other.
- the arrangement determination unit 104 sets the arrangement of the collective model as the arrangement of a plurality of three-dimensional modeling models when the arrangement of the collective model satisfies a predetermined condition.
- the three-dimensional modeling model arrangement according to this embodiment is converted into a collective model having a cube of a predetermined size as a grid, and the collective models are moved so as not to overlap each other. Generate a combined arrangement of 3D modeling models.
- FIG. 2 is a diagram showing an operation outline of the three-dimensional modeling model arrangement 200 according to the present embodiment.
- FIG. 2 shows a process for searching for an appropriate arrangement from two three-dimensional modeling models of a desk and a chair.
- the appropriate arrangement is an arrangement that efficiently realizes the layered modeling, for example, the layered direction (Z direction) is short, and the space between the three-dimensional model is small and densely modeled. What can be done. With such an appropriate arrangement, the molding time can be shortened with a small number of laminated materials.
- an N ⁇ N ⁇ N grid aggregate 210 for preparing a three-dimensional modeling model as a set of three-dimensional grids is prepared.
- Each grid is a cube of a predetermined size.
- the predetermined size is a size that can include the constituent parts of the three-dimensional modeling model and can maintain the distance from the constituent parts of the other three-dimensional modeling model at a distance greater than that required for additive manufacturing.
- the desk 201 and the chair 202 are converted into a desk collective model 211 and a chair collective model 212, respectively, so that the cubic grid includes a three-dimensional modeling model.
- the desk collective model 211 and the chair collective model 212 are initially arranged in a virtual area of additive manufacturing. Thereafter, the collective models 211 and 212 are subjected to a relative movement process according to a predetermined algorithm, on condition that the stacking direction (Z direction) is short, the space between the three-dimensional modeling models is small, and can be densely modeled.
- the final arrangement 220 is determined.
- the 3D modeling model data of the desk 201 and the chair 202 included in the collective models 211 and 212 of the final arrangement 220 is supplied to the 3D modeling apparatus, and the desk 221 and the chair 222 are simultaneously layered.
- the desk 221 and the chair 222 can be densely modeled with a short stacking direction (Z direction) and a small space, so that the modeling time is shortened with a small number of laminated materials.
- FIG. 3 is a block diagram illustrating a functional configuration of the three-dimensional modeling system 300 according to the present embodiment.
- the 3D modeling system 300 generates a 3D model based on data including the information processing apparatus 310 for arranging the 3D modeling model according to the present embodiment and the arrangement of the 3D modeling model from the information processing apparatus 310.
- a three-dimensional modeling apparatus 320 that performs layered modeling.
- the three-dimensional modeling system 300 includes a model generation device that generates a three-dimensional modeling model from data of a three-dimensional modeled object. Such a model generation device may be included in the information processing device 310.
- the information processing apparatus 310 may be a general-purpose computer such as a PC (personal computer).
- the information processing apparatus 310 includes a communication control unit 311, a 3D modeling model arrangement unit 312, a display unit 313, an operation unit 314, a 3D modeling file 315, and a 3D modeling model acquisition unit 316.
- the 3D modeling model acquisition unit 316 serves as a 3D modeling model generation unit.
- the communication control unit 311 controls communication with the 3D modeling apparatus 320 or the model generation apparatus which is an external device.
- the 3D modeling model placement unit 312 uses the data stored in the 3D modeling file 315 in accordance with an input or operation by the operator from the operation unit 314 in accordance with the operation instruction displayed on the display unit 313. Is placed in the virtual area of additive manufacturing.
- the display unit 313 notifies the status of the information processing apparatus 310 and requests the operator to input parameters necessary for arranging the three-dimensional modeling model.
- the operation unit 314 includes a keyboard, a pointing device, a touch panel, and the like, and accepts an input and an operation instruction from an operator according to an instruction displayed on the display unit 313.
- the 3D modeling file 315 stores data of a 3D modeling model, an arrangement algorithm, an arrangement parameter, and the like, which are data used by the 3D modeling model arrangement unit 312 to arrange the 3D modeling model.
- the three-dimensional modeling model acquisition unit 316 acquires a three-dimensional modeling model provided from the model generation device via the communication control unit 311 or from a storage medium or the like via an I / O interface.
- the 3D modeling apparatus 320 is a so-called 3D printer, and includes a modeling control unit 321 and a layered modeling unit 322.
- the modeling control unit 321 controls the modeling process of the three-dimensional modeled object in the layered modeling unit 322 according to the data of the three-dimensional modeling model including the arrangement data received from the information processing device 310.
- the modeling control unit 321 executes material provision control, stack width control, material curing control, and the like according to each stack pattern.
- the layered modeling unit 322 realizes layered modeling of a three-dimensional modeled object based on the modeling method of the three-dimensional modeling apparatus 320 according to the modeling control unit 321.
- FIG. 4 is a block diagram illustrating a functional configuration of the three-dimensional modeling model arrangement unit 312 of the information processing apparatus 310 according to the present embodiment.
- FIG. 4 for example, all the connection lines to the functional components that use the data of the three-dimensional modeling file 315 are not shown.
- FIG. 4 also shows a functional component connected to the three-dimensional modeling model placement unit 312.
- the three-dimensional modeling model arrangement unit 312 includes a display control unit 401, a parameter acquisition unit 402, a layered modeling virtual area generation unit 403, a three-dimensional grid generation unit 404, a collective model initial arrangement unit 405, and a collective model moving unit. 406, a collective model overlap determination unit 407, a collective model arrangement determination unit 408, and an arrangement information output unit 409.
- the 3D modeling file 315 connected to the 3D modeling model arrangement unit 312 includes an arrangement control algorithm table 451, an arrangement control parameter table 452, and a 3D modeling model file 453.
