CN102521878A - Programmable three-dimensional human body modeling and human body measurement system and method thereof - Google Patents
Programmable three-dimensional human body modeling and human body measurement system and method thereof Download PDFInfo
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Abstract
A programmable three-dimensional human body modeling and human body measurement system and a method thereof relates to three-dimensional model or image operation which is used for computer graphics and especially suitable for human body measurement and clothes CAD based on a human body characteristic. A human body model definition unit is connected to a three-dimensional human body grid database and a human body characteristic model database. A human body characteristic information algorithm tool library management unit is connected to a human body characteristic model database and a basic algorithm tool library. A human body measurement rule template management unit is connected to the basic algorithm tool library and a human body measurement rule database. A three-dimensional human body grid data analysis measurement unit is connected to the three-dimensional human body grid database and the human body measurement rule database. A user can define a human body characteristic identification rule and a dimension measurement rule through man-machine interaction operation. Simultaneously, the measurement rule defined by the user can be applied to different individualities. Three-dimensional human body scanning input, intelligent human body characteristic point identification, human body part dimension measurement and three-dimensional virtual human form construction are combined together.
Description
Technical field
The present invention relates to the three-dimensional model that is used for computer graphics or the operation of image are particularly useful for carrying out based on the characteristics of human body 3 D human body modeling able to programme and the anthropological measuring system and method for anthropological measuring and CAD of Garment.
Background technology
Three-dimensional human body measurement technology and characteristics of human body's information extraction technology are the technical foundation of three-dimensional garment CAD system.The multiple characteristics that are superior to conventional measurement techniques and instrument such as though the 3-D scanning equipment that exploitation is at present used can provide high-quality manikin, and it is short that the three-dimensional human body measurement system has sweep time, and degree of accuracy is high, the measuring point is many.But the cloud data that is merely nobody's body characteristics information that most measuring equipments provide can not directly obtain the needed characteristics of human body's information of three-dimensional garment CAD.To scanning the ultimate principle that resulting 3 D human body carries out dimensional measurement is at first to find somatometric unique point, information such as line, and the measurement rule with measurement size is converted into geometrical issues again; Like length of curve; Distance between two points, angle etc. between 3 calculates the length of human body again; Degree of enclosing, the angle equidimension.Therefore the key of three-dimensional human body measurement is to confirm anthropological measuring point exactly and will measure rule to be converted into corresponding geometrical rule.
Chinese patent "based on actual population size of the virtual mannequin establish methods and virtual mannequin" (Patent No. ZL200710093824.8 Publication No. CN101311967), "a kind of virtual mannequin application methods" (patent number ZL200710093825. 2 Publication No. CN10131196) and "an China virtual mannequin" (Patent No. ZL200710093826.7 Publication No. CN10131196) were disclosed through non-contact body measurement method of creating a virtual mannequin and virtual mannequin application methods.In these patents of invention, relate to a large amount of anthropometric datas and handle.In present three-dimensional body dimension measuring system, like TC2, Human-solution, mainly there is following problem in three-dimensional human body measurement systems such as Cyber-ware.
The automatic recognition accuracy of 1) anthropological measuring characteristic is lower, and it is less to be suitable for the build scope.
The unique point of the measurement of human body mainly is according to the human skeleton point, and the body surface unique point waits to confirm.Present automatic measurement system mainly carries out the automatic identification of human body feature point through the geometric properties of body surface or the statistical property of human body proportion.But receive influence of various factors such as age, sex, race, region during owing to people's bulk-growth; Caused the widely different of build between individuality; Therefore caused the anthropological measuring unique point of same area, the body surface geometric properties that on different individualities, shows is also inconsistent.Thereby existing measuring system has than big-difference the measurement features that the Feature Recognition result of human body demarcates can be with manual measurement the time; And then causing size and the hand dipping difference measured automatically bigger, this also is that present three-dimensional human body measurement system does not carry out one of ripe reason of using in industry.
2) characteristics of human body's recognition methods and rule, the dimensional measurement rule can not freely design.
In the existing measuring system, the recognition rule of human body feature point, the geometrical rule that dimensional measurement transforms all is predefined by software itself, the user can not and measure rule according to own needs design feature point identification.Even some systems allow the user can measure some measurement sizes through the hand dipping function that system provides, but for Different Individual, these hand dipping process needs repetitive operation again could be accomplished measurement.
3) measuring system has qualification to the anthropological measuring posture.
Existing three-dimension measuring system is because its unique point recognition rule and dimensional measurement rule all are that the human body under the given pose is discerned, and after therefore altering one's posture, measuring system will can not correctly be discerned and measure characteristics of human body and size.
