CN102609565A - Parameterized brim-structure design method on basis of clothing CAD (computer-aided design) software - Google Patents
Parameterized brim-structure design method on basis of clothing CAD (computer-aided design) software Download PDFInfo
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- CN102609565A CN102609565A CN2012100082036A CN201210008203A CN102609565A CN 102609565 A CN102609565 A CN 102609565A CN 2012100082036 A CN2012100082036 A CN 2012100082036A CN 201210008203 A CN201210008203 A CN 201210008203A CN 102609565 A CN102609565 A CN 102609565A
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- brim
- hat
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- curvature
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Abstract
The invention provides a parameterized brim-structure design method on the basis of the clothing CAD (computer-aided design) software, which is characterized by including: firstly, importing a geometric model of a circular truncated cone by the principle of mathematics; secondly, creating a mathematical relation model about the three-dimensional brim inclination angle and the two-dimensional curvature radius during brim drawing; thirdly, building the basic brim type paper patterns by the aid of a parameterized platform based on the clothing CAD software, and then generating the required brim paper patterns automatically by modifying surface dimension or detail dimension according to requirements of styles. The parameterized brim-structure design method on the basis of the clothing CAD software has the advantages that the theory basis for design of brim paper patterns is established, the paper patterns of the basis brim type are designed, the paper patterns of brims in different dimensions and styles can be formed automatically, the technical problem that experiences and repeated tests are required for the process of brim drawing in the prior art is solved, design cost is reduced, work efficiency is improved, and production requirements for customizing hats are met.
Description
Technical field
The invention belongs to the dress ornament technical field, be specifically related to the structure-design technique that the brim of a hat parameter changes in the cap production plate-making process,, three-dimensional the brim of a hat angle is converted into the parameterization design method of two-dimentional the brim of a hat curvature particularly based on CAD of Garment software.
Background technology
Along with clothes fashion and the freedom day by day of wearing ceremony and random, cap becomes the focus of fashion gradually, and changeable style is liked by modern female deeply.And in academic research, the structural design of cap is often out in the cold, and it is counted as clothing component in relevant books, and very limited to the length of its argumentation, and principle and method that cap sequence is designed lack systematic research and exploration.
The brim of a hat is to give one of parts of variation most in the cap design, and the brim of a hat all around angle can arbitrarily design, and how the three-dimensional the brim of a hat angle of different parts being converted into two-dimensional curvature becomes the difficult point that brim structure is drawn.Use repeatedly the method for sample to design and improve the brim of a hat pattern traditionally.The shortcoming of this traditional design method is: fidelity factor and efficient are low, and the style variation has significant limitation.
Summary of the invention
The purpose of this invention is to provide the diverse brim structure method for designing of a kind of efficient height and style.
In order to achieve the above object, technical scheme of the present invention has provided a kind of parametrization brim structure method for designing based on CAD of Garment software, it is characterized in that step is:
Step 2, utilize CAD of Garment software to draw to enclose elliptic cross-section according to human body head circumference plotted cap, to enclose elliptic cross-section according to cap again and draw the brim of a hat fundamental mode, the brim of a hat fundamental mode is the side expansion shape of the elliptical table model set up of step 1;
Preferably, also comprise: step 4, from the brim of a hat pattern that obtains the design form of the intercepting the brim of a hat, thereby obtain final the brim of a hat pattern.
Technical characterstic of the present invention is:
1, the present invention is based on the round platform geometric model; Through making up the relation mathematic model between the brim of a hat three-dimensional perspective and the brim of a hat two-dimensional curvature, adopt CAD of Garment software with parametrization function, create the brim of a hat fundamental mode; Through to of the modification of the brim of a hat overall dimension, realize that pressing generates automatically with thin portion size.
2, the present invention's difference subjective experience judgement, repetition test method in the past is scientific and reasonable, and the changeable the brim of a hat style pattern of convenient realization generates automatically.
The technique effect of the inventive method is: established the theoretical foundation of the brim of a hat paper pattern design, set up the brim of a hat pattern fundamental mode, can realize the automatic generation of different size, different style the brim of a hat pressings.Solve the technical matters that traditional needs lean on the method drafting the brim of a hat of experience and repetition test, reduced design cost, improved work efficiency, satisfied the production demand of the cap of customizing.
