CN102862395B - System and method for automatically generating three-dimensional model - Google Patents
System and method for automatically generating three-dimensional model Download PDFInfo
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- CN102862395B CN102862395B CN201210276505.1A CN201210276505A CN102862395B CN 102862395 B CN102862395 B CN 102862395B CN 201210276505 A CN201210276505 A CN 201210276505A CN 102862395 B CN102862395 B CN 102862395B
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Abstract
The invention discloses a system for automatically generating a three-dimensional model. The system comprises a bracket, an operating platform which is arranged on the bracket and can vertically move along the bracket, a spray head component which is arranged on the bracket and can move relative to the operating platform, and a control terminal, wherein the spray head component is positioned above the operating platform and comprises one or more spray heads of which nozzles face the operating platform; the spray heads can spray pigments which are used for generating the three-dimensional model to the operating platform; and the control terminal controls the operating platform and the spray head component to move together, and controls the spray head component to spray the pigments to the operating platform layer by layer to generate the three-dimensional model. The invention also discloses a method for automatically generating the three-dimensional model. By adoption of the system and the method for automatically generating the three-dimensional model, the three-dimensional model is easy to manufacture and high in generality; and particularly, map information can be acquired through a network, and a sand table can be automatically generated, so the manufacturing efficiency of the sand table is greatly improved, and the manufacturing cost and using cost of the sand table are greatly reduced.
Description
Technical field
The present invention relates to the making of threedimensional model, especially relate to a kind of automatic creation system for threedimensional model and automatic generation method.
Background technology
There is the multiple rapid molding device that automatically can generate three-dimensional real object at present, this kind of device compares the three-dimensional real object being applicable to generate monomer, and the 3 D stereo mock-up be not generally applicable to based on plane foundation, this is mainly because it can comprise a lot of independently 3D solid at grade.
Such as, sand table is the effective carrier comprehensively showing three-dimensional geographic information on the two-dimensional signal basis of general map; Due to three-dimensional information collection and use manual manufacture all very time-consuming, be only applied to military field therefore, but in recent years also in urban planning, the fields such as teaching extensively adopt.
Along with the epoch of digital earth arrive, the particularly development of satellite technology, the acquisition of three-dimensional information becomes more and more low cost: open Google Maps, its satellite mapping will be superimposed upon on two-dimentional basis with half-tone information and show three-dimensional geographic information, and key how reduces these three-dimensional informations by deposit ratio.Existing technical scheme, is by sound, light, phantom means mostly, utilizes the visual persistence effect of people to simulate three-dimensional geographic information; Instead of directly export deposit, be not the entity sand table by making in the basic landform of accumulation, intuitive is poor; And the mode realizing three-dimensional information of this use analogue technique is undesirable in solution versatility, cost is higher, and make efficiency is also lower.
Summary of the invention
The object of the present invention is to provide a kind of threedimensional model automatic creation system and method, can generating three-dimensional models automatically, according to the three-dimensional geographic information of the satellite map Automatic generation of information selection area in internet, by automatically stack, 3 D-printing, can automatically generate the sand table of entity.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of threedimensional model automatic creation system, it is characterized in that: comprise support, be arranged on described support and the operating desk that can move up and down along it, with be arranged on described support can relative to the nozzle component of described operating desk movement, and for controlling the control terminal of described nozzle component and operating desk;
Described nozzle component is positioned at the top of described operating desk, it comprise the first shower nozzle for spraying the three-dimensional substrates model in threedimensional model, for spray the blue model of three-dimensional in described threedimensional model the second shower nozzle, for spraying the 3rd shower nozzle of the three-dimensional traverse in described threedimensional model, and for spraying the 4th shower nozzle of the three-dimensional verbal model in described threedimensional model, described first shower nozzle, described second shower nozzle, described 3rd shower nozzle and described 4th shower nozzle all can spray the pigment for generating described threedimensional model on described operating desk;
It is collaborative mobile that described control terminal controls described operating desk and described nozzle component, and control described nozzle component simultaneously and successively on described operating desk, spray described pigment, generates described threedimensional model;
Described control terminal comprises the host computer that can be connected with internet communication, and the coprocessor be connected with described host computer;
Described host computer obtains regional satellite cartographic information by described internet, convert described regional satellite cartographic information to total bitmap, and the road information, blue information, the Word message that extract respectively from described total bitmap on described regional satellite cartographic information, generate corresponding road information model bitmap, blue information model bitmap and Word message model bitmap;
Described host computer also extracts half-tone information from described total bitmap, and obtains the height parameter of described threedimensional model according to the gradient in described half-tone information and divergence information, and generates the three-dimensional substrates model database of described threedimensional model;
Information in described three-dimensional substrates model database is also synthesized three-dimensional traverse database with described road information model bitmap by described host computer respectively, synthesize three-dimensional blue model database with described blue information model bitmap, synthesize three-dimensional verbal model database with described Word message model bitmap;
Described coprocessor is respectively according to three-dimensional substrates model data library file, three-dimensional traverse database file, three-dimensional blue model data library file and three-dimensional verbal model database file, drive described first shower nozzle in described nozzle component, described 3rd shower nozzle, described second shower nozzle and described 4th shower nozzle, each section of three dimension pathline in spray printing corresponding three-dimensional substrates model, three-dimensional traverse, three-dimensional blue model and three-dimensional verbal model.