- the display control unit 401 causes the display unit 313 to display the arrangement state of the three-dimensional modeling model and operator instructions.
- the parameter acquisition unit 402 acquires parameters necessary for the arrangement of the 3D modeling model input from the operation unit 314 by the operator.
- the parameters include, for example, an arrangement target position in the virtual area of the three-dimensional modeling model, a threshold value for determining completion of arrangement, the number of processing times, and the like.
- the grid shape, grid size, movement size, non-rotatable direction, and the like may be set by the operator.
- the layered modeling virtual area generation unit 403 corresponds to the layered modeling unit 322 of the three-dimensional modeling apparatus 320 stored in the layout control parameter table 452 of the three-dimensional modeling file 315, and is a target area for the layout of the three-dimensional model.
- a virtual area of the additive manufacturing is generated.
- the virtual area is preferably divided into virtual grids having the same size as the three-dimensional grid that includes the three-dimensional modeling model.
- the three-dimensional grid generation unit 404 uses the arrangement control parameters stored in the arrangement control parameter table 452 according to the algorithm stored in the arrangement control algorithm table 451, and includes a three-dimensional modeling model that fits in the virtual area.
- a three-dimensional grid is generated.
- the collective model initial placement unit 405 performs initial placement as a three-dimensional grid collective model including a plurality of three-dimensional modeling models to be combined and placed according to the placement control parameters stored in the placement control parameter table 452. For example, the initial arrangement is moved around the virtual area and the center of the virtual area is moved as the target position, or the initial arrangement is moved toward the virtual area around the virtual area.
- the collective model moving unit 406 uses the placement control parameters stored in the placement control parameter table 452 in accordance with the algorithm stored in the placement control algorithm table 451, and initially sets a 3D grid collective model of a plurality of 3D modeling models. Move from placement to grid units.
- the collective model overlap determination unit 407 determines whether or not an overlap has occurred in the three-dimensional grid collective model of the plurality of three-dimensional modeling models due to the temporary movement by the collective model moving unit 406. If the collective model overlap determining unit 407 determines an overlap, the collective model moving unit 406 stops the temporary movement, selects another movement, and repeats the temporary movement.
- the collective model arrangement determining unit 408 has a predetermined condition 481 for determining that the appropriate arrangement of the three-dimensional grid collective model of the three-dimensional modeling model has been completed, and the sum of the distances from the target positions between the three-dimensional grid collective models. Is determined to be an appropriate arrangement.
- the arrangement information output unit 409 outputs the data of the 3D modeling model including the arrangement data to the 3D modeling apparatus 320 via the communication control unit 311 when the collective model arrangement determination unit 408 determines that the arrangement is appropriate. To do.
- FIG. 5 is a diagram showing a configuration of the arrangement control algorithm table 451 according to the present embodiment.
- the arrangement control algorithm table 451 stores a control algorithm for arranging the three-dimensional modeling model of the present embodiment in the virtual area. Note that the configuration of the placement control algorithm table 451 is not limited to FIG.
- the arrangement control algorithm table 451 stores an arrangement processing condition 502 and an arrangement control program 503 in association with the arrangement control algorithm ID 501.
- the arrangement processing condition 502 includes arrangement accuracy, arrangement speed, the number of three-dimensional modeling models, a three-dimensional modeling apparatus (3D printer) to be used, and the like.
- the outline of the arrangement control algorithm is a process of generating a three-dimensional grid aggregate model including a three-dimensional modeling model and repeating the movement of the grid unit of the three-dimensional grid aggregate model.
- An appropriate placement control program 503 is stored corresponding to the placement processing condition 502.
- FIG. 6A is a diagram showing a configuration of the arrangement control parameter table 452 according to the present embodiment.
- the placement control parameter table 452 stores parameters used in the placement control program 503. Such parameters include those that are automatically set corresponding to the 3D modeling apparatus 320 to be used, and those that are set by the operator from the operation unit 314.
- the layered modeling virtual area 612 In association with the modeling model ID 611 that is the target of the layout control, the layered modeling virtual area 612, the final layout target position information 613, the initial layout position information 614, the grid size information 615, and the generated collective model
- the control information 616 of the moving distance and moving direction is stored. Furthermore, a rotation permission / inhibition flag 617 indicating whether or not rotation is permitted and a predetermined condition 481 for determining whether or not an appropriate arrangement has been reached are stored.
- the predetermined condition 481 includes a threshold value of the sum of distances from the target position and the number of movement processes.
- the generated movement distance and movement direction control information 616 of the collective model stores X-axis direction information 661, Y-axis direction information 662, and Z-axis direction information 663.
- Each information is a moving distance in grid units (in this example, one grid is used, but the moving distance is not limited.
- the moving distance may be selected based on the convergence speed and convergence accuracy to the proper arrangement), and the movement in the center direction. , And priority of movement in the peripheral direction.
- FIG. 6B and FIG. 6C show parameters for setting the priority in the direction of moving the collective area of the three-dimensional grid in the region equally divided into eight with the center of the XY plane of the virtual area as the target position.
- FIG. 6D and FIG. 6E parameters for setting the priority in the direction of moving in the collective area of the three-dimensional grid in the area divided into 26 with the center of the virtual area (X, Y, Z) as the target position are shown. Show. In FIG.
- the target position is the center of the virtual area, but it is desirable that the first target position of the three-dimensional modeling model be the bottom of the solid.
- the weighting of the arrangement control parameter is not limited to the division examples and parameter examples in FIGS. 6B to 6E.
- the movement in one grid unit includes the movement in the diagonal direction, but the movement unit may not be one grid, and the movement in the diagonal direction is omitted, and the one-way movement in the priority direction is performed.
- the configuration may be simple and the movement can be easily synchronized.
