CN105225268A - A kind of method and apparatus of three-dimensional modeling - Google Patents
A kind of method and apparatus of three-dimensional modeling Download PDFInfo
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Abstract
The invention provides a kind of method and apparatus of three-dimensional modeling, the method comprises: after keeper logs in client, the CAD drawing that each region in multiple regions that the former figure of acquisition CAD is divided into is corresponding, determine the relative coordinate point position of ad-hoc location relative to the former figure of CAD of each CAD drawing obtained, on being uploaded onto the server by each CAD drawing obtained; After operator logs in client, CAD drawing operator being responsible for region from server downloads to this locality, CAD drawing is imported in D modeling tool, the ad-hoc location of CAD drawing is moved to relative coordinate point position, CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in region, on being uploaded onto the server by three-dimensional model; After keeper logs in client, merging treatment is carried out to the three-dimensional model in multiple regions that the former figure of CAD is divided into, obtain the three-dimensional model of overall region corresponding to the former figure of CAD.By technical solution of the present invention, improve the efficiency of three-dimensional modeling, reduce the workload of three-dimensional modeling.
Description
Technical field
The present invention relates to image technique field, particularly relate to a kind of method and apparatus of three-dimensional modeling.
Background technology
Three-dimensional model is widely used in the place of any use three-dimensional picture, three-dimensional model is the For Polygons Representation of object, usual use computing machine or other video equipment show, the object of display can be the entity of real world, also can be imaginary object, the thing that any physics nature exists can represent with three-dimensional model.Three-dimensional model often uses this special Software Create of D modeling tool.
In three-dimensional modeling process under large scene (such as large-scale garden, school, city etc.), usually be respectively respective region by many people and carry out three-dimensional modeling, obtain the three-dimensional model in respective region, finally manual three-dimensional model under respective region is carried out merging treatment, obtain the three-dimensional model of overall region.
The workload of above-mentioned three-dimensional modeling process is large, and human input is large, and follow-up to carry out the workload of merging treatment to the three-dimensional model under multiple region comparatively large, and there will be position deviation, the problems such as material file conflict.
Summary of the invention
The invention provides a kind of method of three-dimensional modeling, said method comprising the steps of:
After keeper logs in client, the CAD drawing that each region in multiple regions that the former figure of acquisition computer aided design cad is divided into is corresponding, and determine the relative coordinate point position of ad-hoc location relative to the former figure of described CAD of each CAD drawing obtained, on each CAD drawing obtained is uploaded onto the server, and the corresponding relation between the mark recording each CAD drawing of acquisition in the database table of the described server relative coordinate point position corresponding with described each CAD drawing;
After operator logs in client, CAD drawing operator being responsible for region from described server downloads to this locality, the relative coordinate point position of the mark correspondence of described CAD drawing is obtained from the database table of described server, described CAD drawing is imported in D modeling tool, and the ad-hoc location of described CAD drawing is moved to described relative coordinate point position, described CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in described region, and described three-dimensional model is uploaded on described server;
After keeper logs in client, merging treatment is carried out to the three-dimensional model in multiple regions that the former figure of described CAD is divided into, obtain the three-dimensional model of overall region corresponding to the former figure of described CAD.
Described method comprises further:
When keeper logs in client, obtain multiple CAD subgraph paper that CAD drawing is divided into, determine the relative coordinate point position of the ad-hoc location of each CAD subgraph paper relative to this CAD drawing, on being uploaded onto the server by each CAD subgraph paper, in described database table, record the corresponding relation between the mark of each CAD subgraph paper relative coordinate point position corresponding with described each CAD subgraph paper;
When operator logs in client, multiple CAD subgraph paper operator being responsible for the CAD drawing in region from described server corresponding download to this locality; For each CAD subgraph paper in the plurality of CAD subgraph paper, the relative coordinate point position of the mark correspondence of this CAD subgraph paper is obtained from described database table, this CAD subgraph paper is imported in D modeling tool, and the ad-hoc location of this CAD subgraph paper is moved to this relative coordinate point position, this CAD subgraph paper carries out three-dimensional modeling, obtain the three-dimensional model that this CAD subgraph paper is corresponding, and this three-dimensional model is uploaded on described server.
When CAD drawing or CAD subgraph paper are for the CAD drawing of building body or CAD subgraph paper, described method comprises further:
For the process of carrying out three-dimensional modeling on CAD drawing, in database table, record the corresponding relation between the mark of described CAD drawing and the elevation information of described CAD drawing corresponding building body; Or, for the process of carrying out three-dimensional modeling on CAD subgraph paper, in database table, record the corresponding relation between the mark of described CAD subgraph paper and the elevation information of described CAD subgraph paper corresponding building body.
Described method comprises further: when recording the corresponding relation between the mark of the CAD drawing relative coordinate point position corresponding with described CAD drawing in described database table, also record the scene number of described CAD drawing in described corresponding relation; Wherein, different CAD drawings is to there being different scenes number;
When recording the corresponding relation between the mark of the CAD subgraph paper relative coordinate point position corresponding with described CAD subgraph paper in described database table, in described corresponding relation, also record the scene number of described CAD subgraph paper; Wherein, the scene of scene number and the corresponding CAD drawing of CAD subgraph paper is number identical.
Described method comprises further:
Before CAD drawing operator being responsible for region from server downloads to this locality, from database table, obtain the modeling state of the mark correspondence of CAD drawing; Described modeling state is the first state or the second state, and the original state of described modeling state is the first state; First state representation allows to carry out three-dimensional modeling on CAD drawing, and the second state representation does not allow to carry out three-dimensional modeling on CAD drawing;
When described modeling state is the first state, then perform CAD drawing operator being responsible for region from described server and download to local process, and be the second state by the modeling state of the mark correspondence of described CAD drawing by the first status modifier in described database table; Obtaining the three-dimensional model in described region, and after uploading on described server by described three-dimensional model, be then the first state by the modeling state of the mark correspondence of described CAD drawing by the second status modifier in described database table;
When described modeling state is the second state, then refusal performs CAD drawing operator being responsible for region from described server and downloads to local process, waits for that described modeling Status Change is the first state.
