CN103020402B - Modeling method and modeling device - Google Patents
Modeling method and modeling device Download PDFInfo
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- CN103020402B CN103020402B CN201310008149.XA CN201310008149A CN103020402B CN 103020402 B CN103020402 B CN 103020402B CN 201310008149 A CN201310008149 A CN 201310008149A CN 103020402 B CN103020402 B CN 103020402B
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Abstract
The invention discloses a modeling method and a modeling device. The modeling method includes: acquiring a cutting target model; acquiring a cutting tool model and the relative positional relation between the cutting tool model and the cutting target model; obtaining a cutting tool body according to the relative positional relation between the cutting tool model and the cutting target model; subjecting the cutting tool body and the cutting target model to the Boolean operation for cutting the cutting target model to obtain cut sheets of the cutting target model; determining a first sheet which is a sheet, needed to be reserved, in the cut sheets; and taking the first sheet as a modeling result. Using the modeling method and the modeling device can solve the problem of low design intent expression accuracy of modeling results in the prior art.
Description
Technical field
The present invention relates to computer realm, in particular to a kind of modeling method and device.
Background technology
Along with Three-dimensional CAD Software is in manufacturing widespread use, the complexity of the model handled by software is also in continuous increase.The friendship union of initial CAD system tightly between support model, the model participating in computing is also confined to square cylinder; Present state-of-the-art CAD system has been supported to comprise parametric spline curve curved surface, B-spline surfaces etc. are at interior various complex geometry method for expressing, and containing abundant entity and curved surface modeling function, but along with increasing of CAD system function, higher requirement be it is also proposed to the professional skill of engineering staff.
Prior art mostly adopts and first creates the modeling method that body of tool carries out Boolean calculation again, because so explicit establishment body of tool feature will certainly cause the redundancy of feature, cause the fuzzy expression of system to design idea, reduce the accuracy that design idea is expressed, thus later modeling behavior is caused a hidden trouble, such as, a part body is made a call to a through hole, according to technology in the past, need first to create a stretch characteristic according to sketch, then do boolean's reducing.Need input one to stretch height when creating stretch characteristic, input a numerical value larger than current part body this time just passable.But, this is a kind of fuzzy expression of design idea, and namely to express accuracy not high for design idea, and the real design idea of user goes to make a call to a through hole with the stretch characteristic of an endless, through all part materials, and this cannot accomplish at existing middle use stretch characteristic.
Figure 1A is the schematic diagram of model before treatment in prior art, and Figure 1B is the schematic diagram of the model in prior art after process.As shown in the figure, obtain the result shown in Figure 1B from the cross one another curved surface of two Figure 1A, the modeling pattern of prior art needs surface trimming+curved surface to sew up or curved surface segmentation+curved surface is sewed up.
Express the not high problem of accuracy for the design idea in modeling result in prior art, not yet propose effective solution at present.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of modeling method and device, expresses the not high problem of accuracy with the design idea solved in prior art in modeling result.
To achieve these goals, according to an aspect of the present invention, a kind of modeling method is provided.This modeling method comprises: obtain cutting object module; Obtain the relative position relation of crop tool model and crop tool model and cutting object module; Cutter is obtained concrete according to crop tool model and relative position relation; By cutter, concrete and cutting object module carries out Boolean calculation to carry out cutting to cutting object module, obtains the cutting lamellar body of cutting object module; Determine the first lamellar body, wherein, the first lamellar body is the lamellar body needing in cutting lamellar body to retain; Using the first lamellar body as modeling result.
Further, obtain cutter according to crop tool model and relative position relation specifically to comprise: the type obtaining crop tool model; Obtain mapping table, store the modeling pattern that the type of crop tool model is corresponding in mapping table, modeling pattern is for carrying out modeling to obtain the concrete modeling pattern of cutter according to relative position relation to crop tool model; By the modeling pattern that the type of mapping table determination crop tool model is corresponding; According to modeling pattern, modeling is carried out to crop tool model, obtain cutter concrete.