Preferably, described support is provided with at least two guide rails intersected in a plane be positioned at above described operating desk;
Article two, residing for described guide rail, plane is relative with described operating desk;
Guide rail described at least one is provided with the described nozzle component that can move back and forth along it; The described guide rail being provided with described nozzle component also can move back and forth along the described guide rail crossing with it.
Preferably, described support is a cube frame, and its surrounding is provided with the pillar of multiple setting, and its top is a planar rectangular frame; Described operating desk is positioned at described lower portion, described pillar is provided with Z-direction guide rail, and described operating desk is arranged on described Z-direction guide rail, and can move up and down along it;
Described rectangle frame is provided with a crossbearer, described crossbearer is parallel to wherein one group of opposite side of described rectangle frame, described crossbearer is provided with X direction guiding rail; Another group opposite side of described rectangle frame is respectively arranged with a Y-direction guide rail, and described crossbearer can reciprocatingly slide along described Y-direction guide rail;
The length of described X direction guiding rail is greater than the distance between two described Y-direction guide rails; Described nozzle component is arranged on described X direction guiding rail, and can reciprocatingly slide along it.
Preferably, plane residing for described X direction guiding rail and Y-direction guide rail is parallel with described operating desk relative.
Preferably, described X direction guiding rail and the plane residing for Y-direction guide rail, and described operating desk is all perpendicular with described pillar.
Preferably, described crossbearer is also provided with the X that drives described nozzle component to reciprocatingly slide along described X direction guiding rail to drive motors and X to leading screw;
Another group opposite side of described rectangle frame wherein on one side on be also provided with and drive described crossbearer to reciprocatingly slide Y-direction drive motors and Y-direction leading screw along described Y-direction guide rail;
Described operating desk is also provided with the Z-direction drive motors and Z-direction leading screw that drive described operating desk to move up and down along described Z-direction guide rail.
Preferably, the bottom of described cube frame is provided with and the multiple pressure paint box one to one of each shower nozzle in described nozzle component; Described pressure paint box is by the described shower nozzle input pigment of conveying pipeline to its correspondence; Each described pressure paint box is provided with the proportional control valve that can control pigment output quantity.
Preferably, described coprocessor is connected with the controller of the proportional control valve of each described pressure paint box respectively, and is connected to, the controller of Y-direction, Z-direction stepper motor with described X respectively.
The present invention also comprises following technical scheme:
A kind of threedimensional model automatic generation method, for controlling threedimensional model automatic creation system generating three-dimensional models as above;
Said method comprising the steps of:
Step S1, in described host computer, input the graphical information of threedimensional model to be generated;
Step S2, described host computer set up the three-dimensional modeling data storehouse being used for generating three-dimensional models according to described graphical information;
Technical papers is resolved in described three-dimensional modeling data storehouse by step S3, described host computer;
Step S4, described host computer are by X, Y, Z-direction stepper motor described in described coprocessor control, described operating desk and described nozzle component is driven to work in coordination with according to described technical papers mobile, and control the proportional control valve of the pressure paint box corresponding with each described shower nozzle, make described nozzle component successively spray pigment to described operating desk, generate the threedimensional model of described graphical information.
Preferably, described graphical information is cartographic information, and the threedimensional model of described graphical information is sand table model;
Described step S2 comprises the following steps:
Step S2-1, described host computer convert described cartographic information to total bitmap;
Step S2-2, described host computer extract road information, blue information, Word message on described cartographic information respectively from described total bitmap, and generate corresponding road information model bitmap, blue information model bitmap and Word message model bitmap;
Step S2-3, described host computer extract half-tone information from described total bitmap, and obtain the height parameter of described sand table model according to the gradient in described half-tone information and divergence information, and generate the three-dimensional substrates model database of described sand table model;
Information in described three-dimensional substrates model database is synthesized three-dimensional traverse database with described road information model bitmap by step S2-4, described host computer respectively, synthesize three-dimensional blue model database with described blue information model bitmap, synthesize three-dimensional verbal model database with described Word message model bitmap.
Preferably, in described step S2-2, described host computer also extracts the out of Memory on described cartographic information from described total bitmap, and corresponding generation out of Memory model bitmap;
In described step S2-4, the information in described three-dimensional substrates model database and described out of Memory model bitmap are also synthesized out of Memory model database by described host computer.
Preferably, described blue information comprises river, reservoir, lake, marine information;
Described out of Memory comprises desert information, deserted mountain information, field information, irrigation canals and ditches information and pipeline information in described cartographic information.