The invention provides a kind of device of three-dimensional modeling, described device specifically comprises: the first processing module, for after keeper logs in client, the CAD drawing that each region in multiple regions that the former figure of acquisition computer aided design cad is divided into is corresponding, and determine the relative coordinate point position of ad-hoc location relative to the former figure of CAD of each CAD drawing obtained, on each CAD drawing obtained is uploaded onto the server, and the corresponding relation between the mark recording each CAD drawing of acquisition in the database table of the server relative coordinate point position corresponding with described each CAD drawing, second processing module, for after operator logs in client, CAD drawing operator being responsible for region from server downloads to this locality, the relative coordinate point position of the mark correspondence of described CAD drawing is obtained from described database table, described CAD drawing is imported in D modeling tool, and the ad-hoc location of described CAD drawing is moved to described relative coordinate point position, described CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in described region, and on described three-dimensional model is uploaded onto the server, 3rd processing module, for after keeper logs in client, carries out merging treatment to the three-dimensional model in multiple regions that the former figure of described CAD is divided into, obtains the three-dimensional model of overall region corresponding to the former figure of described CAD.
Described first processing module, also for when keeper logs in client, obtain multiple CAD subgraph paper that CAD drawing is divided into, determine the relative coordinate point position of the ad-hoc location of each CAD subgraph paper relative to this CAD drawing, on being uploaded onto the server by each CAD subgraph paper, in described database table, record the corresponding relation between the mark of each CAD subgraph paper relative coordinate point position corresponding with described each CAD subgraph paper; Described second processing module, also for when operator logs in client, multiple CAD subgraph paper operator being responsible for the CAD drawing in region from described server corresponding download to this locality; For each CAD subgraph paper in the plurality of CAD subgraph paper, the relative coordinate point position of the mark correspondence of this CAD subgraph paper is obtained from described database table, this CAD subgraph paper is imported in D modeling tool, and the ad-hoc location of this CAD subgraph paper is moved to this relative coordinate point position, this CAD subgraph paper carries out three-dimensional modeling, obtain the three-dimensional model that this CAD subgraph paper is corresponding, and this three-dimensional model is uploaded on described server.
When CAD drawing or CAD subgraph paper are for the CAD drawing of building body or CAD subgraph paper; Described second processing module, also for for the process of carrying out three-dimensional modeling on CAD drawing, records the corresponding relation between the mark of described CAD drawing and the elevation information of described CAD drawing corresponding building body in described database table; Or, for the process of carrying out three-dimensional modeling on CAD subgraph paper, in described database table, record the corresponding relation between the mark of described CAD subgraph paper and the elevation information of described CAD subgraph paper corresponding building body.
Described first processing module, time also for corresponding relation between the mark recording CAD drawing in the described database table relative coordinate point position corresponding with described CAD drawing, also records the scene number of described CAD drawing in described corresponding relation; Different CAD drawings is to there being different scenes number;
When recording the corresponding relation between the mark of the CAD subgraph paper relative coordinate point position corresponding with described CAD subgraph paper in described database table, in described corresponding relation, also record the scene number of described CAD subgraph paper; The scene of the scene of CAD subgraph paper number and corresponding CAD drawing is number identical.
Described second processing module, before downloading to this locality at CAD drawing operator being responsible for region from server, obtains the modeling state of the mark correspondence of CAD drawing from database table; Described modeling state is the first state or the second state, and the original state of described modeling state is the first state; First state representation allows to carry out three-dimensional modeling on CAD drawing, and the second state representation does not allow to carry out three-dimensional modeling on CAD drawing; When described modeling state is the first state, then CAD drawing operator being responsible for region from described server downloads to this locality, and is the second state by the modeling state of the mark correspondence of described CAD drawing by the first status modifier in described database table; Obtaining the three-dimensional model in described region, and after uploading on described server by described three-dimensional model, be then the first state by the modeling state of the mark correspondence of described CAD drawing by the second status modifier in described database table; When described modeling state is the second state, then refusal performs CAD drawing operator being responsible for region from described server and downloads to local process, waits for that described modeling Status Change is the first state.
Based on technique scheme, in the embodiment of the present invention, in three-dimensional modeling process under large scene (such as large-scale garden, school, city etc.), by recording the corresponding relation between the mark of CAD drawing and relative coordinate point position in the database table of server, import CAD drawing in D modeling tool after, the ad-hoc location of CAD drawing can be moved to relative coordinate point position, and carry out three-dimensional modeling on CAD drawing, obtain three-dimensional model.Based on this, when carrying out merging treatment to the three-dimensional model in multiple region, three-dimensional model due to each region is all for the three-dimensional model under relative coordinate point position, namely the three-dimensional model in each region has been the three-dimensional model of the former figure corresponding region of CAD, therefore only need directly each three-dimensional model to be superposed, namely the three-dimensional model of overall region corresponding to the former figure of CAD can be obtained, thus improve the efficiency of three-dimensional modeling, reduce the workload of three-dimensional modeling process, avoid workload when carrying out merging treatment to three-dimensional model larger, there is position deviation, the problems such as material file conflict.
Accompanying drawing explanation
Fig. 1 is the application scenarios schematic diagram in one embodiment of the present invention;
Fig. 2 is the process flow diagram of the method for three-dimensional modeling in one embodiment of the present invention;
Fig. 3 A-3F is the schematic diagram of the CAD drawing/CAD subgraph paper in one embodiment of the present invention;
Fig. 4 is the hardware structure diagram of the client in one embodiment of the present invention;
Fig. 5 is the structural drawing of the device of three-dimensional modeling in one embodiment of the present invention.
Embodiment
For problems of the prior art, propose a kind of method of three-dimensional modeling in the embodiment of the present invention, the method can be applied in the three-dimensional modeling process under large scene (such as large-scale garden, school, city etc.).Take Fig. 1 as the application scenarios schematic diagram of the embodiment of the present invention, the method can be applied in the system comprising server and multiple client.Wherein, under server operates in Linux environment, and open FTP (FileTransferProtocol, file transfer protocol (FTP)) service.User can use the information registration such as username and password to client, and carries out data interaction by this client and server, namely upload the data to server by FTP service, or, by FTP service from server downloading data.In addition, client can distinguish different users by different user names, and user can be divided into two kinds of authorities such as keeper and operator, and if user 1 is keeper, user 2 is operator.