Summary of the invention
The objective of the invention is to provide a kind of 3 D human body modeling able to programme and anthropological measuring system; Make the user realize three-dimensional human body measurement able to programme through man-machine interactive operation; Import 3D anthropometric scanning; The measurement of intelligentized human body feature point identification and partes corporis humani position size combines with the three-dimensional virtual human platform construction based on the characteristics of human body; Can freely carry out dimensional measurement to three-dimensional (3 D) manikin, solve fast, in batches, the technical matters of self-defining human body dimension measurement and characteristics of human body's modeling.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of 3 D human body modeling able to programme and anthropological measuring system; Comprise 3 D human body grid data input media 100,3 D human body grid database 150, dummy body form Data Management Unit 200 and man-machine interactive interface 900; Described 3 D human body grid data input media 100 is connected to 3 D human body grid database 150 with dummy body form Data Management Unit 200, it is characterized in that described 3 D human body modeling able to programme and anthropological measuring system also comprise:
Manikin definition unit 300 is used to read the 3 D human body grid data, analyst's body characteristics information, definition characteristics of human body object;
Characteristics of human body's model bank 350 is used to store described characteristics of human body's object;
Characteristics of human body's information algorithmic tool library management unit 400 is used for creating, revises and deletion characteristics of human body information processing order;
Rudimentary algorithm tool storage room 450 is used to store described characteristics of human body's information processing order;
Anthropological measuring rule template administrative unit 500 is used for the operating process of recorder's bulk measurement, generates the anthropological measuring rule template;
Anthropological measuring rule base 550 is used to store described anthropological measuring rule template;
The 3 D human body grid data is resolved measuring unit 600, is used to read and resolves the 3 D human body grid data, calls the anthropological measuring rule template and carries out anthropological measuring, obtains characteristics of human body's information;
Described manikin definition unit 300, characteristics of human body's information algorithmic tool library management unit 400, anthropological measuring rule template administrative unit 500,3 D human body grid data are resolved measuring unit 600 and are connected respectively to man-machine interactive interface 900;
Described manikin definition unit 300 is connected to described 3 D human body grid database 150 and characteristics of human body's model bank 350; Described characteristics of human body's information algorithmic tool library management unit 400 is connected to characteristics of human body's model bank 350 and rudimentary algorithm tool storage room 450; Described anthropological measuring rule template administrative unit 500 is connected to described rudimentary algorithm tool storage room 450 and anthropological measuring rule base 550, and described 3 D human body grid data is resolved measuring unit 600 and is connected to 3 D human body grid database 150 and anthropological measuring rule base 550.
A kind of preferable technical scheme of 3 D human body modeling able to programme of the present invention and anthropological measuring system is that described 3 D human body modeling able to programme and anthropological measuring system also comprise the characteristics of human body's information database 650 that is used to store the anthropological measuring result; Described characteristics of human body's information database 650 is connected to described 3 D human body grid data and resolves measuring unit 600.
A kind of better technical scheme of 3 D human body modeling able to programme of the present invention and anthropological measuring system is that described characteristics of human body's information database 650 is connected to described dummy body form Data Management Unit 200, is configured to the three-dimensional virtual human platform based on the characteristics of human body.
Another object of the present invention has provided a kind of above-mentioned 3 D human body modeling able to programme and three-dimensional human body measurement method able to programme of anthropological measuring system of being used for; Through this method; The user can define as required, revises the recognition rule of human body feature point and the measurement rule of partes corporis humani position size.Make the restriction that the user can not laid down a regulation by measuring system itself; Can freely carry out dimensional measurement to three-dimensional (3 D) manikin, the automatic recognition accuracy that solves existing anthropological measuring characteristic is lower, be suitable for the build scope less, measure the technical matters that rule is dumb, the anthropological measuring posture had qualification.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of 3 D human body modeling able to programme and human body measurement method are used for described 3 D human body modeling able to programme of claim 1 and anthropological measuring system, it is characterized in that described measuring method comprises following steps at least:
S100) obtain each individual 3 D human body grid data through 3 D human body grid data input media, store the 3 D human body grid database into;
S200) from the 3 D human body grid data, extract and define lineup's body characteristics object through man-machine interactive interface, set up manikin, be stored into characteristics of human body's model bank based on the characteristics of human body;
S300) each characteristics of human body's object of corresponding said manikin is created a characteristic commands that is used to set up, revise or delete described characteristics of human body's information, stores the rudimentary algorithm tool storage room into;
S400) characteristic commands called in the described rudimentary algorithm tool storage room of recording user is carried out the anthropological measuring process, generates the anthropological measuring rule template, is stored into the anthropological measuring rule base;
S500) call the anthropological measuring rule template and resolve the 3 D human body grid data, from the 3 D human body grid, extract characteristics of human body's information, generate anthropometric data based on the characteristics of human body according to characteristics of human body's model.
A kind of preferable technical scheme of 3 D human body modeling able to programme of the present invention and human body measurement method is that described measuring method also comprises the following step:
S600) to each individual 3 D human body grid data repeating step S500, store the anthropometric data that obtains into the characteristics of human body information database based on the characteristics of human body, make up dummy body form based on the characteristics of human body.
A kind of better technical scheme of 3 D human body modeling able to programme of the present invention and human body measurement method is that described step S400 comprises following action:
S410) select a 3 D human body grid data collection to be measured, create the anthropological measuring rule template of corresponding blank;
S420), read or select the human body mesh object through man-machine interactive interface from the 3 D human body grid database according to described 3 D human body grid data collection;
S430) according to the selected human body mesh object of step S420; Call and carry out corresponding characteristic commands in the said rudimentary algorithm tool storage room; Through man-machine interactive interface input feature vector object oriented; Confirm or modification characteristics of human body information, create also storing characteristics of human body's object of describing said human body mesh object to be measured;
S440) characteristic commands of being called among the recording step S420 is appended to the anthropological measuring rule template with described characteristic commands;
S450) judge whether create completion, accomplish if create if measuring rule template, then forward step S460 to, otherwise return step S420;
S460) the anthropological measuring rule template that circulation execution in step S420 to S440 is generated is stored into the anthropological measuring rule base, and described anthropological measuring rule template comprises described 3 D human body grid data collection is carried out somatometric characteristic commands sequence.