Preferably, the concrete generation method of the described three-dimensional substrates model database in described step S2-3 comprises the following steps:
Steps A, search minimum of a value and the maximum of the land gray scale in described cartographic information according to described total bitmap, and extrapolate the level of described sand table model;
Step B, extrapolate the boundary point of every one deck of described sand table model according to the gray value of every bit in described cartographic information, and generate the border file of every one deck of described sand table model.
Step C, the described border file of every for described sand table model one deck and sequence number thereof are combined into described three-dimensional substrates model database.
Preferably, in described step S1, described host computer is connected into internet, and obtains the regional satellite cartographic information as described cartographic information by internet;
Described nozzle component comprises four shower nozzles, be respectively the first shower nozzle for spraying the three-dimensional substrates model in described sand table model, for spray the blue model of three-dimensional in described sand table model the second shower nozzle, for spraying the 3rd shower nozzle of the three-dimensional traverse in described sand table model, and for spraying the 4th shower nozzle of the three-dimensional verbal model in described sand table model.
Beneficial effect of the present invention:
Threedimensional model automatic creation system of the present invention and method make the making of threedimensional model simpler; And possess good versatility, especially also automatically can generate sand table by Network Capture cartographic information, the make efficiency of sand table be promoted greatly, makes the cost of manufacture of sand table and use cost greatly reduce simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a specific embodiment of threedimensional model automatic creation system of the present invention;
Fig. 2 is the supporting structure schematic diagram of the threedimensional model automatic creation system shown in Fig. 1;
The crossbearer that Fig. 3 is the threedimensional model automatic creation system shown in Fig. 1 and X direction guiding rail schematic diagram;
The Y-direction guide rail that Fig. 4 is the threedimensional model automatic creation system shown in Fig. 1 and assembly schematic diagram;
The Z-direction guide rail that Fig. 5 is the threedimensional model automatic creation system shown in Fig. 1 and assembly schematic diagram;
Fig. 6 is the structural representation of the nozzle component of the threedimensional model automatic creation system shown in Fig. 1;
Fig. 7 be threedimensional model automatic generation method of the present invention for generating sand table model time host computer and the annexation block diagram of coprocessor;
Fig. 8 be threedimensional model automatic generation method of the present invention for generating sand table model time host computer course of work block diagram;
Fig. 9 be threedimensional model automatic generation method of the present invention for generating sand table model time coprocessor operational process block diagram.
Detailed description of the invention
Clearly understand for making the object of threedimensional model automatic creation system of the present invention and method, technical scheme and advantage, below in conjunction with drawings and Examples, the present invention is described in further details, but, should be noted that, specific embodiment described below only for illustration of the present invention, but is not used for limiting scope of the present invention.
As shown in Figures 1 to 6, the automatic creation system of the threedimensional model in the present embodiment, it comprises support 100, be arranged on described support 100 and the operating desk 200 that can move up and down along it, be arranged on described support 100 can relative to the nozzle component 300 of described operating desk movement, described nozzle component 300 includes the shower nozzle 301 of one or more spout towards described operating desk; Described nozzle component 300 is positioned at the top of described operating desk 200, and successively can spray the pigment for generating described threedimensional model on described operating desk 200.
Preferably, the described support 100 in the present embodiment is a cube frame, and its surrounding is provided with the pillar 110 of multiple setting, and its top is a rectangle frame 120; Described rectangle frame is provided with a crossbearer 400, described crossbearer 400 is parallel to wherein one group of opposite side of described rectangle frame 120, and described crossbearer 400 is provided with X direction guiding rail 430; Another group opposite side of described rectangle frame 120 is respectively arranged with a Y-direction guide rail 510,520, and described crossbearer 400 can reciprocatingly slide along described Y-direction guide rail 510,520; Described nozzle component 300 is arranged on described X direction guiding rail 430, and can reciprocatingly slide along it.
Described nozzle component 300 in the present embodiment can move in the two-dimensional coordinate system plane that described X direction guiding rail 430 and Y-direction guide rail 510,520 form XY axle, and further, residing for described X direction guiding rail 430 and Y-direction guide rail 510,520, plane is parallel relative with described operating desk 200, ensures that pigment that described nozzle component 300 sprays in movement successively can be piled up on described operating desk 200 and forms sand table model; Simultaneously, the length of the described X direction guiding rail 430 in the present embodiment is greater than the distance between two described Y-direction guide rails 510,520, the two-dimensional coordinate system plane making described X direction guiding rail 430 and Y-direction guide rail 510,520 form XY axle covers the plane residing for described operating desk 200 completely, when making described nozzle component 300 along 430 transverse movement of described X direction guiding rail, all shower nozzles in described nozzle component 300 are all moveable to the outer boundaries of described Y-direction guide rail 510,520; And then each shower nozzle 301 ensureing on described nozzle component 300 can cover all positions on described operating desk 200.