Under above-mentioned application scenarios, as shown in Figure 2, the method for this three-dimensional modeling can comprise the following steps:
Step 201, after keeper logs in client, obtain CAD (ComputerAidedDesign, computer-aided design (CAD)) CAD drawing corresponding to each region in multiple regions of being divided into of former figure, and determine that the ad-hoc location of each CAD drawing obtained is (as upper left position, position, the upper right corner, position, the lower left corner, lower right position etc.) relative to the relative coordinate point position of the former figure of CAD, on each CAD drawing obtained is uploaded onto the server, and the corresponding relation between the mark recording each CAD drawing of acquisition in the database table of the server relative coordinate point position corresponding with each CAD drawing.
Step 202, after operator logs in client, the CAD drawing this operator being responsible for region from server downloads to this locality, the relative coordinate point position of the mark correspondence of this CAD drawing is obtained from the database table of server, in D modeling tool, import this CAD drawing, and the ad-hoc location of this CAD drawing is moved to the relative coordinate point position of this acquisition, this CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in this region, and on this three-dimensional model is uploaded onto the server.
Step 203, after keeper logs in client, carries out merging treatment to the three-dimensional model in multiple regions that the former figure of CAD is divided into, obtains the three-dimensional model of overall region corresponding to the former figure of this CAD.
As shown in figs. 3 a-3d, former for CAD figure, after obtaining the former figure of the CAD shown in Fig. 3 A, is divided into region A and region B, as shown in Figure 3 B by keeper.Each region be divided into independently becomes a CAD drawing, and mark special symbol (as small circle) at the ad-hoc location (as upper left position) in this region, and this special symbol uses color 1 (color1) to represent, as shown in Figure 3 C, CAD drawing corresponding to region B as shown in Figure 3 D for CAD drawing corresponding to region A.After former for CAD figure is divided into region A and region B, the unique identification (i.e. title) of each CAD drawing of rename, CAD drawing (Fig. 3 B) after cut zone be designated 1.dwg, the CAD drawing (Fig. 3 C) that region A is corresponding be designated 1-1.dwg, the CAD drawing (Fig. 3 D) that region B is corresponding be designated 1-2.dwg.
Based on the aforesaid operations of keeper, the CAD drawing 1-1.dwg that region A that the former figure of CAD is divided into is corresponding can be obtained, and obtain CAD drawing 1-2.dwg corresponding to region B.In addition, as shown in Figure 3 B, the ad-hoc location (as upper left position) that can obtain CAD drawing 1-1.dwg is (10 relative to the relative coordinate point position of the former figure of CAD, 1), and the ad-hoc location (as upper left position) obtaining CAD drawing 1-2.dwg is (3,8) relative to the relative coordinate point position of the former figure of CAD.Further, CAD drawing 1-1.dwg and corresponding relative coordinate point position (10 can be recorded in the database table of server, 1) corresponding relation between, and record CAD drawing 1-2.dwg and corresponding relative coordinate point position (3,8) corresponding relation between, a kind of example of database table as shown in table 1.
Table 1
| The mark of CAD drawing | Relative coordinate point position |
| CAD drawing 1-1.dwg | (10，1) |
| CAD drawing 1-2.dwg | (3，8) |
Based on the FTP service that server provides, CAD drawing is uploaded onto the server.On the CAD drawing 1.dwg shown in by Fig. 3 B uploads onto the server, on the CAD drawing 1-1.dwg shown in Fig. 3 C is uploaded onto the server, on the CAD drawing 1-2.dwg shown in Fig. 3 D is uploaded onto the server.
In a kind of specific implementation, in order to obtain the relative coordinate point position of ad-hoc location relative to the former figure of CAD of CAD drawing, this CAD drawing can be imported in the D modeling tool of client this locality.When importing this CAD drawing, default script can be utilized to travel through color 1 (color1) this color, then find the special symbol (as small circle) that the ad-hoc location (as upper left position) in this CAD drawing marks, and obtain the relative coordinate point position of this ad-hoc location relative to the former figure of CAD.
In a particular application, when keeper logs in client, if there is the regional compare that CAD drawing (being assumed to be CAD drawing A) is corresponding complicated, still multiple people is needed to process, then can also be partitioned into region on this CAD drawing A, and the region that this CAD drawing A is partitioned into independently is become a CAD drawing (being assumed to be CAD drawing B), and can determine that the ad-hoc location of CAD drawing B is (as upper left position, position, the upper right corner, position, the lower left corner, lower right position etc.) relative to the relative coordinate point position of the former figure of CAD, on CAD drawing B is uploaded onto the server, and the corresponding relation between the mark recording CAD drawing B in the database table of the server relative coordinate point position corresponding with this CAD drawing B.Further, if the regional compare that CAD drawing B is corresponding is complicated, still multiple people is needed to process, then can also be partitioned into region on this CAD drawing B, and the region that this CAD drawing B is partitioned into independently is become a CAD drawing (being assumed to be CAD drawing C), continue to perform above-mentioned flow process, by that analogy, until complete the cutting procedure of CAD drawing, obtain a CAD drawing in each region.
As shown in Fig. 3 E-3F, keeper is after obtaining CAD drawing 1-2.dwg corresponding to the region B shown in Fig. 3 D, CAD drawing 1-2.dwg corresponding for region B can also be partitioned into region C, as shown in FIGURE 3 E, the region be divided into independently becomes a CAD drawing (not being CAD subgraph paper), and mark special symbol (as small circle) at the ad-hoc location (as upper left position) of this region C, and this special symbol uses color 2 (color2) to represent, the CAD drawing that region C is corresponding can be as illustrated in Figure 3 F.After CAD drawing 1-2.dwg corresponding for region B is divided into region C, the unique identification (i.e. title) of rename CAD drawing, the unique identification of CAD drawing (Fig. 3 F) as corresponding in region C is 1-2-1.dwg.