The further improved technical scheme of 3 D human body modeling able to programme of the present invention and human body measurement method is that described anthropological measuring rule template is the macros sequence in Computer Memory Unit; Described anthropological measuring rule base is the macros storehouse in Computer Memory Unit; Described step S440 is the automatic recording user operation process of described 3 D human body modeling able to programme and anthropological measuring system, and is appended to the step of said macros sequence to the characteristic commands that the user called; Described step S460 is that the user passes through the man-machine interactive interface control operation, is stored into the automatic macros that generates of system the step in macros storehouse.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method, described 3 D human body grid data is the triangle gridding entity of the body surface shape of description; Described manikin is one group of set of describing characteristics of human body's object of 3 D human body grid characteristic, and wherein, everyone body characteristics object comprises characteristics of human body's information of this object of feature object Name and Description at least; Described characteristics of human body's object comprises feature grid, unique point, characteristic plane, characteristic straight line, characteristic curve, characteristic dough sheet and pattern measurement size; Described characteristics of human body's information is to describe the geometric data or the dimensional data of characteristics of human body's object.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method; Described characteristic commands is one group of instrument or algorithm set of generating and revise characteristics of human body's information according to described manikin; The user calls the characteristic commands that is stored in the rudimentary algorithm tool storage room through man-machine interactive interface; Characteristics of human body's object is discerned and set up to the input feature vector object oriented, confirms or revise the geometric data or the dimensional data of characteristics of human body's information.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method; Described measuring method is in described 3 D human body modeling able to programme and anthropological measuring system, to set up programmable anthropological measuring rule template, and different 3 D human body grid datas is carried out the characteristic commands sequence in the described anthropological measuring rule template; Carry out when measuring rule,, accomplish automatically by computing machine for the systematicness that can on Different Individual, correctly the repeat operation that computing machine can accurately be accomplished; For computing machine can not be on Different Individual correct handling and the operation of confirming; Through man-machine interactive interface guiding user's artificial selection or input; Realization realizes that with the operation that less manually-operated replacement computer can not correctly realize three-dimensional body dimension is measured accurately and rapidly.
The invention has the beneficial effects as follows:
1,3 D human body modeling able to programme of the present invention and anthropological measuring system; Make the user realize formula three-dimensional human body measurement able to programme through man-machine interactive operation; Import 3D anthropometric scanning; The measurement of identification of intelligentized human body feature point and partes corporis humani position size combines with the three-dimensional virtual human platform construction based on the characteristics of human body, can freely carry out dimensional measurement to three-dimensional (3 D) manikin, solution fast, in batches, the technical matters of self-defining human body dimension measurement and characteristics of human body's modeling.
2,3 D human body modeling able to programme of the present invention and human body measurement method; Make the user can define characteristics of human body's recognition rule and dimensional measurement rule voluntarily; Simultaneously user-defined measurements rule can be applied on the different individualities, realization fast, in batches, self-defining human body dimension measurement and characteristics of human body's modeling.
3, the present invention is divided into two types with the operation in the anthropological measuring process; With the inaccurate or impalpable characteristic of computer Recognition; Specify through the user; The characteristic and the operation of calculating function preparation identification let computing machine accomplish automatically, have realized the accurate of three-dimensional body dimension and measurement fast, efficiently solve the accuracy problem of computer automatic analysis.
4, measuring method of the present invention is not only applicable to the measurement of 3 D human body, and is suitable equally for the dimensional measurement of other types 3D solid.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of 3 D human body modeling able to programme of the present invention and anthropological measuring system.
Fig. 2 is 3 D human body modeling able to programme of the present invention and human body measurement method process flow diagram.
Fig. 3 is an anthropological measuring rule template synoptic diagram.
Fig. 4 is the process flow diagram that method of the present invention generates the anthropological measuring rule template.
Fig. 5 is characteristics of human body's object and three-dimensional (3 D) manikin structural representation.
Fig. 6 is the definition synoptic diagram of characteristics of human body's object, three-dimensional (3 D) manikin and 3 D human body grid data.
Embodiment
In order to understand technique scheme of the present invention better, describe in detail further below in conjunction with accompanying drawing and embodiment.
3 D human body modeling able to programme shown in Figure 1 and anthropological measuring system implementation example; Comprise 3 D human body grid data input media 100,3 D human body grid database 150, dummy body form Data Management Unit 200 and man-machine interactive interface 900; 3 D human body grid data input media 100 is connected to 3 D human body grid database 150 with dummy body form Data Management Unit 200; Also comprise and be used to read the 3 D human body grid data; Analyst's body characteristics information, the manikin definition unit 300 of definition characteristics of human body object; Be used to store characteristics of human body's model bank 350 of described characteristics of human body's object; Be used to create, revise and delete characteristics of human body's information algorithmic tool library management unit 400 of characteristics of human body's information processing order; Be used to store the rudimentary algorithm tool storage room 450 of described characteristics of human body's information processing order; Be used for the operating process of recorder's bulk measurement, generate the anthropological measuring rule template administrative unit 500 of anthropological measuring rule template; Be used to store the anthropological measuring rule base 550 of described anthropological measuring rule template; And be used to read and resolve the 3 D human body grid data, call the anthropological measuring rule template and carry out anthropological measuring, obtain characteristics of human body's information three-dimensional human body grid data parsing measuring unit 600.