A progressive step ground, described operating desk 200 is positioned at described lower portion, and described pillar 110 is provided with Z-direction guide rail 600, and described operating desk 200 is arranged on described Z-direction guide rail 600, and can move up and down along it.
Preferably, described pillar 110 and plane residing for described X direction guiding rail 430 and Y-direction guide rail 510,520, and perpendicular with described operating desk 200, described Z-direction guide rail 600 and described X direction guiding rail 430 and described Y-direction guide rail 510,520 form X, Y, Z tri-3 D stereo coordinate system space of axle; With ensure described operating desk 200 and described nozzle component 300 described X, Y, Z tri-axle 3 D stereo coordinate system in collaborative mobile, the pigment that described nozzle component 300 is sprayed successively forms threedimensional model on described operating desk 200.
As other embodiments, at least comprise at least two guide rails intersected in a plane be positioned at above described operating desk arranged on the bracket; Described crossing guide rail can form a two dimensional surface, and on a described guide rail, be at least provided with the described nozzle component that can move back and forth along it, the described guide rail being provided with described nozzle component also can move back and forth along the described guide rail crossing with it, meanwhile, residing for described guide rail, plane is relative with described operating desk; To ensure that described operating desk can be collaborative mobile with described nozzle component, make described nozzle component successively on described operating desk, spray described pigment, generate described threedimensional model.
Further, the system that threedimensional model in the present embodiment generates also comprises the control terminal for controlling described nozzle component 300 and operating desk 200, described control terminal controls described operating desk and described nozzle component is collaborative mobile, and control described nozzle component simultaneously and successively on described operating desk, spray described pigment, generate described threedimensional model.
Preferably, the described crossbearer 400 in the present embodiment is also provided with the X that drives described nozzle component 300 to reciprocatingly slide along described X direction guiding rail to drive motors and X to leading screw; As shown in figures 1 and 3, as a kind of embodiment, in the present embodiment, crossbearer 400 is provided with X to leading screw 410, X to drive motors 420, two X direction guiding rails 430, shower nozzle installing plate 431 for loading nozzle component 300 is enclosed within X direction guiding rail 430, X by an X to slide block 432 and is then connected to slide block 432 with X by a feed screw nut 411 to leading screw 410; X is also provided with electric machine support 412 to one end of leading screw 410 and X is arranged on electric machine support 412 to shaft coupling 413, X to drive motors 420, and is connected with X direction guiding rail 430 to shaft coupling 413 by X; When X is to drive motors 420 live line work, drives X to rotate to leading screw 410, order about feed screw nut 411 and drive shower nozzle installing plate 431 to reciprocatingly slide along X direction guiding rail 430.
Preferably, described rectangle frame another group opposite side wherein on be also provided with the described crossbearer 400 of driving and reciprocatingly slide Y-direction drive motors 501 and Y-direction leading screw 502 along described Y-direction guide rail 510,520.
As shown in Figure 1 and Figure 4, be provided with the installing plate 503 for installing crossbearer 400 between two Y-direction guide rails 510,520, installing plate 503 is sleeved on Y-direction guide rail 510,520 by slide block device equally; Other assembly on Y-direction guide rail 510,520 is identical with the device on described crossbearer 400, and wherein the two ends of Y-direction leading screw 502 are also respectively arranged with guide rail fixed block 504.
As shown in Figure 1 and Figure 5, in the present embodiment, operating desk 200 is cross break shape, it comprises plane 210 and a support rib 220 erect that one is parallel to rectangle frame 120, rib 220 is provided with the Z-direction leading screw 602 driving described operating desk 200 to move up and down along described Z-direction guide rail 600, Z-direction leading screw 602 two ends are relative fixing with described support 100 respectively by the transverse slat be arranged on support 100, and one end of Z-direction leading screw 602 is also provided with Z-direction drive motors 601.
In the present embodiment, two of support 100 relative pillars 110 are respectively arranged with a Z-direction guide rail 600; The both sides of the plane 210 of operating desk 200 are enclosed within two Z-direction guide rails 600 respectively by slide block device; Other assembly on Z-direction guide rail 600 is identical with the device on described crossbearer 400, and wherein the two ends of two Z-direction guide rails 600 and Z-direction leading screw 602 are also respectively arranged with guide rail fixed block.
Further, as shown in figures 1 to 6, the bottom of described cube frame is provided with and the multiple pressure paint box 201 one to one of each shower nozzle 301 in described nozzle component 300; Described pressure paint box 201 inputs pigment by conveying pipeline 202 to the described shower nozzle 301 of its correspondence; Each described pressure paint box 201 is also connected with and can controls the proportional control valve that it exports amount of pigment; The quantity of the shower nozzle 301 in nozzle component 300 described in the present embodiment is four, and four shower nozzles 301 are arranged on the transverse slat 610 bottom Z-direction leading screw 602.