Based on the aforesaid operations of keeper, the CAD drawing 1-2-1.dwg that region C that CAD drawing 1-2.dwg corresponding to region B be divided into is corresponding can be obtained.As shown in FIGURE 3 E, the ad-hoc location (as upper left position) that can obtain CAD drawing 1-2-1.dwg is (5,8) relative to the relative coordinate point position of the former figure of CAD.The example of database table as shown in table 2, can record the corresponding relation between CAD drawing 1-2-1.dwg and relative coordinate point position (5,8) in database table.
Table 2
| The mark of CAD drawing | Relative coordinate point position |
| CAD drawing 1-1.dwg | (10，1) |
| CAD drawing 1-2.dwg | (3，8) |
| CAD drawing 1-2-1.dwg | (5，8) |
Further, the FTP service provided based on server, on CAD drawing can being uploaded onto the server, on the CAD drawing 1-2-1.dwg shown in by Fig. 3 F uploads onto the server.
In the embodiment of the present invention, when keeper logs in client, if there is CAD drawing to be divided into multiple CAD subgraph paper (each CAD subgraph paper can a corresponding building needing to draw inner structure), then can also obtain multiple CAD subgraph paper that CAD drawing is divided into, and determine that the ad-hoc location of each CAD subgraph paper is (as upper left position, position, the upper right corner, position, the lower left corner, lower right position etc.) relative to the relative coordinate point position of this CAD drawing, on each CAD subgraph paper is uploaded onto the server, and the corresponding relation between the mark recording each CAD subgraph paper in the database table of the server relative coordinate point position corresponding with this each CAD subgraph paper.In actual applications, which building keeper can demarcate needs to draw inner structure, and these buildings can be building body.When region memory corresponding to CAD drawing is when needing the building of drawing inner structure, then can divide the CAD subgraph paper for needing the building of drawing inner structure on this CAD drawing, and the corresponding CAD subgraph paper of each building needing to draw inner structure.
In a kind of specific implementation, in order to obtain the relative coordinate point position of ad-hoc location relative to CAD drawing of CAD subgraph paper, CAD subgraph paper can be imported in the D modeling tool of client this locality.When importing CAD subgraph paper, default script can be utilized to travel through color 3 (color3) this color, then find the special symbol (as small circle) that the ad-hoc location (as upper left position) in CAD subgraph paper marks, and obtain the relative coordinate point position of this ad-hoc location relative to CAD drawing.
In actual applications, special symbol on different CAD drawings/CAD subgraph paper uses different colors to represent, default script can distinguish the special symbol of the different colours imported in D modeling tool, and the mode that the special symbol of different colours distinguished by this default script does not repeat them here.
In the embodiment of the present invention, when recording the corresponding relation between the mark of the CAD drawing relative coordinate point position corresponding with this CAD drawing in database table, the scene number of this CAD drawing can also be recorded in this corresponding relation; Wherein, different CAD drawings is to there being different scenes number.Further, when recording the corresponding relation between the mark of the CAD subgraph paper relative coordinate point position corresponding with this CAD subgraph paper in database table, the scene number of this CAD subgraph paper can also be recorded in this corresponding relation; Wherein, the scene of scene number and the corresponding CAD drawing of this CAD subgraph paper is number identical.
The example of database table as shown in table 3, when recording the corresponding relation between CAD drawing 1-1.dwg and relative coordinate point position (10,1) in database table, records the scene number 1 of CAD drawing 1-1.dwg in this corresponding relation.When recording the corresponding relation between CAD drawing 1-2.dwg and relative coordinate point position (3,8) in database table, in this corresponding relation, record the scene numbers 2 of CAD drawing 1-2.dwg.When recording the corresponding relation between CAD drawing 1-2-1.dwg and relative coordinate point position (5,8) in database table, in this corresponding relation, record the scene numbers 3 of CAD drawing 1-2-1.dwg.Wherein, suppose that CAD drawing 1-2-1.dwg has corresponding CAD subgraph paper (not embodying in table 3), then the scene of the scene of corresponding CAD subgraph paper number and CAD drawing 1-2-1.dwg is number identical, is scene numbers 3.
Table 3
| The mark of CAD drawing | Relative coordinate point position | Scene number |
| CAD drawing 1-1.dwg | (10，1) | Scene number 1 |
| CAD drawing 1-2.dwg | (3，8) | Scene numbers 2 |
| CAD drawing 1-2-1.dwg | (5，8) | Scene numbers 3 |
In a kind of specific implementation, following field can be recorded in database table: 1, zone name, the title in the region be namely partitioned into, as the building 1 of A garden, the building 2 of A garden, the 3rd layer of the building 2 of A garden.2, the mark of CAD drawing, as CAD drawing 1-1.dwg, CAD drawing 1-2.dwg, CAD drawing 1-2-1.dwg etc.3, the mark of MAX file, when uploading CAD drawing/CAD subgraph paper to server, MAX file be designated sky, in subsequent process, this field is upgraded.4, scene number, as scene number 1, scene numbers 2 etc.5, relative coordinate point position, as (10,1), (3,8), (5,8) etc.6, user name, represents current to the user that CAD drawing/CAD subgraph paper is edited, and when uploading CAD drawing/CAD subgraph paper to server, user is by name empty, upgrades in subsequent process to this field.7, Lou Hao, as building 1, building 2 etc.8, floor number, as 3 layers of building 1,4 layers of building 1 etc.9, floor height, the i.e. height of floor, when uploading CAD drawing/CAD subgraph paper to server, floor height is empty, upgrades in subsequent process to this field.
In actual applications, because floor is longitudinal stack, therefore relative coordinate point position is identical on CAD drawing/CAD subgraph paper.Based on this, when the different floors for same building divide different regions, CAD drawing/CAD subgraph paper that then different regions is corresponding different, and the ad-hoc location (as upper left position) of different CAD drawings/CAD subgraph paper is identical relative to the relative coordinate point position of CAD former figure/CAD drawing.Such as, in the relative recording of database table, relative coordinate point position corresponding to 3 layers of building 1 is identical with 4 layers of building 1 corresponding relative coordinate point position.
