Three-dimensional garment modeling and pattern designing method based on draping

A design method and three-dimensional cutting technology, applied in image data processing, instruments, etc., can solve the problems of inconvenient modification of three-dimensional shape, poor operability, and complicated operation of three-dimensional clothing.

Active Publication Date: 2012-01-25
杭州力孚信息科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Since the operation of transforming 2D patterns into 3D garments is relatively complicated, and the modification of 3D shap

Method used

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  • Three-dimensional garment modeling and pattern designing method based on draping
  • Three-dimensional garment modeling and pattern designing method based on draping
  • Three-dimensional garment modeling and pattern designing method based on draping

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Embodiment Construction

[0125] This embodiment relates to a three-dimensional clothing modeling and pattern design method based on three-dimensional cutting. For the overall steps, see figure 1 :

[0126] Step 1: Read in a 3D clothing model represented by a triangular mesh surface, see figure 2 , the image on the left is displayed in shaded mode, and the one on the right is displayed in grid mode.

[0127] Step 2: Generate an initial 3D clothing surface model based on the 3D human body model, see image 3 . The 3D clothing model is obtained by offsetting the mesh surface of the 3D human body model. For different types of human bodies (including upper body, lower body and full-body mannequins), different types of clothing (including tops and pants) need to be processed in advance, such as mesh surface deformation, smoothing or cutting, and then offset generation The initial 3D clothing model.

[0128] Step 3: Generate the outline of the 3D clothing model. The front and side contours of the ini...

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Abstract

The invention discloses a three-dimensional garment modeling and pattern designing method based on draping. The method comprises the following steps of: reading a three-dimensional human model represented by a triangular grid to generate a three-dimensional garment model; generating a contour line of the three-dimensional garment model, and modifying the shape of the contour line; drawing suture lines on the surface of the three-dimensional garment model to divide the surface of the three-dimensional garment model into a plurality of areas of which each is a three-dimensional pattern; selecting a three-dimensional pattern, generating the three-dimensional grid corresponding to the three-dimensional pattern, converting the three-dimensional grid into a two-dimensional garment pattern, and setting a suture schematic drawing of the two-dimensional garment pattern; re-discretizing a boundary line of the two-dimensional garment pattern into a polygon consisting of straight line segments with uniform lengths, and triangulating the two-dimensional garment pattern; and computing the position of the triangulated two-dimensional garment pattern in a three-dimensional space to obtain a final three-dimensional garment model, and finally simulating hanging effects of three-dimensional garments. The method is high in speed and relatively higher in accuracy.

Description

technical field [0001] The invention relates to a three-dimensional clothing modeling design method, in particular to a three-dimensional clothing modeling and pattern design method based on three-dimensional cutting. Background technique [0002] The common garment design and production process includes steps such as style design, pattern design, cloth cutting and sewing, among which garment pattern design is an essential key step in garment design and production. Garment pattern design is the process of transforming three-dimensional garments into two-dimensional patterns. For a long time, paper pattern design has been done by hand, and the shape of the paper pattern is designed by the designer based on experience and imagination. This requires designers to have very good spatial imagination and practical experience, and it takes many years to train an excellent pattern designer. At present, although the application of clothing CAD software has been relatively popular, i...

Claims

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Application Information

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IPC IPC(8): G06T19/00
Inventor 张东亮
Owner 杭州力孚信息科技有限公司
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