- FIG. 6B is a diagram showing a specific example of the virtual area for additive manufacturing according to the present embodiment.
- the target position 621 is set in the center of the XY plane of the virtual area 620 for additive manufacturing.
- the XY plane is divided into eight equally divided regions (a) to (h).
- FIG. 6C is a diagram showing a specific example of the placement control parameters in the layered modeling virtual area 620 of FIG. 6B according to the present embodiment.
- FIG. 6C shows the priority 630 of the movement direction in the XY direction in the virtual area 620 for additive manufacturing, and the movement control and rotation control 640 in the Z direction in the virtual area 620 for additive manufacturing.
- the movement direction priority 630 in the XY direction stores the movement direction 632 in the priority order in the current region of the collective model according to the priority order 631 of “1” (highest) to “8” (lowest).
- (x, y) indicates the number of moving grids in the X-axis direction and the number of moving grids in the Y-axis direction
- “1” is one grid movement in the positive direction of each axis
- “ ⁇ 1” is 1 grid movement in the minus direction of each axis
- “0” indicates no movement in each axis direction.
- x and y are not “0”, it represents a movement in an oblique direction.
- the collective model moves as far as possible toward the center target position 621.
- the movement control and rotation control 640 in the Z direction stores a permitted process 642 and a non-permitted process 643 in association with each movement process 641.
- the movement in the Z direction first, assuming that the position of the current collective model in the Z-axis direction is “z”, the movement of “ ⁇ z” is attempted, and if it cannot be performed, “ ⁇ (z ⁇ 1)”, ..., try in order of 0.
- the respective probabilities are “Ph” and “Pv”, and rotations of ⁇ 90 degrees and +90 degrees are tried randomly.
- permission, non-permission, Ph, and Pv are explicitly instructed by the operator, but may be automatically set in the information processing apparatus 310.
- FIG. 6D is a diagram illustrating another specific example of the virtual area of the layered manufacturing according to the present embodiment.
- a target position 651 is set in the center of the layered modeling virtual area 650.
- FIG. 6D shows nine regions (A) to (I) in the upper direction in the left diagram, eight regions (J) to (Q) in the middle in the middle, and nine regions in the lower direction in the right diagram. Regions (R) to (Z) are shown separately.
- black circles and white circles indicate intersections closest to the corners when the outer surfaces of the virtual area 650 are equally divided into 16, and a straight line from the target position 651 to each intersection is a dividing line of the region.
- a black circle is an intersection on the surface where the perspective view of the virtual area 650 can be seen, and a white circle is an intersection on the surface where the perspective view of the virtual area 650 is not visible.
- the division in FIG. 6D is an example, and the present invention is not limited to this.
- FIG. 6E is a diagram illustrating another specific example of the arrangement control parameter in the virtual area of the additive manufacturing according to the present embodiment.
- the priority 660 of the moving direction in the XYZ direction in the virtual area 650 of additive manufacturing is shown.
- the moving direction priority 660 in the XYZ direction stores the moving direction 662 in the priority order in the current region of the collective model according to the priority order 661 of “1” (highest) to “26” (lowest).
- (x, y, z) indicates the number of moving grids in the X-axis direction, the number of moving grids in the Y-axis direction, and the number of moving grids in the Z-axis direction
- “1” is a plus for each axis.
- 1 grid movement in the direction “ ⁇ 1” indicates 1 grid movement in the minus direction of each axis
- “0” indicates no movement in each axis direction.
- Region (I) is a region directly above the target position
- region (Z) is a region directly below the target position.
- the initial target position of the 3D modeling model is the bottom of the solid Is desirable.
- FIG. 7 is a diagram showing a configuration of the three-dimensional modeling model file 453 according to the present embodiment.
- the 3D modeling model file 453 stores data of the 3D modeling model acquired by the 3D modeling model acquisition unit 316.
- the three-dimensional modeling model file 453 is associated with the three-dimensional modeling model ID 701, the data format 702 representing the three-dimensional modeling model, the range 703 of the stacking width, and the three-dimensional modeling model data 704 represented by the data format 702. And store.
- the data format 702 includes, but is not limited to, STL (Standard Triangulated Language) and DXF (Drawing Exchange Format). In the processing of this embodiment, the STL format is used, and if it is another data format, it is converted.
- FIG. 8 is a block diagram illustrating a hardware configuration of the information processing apparatus 310 according to the present embodiment.
- a CPU (Central Processing Unit) 810 is a processor for arithmetic control, and implements a functional configuration unit of the information processing apparatus 310 in FIG. 3 by executing a program.
- a ROM (Read Only Memory) 820 stores initial data and fixed data such as a program.
- the communication control part 311 communicates with another communication terminal and each server via a network.
- the number of CPUs 810 is not limited to one, and may be a plurality of CPUs or a GPU (GraphicsGraphProcessing Unit) for image processing.
- the communication control unit 311 has a CPU independent of the CPU 810 and writes or reads transmission / reception data in a RAM (Random Access Memory) 840 area.
- the input / output interface 860 preferably has a CPU independent of the CPU 810 and writes or reads input / output data to / from the area of the RAM 840. Therefore, the CPU 810 recognizes that the data has been received or transferred to the RAM 840 and processes the data. Further, the CPU 810 prepares the processing result in the RAM 840 and leaves the subsequent transmission or transfer to the communication control unit 311, the DMAC, or the input / output interface 860.
- DMAC Direct Memory Access Control
- the RAM 840 is a random access memory that the CPU 810 uses as a work area for temporary storage.
- the RAM 840 has an area for storing data necessary for realizing the present embodiment.
- the three-dimensional grid aggregate model 841 is data converted into a grid aggregate of the number of three-dimensional modeling models.