Suppose that operator 1 is responsible for the three-dimensional modeling process of the CAD drawing of region A, then after operator 1 logs in client, from server, the CAD drawing 1-1.dwg shown in Fig. 3 C corresponding for region A is downloaded to this locality, the relative coordinate point position (10,1) that CAD drawing 1-1.dwg is corresponding is obtained from the database table of server.In order to follow-up merging is convenient, when importing CAD drawing 1-1.dwg in D modeling tool, the ad-hoc location (as upper left position) of CAD drawing 1-1.dwg is moved to relative coordinate point position (10,1).On this basis, CAD drawing 1-1.dwg carries out three-dimensional modeling, obtains the three-dimensional model of region A, and on the three-dimensional model of this region A is uploaded onto the server.
Wherein, be configured with D modeling tool on the client, this D modeling tool specifically includes but not limited to 3DMAX (namely three-dimensional animation is played up and Software for producing) instrument, this 3DMAX instrument can utilize MaxScript script to make, and C# dynamic base can be called, to realize three-dimensional modeling process.When adopting 3DMAX instrument to carry out three-dimensional modeling, then the three-dimensional model of the region A obtained is uploaded onto the server with the form of MAX file.After the three-dimensional model of region A is uploaded onto the server, can also by the identification renewal of the MAX file of the three-dimensional model of region A in database table.
In the embodiment of the present invention, when operator logs in client, multiple CAD subgraph paper operator can also being responsible for the CAD drawing in region from server corresponding download to this locality.For each CAD subgraph paper in multiple CAD subgraph paper, the relative coordinate point position of the mark correspondence of this CAD subgraph paper is obtained from database table, this CAD subgraph paper is imported in D modeling tool, and the ad-hoc location of this CAD subgraph paper is moved to this relative coordinate point position, this CAD subgraph paper carries out three-dimensional modeling, obtain the three-dimensional model that this CAD subgraph paper is corresponding, and on this three-dimensional model is uploaded onto the server.
Suppose that operator 2 is responsible for the three-dimensional modeling process of the CAD drawing of region B, then after operator 2 logs in client, from server, by the CAD subgraph paper of the CAD drawing 1-2.dwg shown in Fig. 3 D corresponding to the B of region and correspondence, (this has sentenced CAD subgraph paper is example, but do not embody CAD subgraph paper in figure) download to this locality, and from database table, obtain relative coordinate point position (3,8) corresponding to this CAD drawing 1-2.dwg, this relative coordinate point position corresponding to CAD subgraph paper.In order to follow-up merging is convenient, when importing CAD drawing 1-2.dwg in D modeling tool, the ad-hoc location (as upper left position) of this CAD drawing 1-2.dwg is moved to relative coordinate point position (3,8), and three-dimensional modeling is carried out on this CAD drawing 1-2.dwg, obtain the three-dimensional model of region B, and on the three-dimensional model of this region B is uploaded onto the server.The process importing this CAD subgraph paper in D modeling tool is similar with the process importing CAD drawing, does not repeat them here.
In above process, the all CAD subgraph paper corresponding due to CAD drawing and this CAD drawing have identical scene number, therefore, after operator 2 logs in client, first obtain the CAD drawing 1-2.dwg that operator 2 is responsible for region B, and from server, CAD drawing 1-2.dwg is downloaded to this locality.Afterwards, determine the corresponding scene of CAD drawing 1-2.dwg numbers 2, and all CAD subgraph paper of scene number 2 correspondences are downloaded to this locality.
For the process of carrying out three-dimensional modeling on CAD drawing/CAD subgraph paper, the built-in script of D modeling tool can be used automatically to complete three-dimensional modeling process or manually complete three-dimensional modeling process.When using script automatically to complete three-dimensional modeling process, by MaxScript scripting language program, different models is drawn to the pickup of the line transect of different colours in CAD drawing/CAD subgraph paper.Such as, when CAD drawing carries out three-dimensional modeling, first traversal draws the relevant building of color4, create dough sheet and give road material, then traversal draws the relevant building of color3, directly draw high model by script, give the material be applicable to, then traversal draws the relevant building (being assumed to be building body) of color2, and the height that the elevation information of floor draws high according to last layer superposes, and continues through script subsequently and draws high model, give the material be applicable to, then traversal draws the relevant building of color1, by that analogy, until complete three-dimensional modeling process.
In the embodiment of the present invention, when CAD drawing or CAD subgraph paper are for the CAD drawing of building body or CAD subgraph paper, for the process of carrying out three-dimensional modeling on CAD drawing, the corresponding relation between the mark of this CAD drawing and the elevation information of this CAD drawing corresponding building body can also be recorded in database table.For the process of carrying out three-dimensional modeling on CAD subgraph paper, the corresponding relation between the mark of this CAD subgraph paper and the elevation information of this CAD subgraph paper corresponding building body can also be recorded in database table.Such as, when fields such as the mark of the mark of posting field title, CAD drawing in database table, MAX file, scene number, relative coordinate point position, user name, Lou Hao, floor number, floor heights, at the elevation information of floor height field record CAD drawing/CAD subgraph paper corresponding building body of database table.
In the embodiment of the present invention, when operator logs in client, before CAD drawing operator being responsible for region from server downloads to this locality, namely before performing step 202, can also obtain the modeling state of the mark correspondence of CAD drawing from database table, modeling state is the first state or the second state, and the original state of modeling state is the first state, first state representation allows to carry out three-dimensional modeling on CAD drawing, and the second state representation does not allow to carry out three-dimensional modeling on CAD drawing.When modeling state is the first state, then perform CAD drawing operator being responsible for region from server and download to local process and subsequent process, namely perform step 202, and be the second state by the modeling state of the mark correspondence of CAD drawing by the first status modifier in database table; Obtaining the three-dimensional model in region, and after being uploaded onto the server by three-dimensional model, after namely performing step 202, be then the first state by the modeling state of the mark correspondence of CAD drawing by the second status modifier in database table.When modeling state is the second state, then refusal performs CAD drawing operator being responsible for region from server and downloads to local process, and namely refusal performs step 202, waits for that modeling Status Change is the first state.