Further, as a kind of embodiment, described control terminal comprises the host computer that can be connected with internet communication and the coprocessor be connected with described host computer; Described coprocessor is connected with the controller of the proportional control valve of each described pressure paint box 201 respectively, and is connected with the controller of described X, Y, Z-direction guide rail stepper motor respectively.
As a kind of embodiment, described coprocessor is digital signal processor (DSP) or single-chip microcomputer etc., gives this coprocessor by the command that described automatic generating three-dimensional models method generated, realizes controlling automatic generating three-dimensional models.
Also comprise a kind of method for controlling the automatic generating three-dimensional models of threedimensional model automatic creation system described in the present embodiment in the present embodiment, it comprises the following steps:
Step S1, in described host computer, input the graphical information of threedimensional model to be generated.
Step S2, described host computer set up the three-dimensional modeling data storehouse being used for generating three-dimensional models according to described graphical information.
Technical papers is resolved in described three-dimensional modeling data storehouse by step S3, described host computer.
Step S4, described host computer are by X, Y, Z-direction stepper motor described in described coprocessor control, described operating desk and described nozzle component is driven to work in coordination with according to described technical papers mobile, and control the proportional control valve of the pressure paint box corresponding with each described shower nozzle, make described nozzle component successively spray pigment to described operating desk, generate the threedimensional model of described graphical information.As shown in Figure 7, be host computer in the present embodiment and coprocessor annexation block diagram.
Preferably, as a kind of embodiment, described graphical information can be cartographic information; The automatic creation system that the automatic generation method of described threedimensional model can control threedimensional model described in the present embodiment generates 3 D sand table model automatically according to described cartographic information.
Preferably, when described method is for generating described sand table model, in described step S1, described host computer can be made to obtain regional satellite cartographic information by internet; In the present embodiment, described host computer directly intercepts described regional satellite cartographic information from Google's satellite map by internet, makes described satellite map automatically generate sand table model by the automatic creation system of described threedimensional model.
Further, as a kind of embodiment, four shower nozzles are set in the described nozzle component of the present embodiment, be respectively the first shower nozzle for spraying the three-dimensional substrates model in described sand table model, for spray the blue model of three-dimensional in described sand table model the second shower nozzle, for spraying the 3rd shower nozzle of the three-dimensional traverse in described sand table model, and for spraying the 4th shower nozzle of the three-dimensional verbal model in described sand table model.
Further, when described satellite map is made into described sand table model, described step S2 comprises the following steps:
Step S2-1, described host computer convert described cartographic information to total bitmap.
Step S2-2, described host computer extract road information, blue information, Word message on described cartographic information respectively from described total bitmap, and generate corresponding road information model bitmap, blue information model bitmap and Word message model bitmap.
Step S2-3, described host computer extract half-tone information from described total bitmap, and the height parameter of described sand table model is obtained according to the gradient in described half-tone information and divergence information, and generate the three-dimensional substrates model database (three-dimensional substrates model: the structure being positioned at the basic framework bottom sand table, is generally the land in map) of described sand table model.
Information in described three-dimensional substrates model database is synthesized three-dimensional traverse database with described road information model bitmap by step S2-4, described host computer respectively, synthesize three-dimensional blue model database with described blue information model bitmap, synthesize three-dimensional verbal model database with described Word message model bitmap.
Preferably, in described step S2-2, described host computer also extracts the out of Memory on described cartographic information from described total bitmap, and corresponding generation out of Memory model bitmap; As shown in Figure 8, in the present embodiment, described host computer course of work block diagram.
Further, in described step S2-4, the information in described three-dimensional substrates model database and described out of Memory model bitmap are also synthesized out of Memory model database by described host computer.
Wherein, described blue information comprises river in described cartographic information, reservoir, lake, marine information; Described out of Memory comprises other minute information such as desert information, deserted mountain information, field information, irrigation canals and ditches information and pipeline information in described cartographic information.
Further, in the present embodiment, the concrete generation method of the described three-dimensional substrates model database in described step S2-3 comprises the following steps:
Steps A, search minimum of a value and the maximum of the land gray scale in described cartographic information according to described total bitmap, and extrapolate the level of described sand table model; (in the present embodiment using the land in cartographic information for benchmark is as the foundation of sand table layering, be more convenient for calculating, and the position gray value of the information such as blue area, road, the word such as ocean only need with its around land gray value do interpolation arithmetic.)
Step B, extrapolate the boundary point of every one deck of described sand table model according to the gray value of every bit in described cartographic information, and generate the border file of every one deck of described sand table model.
Step C, the described border file of every for described sand table model one deck and sequence number thereof are combined into described three-dimensional substrates model database.