- the layered modeling virtual area data 842 is virtual area data representing the modeling area of the layered modeling unit 322 of the three-dimensional modeling apparatus 320.
- the three-dimensional grid aggregate model 843 at the current position is current data after movement of each three-dimensional grid aggregate model.
- the overlap determination flag 844 is a flag indicating an overlap determination result with another three-dimensional grid aggregate model when each three-dimensional grid aggregate model is temporarily moved.
- the predetermined condition flag 845 is a flag indicating a determination result as to whether or not the arrangement of a plurality of three-dimensional grid aggregate models satisfies a predetermined condition.
- the three-dimensional grid aggregate model 846 at the final position is data of the three-dimensional grid aggregate model when the predetermined condition flag 845 indicates that the predetermined condition is satisfied.
- the input / output data 847 is data input / output via the input / output interface 860.
- Transmission / reception data 848 is data transmitted / received via the communication control unit 311.
- the storage 850 stores a database, various parameters, or the following data or programs necessary for realizing the present embodiment.
- the placement control algorithm table 451 stores algorithms according to placement processing conditions.
- the placement control parameter table 452 stores parameters used in the placement control algorithm.
- the 3D modeling model file 453 stores data of a 3D modeling model whose arrangement is controlled.
- the storage 850 stores the following programs.
- the information processing device control program 851 is a control program that controls the entire information processing device 310.
- the three-dimensional grid generation module 852 is a module that generates a three-dimensional grid for generating a three-dimensional grid aggregate model from the three-dimensional modeling model.
- the three-dimensional grid aggregate model generation module 853 is a module that generates a three-dimensional grid aggregate model including the three-dimensional modeling model.
- the collective model initial arrangement module 854 is a module that initially arranges the collective model in accordance with the arrangement control algorithm of the collective model of the three-dimensional grid.
- the collective model movement module 855 is a module that controls movement of a collective model of a plurality of three-dimensional grids.
- the arrangement information output module 856 is a module that determines whether the movement result of the collective model of a plurality of three-dimensional grids satisfies a predetermined condition, and outputs arrangement result information when satisfied.
- the input / output interface 860 interfaces input / output data with input / output devices.
- a display unit 313 and an operation unit 314 are connected to the input / output interface 860.
- a storage medium control device 861 is connected.
- RAM 840 and the storage 850 in FIG. 8 do not show programs and data related to general-purpose functions and other realizable functions that the information processing apparatus 310 has.
- FIG. 9 is a diagram showing a configuration of the three-dimensional grid aggregate model generation table 900 according to the present embodiment.
- the 3D grid aggregate model generation table 900 is generated in the RAM 840 of FIG. 8 and is used to generate a 3D grid aggregate model from the 3D modeling model.
- the 3D grid aggregate model generation table 900 associates the 3D modeling model ID 901 with the 3D grid shape 902, the 3D grid size 903, and the generated 3D grid aggregate model data 904.
- the other model 905 modeled together is memorize
- FIG. 10 is a diagram showing a configuration of the combination search table 1000 according to the present embodiment.
- the combination search table 1000 is generated by including the data of FIG. 8 in the RAM 840 of FIG. 8, and is used to search for an appropriate combination arrangement of a plurality of three-dimensional grid aggregate models.
- the combination search table 1000 is associated with the first set model 1001 to the n-th set model 1002 which are a plurality of three-dimensional grid set models, the overlap determination result 1003 after the temporary movement, and the appropriate arrangement after the movement is completed.
- a predetermined condition flag 1004 indicating that the event has occurred is stored.
- Each of the first aggregate model 1001 to the n-th aggregate model 1002 stores model data before movement, a movement direction, and model data after movement. For the moving direction, for example, the moving direction shown in FIG. 6C is stored.
- FIG. 11 is a flowchart illustrating a procedure of the 3D modeling model arrangement process of the information processing apparatus 310 according to the present embodiment. This flowchart is executed by the CPU 810 in FIG. 8 using the RAM 840, and implements the functional components of the information processing apparatus 310 in FIG. 3, in particular, the three-dimensional modeling model placement unit 312.
- step S1101 the information processing apparatus 310 replaces the three-dimensional modeling model with an N ⁇ N ⁇ N three-dimensional grid aggregate model (grid model generation process).
- step S1103 the information processing apparatus 310 initially arranges all the three-dimensional grid aggregate models to be modeled together in the virtual area (modeling area) for layered modeling.
- step S1105 the information processing apparatus 310 temporarily moves the three-dimensional grid aggregate model one grid at a time.
- the moving direction is weighted so as to move to the place where the model in the modeling area is to be collected. For example, the priority order shown in FIG. 6C is followed.
- step S1107 if the information processing apparatus 310 collides (overlaps) with another three-dimensional grid aggregate model as a result of the temporary movement, the information processing apparatus 310 cancels the temporary movement and tries again in another movement direction.
- steps S1105 and S1107 are referred to as “combination search processing”.
- the information processing apparatus 310 calculates a distance from the target position and obtains an evaluation value in step S1109. In step S1111, the information processing apparatus 310 stores the position information when the evaluation value is the best so far. In step S ⁇ b> 1113, the information processing apparatus 310 repeats until the evaluation value satisfies the set condition or is executed the designated number of times.
- FIG. 12A is a flowchart showing a procedure of grid model generation processing (S1101) according to the present embodiment.
- the information processing apparatus 310 repeats the processing from steps S1213 to S1217 for all three-dimensional modeling models in steps S1211 to S1219.
- step S ⁇ b> 1213 the information processing apparatus 310 obtains the number of grids when the grid is divided into cubes that are three-dimensional grids from the external size of the three-dimensional modeling model.
- step S1215 the information processing apparatus 310 prepares an array of three-dimensional grids corresponding to the number of grids.