Further, according to modeling pattern, modeling is carried out to crop tool model, obtain cutter and specifically comprise: the regional extent obtaining cutting object module; The regional extent that cutter is concrete is determined according to the regional extent of cutting object module and relative position relation.
Further, obtain according to crop tool model and relative position relation cutter concrete before, the method also comprises: determine cutting direction; Wherein, obtain cutter according to crop tool model and relative position relation specifically to comprise: obtain cutter according to crop tool model, relative position relation and cutting direction concrete.
Further, determine that the first lamellar body comprises: the first instruction obtaining user's input, wherein, the first instruction is for determining the lamellar body needing in cutting lamellar body to retain; The first lamellar body is determined according to the first instruction.
Further, the first lamellar body is multiple, is comprised by the first lamellar body as modeling result: the merge command obtaining user's input; According to merge command, multiple first lamellar body is merged; Using the first lamellar body after merging as modeling result.
To achieve these goals, according to a further aspect in the invention, a kind of model building device is provided.This model building device comprises: the first acquisition module, for obtaining cutting object module; Second acquisition module, for obtaining the relative position relation of crop tool model and crop tool model and cutting object module; First execution module, concrete for obtaining cutter according to crop tool model and relative position relation; Cutting module, carries out Boolean calculation to carry out cutting to cutting object module for cutter is concrete and cutting object module, obtains the cutting lamellar body of cutting object module; Second execution module, for determining the first lamellar body, wherein, the first lamellar body is the lamellar body needing in cutting lamellar body to retain; 3rd execution module, for using the first lamellar body as modeling result.
Further, the first execution module comprises: the first acquiring unit, for obtaining the type of crop tool model; Second acquisition unit, for obtaining mapping table, stores the modeling pattern that the type of crop tool model is corresponding in mapping table, modeling pattern is for carrying out modeling to obtain the concrete modeling pattern of cutter according to relative position relation to crop tool model; First performance element, for by modeling pattern corresponding to the type of mapping table determination crop tool model; Modeling unit, for carrying out modeling according to modeling pattern to crop tool model, obtains cutter concrete.
Further, modeling unit comprises: first obtains subelement, for obtaining the regional extent of cutting object module; First performs subelement, for determining according to the regional extent of cutting object module and relative position relation the regional extent that cutter is concrete.
Further, this device also comprises: the first determination module, for determining cutting direction; Wherein, the first execution module is concrete for obtaining cutter according to crop tool model, relative position relation and cutting direction.
Further, the second execution module comprises: the 3rd acquiring unit, and for obtaining the first instruction of user's input, wherein, the first instruction is for determining the lamellar body needing in cutting lamellar body to retain; Second performance element, for determining the first lamellar body according to the first instruction.
Further, the first lamellar body is multiple, and the 3rd execution module comprises: the 4th acquiring unit, for obtaining the merge command of user's input; Merge cells, for merging multiple first lamellar body according to merge command; 3rd performance element, for using merge after the first lamellar body as modeling result.
By the present invention, the design idea solved in prior art in modeling result expresses the not high problem of accuracy, and then reaches the effect improving design idea expression accuracy.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1A is the schematic diagram of model before treatment in prior art;
Figure 1B is the schematic diagram of the model in prior art after process;
Fig. 2 A is the structural drawing of a kind of model building device according to the embodiment of the present invention;
Fig. 2 B is the structural drawing of a kind of first execution module according to the embodiment of the present invention;
Fig. 2 C is the structural drawing of a kind of second execution module according to the embodiment of the present invention;
Fig. 2 D is the structural drawing of a kind of 3rd execution module according to the embodiment of the present invention;
Fig. 3 A and Fig. 3 B is the schematic diagram of union in the embodiment of the present invention;
Fig. 4 A and Fig. 4 B is the schematic diagram occured simultaneously in the embodiment of the present invention;
Fig. 5 A and Fig. 5 B is the schematic diagram of difference set in the embodiment of the present invention;
Fig. 6 A and Fig. 6 B is the schematic diagram of the calculating cutting dough sheet of variable grain degree in the embodiment of the present invention;
Fig. 7 is the structural drawing of the another kind of model building device according to the embodiment of the present invention;
Fig. 8 is the process flow diagram of a kind of modeling method according to the embodiment of the present invention;
Fig. 9 is the process flow diagram of the another kind of modeling method according to the embodiment of the present invention; And
Figure 10 is the process flow diagram of another modeling method according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 2 A is the structural drawing of a kind of model building device according to the embodiment of the present invention, and as shown in Figure 2 A, the model building device of this embodiment comprises:
First acquisition module 101, for obtaining cutting object module.