As shown in Figure 1, manikin definition unit 300, characteristics of human body's information algorithmic tool library management unit 400, anthropological measuring rule template administrative unit 500,3 D human body grid data are resolved measuring unit 600 and are connected respectively to man-machine interactive interface 900; Manikin definition unit 300 is connected to described 3 D human body grid database 150 and characteristics of human body's model bank 350; Characteristics of human body's information algorithmic tool library management unit 400 is connected to characteristics of human body's model bank 350 and rudimentary algorithm tool storage room 450; Anthropological measuring rule template administrative unit 500 is connected to rudimentary algorithm tool storage room 450 and anthropological measuring rule base 550, and the 3 D human body grid data is resolved measuring unit 600 and is connected to 3 D human body grid database 150 and anthropological measuring rule base 550.
Technical scheme in 3 D human body modeling able to programme shown in Figure 1 and anthropological measuring system also comprises the characteristics of human body's information database 650 that is used to store the anthropological measuring result; Characteristics of human body's information database 650 is connected to the 3 D human body grid data and resolves measuring unit 600; In this embodiment, characteristics of human body's information database 650 is also connected to dummy body form Data Management Unit 200, is configured to the three-dimensional virtual human platform based on the characteristics of human body.
The control flow of 3 D human body modeling able to programme that is used for above-mentioned system provided by the invention and human body measurement method is as shown in Figure 2, below in conjunction with accompanying drawing and embodiment this method step is specified.
Step S100:
Obtain each individual 3 D human body grid data through 3 D human body grid data input media 100, store 3 D human body grid database 150 into:
In the present embodiment, 3 D human body grid data input media 100 is spatial digitizers, obtains the three-dimensional triangular mesh model (3D Triangular Mesh) of scanning human body through spatial digitizer.For the spatial digitizer that three dimensional point cloud partly only is provided, can carry out trigonometric ratio (3DTriangulation) to three dimensional point cloud and handle through reverse engineering softwares such as Rapidform, form the 3D grid surface model of body surface.Requirement to the human body grid data that stores 3 D human body grid database 150 into is that data do not have hole, and topological structure is correct, and mesh-density and anthropological measuring posture do not have specific (special) requirements.
Step S200:
From the 3 D human body grid data, extract and define lineup's body characteristics object through man-machine interactive interface, set up manikin, be stored into characteristics of human body's model bank based on the characteristics of human body.
This step is set up manikin (KeyModel) data structure, and human body model data's structure is used to describe the whole human body model data, is the container of other characteristic informations.In manikin, the corresponding feature object title of everyone body characteristics object, the feature object title is again the index of the feature object of storing, and is not reproducible in name.An embodiment of feature object is the std::map < std::string that adopts in the C++ java standard library; KeyObject*>structure; Wherein feature object (KeyObject) is represented the base class of all feature objects; Other feature objects all derive from from it, and each feature object stores the title of oneself, and this title is consistent with its index name of in manikin, storing.
Fig. 5 is the synoptic diagram of characteristics of human body's object and three-dimensional (3 D) manikin structure, and Fig. 6 is the definition synoptic diagram of characteristics of human body's object, three-dimensional (3 D) manikin and 3 D human body grid data, in Fig. 6; Label 1 is the characteristic dough sheet, the 2nd, and unique point, the 3rd, characteristic plane; The 4th, characteristic curve, the 5th, feature grid.
As shown in Figure 5, three-dimensional (3 D) manikin is described as the set of a stack features object, and each feature object has comprised characteristics of human body's information of this object of Name and Description of this object, just describes the geometric data or the dimensional data of this object.
The characteristics of human body's object and the example mainly comprise following classification:
Unique point (KeyPoint): be used to describe somatometric unique point, geometric data is the three-dimensional coordinate of point; Like breastheight point, (referring to the labels among Fig. 6 2) such as point of shoulder point and FNP FRONT NECK POINTs.
Characteristic straight line (KeyLine): be used to describe characteristics of human body's straight line object or consult straight line, geometric data is starting point coordinate and terminal point coordinate.Like X, Y, Z coordinate axis place straight line, the straight line of two unique point lines.
Characteristic plane (KeyPlane): be used to describe the characteristics of human body plane, geometric data is the coordinate of any and the normal vector on plane on the plane.Like plane, waistline place, (referring to the labels among Fig. 6 3) such as planes, BL BUST LINE place.
Characteristic curve (KeyCurve): be used to describe the body surface characteristic curve, geometric data is three Nurbs curves.As take on (referring to the labels among Fig. 6 4) such as line profile curve, waistline range line profiles.
Characteristic dough sheet (KeyPatch): the body surface zone that the characteristic curve that is used to describe adjacent three unique points and connect three unique points constitutes.Like the breastheight point, point of shoulder point, the body surface zone (referring to the label among Fig. 6 1) that FNP FRONT NECK POINT constitutes.
Feature grid (KeyMesh): be used to describe three-dimensional grid entity, geometric data is a triangle gridding.Feature grid is the subclass of the 3 D human body grid of certain individuals, for example, and torso portion grid, (referring to the labels among Fig. 6 5) such as arm segment grids.
Pattern measurement size (KeyMeasure): each measurement size that is used to describe human body.Like chest measurement, waistline, height, body surface area etc.
Step S300:
Each characteristics of human body's object of corresponding said manikin is created a characteristic commands that is used to set up, revise or delete described characteristics of human body's information, stores the rudimentary algorithm tool storage room into.