- step S1217 the information processing apparatus 310 performs an intersection determination between each grid and the three-dimensional modeling model, and “1” is set for the three-dimensional grid of the array element corresponding to the crossed grid, and “ Set to 0 ”. As a result, a collective model using a three-dimensional grid in which “1” is set is generated.
- FIG. 12B is a flowchart showing the procedure of the combination search process (S1105 and S1107) according to this embodiment.
- steps S1221 to S1235 the information processing apparatus 310 repeats the processing from steps S1223 to S1233 for all three-dimensional modeling models. Further, in steps S1223 to S1229, the information processing apparatus 310 repeats the processes of steps S1225 and S1227 until there is no movement pattern for each three-dimensional modeling model according to the weight (priority order) of the movement pattern (see FIG. 6C). .
- step S1225 the information processing apparatus 310 temporarily moves in units of grids based on the movement pattern.
- step S ⁇ b> 1227 the information processing apparatus 310 determines whether it collides (overlaps) with another three-dimensional grid aggregate model using the three-dimensional grid array. If there is a collision, the temporary movement is canceled and the movement in the direction of the next priority is repeated. If there is no collision, the information processing apparatus 310 determines the movement of the three-dimensional grid aggregate model in step S1233.
- the information processing apparatus 310 proceeds from step S1229 to S1231, and the target three-dimensional grid aggregate model Give up moving and keep the original position.
- a suitable arrangement is searched while moving by converting to a cubic grid aggregate model including each three-dimensional modeling model, a plurality of three-dimensional modeling models can be efficiently combined with simple processing. Can be arranged.
- the three-dimensional modeling model arrangement according to the present embodiment is different from the second embodiment in that the cube grid is gradually reduced in size so that an accurate arrangement can be achieved with simple processing. Since other configurations and operations are the same as those of the second embodiment, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.
- FIG. 13 is a diagram showing an outline of the operation of the three-dimensional modeling model arrangement 1300 according to this embodiment.
- FIG. 13 like in FIG. 2A, the same reference numerals are given to the elements, and description thereof is omitted.
- an arrangement 1310 with a reduced grid size is generated in order to realize a more appropriate arrangement.
- the grid size in the second embodiment is halved and a desk three-dimensional grid set model 1311 and a chair three-dimensional grid set model 1312 are generated.
- the temporary movement and the overlap determination are repeated to search for an appropriate combination arrangement.
- the 3D modeling model 1322 of the chair that could not be arranged under the desk in the final arrangement 220 is included in the outer shape of the 3D modeling model 1321 of the desk. Can be arranged.
- the stacking height is reduced to the height of the desk.
- position which a chair is contained in the external shape of a desk like this example the distance of a chair and a desk can be brought close to the minimum distance which can be layered.
- the grid size is gradually reduced, and a rough layout is initially performed, and then a detailed layout is sequentially performed, so that a search time for an appropriate combination layout can be shortened, and a final layout 1320 having a half size can be obtained.
- the stacking volume by reducing the stacking volume and making it dense, the stacking material can be reduced and the stacking time can be shortened.
- the reduction in grid size is not limited to half. Further, the number of stages of reduction of the grid size to the minimum size corresponding to the minimum distance between the three-dimensional structures is appropriately selected depending on the complexity of the shape of the three-dimensional structure. Also, the initial grid size changes depending on the number of steps.
- FIG. 14 is a diagram showing a configuration of a three-dimensional grid aggregate model generation table 1400 according to the present embodiment.
- the same reference numerals are given to the same elements as those in FIG. 9, and the description thereof will be omitted.
- the first size 1403,..., The nth size 1404 are stored in the 3D grid aggregate model generation table 1400.
- the first size 1403 includes the grid size and data of the generated three-dimensional grid aggregate model.
- the nth size 1404 includes the grid size and data of the generated three-dimensional grid aggregate model.
- FIG. 15 is a flowchart illustrating a procedure of the 3D modeling model arrangement process of the information processing apparatus 310 according to the present embodiment. This flowchart is executed by the CPU 810 in FIG. 8 using the RAM 840, and implements the functional components of the information processing apparatus 310 in FIG. 3, in particular, the three-dimensional modeling model placement unit 312. In FIG. 15, steps similar to those in FIG. 11 are denoted by the same step numbers and description thereof is omitted.
- step S1515 the information processing apparatus 310 reduces the grid size and repeats the model arrangement until the minimum distance between the three-dimensional structures can be formed.
- a plurality of three-dimensional modeling models can be combined and arranged with high accuracy by simple processing.
- the three-dimensional modeling model arrangement according to the present embodiment considers the relationship with the layered modeling direction of the three-dimensional modeled object in the arrangement of the three-dimensional modeling model, It is different in that the arrangement is suitable for additive manufacturing. Since other configurations and operations are the same as those of the second embodiment or the third embodiment, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.
- FIG. 16 is a diagram showing an operation outline of the three-dimensional modeling model arrangement 1600 according to the present embodiment.
- elements similar to those in FIG. 2A are denoted by the same reference numerals, and description thereof is omitted.
- FIG. 16 it is assumed that a precise pattern is applied to the back of the chair 202. In addition, it is assumed that it is preferable to stack the top of the desk first, rather than stacking the desk legs first.
- the movement and overlap determination between the desk three-dimensional grid aggregate model and the chair three-dimensional grid aggregate model are repeated, resulting in a final arrangement 1620 in consideration of the characteristics of the three-dimensional structure.
- the desk 3D modeling model 1621 is included in the top of the desk
- the chair 3D modeling model 1622 is included in the outer shape of the desk
- the backrest is in the direction of the lamination plane.
- FIG. 17 is a diagram showing a configuration of the arrangement control parameter table 1700 according to the present embodiment.