This cutting object module is the object that user wants cutting, and such as, this cutting object module can be entity or curved body.
Second acquisition module 102, for obtaining the relative position relation of crop tool model and this crop tool model and this cutting object module.
For the relative position relation of crop tool model and cutting object module, after user's input tool and target, can be calculated by the information of instrument and target.
This crop tool model can comprise with Types Below:
Entity, curved body, curve, face and modeling reference field.
First execution module 103, concrete for obtaining cutter according to this crop tool model and this relative position relation.
Cutting module 104, carries out Boolean calculation to carry out cutting to this cutting object module for this cutter is concrete and this cutting object module, obtains the cutting lamellar body of this cutting object module.
Such as, this cutter can be carried out the computing of union, difference set or common factor at concrete and this cutting object module, thus obtain cutting lamellar body.
Fig. 3 A and Fig. 3 B is the schematic diagram in the embodiment of the present invention before and after union.As shown in the figure, by the union process of model, by two model combinations, crossing part is deleted, and computing completes latter two object will become an object.
Fig. 4 A and Fig. 4 B is the schematic diagram occured simultaneously in the embodiment of the present invention.As shown in the figure, be exactly that the part that two models intersect is remained to the common factor process of model, delete disjoint part.
Fig. 5 A and Fig. 5 B is the schematic diagram of difference set in the embodiment of the present invention.As shown in the figure, be exactly in A object, deduct the part overlapped with B object to the difference set process of model.
In addition, can also the cutting lamellar body obtained be processed accordingly, to control the granularity of the cutting lamellar body obtained.Fig. 6 A and Fig. 6 B is the schematic diagram of the calculating cutting dough sheet of variable grain degree in the embodiment of the present invention.
Second execution module 105, for determining the first lamellar body, wherein, this first lamellar body is the lamellar body needing in this cutting lamellar body to retain.
Such as, can by tool approach to determining the first lamellar body, namely determine the first lamellar body according to the input of user or the normal direction of curved surface that automatically calculates.
3rd execution module 106, for using this first lamellar body as modeling result.
The model building device that the embodiment of the present invention provides, automatically cutter is obtained concrete by the relative position relation of crop tool model and this crop tool model and this cutting object module, because this cutter is specifically with the key message of design idea, user is not needed to go to define the concrete feature of cutter, greatly reduce the redundant character that cutter is concrete, the feature redundancy that cutter is concrete can not be caused, after this cutter of use specifically carries out cutting to cutting object module, its modeling result can not cause the fuzzy expression to design idea, therefore the design idea that improve in modeling result expresses accuracy.
Preferably, Fig. 2 B is the structural drawing of a kind of first execution module 103 according to the embodiment of the present invention, and as shown in Figure 2 B, the first execution module 103 of this embodiment comprises:
First acquiring unit 1031, for obtaining the type of this crop tool model.The type can for the type of crop tool model calculated.
Second acquisition unit 1032, for obtaining mapping table, store the modeling pattern that the type of this crop tool model is corresponding in this mapping table, this modeling pattern is for carrying out modeling to obtain the concrete modeling pattern of cutter according to this relative position relation to this crop tool model.