Method of the present invention generates and edits the feature object in the manikin through one group of basic tool object, and this group instrument is called by the user, the prompting user is provided with some accomplishes the parameter that certain feature operation needs.This step is used for each characteristics of human body's object of corresponding said manikin, creates a characteristic commands (Command), and this characteristic commands is used to accomplish the generation and the modification of dissimilar feature objects.This step stores the characteristic commands of creating into the rudimentary algorithm tool storage room, supplies the user to call, and is used for confirming or revising through how much method the geometric data of characteristics of human body's object.
The present invention revises the increase of each feature object, and deletion is all passed through characteristic commands (Command) and accomplished.Through carrying out one or stack features order, the additions and deletions of accomplishing feature object change.The characteristic commands object has following characteristics:
The feature identification of the execution when 1) the present invention is with anthropological measuring and dimensional measurement operation are divided into two types; The first kind is the systematicness that can on Different Individual, correctly the repeat operation that computing machine can accurately be accomplished, as measuring length of curve, 2 distances; 3 angles; Region area, plane and grid entity are asked friendship, cut apart operations such as grid entity; Second type for computing machine can not be on Different Individual correct handling and the operation of confirming, this generic operation is the important foundation of anthropological measuring accuracy.Mainly divide two steps during anthropological measuring, the first step is to carry out identification of characteristics of human body's object and foundation, and this part two generic operation all has; Second step was the measurement of carrying out characteristics of human body's object, and this part is first kind operation basically.Characteristic commands can let the user confirm some parameters according to the characteristics of applied individuality when carrying out, and introduces second generic operation, thereby solves the inaccurate problem of some computer Recognition unique point.For example, when identification human body waistline planimetric position, because size difference is bigger; Computing machine identification usually is inaccurate; This moment can be when carrying out characteristic commands and set up characteristic plane, lets the user remove to select on the human lumbar contour position coordinates of any arbitrarily, confirms the waistline planimetric position with this.Realize the operation that can not correctly realize by this method, accomplish accurately and rapidly three-dimensional body dimension and measure with less manually-operated replacement computer.
2) each characteristic commands is made up of input parameter, output and algorithm.Input parameter is divided into defined parameters and execution parameter.Defined parameters refers to the parameter that when defined feature is ordered, need provide, and generally includes the title of carrying out other feature objects that this order needs, in model, increases the title of feature object newly; Execution parameter is the parameter that characteristic commands needs the user to provide when carrying out, and generally includes user's alternative or input value.It is basic platform that one embodiment of the present of invention are to use Rapidform software, realizes each function through the exploitation plug-in unit.In the case, characteristic commands can directly be called the order realization operation of Rapidform software itself, the parameter that described execution parameter needs the user to provide in the time of can being the order of calling Rapidform software itself when carrying out.
3) can a plurality of characteristic commands combinations be defined as new characteristic commands.
4) can realize that each characteristic commands accomplishes difference in functionality through programming, and characteristic commands itself can expand unrestrictedly, to realize more specific functions or to be combined to form new function.
Typical characteristic commands is exemplified below table by classification:
The embodiment of the characteristic commands that step S300 sets up comprises the feature order:
A. the generation of feature grid object or modification order:
A1: according to the triangle gridding entity generating feature mesh object of user's selection.
A2: cut apart the feature grid object with characteristic plane.
B. the generation of unique point object or modification order:
B1: according to user's selected element generating feature point object.
B2: to the crossing unique point that obtains of two characteristic curvees.
B3: characteristic curve and characteristic plane intersect the unique point that obtains.
C. the generation of characteristic plane object or modification order:
C1: through the characteristic plane of two coordinate axially parallels of a unique point object and system.
C2: through the definite characteristic plane of three unique point objects.
C3:, and be the characteristic plane of planar process vector with a characteristic rectilinear direction through a unique point object.
D. the generation of characteristic straight line object or modification order:
D1: with two unique point objects characteristic straight line that is starting point and terminal point.
D2: with the initial point of characteristic plane definition and the characteristic straight line of unit normal vector formation.
E. the generation of characteristic curve object or modification order:
E1: intersect the characteristic curve that obtains with characteristic plane and feature grid.
E2: the characteristic curve object is cut apart.
F. the generation of characteristic dough sheet object or modification order:
F1: with the zone of three interconnective characteristic curvees formations.
G. the generation of pattern measurement size or modification order:
G1: calculate distance between two unique points, or give directions the coordinate value difference of coordinate.
G2: calculated characteristics length of curve.
G3: calculated characteristics curve convex closure length.
G4: on the calculated characteristics grid, the shortest path length between two unique points.
G5: calculate the angle between three unique points.
G6: calculate the angle between two characteristic straight lines.
G7: the angle between calculated characteristics straight line and characteristic plane.
Concrete characteristic commands illustrates as follows:
Embodiment 1:
A1: according to the triangle gridding entity generating feature mesh object of user's selection.
Import during establishment:
The title of the feature grid object that generates is like " Mesn_Left_Leg ".
Import during execution:
The 3D grid entity that the user selects.
Calculate or disposal route:
Generate a name and be called input title feature grid object, and with the grid solid data of its selection geometric data as this object.And this feature grid joined in the manikin, then cover already present feature grid as having existed in the model.
Embodiment 2:
A2: cut apart the feature grid object with characteristic plane.
Import during establishment:
1) user selects the feature grid object that will cut apart or the title of importing the feature grid object that will cut apart.
2) after feature grid is cut apart, the title of two feature grid objects that generate up and down in segmentation plane.