- the same elements as those in FIG. 6A are denoted by the same reference numerals, and the description thereof is omitted.
- the arrangement control parameter table 1700 stores arrangement direction condition information 1719 that is a condition of the arrangement direction.
- the arrangement direction condition information 1719 includes a first model condition 1791 that is a stacking characteristic of the first three-dimensional modeling model, a second model condition 1792, and an nth model condition 1793.
- Each model condition includes a preferred arrangement direction, a possible arrangement direction, and an impossible arrangement direction.
- FIG. 18 is a diagram showing the configuration of the combination search table 1800 according to this embodiment.
- the same elements as those in FIG. 10 are denoted by the same reference numerals, and the description thereof is omitted.
- the combination search table 1800 stores a first aggregate model 1801 and an nth aggregate model 1802.
- Each collective model stores a preferential arrangement which is a preferential arrangement direction and an arrangement prohibition indicating an arrangement direction to be prohibited, and a moving direction including rotation of the three-dimensional grid aggregate model determined with reference to them is stored.
- FIG. 19 is a flowchart illustrating the procedure of the 3D modeling model arrangement process of the information processing apparatus 310 according to the present embodiment. This flowchart is executed by the CPU 810 in FIG. 8 using the RAM 840, and implements the functional components of the information processing apparatus 310 in FIG. 3, in particular, the three-dimensional modeling model placement unit 312. In FIG. 19, steps similar to those in FIG. 11 are denoted by the same step numbers, and description thereof is omitted.
- the information processing apparatus 310 After generating the three-dimensional grid aggregate model from the three-dimensional modeling model in step S1101, the information processing apparatus 310 considers priority arrangement and prohibition of arrangement in step S1903, and selects all three-dimensional grid aggregate models to be modeled together. Arrange in the virtual area (modeling area).
- FIG. 20 is a flowchart showing the procedure of the combination search process (S1105 and S1107) according to this embodiment. In FIG. 20, the same steps as those in FIG.
- step S2024 the information processing apparatus 310 selects a movement pattern in consideration of priority arrangement and prohibition arrangement.
- a combination arrangement suitable for the 3D modeling can be obtained by a simple process. can do.
- a device that generates a three-dimensional modeling model a device that arranges the three-dimensional model for a three-dimensional modeling device (information processing device), and a three-dimensional creation device (3D printer)
- the information processing apparatus generates a 3D modeling model from data representing the 3D modeling object, and the 3D modeling data based on the data of the 3D modeling model and the arrangement data thereof.
- a modeling data transmitting unit that generates modeling data for the object and transmits the data to the additive manufacturing apparatus for the three-dimensional model.
- the present invention may be applied to a system composed of a plurality of devices, or may be applied to a single device. Furthermore, the present invention can also be applied to a case where an information processing program that implements the functions of the embodiments is supplied directly or remotely to a system or apparatus. Accordingly, in order to realize the functions of the present invention on a computer, a program including a 3D modeling model arrangement program installed in the computer, a medium storing the program, and a WWW (World Wide Web) server for downloading the program are also included.