The modeling pattern that the type of this mapping table or this crop tool model is corresponding can be passed through, such as, if the type of this crop tool model is entity, curved body or modeling reference field, then can using this this crop tool model directly and target concrete as cutter carry out Boolean subtraction calculation; If the type of this crop tool model is curve, can construct curve, the cutter obtained is specially a curved body, then go to carry out cutting to cutting object module according to the rule of curved body cutting, have two kinds by the rule of curve construction curved body, the curve closed can construct a filling-up hole curved surface; A sweeping curved surface can be created in a curve and a direction, then carries out cutting with this sweeping curved surface; If the type of this crop tool model is face, a curved body can be extracted from this crop tool model kind concrete as cutter, then according to the rule of curved body, cutting be carried out to cutting object module.
The relative position relation of this crop tool model and this cutting object module can be determined by the modeling pattern got the regional extent that cutter is concrete, so that the crop tool body obtained can this cutting object module of cutting completely, thus ensure that the maximum success ratio of cutting.
In addition, can also judge whether to extend crop tool model, then specifically cutting is carried out to cutting object module by this cutter, then judge that this crop tool physical efficiency is no and complete cutting is carried out to cutting object module, if this cutter specifically can not carry out complete cutting to cutting object module, then obtain the regional extent of this cutting object module, pass through adaptive technique again, the concrete regional extent of this cutter is extended according to the regional extent of this cutting object module and the relative position relation of this crop tool model and this cutting object module, so that this crop tool body can this cutting object module of cutting completely.
When judging whether to extend crop tool model, can in the following ways:
First carry out cutting, if cutting success, enter next step, if cutting failure, then again attempt extending, the calculating of expanded range is determined by following three factors:
The scope of A, objective body; .
The scope of B, body of tool;
The relative position relation of C, objective body and body of tool.
Concrete account form is:
First calculate the bounding box (bounding box comprises this objective body, and the limit of bounding box is parallel to the minimum hexahedron of coordinate axis) of objective body, the edge then body of tool being extended to bounding box makes it to excise objective body completely.
First performance element 1033, for determining by this mapping table the modeling pattern that the type of this crop tool model is corresponding.
Modeling unit 1034, for carrying out modeling according to this modeling pattern to this crop tool model, obtains this cutter concrete.
Preferably, this modeling unit comprises:
First obtains subelement, for obtaining the regional extent of this cutting object module.
First performs subelement, determines the regional extent that this cutter is concrete for the regional extent according to this cutting object module with this relative position relation.
In order to ensure the maximum success ratio of cutting, can determine according to the regional extent of this cutting object module and this relative position relation the regional extent that this cutter is concrete, to ensure that this crop tool body can this cutting object module of cutting completely.
Preferably, Fig. 2 C is the structural drawing of a kind of second execution module 105 according to the embodiment of the present invention, and as shown in Figure 2 C, the second execution module 105 of this embodiment comprises:
3rd acquiring unit 1051, for obtaining the first instruction of user's input, wherein, this first instruction is for determining the lamellar body needing in this cutting lamellar body to retain.
Second performance element 1052, for determining the first lamellar body according to this first instruction.
After having determined this first lamellar body, namely this first lamellar body is preserved, such as, crucial modeling geological information can be extracted in this first lamellar body, these crucial modeling geological informations can allow the key message of cutting accurate user of embodiment at every turn reruning want the design idea of the lamellar body retained, such as, the serial number that can produce in the middle of Boolean calculation by obtaining this first lamellar body extracts the crucial modeling geological information in this first lamellar body, in addition, the surface geometry center of this first lamellar body can also be obtained, this surface geometry center is the natural projection point of bounding box center on this surface on surface, and obtain the concrete normal direction sampled data of this cutter, this normal direction sampled data is the normal direction data of U/V both direction on the isometric matrix point of M*N on the concrete surface of each cutter, wherein, M and N is decided by the size on this surface and curvature variation.In some other special operational situation, the serial number to lamellar body according to surface geometry center or normal direction sampled data is needed to revise, such as, when switching kernel, likely the generation order of the lamellar body that obtains of cutting is different, now only needs to compare one by one with the lamellar body of generation according to the surface geometry center of preserving just can obtain correct serial number.
Preferably, this first lamellar body is multiple, and see Fig. 2 D, the 3rd execution module 106 of this embodiment comprises:
4th acquiring unit 1061, for obtaining the merge command of user's input.