Further, in concrete operation, described step S2-3 mainly carries out the layering in vertical height direction to described satellite map, and generates the border file of every one deck by image segmentation; In certain embodiments, can adopt threshold method, edge detection method, the image segmentations such as field method every one deck carried out in described satellite map carries out the segmentation of boundary image; Following methods is adopted in the present embodiment:
A, first search satellite map scope inland basin minimum gray value and maximum, note be D (Min) and D (Max), three-dimensional level (L)=(D (Max)-D (Min))/N.(wherein N depends on the ratio of the height of actual object in satellite map and the height of the model of the described actual object set in sand table.)
B, every bit gray value in described satellite map is set as D (x, y), its 9 pros are got or 16 square arithmetic mean of instantaneous values are D0 (x0, y0), if the poor quadratic sum between D0 and D is greater than edge determination value ∑ 0, then this point is border.Find out all boundary points, see whether in region continuously, otherwise amendment ∑ 0 is worth, until can the discontinuous point of logic polishing.
Again selected ∑ 1 in c, the Basis of Database that generates at b, generates border file again.
D, to generate in Basis of Database selected ∑ 2 again at c
E, so to carry out L (the three-dimensional level divided) secondary, and have different border bitmaps, these bitmaps its sequence number related is just combined into described three-dimensional substrates model database at every turn.
Further, the present embodiment is when carrying out described step S3 and S4, described coprocessor is first according to the described three-dimensional substrates model data library file (Bas sxxx.3DAT) received, first analyze sand table model always total how many layers, by every layer of correspondence border bitmap (filename and type can be xxxx.BMP) file, described operating desk is transferred to top, described nozzle component is driven to use the first shower nozzle, xxx1.BMP file according to the bottom on two-dimentional basis carries out spray printing, then described operating desk is reduced one deck, drive described nozzle component spray printing second layer xxx2.BMP file, to the last an xxxL.BMP file completes, three-dimensional substrates landform completes.
Then, described coprocessor is according to described three-dimensional traverse database (Croadxxx.3DAT) file received, decomposite often some processing route that can cut, parse road jet printing technique file, repeatedly drive workbench up and down, nozzle component left-right and front-back moves, and uses the 3rd shower nozzle to spray each section of three dimension pathline.As a same reason, according to the blue model database of described three-dimensional (Cbluexxx.3DAT) file, resolve the blue information technical papers such as three Dimension River, reservoir, lake, ocean and use the second shower nozzle to carry out spray printing; According to three-dimensional verbal model database (Cwordxxx.3DAT) file, resolve the technical papers of the three-dimensional Word messages such as place name, road name, river title, mountain range title and use the 4th shower nozzle to carry out spray printing.
Finally, described coprocessor can also parse according to described out of Memory model database three-dimensional informations such as comprising desert, deserted mountain, field, irrigation canals and ditches, pipeline, then utilize four shower nozzle pigment in described nozzle component (such as, the pigment colour of described four shower nozzles is set as respectively: green, red, blue, white) superposition synthesis show these minute information, complete the making of described sand table model.As shown in Figure 9, be coprocessor operational process block diagram in the present embodiment;
It should be noted that obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. a threedimensional model automatic creation system, it is characterized in that: comprise support, be arranged on described support and the operating desk that can move up and down along it, with be arranged on described support can relative to the nozzle component of described operating desk movement, and for controlling the control terminal of described nozzle component and operating desk;
Described nozzle component is positioned at the top of described operating desk, its include the first shower nozzle for spraying the three-dimensional substrates model in threedimensional model, for spray the blue model of three-dimensional in described threedimensional model the second shower nozzle, for spraying the 3rd shower nozzle of the three-dimensional traverse in described threedimensional model, and for spraying the 4th shower nozzle of the three-dimensional verbal model in described threedimensional model, described first shower nozzle, described second shower nozzle, described 3rd shower nozzle and described 4th shower nozzle all can spray the pigment for generating described threedimensional model on described operating desk;
It is collaborative mobile that described control terminal controls described operating desk and described nozzle component, and control described nozzle component simultaneously and successively on described operating desk, spray described pigment, generates described threedimensional model;
Described control terminal comprises the host computer that can be connected with internet communication, and the coprocessor be connected with described host computer;
Described host computer obtains regional satellite cartographic information by described internet, convert described regional satellite cartographic information to total bitmap, and the road information, blue information, the Word message that extract respectively from described total bitmap on described regional satellite cartographic information, generate corresponding road information model bitmap, blue information model bitmap and Word message model bitmap;
Described host computer also extracts half-tone information from described total bitmap, and obtains the height parameter of described threedimensional model according to the gradient in described half-tone information and divergence information, and generates the three-dimensional substrates model database of described threedimensional model;
Information in described three-dimensional substrates model database is also synthesized three-dimensional traverse database with described road information model bitmap by described host computer respectively, synthesize three-dimensional blue model database with described blue information model bitmap, synthesize three-dimensional verbal model database with described Word message model bitmap;
Described coprocessor, respectively according to three-dimensional substrates model data library file, three-dimensional traverse database file, three-dimensional blue model data library file and three-dimensional verbal model database file, drives each section of three dimension pathline, the blue model of described three-dimensional and the described three-dimensional verbal model in described first shower nozzle, described 3rd shower nozzle, described second shower nozzle and the corresponding described three-dimensional substrates model of described 4th shower nozzle difference spray printing, described three-dimensional traverse.