In a kind of specific implementation, the corresponding relation between the mark of CAD drawing and modeling state can be safeguarded in database table, and the original state of modeling state is the first state (as checkin (registration) state), now allows new operator to carry out three-dimensional modeling on CAD drawing.Performing for CAD drawing in the process of step 202, being the second state (as checkout (verification) state) by modeling state by the first status modifier, now not allowing new operator to carry out three-dimensional modeling on CAD drawing.After to CAD drawing execution of step 202, be the first state by modeling state by the second status modifier, now allow new operator to carry out three-dimensional modeling on CAD drawing.Based on aforesaid way, can ensure at one time to only have an operator to carry out three-dimensional modeling on CAD drawing.
In another kind of specific implementation, when fields such as the mark of the mark of posting field title, CAD drawing in database table, MAX file, scene number, relative coordinate point position, user name, Lou Hao, floor number, floor heights, then can based on user name determination modeling state.Wherein, the original state of user name is empty (representing the first state), now allows new operator to carry out three-dimensional modeling on CAD drawing.Performing in the process of step 202 for CAD drawing, user name being revised as the user name (representing the second state) of the operator carrying out three-dimensional modeling, now not allowing new operator to carry out three-dimensional modeling on CAD drawing.After to CAD drawing execution of step 202, user name is revised as sky, now allows new operator to carry out three-dimensional modeling on CAD drawing.Based on aforesaid way, can ensure at one time to only have an operator to carry out three-dimensional modeling on CAD drawing.
In the embodiment of the present invention, CAD drawing carries out in the process of three-dimensional modeling, if do not complete three-dimensional modeling process, namely do not obtain corresponding three-dimensional model, the MAX file (the MAX file comprising completed MAX file and do not complete) of project file in three-dimensional modeling process and correspondence can also be preserved on the server.Wherein, the content of this project file can comprise zone name, the mark of CAD drawing, the mark of MAX file, scene number, the information such as Lou Hao, floor number, floor height.After the MAX file of project file and correspondence is saved in server, in the database table of server, record the corresponding relation between the scene number of CAD drawing and the mark of this project file.Based on this, after operator logs in client, obtain the scene number that operator is responsible for region, when there is the mark of this scene number corresponding project file, download the project file of the mark correspondence of this project file and the MAX file of correspondence from server, and open this project file.If this locality exists the CAD drawing corresponding to the information in this project file, then directly on the CAD drawing of this locality, carry out three-dimensional modeling.If this locality does not exist the CAD drawing corresponding to the information in this project file, then download corresponding CAD drawing from server, and carry out three-dimensional modeling on the CAD drawing downloaded.
In the merging process of the three-dimensional model in multiple region, after keeper logs in client, first three-dimensional model corresponding for multiple CAD subgraph paper corresponding for CAD drawing can be merged into the three-dimensional model of this CAD drawing, then the three-dimensional model that multiple CAD drawing is corresponding is respectively merged into the three-dimensional model of the former figure of CAD, thus the three-dimensional model of overall region corresponding to the former figure of this CAD can be obtained.
When the three-dimensional model in all regions is all completed, keeper can download all three-dimensional models of having uploaded onto the server, and carries out merging treatment to all three-dimensional models.Three-dimensional model due to all CAD drawings is all carry out three-dimensional modeling under the coordinate system of the former figure of CAD, namely all three-dimensional models are all complete under same coordinate system, so do not need to carry out special processing, directly each three-dimensional model is superposed, namely can obtain the three-dimensional model of overall region corresponding to the former figure of CAD.
In actual applications, for CAD drawing or the CAD subgraph paper of building body, when carrying out merging treatment to the three-dimensional model of CAD drawing or CAD subgraph paper, the floor height information recorded in database table can be obtained, namely the height value recorded in database table is utilized to carry out overlap-add procedure, these process can be completed automatically by script, finally can view whole structure, and concrete processing procedure does not repeat them here.
Based on technique scheme, in the embodiment of the present invention, in three-dimensional modeling process under large scene (such as large-scale garden, school, city etc.), by recording the corresponding relation between the mark of CAD drawing and relative coordinate point position in the database table of server, import CAD drawing in D modeling tool after, the ad-hoc location of CAD drawing can be moved to relative coordinate point position, and carry out three-dimensional modeling on CAD drawing, obtain three-dimensional model.Based on this, when carrying out merging treatment to the three-dimensional model in multiple region, three-dimensional model due to each region is all for the three-dimensional model under relative coordinate point position, namely the three-dimensional model in each region has been the three-dimensional model of the former figure corresponding region of CAD, therefore only need directly each three-dimensional model to be superposed, namely the three-dimensional model of overall region corresponding to the former figure of CAD can be obtained, thus improve the efficiency of three-dimensional modeling, reduce the workload of three-dimensional modeling process, avoid workload when carrying out merging treatment to three-dimensional model larger, there is position deviation, the problems such as material file conflict.
Based on the inventive concept same with said method, also provide a kind of device of three-dimensional modeling in the embodiment of the present invention, the device of this three-dimensional modeling can be applied on the client.The device of this three-dimensional modeling can pass through software simulating, also can be realized by the mode of hardware or software and hardware combining.For software simulating, as the device on a logical meaning, be by the processor of the client at its place, computer program instructions corresponding in nonvolatile memory is read operation in internal memory to be formed.Say from hardware view, as shown in Figure 4, be a kind of hardware structure diagram of the client at the device place of three-dimensional modeling, except the processor shown in Fig. 4, network interface, internal memory and nonvolatile memory, client also can comprise other hardware, as the forwarding chip etc. of responsible process message; May be also distributed apparatus from this client of hardware configuration, multiple interface card may be comprised, to carry out the expansion of Message processing at hardware view.