Merge cells 1062, for merging this first lamellar body multiple according to this merge command.
3rd performance element 1063, for using merge after this first lamellar body as this modeling result.
In addition, the modeling result that the 3rd performance element 1063 obtains can also be simplified.
Preferably, Fig. 7 is the structural drawing of a kind of model building device according to the embodiment of the present invention, and as shown in Figure 7, the model building device of this embodiment comprises:
First acquisition module 201, for obtaining cutting object module.
Second acquisition module 202, for obtaining the relative position relation of crop tool model and this crop tool model and this cutting object module.
First determination module 203, for determining cutting direction.
First execution module 204, concrete for obtaining this cutter according to this crop tool model, this relative position relation and this cutting direction.
Cutting module 205, carries out Boolean calculation to carry out cutting to this cutting object module for this cutter is concrete and this cutting object module, obtains the cutting lamellar body of this cutting object module.
Second execution module 206, for determining the first lamellar body, wherein, this first lamellar body is the lamellar body needing in this cutting lamellar body to retain.
3rd execution module 207, for using this first lamellar body as modeling result.
The model building device that the embodiment of the present invention provides, by crop tool model, it is concrete that the relative position relation of this crop tool model and this cutting object module and cutting direction obtain cutter automatically, because this cutter is specifically with the key message of design idea, user is not needed to go to define the concrete feature of cutter, greatly reduce the redundant character that cutter is concrete, the feature redundancy that cutter is concrete can not be caused, after this cutter of use specifically carries out cutting to cutting object module, its modeling result can not cause the fuzzy expression to design idea, therefore the design idea that improve in modeling result expresses accuracy, in addition, due to the minimizing of the concrete feature quantity of cutter, the data volume of the file produced also reduces accordingly, file save speed obtains and greatly improves.
Fig. 8 is the process flow diagram of a kind of modeling method according to the embodiment of the present invention, and as shown in Figure 8, the modeling method of this embodiment comprises:
Step 101: obtain cutting object module.
Step 102: the relative position relation obtaining crop tool model and this crop tool model and this cutting object module.
Step 103: obtain cutter according to this crop tool model and this relative position relation concrete.
Step 104: concrete and this cutting object module carries out Boolean calculation to carry out cutting to this cutting object module by this cutter, obtains the cutting lamellar body of this cutting object module.
Step 105: determine the first lamellar body, wherein, this first lamellar body is the lamellar body needing in this cutting lamellar body to retain.
Step 106: using this first lamellar body as modeling result.
The modeling method that the embodiment of the present invention provides, automatically cutter is obtained concrete by the relative position relation of crop tool model and this crop tool model and this cutting object module, because this cutter is specifically with the key message of design idea, user is not needed to go to define the concrete feature of cutter, greatly reduce the redundant character that cutter is concrete, the feature redundancy that cutter is concrete can not be caused, after this cutter of use specifically carries out cutting to cutting object module, its modeling result can not cause the fuzzy expression to design idea, therefore the design idea that improve in modeling result expresses accuracy.
Preferably, this step 103 specifically comprises:
Step 1031: the type obtaining this crop tool model.
Step 1032: obtain mapping table, store the modeling pattern that the type of this crop tool model is corresponding in this mapping table, this modeling pattern is for carrying out modeling to obtain the concrete modeling pattern of cutter according to this relative position relation to this crop tool model.
Step 1033: determine the modeling pattern that the type of this crop tool model is corresponding by this mapping table.
Step 1034: according to this modeling pattern, modeling is carried out to this crop tool model, obtain this cutter concrete.
Preferably this step 1034 specifically comprises: the regional extent obtaining this cutting object module; Regional extent according to this cutting object module determines with this relative position relation the regional extent that this cutter is concrete.
Preferably, this step 105 specifically comprises:
Step 1051: the first instruction obtaining user's input, wherein, this first instruction is for determining the lamellar body needing in this cutting lamellar body to retain.
Step 1052: determine the first lamellar body according to this first instruction.