- a non-transitory computer readable medium storing a program for causing a computer to execute the processing steps included in the above-described embodiments is included in the scope of the present invention.
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Abstract
Description
3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成手段と、
複数の3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換手段と、
前記集合モデルを、互いに重ならないように相対的に移動させる移動手段と、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定手段と、
を備える。
3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成ステップと、
複数の3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換ステップと、
前記集合モデルを、互いに重ならないように相対的に移動させる移動ステップと、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定ステップと、
を含む。
3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成ステップと、
複数の3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換ステップと、
前記集合モデルを、互いに重ならないように相対的に移動させる移動ステップと、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定ステップと、
をコンピュータに実行させる。
3次元造形物を表わすデータから3次元造形モデルを生成するモデル生成手段と、
前記3次元造形物を造形する造形エリアに対応する3次元の仮想エリアに、複数の前記3次元造形モデルを配置するモデル配置手段と、
前記モデル配置手段による複数の前記3次元造形モデルの配置結果に従って、前記造形エリアにおいて複数の前記3次元造形物を造形する積層造形手段と、
を備え、
前記モデル配置手段は、
前記3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成手段と、
複数の前記3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換手段と、
前記集合モデルを、互いに重ならないように相対的に移動させる移動手段と、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定手段と、
を有する。
本発明の第1実施形態としての情報処理装置100について、図1を用いて説明する。情報処理装置100は、3次元造形モデルを配置する装置である。
次に、本発明の第2実施形態に係る情報処理装置における3次元造形モデル配置について説明する。本実施形態に係る3次元造形モデル配置においては、3次元造形モデルを所定サイズの立方体をグリッドとする集合モデルに変換し、集合モデルが重ならないように移動して、積層造形において効率的な3次元造形モデルの組み合わせ配置を生成する。
図2は、本実施形態に係る3次元造形モデル配置200の動作概要を示す図である。図2には、机と椅子の2つの3次元造形モデルから適切な配置を探索する処理を示している。ここで、適切な配置とは、本実施形態において、積層造形を効率的に実現する配置であり、例えば、積層方向(Z方向)が短いこと、3次元造形モデル間の空間が少なく密に造形できること、などが挙げられる。このような適切な配置をすれば、少ない積層材料によりかつ造形時間を短くすることができる。
図3は、本実施形態に係る3次元造形システム300の機能構成を示すブロック図である。
図4は、本実施形態に係る情報処理装置310の3次元造形モデル配置部312の機能構成を示すブロック図である。なお、図4では、例えば、3次元造形用ファイル315のデータを使用する機能構成部への接続線は全てを示していない。また、図4には、3次元造形モデル配置部312に接続する機能構成部も図示されている。
図5は、本実施形態に係る配置制御アルゴリズムテーブル451の構成を示す図である。配置制御アルゴリズムテーブル451は、本実施形態の3次元造形モデルを仮想エリア内に配置する制御アルゴリズムを格納する。なお、配置制御アルゴリズムテーブル451の構成は、図5に限定されない。
図6Aは、本実施形態に係る配置制御パラメータテーブル452の構成を示す図である。配置制御パラメータテーブル452は、配置制御プログラム503で使用するパラメータを格納する。かかるパラメータは、使用する3次元造形装置320などに対応して自動的に設定されるものと、オペレータが操作部314から設定したものと、を含む。
図6B~図6Eを参照して、図6Aの配置制御パラメータテーブル452の具体的な例を説明する。図6Bおよび図6Cには、仮想エリアのXY平面の中心を目標位置として、8つに等分された領域内の3次元グリッドの集合エリアを移動する方向の優先順位を設定するパラメータを示す。図6Dおよび図6Eには、仮想エリア(X,Y,Z)の中心を目標位置として、26に分割された領域内の3次元グリッドの集合エリアを移動する方向の優先順位を設定するパラメータを示す。図6Dにおいて、目標位置を仮想エリアの中央としたが、3次元造形モデルの最初の目標位置は立体の底面とするのが望ましい。なお、配置制御パラメータの重み付けは、図6B~図6Eの分割例やパラメータ例に限定されるのもではない。例えば、図6B~図6Eにおいては、1グリッド単位の移動で斜め方向の移動も含めたが、移動単位が1グリッドでなくてもよく、斜め方向の移動を省いて優先方向への1方向移動を繰り返す、単純で移動の同期が容易な構成であってもよい。
積層造形の仮想エリア650の中央には、目標位置651が設定されている。XYZ立体は目標位置651の周囲の8方向と、上方向および下方向の18個(=2×9)に分割された領域(A)~(Z)に分割されている。なお、複雑さを避けるため、図6Dには、左図に上方向の9領域(A)から(I)、中央に周囲の8領域(J)から(Q)、右図に下方向の9領域(R)から(Z)、が分けて示されている。図中、黒丸および白丸は、仮想エリア650の各外面を16等分した場合の角から一番近い交点を示し、目標位置651から各交点への直線が領域の分割線である。黒丸は仮想エリア650の斜視図の見える面上の交点であり、白丸は仮想エリア650の斜視図の見えない面上の交点である。図6Dの分割は一例であり、これに限定されない。
図7は、本実施形態に係る3次元造形モデルファイル453の構成を示す図である。3次元造形モデルファイル453は、3次元造形モデル取得部316が取得した3次元造形モデルのデータを格納する。
図8は、本実施形態に係る情報処理装置310のハードウェア構成を示すブロック図である。
図9は、本実施形態に係る3次元グリッド集合モデル生成テーブル900の構成を示す図である。3次元グリッド集合モデル生成テーブル900は、図8のRAM840に生成され、3次元造形モデルから3次元グリッド集合モデルを生成するために使用される。
図10は、本実施形態に係る組み合わせ探索テーブル1000の構成を示す図である。組み合わせ探索テーブル1000は、図8のRAM840に図8のデータを含んで生成され、複数の3次元グリッド集合モデルの適切な組み合わせ配置を探索するために使用される。
図11は、本実施形態に係る情報処理装置310の3次元造形モデル配置処理の手順を示すフローチャートである。このフローチャートは、図8のCPU810がRAM840を使用して実行し、図3の情報処理装置310の機能構成部、特に、3次元造形モデル配置部312を実現する。
図12Aは、本実施形態に係るグリットモデル生成処理(S1101)の手順を示すフローチャートである。
図12Bは、本実施形態に係る組み合わせ探索処理(S1105およびS1107)の手順を示すフローチャートである。