Description of drawings
Figure 1A is the round platform geometric model;
Figure 1B is the round platform stretch-out view;
Fig. 2 encloses horizontal sectional view for oval cap;
Fig. 3 A is the brim of a hat pattern fundamental mode drawing process figure;
Fig. 3 B is a brim of a hat pattern fundamental mode;
Fig. 4 is flat-top moulding sunbonnet embodiment style figure;
Fig. 5 A is the brim of a hat pattern fundamental mode drawing process figure to the brim of a hat among Fig. 4;
Fig. 5 B is the brim of a hat pattern fundamental mode to the brim of a hat among Fig. 4;
Fig. 6 is peaked cap embodiment style figure;
Fig. 7 A is the brim of a hat pattern fundamental mode drawing process figure to the brim of a hat among Fig. 6;
Fig. 7 B is the brim of a hat pattern fundamental mode to the brim of a hat among Fig. 6.
Embodiment
For making the present invention more obviously understandable, now with a preferred embodiment, and conjunction with figs. elaborates as follows.
The principle and the step of the inventive method are following:
One, make up the brim of a hat mathematical model:
Before the foundation of carrying out the brim of a hat fundamental mode, introduce the round platform geometric model, shown in Figure 1A and Figure 1B, the solid line of Figure 1B partly is the form after round platform launches.In Figure 1A, can know:
by cosine formula promptly:
Can know that by formula 1-1 the radius R after round platform launches is only relevant with corresponding round platform radius r and the angle θ of this radius.
According to the human body head characteristic; Therefore the non-positive circle of the section morphology of human body head, the head breadth can regard the brim of a hat as an elliptical table than the ellipse that is about 0.85; At this moment; In formula 1-1, R is the radius-of-curvature at cap contour point place, and r, θ are respectively this point corresponding oval cross section radius and the brim of a hat angle of inclination.According to Fig. 2 oval cross section drawing principle then,
r
s=(cap encloses/3+0.3) * 0.85, and substitution formula 1-1 obtains:
R
f, R
b, R
sRepresent the brim of a hat to launch radius-of-curvature afterwards forward and backward, the left and right sides respectively; θ
f, θ
b, θ
sRepresent respectively that the brim of a hat is forward and backward, the inclination angle, elliptical table side of the left and right sides (, also being the brim of a hat inclination angle promptly) with the angle of surface level; r
f, r
b, r
sRepresent respectively that the cap contour is forward and backward, left and right sides radius corresponding.Think the brim of a hat left-right symmetric here, the brim of a hat is divided into forward and backward, four zones, the left and right sides draws respectively.
Two, parametrization the brim of a hat fundamental mode is set up:
Present embodiment is that platform carries out the design of parametrization brim structure with space flight ARISA CAD of Garment software.Space flight ARISA system has intellectuality and the Parameterization Structural Design function that powerful interlock is revised; Can between computer and operator, form man-machine conversation; Through changing parameter; Change needs the structure division of change, rather than total is made amendment, thereby saves human and material resources and financial resources greatly.
1, computer is beaten edition preliminary work
The setting of mapping environment:
Open space flight CAD print design system, with the cursor on the mouse moving screen, indication " settings " is also pressed left button, selection centimetre in unit (centimetre, cun, inch) hurdle.
Size table is set up:
Cursor moves to menu bar " file " and locates, and a mouse click left button selects " newly-built size table file " option in the drop-down menu, and screen ejects position option dialog box.Get head circumference (representing that here cap encloses), ratio 1 ratio of the left and right sides head breadth (the front and back head breadth with) as required and confirm.Screen ejects newly-built size table graphical interfaces, can newly-built size table file.Clicking increases sign indicating number number, and new sign indicating number numbering 56 of input and carriage returns activate each space, position, import corresponding overall specifications.Head circumference is 56cm, and the head breadth is than 0.85, and the size table file is called " the brim of a hat fundamental mode size table .sss ", clicks preservation.To different cap styles, can revise each spot size according to the style demand.Simultaneously, also can increase the sign indicating number number, realize a many yards style automatic grading.