Preferably, this first lamellar body is multiple, and this step 106 specifically comprises:
Step 1061: the merge command obtaining user's input.
Step 1062: this first lamellar body multiple is merged according to this merge command.
Step 1063: using this first lamellar body after merging as this modeling result.
Preferably, Fig. 9 is the process flow diagram of a kind of modeling method according to the embodiment of the present invention, and as shown in Figure 9, the modeling method of this embodiment comprises:
Step 201: obtain cutting object module.
Step 202: the relative position relation obtaining crop tool model and this crop tool model and this cutting object module.
Step 203: determine cutting direction.
Step 204: obtain this cutter according to this crop tool model, this relative position relation and this cutting direction concrete.
Step 205: concrete and this cutting object module carries out Boolean calculation to carry out cutting to this cutting object module by this cutter, obtains the cutting lamellar body of this cutting object module.
Step 206: determine the first lamellar body, wherein, this first lamellar body is the lamellar body needing in this cutting lamellar body to retain.
Step 207: using this first lamellar body as modeling result.
Figure 10 is the process flow diagram of a kind of modeling method according to the embodiment of the present invention, as shown in Figure 10, first cutting object module and crop tool model is obtained, cutter is obtained concrete by the type of crop tool model, by this cutter, concrete and this cutting object module carries out Boolean calculation according to the compute mode got, this compute mode can comprise union, the computing of difference set and common factor, cutting lamellar body is obtained by Boolean calculation, the first lamellar body is determined in the first instruction according to getting, obtain modeling result, in addition, can also carry out merging to this first lamellar body and wait to be optimized the modeling result obtained.
The modeling method that the embodiment of the present invention provides, by crop tool model, it is concrete that the relative position relation of this crop tool model and this cutting object module and cutting direction obtain cutter automatically, because this cutter is specifically with the key message of design idea, user is not needed to go to define the concrete feature of cutter, greatly reduce the redundant character that cutter is concrete, the feature redundancy that cutter is concrete can not be caused, after this cutter of use specifically carries out cutting to cutting object module, its modeling result can not cause the fuzzy expression to design idea, therefore the design idea that improve in modeling result expresses accuracy.In addition, due to the minimizing of the concrete feature quantity of cutter, the data volume of the file of generation also reduces accordingly, and file save speed obtains and greatly improves.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a modeling method, is characterized in that, comprising:
Obtain cutting object module;
Obtain the relative position relation of crop tool model and described crop tool model and described cutting object module;
Cutter is obtained concrete according to described crop tool model and described relative position relation;
Carry out Boolean calculation to carry out cutting to described cutting object module by concrete for described cutter with described cutting object module, obtain the cutting lamellar body of described cutting object module;
Determine the first lamellar body, wherein, described first lamellar body is the lamellar body needing in described cutting lamellar body to retain;
Using described first lamellar body as modeling result,
Wherein, obtain cutter according to described crop tool model and described relative position relation specifically to comprise:
Obtain the type of described crop tool model;
Obtain mapping table, store the modeling pattern that the type of described crop tool model is corresponding in described mapping table, described modeling pattern is for carrying out modeling to obtain the concrete modeling pattern of cutter according to described relative position relation to described crop tool model;
The modeling pattern that the type of described crop tool model is corresponding is determined by described mapping table;
According to described modeling pattern, modeling is carried out to described crop tool model, obtain described cutter concrete.
2. method according to claim 1, is characterized in that, carries out modeling according to described modeling pattern to described crop tool model, obtains described cutter and specifically comprises:
Obtain the regional extent of described cutting object module;
The regional extent that described cutter is concrete is determined according to the regional extent of described cutting object module and described relative position relation.
3. method according to claim 1, is characterized in that, obtain according to described crop tool model and described relative position relation cutter concrete before, described method also comprises:
Determine cutting direction;
Wherein, describedly obtain cutter according to described crop tool model and described relative position relation and specifically comprise:
Described cutter is obtained concrete according to described crop tool model, described relative position relation and described cutting direction.