Import during execution: do not have
Calculate or disposal route:
1) in manikin, searches the feature grid object that to cut apart.
2) in manikin, search the characteristic plane object of cutting apart usefulness.
3) the 3D grid data in the feature grid object are cut apart, two the 3D grid data up and down of the plane after will cutting apart as geometric data, generate two feature grid entity objects up and down respectively, and join in the manikin.
Embodiment 3:
B1: according to user's selected element generating feature point object.
Import during establishment:
The title of the unique point object that generates is like " Point_BP ".
Import during execution:
The user selects the three-dimensional coordinate of the point of (or input), as (x, y, z).
Calculate or disposal route:
Generate a name and be called input title unique point object, and its coordinate is made as (x, y, z).And this unique point joined in the manikin, then cover already present unique point as having existed in the model.
Embodiment 4:
C3: the order of setting up characteristic plane through unique point.
Input parameter: the unique point object oriented that passes through; The characteristic plane object oriented that generates; The characteristic straight line title of characteristic plane normal direction.
Output: in KeyModel, generate new feature plane with the input parameter name.
Algorithm: with unique point object's position coordinate and characteristic rectilinear direction vector, the geometric data on defined feature plane is promptly by the geometrical issues of point with vector definition plane.
Applicating example: set up the chest measurement plane through human body left side breastheight point; Set up human body symmetrical plane etc. through human body BNP point.
Step S400:
The characteristic commands that recording user calls in the described rudimentary algorithm tool storage room is carried out the anthropological measuring process, generates the anthropological measuring rule template, is stored into the anthropological measuring rule base.
This step writes down the use step in algorithmic tool storehouse through using the rudimentary algorithm tool storage room, accomplishes the definition and the tissue of each feature object, forms the template file that anthropological measuring able to programme and manikin are set up.It is characterized in that:
1) each feature object is defining of the rudimentary algorithm tool storage room set up through execution in step S300.When each characteristic commands instrument of execution, can require the user that input parameter is provided, correctly accomplish the generation of promptly accomplishing a feature object after parameter is imported.
2) through the execution sequence of each characteristic commands of recording user use, realize the generation of template file.Because the parameter that each characteristic commands relied on is different, some characteristic commands need for example be measured the bust size characteristic commands with the feature object set up as initial conditions, must be initial conditions with the chest measurement characteristic curve object of having set up.Therefore the execution of characteristic commands must be carried out in certain sequence, and the effect that different execution sequences produces is different.
3) characteristic commands is divided into two types, and one type is single characteristic commands, and another kind of is assemblage characteristic order (GroupCommand), this list type combination of this category feature order as characteristic commands, and its implementation effect is each characteristic commands in the execution combination successively.Therefore, the storage organization of the anthropological measuring template that the recording feature order is generated also is an assemblage characteristic order, and its structure is as shown in Figure 3.
Fig. 4 is the process flow diagram that generates the step S400 of anthropological measuring rule template in 3 D human body modeling able to programme of the present invention and the human body measurement method, comprises following action:
S410) select a 3 D human body grid data collection to be measured, create and name an anthropological measuring rule template of measuring the blank of corresponding human body grid data;
S420), read or select the human body mesh objects through man-machine interactive interface 900 from the 3 D human body grid database according to described 3 D human body grid data collection;
S430) according to the selected human body mesh object of step S420; Call and carry out corresponding characteristic commands in the said rudimentary algorithm tool storage room; Through man-machine interactive interface input feature vector object oriented; Confirm or modification characteristics of human body information, create also storing characteristics of human body's object of describing said human body mesh object to be measured;
S440) characteristic commands of being called among the recording step S420 is appended to the anthropological measuring rule template with described characteristic commands;
S450) judge whether create completion, accomplish if create if measuring rule template, then forward step S460 to, otherwise return step S420;
S460) the anthropological measuring rule template that circulation execution in step S420 to S440 is generated is stored into the anthropological measuring rule base, and described anthropological measuring rule template comprises described 3 D human body grid data collection is carried out somatometric characteristic commands sequence.
Step S500:
Call the anthropological measuring rule template and resolve the 3 D human body grid data, from the 3 D human body grid, extract characteristics of human body's information, generate anthropometric data based on the characteristics of human body according to characteristics of human body's model.
Anthropological measuring rule template administrative unit 500 recording users use the process of each characteristic commands in the rudimentary algorithm tool storage room 450; Using these characteristic commands to carry out somatometric process record the user gets off; Just can generate various anthropological measuring rule templates, set up anthropological measuring rule base 550.Through on different 3-D scanning body area network lattice models, call the anthropological measuring rule template in the anthropological measuring rule base then, realize build size automatic measuring different human body.An embodiment who generates the anthropological measuring rule template generates the chest measurement measurement module: the embodiment of the characteristic commands of setting up according to above-mentioned steps S300, and the measurement rule of the measurement bust size of generation is: A1-B1-C1-E1-G3, wherein
A1: according to the triangle gridding entity generating feature mesh object (user selects the thorax grid) of user's selection;
B1: according to user's selected element generating feature point object (unique point that the user specifies the chest measurement plane to pass through);
C1: generate characteristic plane (system generates the chest measurement characteristic plane automatically) through two coordinate axially parallels of a unique point object and system;
E1: intersect the characteristic curve (system confirms the chest measurement characteristic curve automatically) that obtains with characteristic plane and feature grid;
G3: calculated characteristics curve convex closure length (system measures bust size automatically).