Open the File menu hurdle, select " newly-built print file " in the drop-down menu to click, " the brim of a hat fundamental mode size table .sss " size table file that selection has just been preserved has got into print design effort state this moment.
2, cap encloses oval the drafting
The head cross section at cap contour place is approximately oval, and the method for drafting of employing CAD of Garment is (as shown in Figure 2) as follows:
Click the ray function key, the head breadth=head circumference/3+0.3 before and after getting is line segment bb ', with mean line function key line taking section bb ' line mid point O.
Click the vertical line function key, be the vertical line aa ' of line segment bb ', the length of vertical line aa ' is " length * head breadth of line segment bb ' is than (0.85) ".
On line segment bb ',, get with getting a function key on the line
Find out an O respectively
1, O
2
Click the macros function key, select Circle2, respectively with O
1, O
2Be the center of circle, line segment Oa is long to be radius, draws circle.Be the center of circle with a, a ' respectively again, the length of vertical line aa ' is that radius is drawn circle.Article four, circular arc surrounds an ellipse, accomplishes the head circumference oval cross section and draws, and is as shown in Figure 2, saves as " cap encloses elliptic cross-section .whl " file.
Wherein:
r
s=(cap encloses/3+0.3) * 0.85
3, the drafting of the brim of a hat fundamental mode
Open space flight CAD, get into print design effort state, open " cap encloses elliptic cross-section .whl " file, the brim of a hat fundamental mode drawing process is shown in Fig. 3 A and Fig. 3 B.
Click the ray function key,, draw horizontal rays O according to formula 1-2,1-3,1-4
3F, O
4B, O
1S, length is respectively
(θ
f=30 °, θ
b=35 °, θ
s=40 °).Ie
Click the macros function key, select Circle2, respectively with O
3Be the center of circle, length O
3F is that radius is drawn circular arc
With O
4Be the center of circle, length O
4B is that radius is drawn circular arc
Again with O
1Be the center of circle, length O
1S is that radius is drawn circular arc
Click and get a function key on the line, respectively at drawn circular arc
On get some arc
Point f, b, S are respectively mid point.Click the ray function key, connect m respectively
1O
1, m
2O
3, m
3O
3, n
1O
1, n
2O
4, n
3O
4
Click the extended line function key, prolong Of to f ' point, ff ' is the wide of the preceding the brim of a hat, prolongs Ob to b ' point, and bb ' is the wide of the back the brim of a hat, prolongs OS to S ' point, and SS ' is the wide of the side the brim of a hat.(width of the brim of a hat is relevant with the style of cap, and among Fig. 3 A and Fig. 3 B, it is consistent that the brim of a hat front and back width is set, and is 8cm).Prolong O
1m
1To m
1', m
1m
1' length is (ff '+SS ')/2, m
2m
2'=m
1m
1'; Prolong n
1O
1To n
1', n
1n
1' length is (bb '+SS ')/2, n
2n
2'=n
1n
1'.
Click choice structure figure dotted line, choose m
1m
1', m
2m
2', n
1n
1', n
2n
2', SS ' and arc
With f ' b ' is that axis of symmetry duplicates and symmetry, shown in Fig. 3 A.
Adopt line to lean on the line function at last, click the free curve function key, connect the brim of a hat outer edge, set up the brim of a hat fundamental mode, see Fig. 3 B, save as " the brim of a hat fundamental mode .whl " file.
Three, the brim of a hat pattern of different size and style generates automatically
The variation of the brim of a hat is mainly aspect two: the variation of the variation at the brim of a hat angle of inclination and the brim of a hat width.