4. method according to claim 1, is characterized in that, determines that the first lamellar body comprises:
Obtain the first instruction of user's input, wherein, described first instruction is for determining the lamellar body needing in described cutting lamellar body to retain;
The first lamellar body is determined according to described first instruction.
5. method according to claim 4, is characterized in that, described first lamellar body is multiple, is comprised by described first lamellar body as modeling result:
Obtain the merge command of user's input;
According to described merge command, multiple described first lamellar body is merged;
Using described first lamellar body after merging as described modeling result.
6. a model building device, is characterized in that, comprising:
First acquisition module, for obtaining cutting object module;
Second acquisition module, for obtaining the relative position relation of crop tool model and described crop tool model and described cutting object module;
First execution module, concrete for obtaining cutter according to described crop tool model and described relative position relation;
Cutting module, for carrying out Boolean calculation to carry out cutting to described cutting object module by concrete for described cutter with described cutting object module, obtains the cutting lamellar body of described cutting object module;
Second execution module, for determining the first lamellar body, wherein, described first lamellar body is the lamellar body needing in described cutting lamellar body to retain;
3rd execution module, for using described first lamellar body as modeling result,
Wherein, described first execution module comprises:
First acquiring unit, for obtaining the type of described crop tool model;
Second acquisition unit, for obtaining mapping table, store the modeling pattern that the type of described crop tool model is corresponding in described mapping table, described modeling pattern is for carrying out modeling to obtain the concrete modeling pattern of cutter according to described relative position relation to described crop tool model;
First performance element, for determining the modeling pattern that the type of described crop tool model is corresponding by described mapping table;
Modeling unit, for carrying out modeling according to described modeling pattern to described crop tool model, obtains described cutter concrete.
7. device according to claim 6, is characterized in that, described modeling unit comprises:
First obtains subelement, for obtaining the regional extent of described cutting object module;
First performs subelement, for determining according to the regional extent of described cutting object module and described relative position relation the regional extent that described cutter is concrete.
8. device according to claim 6, is characterized in that, described device also comprises:
First determination module, for determining cutting direction;
Wherein, described first execution module is concrete for obtaining described cutter according to described crop tool model, described relative position relation and described cutting direction.
9. device according to claim 6, is characterized in that, described second execution module comprises:
3rd acquiring unit, for obtaining the first instruction of user's input, wherein, described first instruction is for determining the lamellar body needing in described cutting lamellar body to retain;
Second performance element, for determining the first lamellar body according to described first instruction.
10. device according to claim 9, is characterized in that, described first lamellar body is multiple, and described 3rd execution module comprises:
4th acquiring unit, for obtaining the merge command of user's input;
Merge cells, for merging multiple described first lamellar body according to described merge command;
3rd performance element, for using merge after described first lamellar body as described modeling result.
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| JP6380536B2 (en) * | 2014-07-30 | 2018-08-29 | 新日鐵住金株式会社 | Model setting method, molding simulation method, program, and computer-readable recording medium recording the program |
| CN110168545B (en) * | 2017-05-16 | 2022-12-27 | 深圳市三维人工智能科技有限公司 | Model alignment method and system |
| CN114491810B (en) * | 2022-01-19 | 2024-04-16 | 东风汽车股份有限公司 | CATIA-based dough sheet cutting and modifying method for modeling automobile stamping part |
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| CN1858803A (en) * | 2006-04-04 | 2006-11-08 | 天津大学 | Three dimension uniform model construction method of water conservancy hydropower engineering geological information |
| CN101727528A (en) * | 2009-12-30 | 2010-06-09 | 山东大学 | Method for computing module of local area of casting piece |
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| CN1737805A (en) * | 2005-07-26 | 2006-02-22 | 上海师范大学 | Worm gear modeling approach |
| CN1858803A (en) * | 2006-04-04 | 2006-11-08 | 天津大学 | Three dimension uniform model construction method of water conservancy hydropower engineering geological information |
| CN101727528A (en) * | 2009-12-30 | 2010-06-09 | 山东大学 | Method for computing module of local area of casting piece |
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