The 3 D human body modeling able to programme shown in Figure 2 and the embodiment of human body measurement method also comprise the following step: step S600:
To each individual 3 D human body grid data repeating step S500, store the anthropometric data that obtains into the characteristics of human body information database based on the characteristics of human body, make up dummy body form based on the characteristics of human body.
With above-mentioned chest measurement measurement module is example; For different 3 D human bodies, the Three Mesh of input is different, and the final chest measurement characteristic curve that generates also is different with the bust size of measuring; Thereby realize different human body is used same measurement rule output different measuring size.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method, described anthropological measuring rule template can be the macros sequence in Computer Memory Unit; Described anthropological measuring rule base is the macros storehouse in Computer Memory Unit; Described step S440 is the automatic recording user operation process of described 3 D human body modeling able to programme and anthropological measuring system, and is appended to the step of said macros sequence to the characteristic commands that the user called; Described step S460 is that the user passes through the man-machine interactive interface control operation, is stored into the automatic macros that generates of system the step in macros storehouse.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method, described 3 D human body grid data is the triangle gridding entity of the body surface shape of description; Described manikin is one group of set of describing characteristics of human body's object of 3 D human body grid characteristic, and wherein, everyone body characteristics object comprises characteristics of human body's information of this object of feature object Name and Description at least; Described characteristics of human body's object comprises feature grid, unique point, characteristic plane, characteristic straight line, characteristic curve, characteristic dough sheet and pattern measurement size; Described characteristics of human body's information is to describe the geometric data or the dimensional data of characteristics of human body's object.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method; Described characteristic commands is one group of instrument or algorithm set of generating and revise characteristics of human body's information according to described manikin; The user calls the characteristic commands that is stored in the rudimentary algorithm tool storage room through man-machine interactive interface; Characteristics of human body's object is discerned and set up to the input feature vector object oriented, confirms or revise the geometric data or the dimensional data of characteristics of human body's information.
In the technique scheme of 3 D human body modeling able to programme of the present invention and human body measurement method; Described measuring method is in described 3 D human body modeling able to programme and anthropological measuring system, to set up programmable anthropological measuring rule template, and different 3 D human body grid datas is carried out the characteristic commands sequence in the described anthropological measuring rule template; Carry out when measuring rule,, accomplish automatically by computing machine for the systematicness that can on Different Individual, correctly the repeat operation that computing machine can accurately be accomplished; For computing machine can not be on Different Individual correct handling and the operation of confirming; Through man-machine interactive interface guiding user's artificial selection or input; Realization realizes that with the operation that less manually-operated replacement computer can not correctly realize three-dimensional body dimension is measured accurately and rapidly.
In sum; 3 D human body modeling able to programme of the present invention and anthropological measuring system and method; The 3D anthropometric scanning data are carried out programmable artificial secondary computer resolve measurement automatically; Realized the high efficiency data mining of computer scanning 3 d image data; Three-dimensional garment CAD system and other not only can from the somatic data of scanning, extract characteristics of human body's information that the CAD of Garment designing institute needs, can also set up simultaneously and comprise characteristics of human body's information and, for need provide Back ground Information based on systems such as the industrial design of characteristics of human body's information, human engineerings by the dummy body form of area dividing.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining technical scheme of the present invention; And be not to be used as qualification of the present invention; Any based on connotation of the present invention to variation, modification that the above embodiment did, all will drop in the protection domain of claim of the present invention.
Claims (10)
1. 3 D human body modeling able to programme and anthropological measuring system; Comprise 3 D human body grid data input media (100), 3 D human body grid database (150), dummy body form Data Management Unit (200) and man-machine interactive interface (900); Described 3 D human body grid data input media (100) and dummy body form Data Management Unit (200) are connected to 3 D human body grid database (150), it is characterized in that described 3 D human body modeling able to programme and anthropological measuring system also comprise:
Manikin definition unit (300) is used to read the 3 D human body grid data, analyst's body characteristics information, definition characteristics of human body object;
Characteristics of human body's model bank (350) is used to store described characteristics of human body's object;
Characteristics of human body's information algorithmic tool library management unit (400) is used for creating, revises and deletion characteristics of human body information processing order;
Rudimentary algorithm tool storage room (450) is used to store described characteristics of human body's information processing order;
Anthropological measuring rule template administrative unit (500) is used for the operating process of recorder's bulk measurement, generates the anthropological measuring rule template;
Anthropological measuring rule base (550) is used to store described anthropological measuring rule template;
The 3 D human body grid data is resolved measuring unit (600), is used to read and resolves the 3 D human body grid data, calls the anthropological measuring rule template and carries out anthropological measuring, obtains characteristics of human body's information;
Described manikin definition unit (300), characteristics of human body's information algorithmic tool library management unit (400), anthropological measuring rule template administrative unit (500), 3 D human body grid data are resolved measuring unit (600) and are connected respectively to man-machine interactive interface (900);
Described manikin definition unit (300) is connected to described 3 D human body grid database (150) and characteristics of human body's model bank (350); Described characteristics of human body's information algorithmic tool library management unit (400) is connected to characteristics of human body's model bank (350) and rudimentary algorithm tool storage room (450); Described anthropological measuring rule template administrative unit (500) is connected to described rudimentary algorithm tool storage room (450) and anthropological measuring rule base (550), and described 3 D human body grid data is resolved measuring unit (600) and is connected to 3 D human body grid database (150) and anthropological measuring rule base (550).