Common the brim of a hat angle changes has following several kinds, sees table 1:
| ∠F | ∠S | ∠B | |
| 1 | 0 | 0 | 0 |
| 2 | 20° | 20° | 20° |
| 3 | 30° | 35° | 40° |
| 4 | 45° | 50° | 55° |
| 5 | 60° | 65° | 70° |
The angular distortion kind of the typical the brim of a hat of table 1
In the brim of a hat fundamental mode, the r value is only relevant with the human body head size, and is irrelevant with the brim of a hat style.According to formula 1-1, change the value of cos θ, the radius-of-curvature of the brim of a hat, i.e. O
3F, O
4B, O
1S length changes.Therefore can think and change O
3F, O
4B, O
1The length of S just can change the angle of inclination of the brim of a hat.Get into the modification pattern, click the straight line such as the O that will revise
3F, only need are revised the value of cos θ, by carriage return, can produce new the brim of a hat radian, and then generate brim structure figure automatically.
The width of the brim of a hat is relevant with the style moulding of cap, and the variation of the brim of a hat width also can be made amendment through the modification pattern.Get into the modification pattern, click the value that straight line ff ', SS ', bb ' can revise these three variablees.
Example 1: flat-top moulding sunbonnet the brim of a hat pattern generates automatically
The concrete thin portion of flat-top moulding sunbonnet (Fig. 4) specification is seen table 2:
The thin portion of table 2 flat-top corsage sunbonnet specification
Call the brim of a hat fundamental mode " the brim of a hat fundamental mode .whl " file, click function key,, revise: the value of head circumference (56cm), ratio 1 (0.85) according to the cap specification.Use the modification pattern, change the thin portion of the brim of a hat specification.Because, cos30 °=0.866, cos35 °=0.819, cos40 °=0.766, therefore with the O among Fig. 5 A
3F, O
4B, O
1The value of S changes into respectively
Revise ff '=10.5cm, bb '=10.2cm, SS '=10.4cm, can generate the brim of a hat shown in Fig. 5 B, call by name and preserve file " flat-top moulding sunbonnet the brim of a hat .whl ".
Example 2: peaked cap the brim of a hat pattern generates automatically
The angle changing method of above-mentioned fundamental mode is applicable to all the brim of a hat styles, and peaked cap (Fig. 6) the brim of a hat also can be behind the angle initialization of the brim of a hat fundamental mode, intercepting duck ligulate attitude.Method for drafting is shown in Fig. 7 A and Fig. 7 B:
Open " the brim of a hat fundamental mode .whl " file; According to the brim of a hat angle change method; Change the brim of a hat angle of inclination: S=40 ° of ∠ F=∠ (preceding, side the brim of a hat angle that the peaked cap the brim of a hat only need change) clicks and gets a function key on the line, gets the m point; Reuse on the line and get a function key, find out c, d point respectively.(position of m, c, d each point is relevant with the style of the brim of a hat, fd=5.6cm among the figure, cg=2.8cm, arc f
ΛM=9.5cm)
Click choice structure figure dotted line, selected point m, c make the symmetric points of ob straight line, and symmetric points are respectively n, e.Click the free curve function key, connect m, c, d, e, n each point, can form peaked cap eaves outline line.Save as " peaked cap the brim of a hat .whl " file.
Through experimental verification, the brim of a hat pressing that the inventive method obtains is applicable to the various thes brim of a hat of different size, different styles.And style changes convenient, and practicality is wide, is highly suitable for the production of cap enterprise.The foundation of the brim of a hat mathematical model also provides scientific basis for the conversion between the brim of a hat three-dimensional perspective and two-dimensional curvature.And method provided by the invention also applies to the cap pattern with CAD of Garment software first and goes in the generation automatically, has the originality meaning.
Claims (2)
1. parametrization brim structure method for designing based on CAD of Garment software is characterized in that step is:
Step 1, be an elliptical table with the brim of a hat equivalence; The cylindrical periphery of the less bottom surface of area is the cap contour in the elliptical table; Set up the elliptical table model, the cylindrical periphery of this elliptical table is divided into four zones, front, rear, left and right, zone, the left and right sides is about the horizontal center line left-right symmetric of bottom surface; After launch this elliptical table side, the radius-of-curvature of forefoot area
The radius-of-curvature of rear region
The radius-of-curvature in zone, the left and right sides
θ
f, θ
b, θ
sBe respectively the inclination angle, elliptical table side in forefoot area, rear region, zone, the left and right sides, r
f, r
b, r
sBe respectively the radius in cap contour and forefoot area, rear region, left and right sides area relative zone;
Step 2, utilize CAD of Garment software to draw to enclose elliptic cross-section according to human body head circumference plotted cap, to enclose elliptic cross-section according to cap again and draw the brim of a hat fundamental mode, the brim of a hat fundamental mode is the side expansion shape of the elliptical table model set up of step 1;
Step 3, through changing θ
f, θ
b, θ
sAdjust radius of curvature R
f, radius of curvature R
bAnd radius of curvature R
sThereby, change the angle of inclination of the brim of a hat, the angle of inclination of the brim of a hat is adhered to specification, adjust the width of the brim of a hat through the width of adjustment the brim of a hat fundamental mode, obtain the brim of a hat pattern.