2. threedimensional model automatic creation system according to claim 1, is characterized in that:
Described support is provided with at least two guide rails intersected in a plane be positioned at above described operating desk;
Article two, residing for described guide rail, plane is relative with described operating desk;
Guide rail described at least one is provided with the described nozzle component that can move back and forth along it; The described guide rail being provided with described nozzle component also can move back and forth along the described guide rail crossing with it.
3. threedimensional model automatic creation system according to claim 1 and 2, is characterized in that:
Described support is a cube frame, and its surrounding is provided with the pillar of multiple setting, and its top is a planar rectangular frame; Described operating desk is positioned at described lower portion, described pillar is provided with Z-direction guide rail, and described operating desk is arranged on described Z-direction guide rail, and can move up and down along it;
Described rectangle frame is provided with a crossbearer, described crossbearer is parallel to wherein one group of opposite side of described rectangle frame, described crossbearer is provided with X direction guiding rail; Another group opposite side of described rectangle frame is respectively arranged with a Y-direction guide rail, and described crossbearer can reciprocatingly slide along described Y-direction guide rail;
The length of described X direction guiding rail is greater than the distance between two described Y-direction guide rails; Described nozzle component is arranged on described X direction guiding rail, and can reciprocatingly slide along it.
4. threedimensional model automatic creation system according to claim 3, is characterized in that:
Residing for described X direction guiding rail and Y-direction guide rail, plane is parallel with described operating desk relative.
5. threedimensional model automatic creation system according to claim 4, is characterized in that:
Described X direction guiding rail and the plane residing for Y-direction guide rail, and described operating desk is all perpendicular with described pillar.
6. threedimensional model automatic creation system according to claim 5, is characterized in that:
Described crossbearer is also provided with the X that drives described nozzle component to reciprocatingly slide along described X direction guiding rail to drive motors and X to leading screw;
Another group opposite side of described rectangle frame wherein on one side on be also provided with and drive described crossbearer to reciprocatingly slide Y-direction drive motors and Y-direction leading screw along described Y-direction guide rail;
Described operating desk is also provided with the Z-direction drive motors and Z-direction leading screw that drive described operating desk to move up and down along described Z-direction guide rail.
7. threedimensional model automatic creation system according to claim 6, is characterized in that:
The bottom of described cube frame is provided with and the multiple pressure paint box one to one of each shower nozzle in described nozzle component; Described pressure paint box is by the described shower nozzle input pigment of conveying pipeline to its correspondence; Each described pressure paint box is provided with the proportional control valve that can control pigment output quantity.
8. threedimensional model automatic creation system according to claim 7, is characterized in that:
Described coprocessor is connected with the controller of the proportional control valve of each described pressure paint box respectively, and is connected to, the controller of Y-direction, Z-direction stepper motor with described X respectively.
9. a threedimensional model automatic generation method, is characterized in that: for controlling the threedimensional model automatic creation system generating three-dimensional models described in claim 8;
Described threedimensional model automatic generation method comprises the following steps:
Step S1, in described host computer, input the graphical information of threedimensional model to be generated;
Step S2, described host computer set up the three-dimensional modeling data storehouse being used for generating three-dimensional models according to described graphical information;
Technical papers is resolved in described three-dimensional modeling data storehouse by step S3, described host computer;
Step S4, described host computer are by X, Y, Z-direction stepper motor described in described coprocessor control, described operating desk and described nozzle component is driven to work in coordination with according to described technical papers mobile, and control the proportional control valve of the pressure paint box corresponding with each described shower nozzle, make described nozzle component successively spray pigment to described operating desk, generate the threedimensional model of described graphical information;
Wherein, described graphical information is cartographic information, and the threedimensional model of described graphical information is sand table model;
Described step S2 comprises the following steps:
Step S2-1, described host computer convert described cartographic information to total bitmap;
Step S2-2, described host computer extract road information, blue information, Word message on described cartographic information respectively from described total bitmap, and generate corresponding road information model bitmap, blue information model bitmap and Word message model bitmap;
Step S2-3, described host computer extract half-tone information from described total bitmap, and obtain the height parameter of described sand table model according to the gradient in described half-tone information and divergence information, and generate the three-dimensional substrates model database of described sand table model;
Information in described three-dimensional substrates model database is synthesized three-dimensional traverse database with described road information model bitmap by step S2-4, described host computer respectively, synthesize three-dimensional blue model database with described blue information model bitmap, synthesize three-dimensional verbal model database with described Word message model bitmap.
