Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (02): 87-92.doi: 10.13475/j.fzxb.20201000807

• Textile Engineering • Previous Articles     Next Articles

Simulation and virtual display for few-guide bar yarn dyed fabric based Web

LIU Haisang, JIANG Gaoming(), DONG Zhijia   

  1. Engineering Research Center for Knitting Technology, Ministry of Education,Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2020-10-06 Revised:2020-11-03 Online:2021-02-15 Published:2021-02-23
  • Contact: JIANG Gaoming E-mail:jgm@jiangnan.edu.cn

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Abstract:

In order to simulate and virtually display the few-guide bar yarn dyed fabrics, and analyze the knitting principle and the structure characteristics, based on the measurement and analysis of the actual stitch size, geometric models for stitches were established. Matrices for coordinates of stitches and transformation were adopted to obtain the stitch coordinates of the whole fabric according to the chain notation. Double buffer technology in the Web software was used to store the canvases with stitches and underlaps, which were superimposed together to implement the simulation. The pattern texture was captured as a screenshot, which was displayed on garment models by texture mapping. The simulated results were validated by comparing bitmaps of the real fabrics and the simulated ones. This research indicates that the method adopted is able to precisely simulate the pattern and size to achieve the visual design and display.

Key words: few-guide bar yarn dyed fabric, geometric models for stitches, garment virtual display, knitted fabric simulation

CLC Number: 

  • TS186.1

Fig.1

Pattern effect of few-guide bar yarn dyed fabric. (a)Cross stripe; (b)Vertical stripe"

Fig.2

Structure of few-guide bar yarn dyed fabric. (a)Technical face; (b)Technical back; (c)Technical side"

Fig.3

Size measurement of single loop"

Fig.4

Six-point loop model"

Fig.5

Underlap model"

Fig.6

Models for mislaping. (a)Lay-in thread movement; (b)Geometrical model"

Fig.7

Coordinate translation of original yarn"

Fig.8

Stitch combination in 3 courses and 3 wales"

Fig.9

Layered diagram for double-bar warp knitted fabric"

Fig.10

Minimum unit of pattern texture. (a) Simulation of single threading-cycle; (b) Screenshot in a single pattern cycle"

Fig.11

Integrated unit of pattern texture. (a) Pattern in 3×3 pattern cycles; (b) Screenshot in a complete single cycle"

Fig.12

Simulation results. (a) Real fabric; (b) Simulation effect; (c) Color matching Ⅰ; (d)Color matching Ⅱ"

Tab.1

Size comparison of simulated and real fabric"

测量位置 实际值/mm 仿真值/mm 偏差/%
P1P2 10.42 10.50 0.76
P2P3 10.13 10.20 0.69

Fig.13

Simulation results with different threading regular. (a) Uniform threading; (b)Gradual threading"

Fig.14

Virtual display of shirts"

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