2. a kind of parametrization brim structure method for designing based on CAD of Garment software as claimed in claim 1 is characterized in that, also comprises: step 4, from the brim of a hat pattern that obtains the design form of the intercepting the brim of a hat, thereby obtain final the brim of a hat pattern.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210008203 CN102609565B (en) | 2012-01-12 | 2012-01-12 | Parameterized brim-structure design method on basis of clothing CAD (computer-aided design) software |
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|---|---|---|---|
| CN 201210008203 CN102609565B (en) | 2012-01-12 | 2012-01-12 | Parameterized brim-structure design method on basis of clothing CAD (computer-aided design) software |
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| Publication Number | Publication Date |
|---|---|
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| CN102609565B CN102609565B (en) | 2013-10-09 |
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|---|---|---|---|
| CN 201210008203 Expired - Fee Related CN102609565B (en) | 2012-01-12 | 2012-01-12 | Parameterized brim-structure design method on basis of clothing CAD (computer-aided design) software |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358099A (en) * | 2019-09-05 | 2020-07-03 | 四川大学 | Method for constructing parameterized inclined-cut circular skirt |
| CN114528610A (en) * | 2022-01-21 | 2022-05-24 | 深圳市佐吖服装有限公司 | Novel parameterized brim design method based on garment cad software |
| CN114528610B (en) * | 2022-01-21 | 2024-06-21 | 深圳市佐吖服装有限公司 | Novel parameterized cap peak design method based on clothing cad software |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105871U (en) * | 1990-02-06 | 1992-06-03 | 卢庄 | Folding sun hat |
| US5553327A (en) * | 1994-10-06 | 1996-09-10 | Anthony R. Koecher | Hat made from cardboard beverage container and method of making the same |
| JP2002088555A (en) * | 2000-09-14 | 2002-03-27 | Nakajima Kinzoku Kako:Kk | Sunshade attachable cap |
| JP4518433B2 (en) * | 2008-12-17 | 2010-08-04 | 正子 加納 | How to make a hat with a hook |
-
2012
- 2012-01-12 CN CN 201210008203 patent/CN102609565B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105871U (en) * | 1990-02-06 | 1992-06-03 | 卢庄 | Folding sun hat |
| US5553327A (en) * | 1994-10-06 | 1996-09-10 | Anthony R. Koecher | Hat made from cardboard beverage container and method of making the same |
| JP2002088555A (en) * | 2000-09-14 | 2002-03-27 | Nakajima Kinzoku Kako:Kk | Sunshade attachable cap |
| JP4518433B2 (en) * | 2008-12-17 | 2010-08-04 | 正子 加納 | How to make a hat with a hook |
Non-Patent Citations (1)
| Title |
|---|
| 邓洪涛，李哲: "平顶休闲帽的制图与裁剪", 《嘉兴学院学报》, vol. 14, no. 6, 30 November 2002 (2002-11-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358099A (en) * | 2019-09-05 | 2020-07-03 | 四川大学 | Method for constructing parameterized inclined-cut circular skirt |
| CN114528610A (en) * | 2022-01-21 | 2022-05-24 | 深圳市佐吖服装有限公司 | Novel parameterized brim design method based on garment cad software |
| CN114528610B (en) * | 2022-01-21 | 2024-06-21 | 深圳市佐吖服装有限公司 | Novel parameterized cap peak design method based on clothing cad software |
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| CN102609565B (en) | 2013-10-09 |
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