2. 3 D human body modeling able to programme according to claim 1 and anthropological measuring system is characterized in that described 3 D human body modeling able to programme and anthropological measuring system also comprise the characteristics of human body's information database (650) that is used to store the anthropological measuring result; Described characteristics of human body's information database (650) is connected to described 3 D human body grid data and resolves measuring unit (600).
3. 3 D human body modeling able to programme according to claim 2 and anthropological measuring system; It is characterized in that described characteristics of human body's information database (650) is connected to described dummy body form Data Management Unit (200), is configured to the three-dimensional virtual human platform based on the characteristics of human body.
4. 3 D human body modeling able to programme and human body measurement method are used for described 3 D human body modeling able to programme of claim 1 and anthropological measuring system, it is characterized in that described measuring method comprises following steps at least:
S100) obtain each individual 3 D human body grid data through 3 D human body grid data input media, store the 3 D human body grid database into;
S200) from the 3 D human body grid data, extract and define lineup's body characteristics object through man-machine interactive interface, set up manikin, be stored into characteristics of human body's model bank based on the characteristics of human body;
S300) each characteristics of human body's object of corresponding said manikin is created a characteristic commands that is used to set up, revise or delete described characteristics of human body's information, stores the rudimentary algorithm tool storage room into;
S400) characteristic commands called in the described rudimentary algorithm tool storage room of recording user is carried out the anthropological measuring process, generates the anthropological measuring rule template, is stored into the anthropological measuring rule base;
S500) call the anthropological measuring rule template and resolve the 3 D human body grid data, from the 3 D human body grid, extract characteristics of human body's information, generate anthropometric data based on the characteristics of human body according to characteristics of human body's model.
5. 3 D human body modeling able to programme according to claim 4 and human body measurement method is characterized in that described measuring method also comprises the following step:
S600) to each individual 3 D human body grid data repeating step S500, store the anthropometric data that obtains into the characteristics of human body information database based on the characteristics of human body, make up dummy body form based on the characteristics of human body.
6. 3 D human body modeling able to programme according to claim 4 and human body measurement method is characterized in that described step S400 comprises following action:
S410) select a 3 D human body grid data collection to be measured, create the anthropological measuring rule template of corresponding blank;
S420), read or select the human body mesh object through man-machine interactive interface from the 3 D human body grid database according to described 3 D human body grid data collection;
S430) according to the selected human body mesh object of step S420; Call and carry out corresponding characteristic commands in the said rudimentary algorithm tool storage room; Through man-machine interactive interface input feature vector object oriented; Confirm or modification characteristics of human body information, create also storing characteristics of human body's object of describing said human body mesh object to be measured;
S440) characteristic commands of being called among the recording step S420 is appended to the anthropological measuring rule template with described characteristic commands;
S450) judge whether create completion, accomplish if create if measuring rule template, then forward step S460 to, otherwise return step S420;
S460) the anthropological measuring rule template that circulation execution in step S420 to S440 is generated is stored into the anthropological measuring rule base, and described anthropological measuring rule template comprises described 3 D human body grid data collection is carried out somatometric characteristic commands sequence.
7. 3 D human body modeling able to programme according to claim 6 and human body measurement method is characterized in that described anthropological measuring rule template is the macros sequence in Computer Memory Unit; Described anthropological measuring rule base is the macros storehouse in Computer Memory Unit; Described step S440 is the automatic recording user operation process of described 3 D human body modeling able to programme and anthropological measuring system, and is appended to the step of said macros sequence to the characteristic commands that the user called; Described step S460 is that the user passes through the man-machine interactive interface control operation, is stored into the automatic macros that generates of system the step in macros storehouse.
8. according to described 3 D human body modeling able to programme of each claim of claim 4～7 and human body measurement method, it is characterized in that described 3 D human body grid data is the triangle gridding entity of the body surface shape of description; Described manikin is one group of set of describing characteristics of human body's object of 3 D human body grid characteristic, and wherein, everyone body characteristics object comprises characteristics of human body's information of this object of feature object Name and Description at least; Described characteristics of human body's object comprises feature grid, unique point, characteristic plane, characteristic straight line, characteristic curve, characteristic dough sheet and pattern measurement size; Described characteristics of human body's information is to describe the geometric data or the dimensional data of characteristics of human body's object.
9. according to described 3 D human body modeling able to programme of each claim of claim 4～7 and human body measurement method; It is characterized in that described characteristic commands is one group of instrument or algorithm set that generates and revise characteristics of human body's information according to described manikin; The user calls the characteristic commands that is stored in the rudimentary algorithm tool storage room through man-machine interactive interface; The input feature vector object oriented; Discern and set up characteristics of human body's object, confirm or revise the geometric data or the dimensional data of characteristics of human body's information.
10. according to described 3 D human body modeling able to programme of each claim of claim 4～7 and human body measurement method; It is characterized in that described measuring method is in described 3 D human body modeling able to programme and anthropological measuring system, to set up programmable anthropological measuring rule template, and different 3 D human body grid datas is carried out the characteristic commands sequence in the described anthropological measuring rule template; Carry out when measuring rule,, accomplish automatically by computing machine for the systematicness that can on Different Individual, correctly the repeat operation that computing machine can accurately be accomplished; For computing machine can not be on Different Individual correct handling and the operation of confirming; Through man-machine interactive interface guiding user's artificial selection or input; Realization realizes that with the operation that less manually-operated replacement computer can not correctly realize three-dimensional body dimension is measured accurately and rapidly.
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