次に、本発明の第3実施形態に係る情報処理装置における3次元造形モデル配置について説明する。本実施形態に係る3次元造形モデル配置は、上記第2実施形態と比べると、立方体グリッドのサイズを漸次に縮小することにより、簡単な処理で精度のよい配置をする点で異なる。その他の構成および動作は、第2実施形態と同様であるため、同じ構成および動作については同じ符号を付してその詳しい説明を省略する。
図13は、本実施形態に係る3次元造形モデル配置1300の動作概要を示す図である。なお、図13において、図2Aと同様に要素には同じ参照番号を付して、説明を省略する。
図14は、本実施形態に係る3次元グリッド集合モデル生成テーブル1400の構成を示す図である。なお、図14において、図9と同様の要素には同じ参照番号を付して、説明は省略する。
図15は、本実施形態に係る情報処理装置310の3次元造形モデル配置処理の手順を示すフローチャートである。このフローチャートは、図8のCPU810がRAM840を使用して実行し、図3の情報処理装置310の機能構成部、特に、3次元造形モデル配置部312を実現する。なお、図15において、図11と同様のステップには同じステップ番号を付して、説明を省略する。
次に、本発明の第4実施形態に係る情報処理装置における3次元造形モデル配置について説明する。本実施形態に係る3次元造形モデル配置は、上記第2実施形態および第3実施形態と比べると、3次元造形モデルの配置において3次元造形物の積層造形方向との関係を考慮することにより、積層造形に適した配置をする点で異なる。その他の構成および動作は、第2実施形態または第3実施形態と同様であるため、同じ構成および動作については同じ符号を付してその詳しい説明を省略する。
図16は、本実施形態に係る3次元造形モデル配置1600の動作概要を示す図である。なお、図16において、図2Aと同様の要素には同じ参照番号を付して、説明を省略する。
図17は、本実施形態に係る配置制御パラメータテーブル1700の構成を示す図である。なお、図17において、図6Aと同様の要素には同じ参照番号を付して、説明を省略する。
図18は、本実施形態に係る組み合わせ探索テーブル1800の構成を示す図である。なお、図18において、図10と同様の要素には同じ参照番号を付して、説明を省略する。
図19は、本実施形態に係る情報処理装置310の3次元造形モデル配置処理の手順を示すフローチャートである。このフローチャートは、図8のCPU810がRAM840を使用して実行し、図3の情報処理装置310の機能構成部、特に、3次元造形モデル配置部312を実現する。なお、図19において、図11と同様のステップには同じステップ番号を付して、説明を省略する。
図20は、本実施形態に係る組み合わせ探索処理(S1105およびS1107)の手順を示すフローチャートである。なお、図20において、図12Bと同様のステップには同じステップ番号を付して、説明を省略する。
上記実施形態においては、3次元グリッドを立方体としたが、積層造形する3次元造形対象物によっては直方体や他の多面体を用いてもよい。また、立方体、直方体、あるいは、他の多面体を組み合わせた集合モデルであってもよい。
Claims (16)
- 3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成手段と、
複数の3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換手段と、
前記集合モデルを、互いに重ならないように相対的に移動させる移動手段と、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定手段と、
を備える情報処理装置。 - 前記3次元グリッドは、立方体である請求項1に記載の情報処理装置。
- 前記変換手段は、前記3次元造形モデルが前記3次元グリッドの集合に包含されるように、前記仮想エリア内に初期配置する初期配置手段を有し、
前記移動手段は、前記複数の集合モデルを前記仮想エリア内で前記3次元グリッドのサイズ単位に相対的に所定の方向に移動し、前記複数の集合モデルが重ならない場合に移動を確定する、請求項1または2に記載の情報処理装置。 - 前記初期配置手段は、前記複数の集合モデルを前記仮想エリアの周辺に初期配置して、
前記移動手段は、前記複数の集合モデルを前記仮想エリアの中心方向に移動する、請求項3に記載の情報処理装置。 - 前記初期配置手段は、前記複数の集合モデルを前記仮想エリアの中央に初期配置して、
前記移動手段は、前記複数の集合モデルを前記仮想エリアの周辺方向に移動する、請求項3に記載の情報処理装置。 - 前記初期配置手段は、各3次元造形物の優先的な造形方向および禁止された造形方向を考慮して、前記各3次元造形物を前記仮想エリアに初期配置し、
前記移動手段は、前記優先的な造形方向および禁止された造形方向を考慮して、前記複数の集合モデルを前記仮想エリア内で互いに重ならないように相対的に移動させる、請求項3乃至5のいずれか1項に記載の情報処理装置。 - 前記移動手段は、前記集合モデルの移動方向に対して優先順位を付けるための重み付けを行なう、請求項3乃至6のいずれか1項に記載の情報処理装置。
- 前記移動手段は、前記集合モデルを前記3次元グリッドの単位で回転する回転手段を含む、請求項1乃至7のいずれか1項に記載の情報処理装置。
- 前記回転手段は、前記集合モデルを±90度あるいは180度、回転する、請求項8に記載の情報処理装置。
- 前記所定条件は、前記仮想エリア内の所定の位置から前記複数の集合モデルへの距離が、第1閾値より短くなった場合、あるいは、前記移動手段による移動の回数が第2閾値を超えた場合、を含む請求項1乃至9のいずれか1項に記載の情報処理装置。
- 前記3次元グリッドのサイズを漸次に縮小する縮小手段を、さらに備え、
前記縮小手段により前記3次元グリッドのサイズを漸次に縮小しながら、前記変換手段と、前記移動手段と、前記配置判定手段と、の処理を繰り返す、請求項1乃至10のいずれか1項に記載の情報処理装置。 - 前記3次元の仮想エリアは、3次元造形物を造形する積層造形装置の造形エリアに対応し、
前記3次元造形モデルは、前記積層造形装置が造形する前記3次元造形物を表わすデータからなる、請求項1乃至11に記載の情報処理装置。 - 3次元造形物を表わすデータから前記3次元造形モデルを生成するモデル生成手段と、
前記3次元造形モデルのデータと前記配置のデータとに基づいて、前記3次元造形物の造形用データを生成して、前記積層造形装置に送信する造形用データ送信手段と、
をさらに備える請求項12に記載の情報処理装置。 - 3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成ステップと、
複数の3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換ステップと、
前記集合モデルを、互いに重ならないように相対的に移動させる移動ステップと、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定ステップと、
を含む3次元造形モデル配置方法。 - 3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成ステップと、
複数の3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換ステップと、
前記集合モデルを、互いに重ならないように相対的に移動させる移動ステップと、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定ステップと、
をコンピュータに実行させる3次元造形モデル配置プログラム。 - 3次元造形物を表わすデータから3次元造形モデルを生成するモデル生成手段と、
前記3次元造形物を造形する造形エリアに対応する3次元の仮想エリアに、複数の前記3次元造形モデルを配置するモデル配置手段と、
前記モデル配置手段による複数の前記3次元造形モデルの配置結果に従って、前記造形エリアにおいて複数の前記3次元造形物を造形する積層造形手段と、
を備え、
前記モデル配置手段は、
前記3次元の仮想エリアを所定サイズ単位で分割して3次元グリッドを生成するグリッド生成手段と、
複数の前記3次元造形モデルを、各3次元造形モデルを包含する前記3次元グリッドの集合モデルに変換する変換手段と、
前記集合モデルを、互いに重ならないように相対的に移動させる移動手段と、
前記集合モデルの配置が所定条件を満足した場合に、前記集合モデルの配置を前記複数の3次元造形モデルの配置とする配置判定手段と、
を有する3次元造形システム。
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