As shown in Figure 5, be the structural drawing of the device of the three-dimensional modeling of the present invention's proposition, described device comprises:
First processing module 11, for after keeper logs in client, the CAD drawing that each region in multiple regions that the former figure of acquisition CAD is divided into is corresponding, and determine the relative coordinate point position of ad-hoc location relative to the former figure of CAD of each CAD drawing obtained, on each CAD drawing obtained is uploaded onto the server, and the corresponding relation between the mark recording each CAD drawing of acquisition in the database table of the server relative coordinate point position corresponding with described each CAD drawing; Second processing module 12, for after operator logs in client, CAD drawing operator being responsible for region from server downloads to this locality, the relative coordinate point position of the mark correspondence of described CAD drawing is obtained from described database table, described CAD drawing is imported in D modeling tool, and the ad-hoc location of described CAD drawing is moved to described relative coordinate point position, described CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in described region, and on described three-dimensional model is uploaded onto the server; 3rd processing module 13, for after keeper logs in client, carries out merging treatment to the three-dimensional model in multiple regions that the former figure of described CAD is divided into, obtains the three-dimensional model of overall region corresponding to the former figure of described CAD.
In the embodiment of the present invention, described first processing module 11, also for when keeper logs in client, obtain multiple CAD subgraph paper that CAD drawing is divided into, determine the relative coordinate point position of the ad-hoc location of each CAD subgraph paper relative to this CAD drawing, on being uploaded onto the server by each CAD subgraph paper, in described database table, record the corresponding relation between the mark of each CAD subgraph paper relative coordinate point position corresponding with described each CAD subgraph paper; Described second processing module 12, also for when operator logs in client, multiple CAD subgraph paper operator being responsible for the CAD drawing in region from described server corresponding download to this locality; For each CAD subgraph paper in the plurality of CAD subgraph paper, the relative coordinate point position of the mark correspondence of this CAD subgraph paper is obtained from described database table, this CAD subgraph paper is imported in D modeling tool, and the ad-hoc location of this CAD subgraph paper is moved to this relative coordinate point position, this CAD subgraph paper carries out three-dimensional modeling, obtain the three-dimensional model that this CAD subgraph paper is corresponding, and this three-dimensional model is uploaded on described server.
In the embodiment of the present invention, when CAD drawing or CAD subgraph paper are for the CAD drawing of building body or CAD subgraph paper; Described second processing module 12, also for for the process of carrying out three-dimensional modeling on CAD drawing, records the corresponding relation between the mark of described CAD drawing and the elevation information of described CAD drawing corresponding building body in described database table; Or, for the process of carrying out three-dimensional modeling on CAD subgraph paper, in described database table, record the corresponding relation between the mark of described CAD subgraph paper and the elevation information of described CAD subgraph paper corresponding building body.
Described first processing module 11, time also for corresponding relation between the mark recording CAD drawing in the described database table relative coordinate point position corresponding with described CAD drawing, also records the scene number of described CAD drawing in described corresponding relation; Different CAD drawings is to there being different scenes number;
When recording the corresponding relation between the mark of the CAD subgraph paper relative coordinate point position corresponding with described CAD subgraph paper in described database table, in described corresponding relation, also record the scene number of described CAD subgraph paper; The scene of the scene of CAD subgraph paper number and corresponding CAD drawing is number identical.
Described second processing module 12, before downloading to this locality at CAD drawing operator being responsible for region from server, obtains the modeling state of the mark correspondence of CAD drawing from database table; Described modeling state is the first state or the second state, and the original state of described modeling state is the first state; First state representation allows to carry out three-dimensional modeling on CAD drawing, and the second state representation does not allow to carry out three-dimensional modeling on CAD drawing; When described modeling state is the first state, then CAD drawing operator being responsible for region from described server downloads to this locality, and is the second state by the modeling state of the mark correspondence of described CAD drawing by the first status modifier in described database table; Obtaining the three-dimensional model in described region, and after uploading on described server by described three-dimensional model, be then the first state by the modeling state of the mark correspondence of described CAD drawing by the second status modifier in described database table; When described modeling state is the second state, then refusal performs CAD drawing operator being responsible for region from described server and downloads to local process, waits for that described modeling Status Change is the first state.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a method for three-dimensional modeling, is characterized in that, said method comprising the steps of:
After keeper logs in client, the CAD drawing that each region in multiple regions that the former figure of acquisition computer aided design cad is divided into is corresponding, and determine the relative coordinate point position of ad-hoc location relative to the former figure of described CAD of each CAD drawing obtained, on each CAD drawing obtained is uploaded onto the server, and the corresponding relation between the mark recording each CAD drawing of acquisition in the database table of the described server relative coordinate point position corresponding with described each CAD drawing;
After operator logs in client, CAD drawing operator being responsible for region from described server downloads to this locality, the relative coordinate point position of the mark correspondence of described CAD drawing is obtained from the database table of described server, described CAD drawing is imported in D modeling tool, and the ad-hoc location of described CAD drawing is moved to described relative coordinate point position, described CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in described region, and described three-dimensional model is uploaded on described server;
After keeper logs in client, merging treatment is carried out to the three-dimensional model in multiple regions that the former figure of described CAD is divided into, obtain the three-dimensional model of overall region corresponding to the former figure of described CAD.
2. method according to claim 1, is characterized in that, described method comprises further:
When keeper logs in client, obtain multiple CAD subgraph paper that CAD drawing is divided into, determine the relative coordinate point position of the ad-hoc location of each CAD subgraph paper relative to this CAD drawing, on being uploaded onto the server by each CAD subgraph paper, in described database table, record the corresponding relation between the mark of each CAD subgraph paper relative coordinate point position corresponding with described each CAD subgraph paper;
When operator logs in client, multiple CAD subgraph paper operator being responsible for the CAD drawing in region from described server corresponding download to this locality; For each CAD subgraph paper in the plurality of CAD subgraph paper, the relative coordinate point position of the mark correspondence of this CAD subgraph paper is obtained from described database table, this CAD subgraph paper is imported in D modeling tool, and the ad-hoc location of this CAD subgraph paper is moved to this relative coordinate point position, this CAD subgraph paper carries out three-dimensional modeling, obtain the three-dimensional model that this CAD subgraph paper is corresponding, and this three-dimensional model is uploaded on described server.
3. method according to claim 1 and 2, is characterized in that, when CAD drawing or CAD subgraph paper are for the CAD drawing of building body or CAD subgraph paper, described method comprises further:
For the process of carrying out three-dimensional modeling on CAD drawing, in database table, record the corresponding relation between the mark of described CAD drawing and the elevation information of described CAD drawing corresponding building body; Or, for the process of carrying out three-dimensional modeling on CAD subgraph paper, in database table, record the corresponding relation between the mark of described CAD subgraph paper and the elevation information of described CAD subgraph paper corresponding building body.