10. threedimensional model automatic generation method according to claim 9, is characterized in that:
In described step S2-2, described host computer also extracts the out of Memory on described cartographic information from described total bitmap, and corresponding generation out of Memory model bitmap;
In described step S2-4, the information in described three-dimensional substrates model database and described out of Memory model bitmap are also synthesized out of Memory model database by described host computer.
11. threedimensional model automatic generation methods according to claim 10, is characterized in that:
Described blue information comprises river, reservoir, lake, marine information;
Described out of Memory comprises desert information, deserted mountain information, field information, irrigation canals and ditches information and pipeline information in described cartographic information.
12. threedimensional model automatic generation methods according to claim 11, is characterized in that:
The concrete generation method of the described three-dimensional substrates model database in described step S2-3 comprises the following steps:
Steps A, search minimum of a value and the maximum of the land gray scale in described cartographic information according to described total bitmap, and extrapolate the level of described sand table model;
Step B, extrapolate the boundary point of every one deck of described sand table model according to the gray value of every bit in described cartographic information, and generate the border file of every one deck of described sand table model;
Step C, the described border file of every for described sand table model one deck and sequence number thereof are combined into described three-dimensional substrates model database.
13. threedimensional model automatic generation methods according to claim 9 to 12 any one, is characterized in that:
In described step S1, described host computer is connected into internet, and obtains the regional satellite cartographic information as described cartographic information by internet;
Described nozzle component comprises four shower nozzles, be respectively the first shower nozzle for spraying the three-dimensional substrates model in described sand table model, for spray the blue model of three-dimensional in described sand table model the second shower nozzle, for spraying the 3rd shower nozzle of the three-dimensional traverse in described sand table model, and for spraying the 4th shower nozzle of the three-dimensional verbal model in described sand table model.
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| CN103077651B (en) * | 2013-01-15 | 2016-01-06 | 北京化工大学 | Three-degree-of-freedom motion control system practice teaching robot platform |
| CN103473809B (en) * | 2013-09-27 | 2016-01-27 | 武汉大学 | Based on the valley water security management method of 3D printing technique |
| CN106782026B (en) * | 2017-03-30 | 2023-07-18 | 南京工业职业技术学院 | Array stacking rod type three-dimensional sand table forming machine |
| CN108986637A (en) * | 2018-07-30 | 2018-12-11 | 大连东恒广宇科技有限公司 | It is a kind of quickly to prepare topographic sand table and its preparation facilities |
| WO2021020356A1 (en) * | 2019-07-29 | 2021-02-04 | 国立研究開発法人理化学研究所 | Data interpretation device, method and program, data integration device, method and program, and digital city construction system |
| CN111127992B (en) * | 2019-12-17 | 2021-09-21 | 燕山大学 | River evolution simulation device and experiment method for automatically generating terrain |
| CN111223379B (en) * | 2020-01-15 | 2022-03-18 | 南京博讯智云科技有限公司 | Satellite attitude simulation device |
| CN112785949B (en) * | 2021-01-22 | 2022-07-12 | 北京邮电大学 | Three-dimensional scene projection method and device and three-dimensional sand table |
| CN115049799B (en) * | 2022-06-14 | 2024-01-09 | 北京百度网讯科技有限公司 | Method and device for generating 3D model and virtual image |
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| US6652256B2 (en) * | 2000-10-27 | 2003-11-25 | Dorsey D. Coe | Three-dimensional model colorization during model construction from computer aided design data |
| WO2005000592A1 (en) * | 2003-06-26 | 2005-01-06 | Weather Cock Co.,Ltd. | Three-dimensional printer, three-dimensional printing method, and three-dimensionally printed article |
| CN100387419C (en) * | 2006-01-16 | 2008-05-14 | 南京师范大学 | Method for manufacturing three-dimensional object by use of spray coating successively |
| JP4842677B2 (en) * | 2006-03-24 | 2011-12-21 | 株式会社きもと | Topographic model forming system and topographic model manufacturing method |
| CN2936746Y (en) * | 2006-07-04 | 2007-08-22 | 上海富奇凡机电科技有限公司 | Stereo printing type quickly forming mahcine |
| CN201092148Y (en) * | 2007-08-22 | 2008-07-30 | 西安理工大学 | Ink-jet stamping shaper with printing head capable of carrying out three-dimensional motion |
| CN201960834U (en) * | 2010-11-24 | 2011-09-07 | 江苏锐毕利实业有限公司 | Colored three-dimensional quick sand table spray printing machine |
| CN102173211B (en) * | 2010-12-28 | 2013-04-10 | 石毅 | Five-axle linkage control three-dimensional printing device |
| CN102602146B (en) * | 2012-03-02 | 2014-07-23 | 华中科技大学 | Piezoelectric-type three-dimensional printing forming system and forming method thereof |
| CN202742818U (en) * | 2012-08-03 | 2013-02-20 | 中科英华湖州工程技术研究中心有限公司 | Automatic generation system of three-dimensional (3D) model |
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