4. method according to claim 2, is characterized in that, described method comprises further:
When recording the corresponding relation between the mark of the CAD drawing relative coordinate point position corresponding with described CAD drawing in described database table, in described corresponding relation, also record the scene number of described CAD drawing; Wherein, different CAD drawings is to there being different scenes number;
When recording the corresponding relation between the mark of the CAD subgraph paper relative coordinate point position corresponding with described CAD subgraph paper in described database table, in described corresponding relation, also record the scene number of described CAD subgraph paper; Wherein, the scene of scene number and the corresponding CAD drawing of CAD subgraph paper is number identical.
5. method according to claim 1, is characterized in that, described method comprises further:
Before CAD drawing operator being responsible for region from server downloads to this locality, from database table, obtain the modeling state of the mark correspondence of CAD drawing; Described modeling state is the first state or the second state, and the original state of described modeling state is the first state; First state representation allows to carry out three-dimensional modeling on CAD drawing, and the second state representation does not allow to carry out three-dimensional modeling on CAD drawing;
When described modeling state is the first state, then perform CAD drawing operator being responsible for region from described server and download to local process, and be the second state by the modeling state of the mark correspondence of described CAD drawing by the first status modifier in described database table; Obtaining the three-dimensional model in described region, and after uploading on described server by described three-dimensional model, be then the first state by the modeling state of the mark correspondence of described CAD drawing by the second status modifier in described database table;
When described modeling state is the second state, then refusal performs CAD drawing operator being responsible for region from described server and downloads to local process, waits for that described modeling Status Change is the first state.
6. a device for three-dimensional modeling, is characterized in that, described device specifically comprises:
First processing module, for after keeper logs in client, the CAD drawing that each region in multiple regions that the former figure of acquisition computer aided design cad is divided into is corresponding, and determine the relative coordinate point position of ad-hoc location relative to the former figure of CAD of each CAD drawing obtained, on each CAD drawing obtained is uploaded onto the server, and the corresponding relation between the mark recording each CAD drawing of acquisition in the database table of the server relative coordinate point position corresponding with described each CAD drawing;
Second processing module, for after operator logs in client, CAD drawing operator being responsible for region from server downloads to this locality, the relative coordinate point position of the mark correspondence of described CAD drawing is obtained from described database table, described CAD drawing is imported in D modeling tool, and the ad-hoc location of described CAD drawing is moved to described relative coordinate point position, described CAD drawing carries out three-dimensional modeling, obtain the three-dimensional model in described region, and on described three-dimensional model is uploaded onto the server;
3rd processing module, for after keeper logs in client, carries out merging treatment to the three-dimensional model in multiple regions that the former figure of described CAD is divided into, obtains the three-dimensional model of overall region corresponding to the former figure of described CAD.
7. device according to claim 6, is characterized in that,
Described first processing module, also for when keeper logs in client, obtain multiple CAD subgraph paper that CAD drawing is divided into, determine the relative coordinate point position of the ad-hoc location of each CAD subgraph paper relative to this CAD drawing, on being uploaded onto the server by each CAD subgraph paper, in described database table, record the corresponding relation between the mark of each CAD subgraph paper relative coordinate point position corresponding with described each CAD subgraph paper;
Described second processing module, also for when operator logs in client, multiple CAD subgraph paper operator being responsible for the CAD drawing in region from described server corresponding download to this locality; For each CAD subgraph paper in the plurality of CAD subgraph paper, the relative coordinate point position of the mark correspondence of this CAD subgraph paper is obtained from described database table, this CAD subgraph paper is imported in D modeling tool, and the ad-hoc location of this CAD subgraph paper is moved to this relative coordinate point position, this CAD subgraph paper carries out three-dimensional modeling, obtain the three-dimensional model that this CAD subgraph paper is corresponding, and this three-dimensional model is uploaded on described server.
8. the device according to claim 6 or 7, is characterized in that, when CAD drawing or CAD subgraph paper are for the CAD drawing of building body or CAD subgraph paper;
Described second processing module, also for for the process of carrying out three-dimensional modeling on CAD drawing, records the corresponding relation between the mark of described CAD drawing and the elevation information of described CAD drawing corresponding building body in described database table; Or, for the process of carrying out three-dimensional modeling on CAD subgraph paper, in described database table, record the corresponding relation between the mark of described CAD subgraph paper and the elevation information of described CAD subgraph paper corresponding building body.
9. device according to claim 7, is characterized in that,
Described first processing module, time also for corresponding relation between the mark recording CAD drawing in the described database table relative coordinate point position corresponding with described CAD drawing, also records the scene number of described CAD drawing in described corresponding relation; Different CAD drawings is to there being different scenes number;
When recording the corresponding relation between the mark of the CAD subgraph paper relative coordinate point position corresponding with described CAD subgraph paper in described database table, in described corresponding relation, also record the scene number of described CAD subgraph paper; The scene of the scene of CAD subgraph paper number and corresponding CAD drawing is number identical.
10. device according to claim 6, is characterized in that,
Described second processing module, before downloading to this locality at CAD drawing operator being responsible for region from server, obtains the modeling state of the mark correspondence of CAD drawing from database table; Described modeling state is the first state or the second state, and the original state of described modeling state is the first state; First state representation allows to carry out three-dimensional modeling on CAD drawing, and the second state representation does not allow to carry out three-dimensional modeling on CAD drawing; When described modeling state is the first state, then CAD drawing operator being responsible for region from described server downloads to this locality, and is the second state by the modeling state of the mark correspondence of described CAD drawing by the first status modifier in described database table; Obtaining the three-dimensional model in described region, and after uploading on described server by described three-dimensional model, be then the first state by the modeling state of the mark correspondence of described CAD drawing by the second status modifier in described database table; When described modeling state is the second state, then refusal performs CAD drawing operator being responsible for region from described server and downloads to local process, waits for that described modeling Status Change is the first state.
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