Fig.1

Apparel products categorization"

Fig.2

Knitting direction and knitting pattern. （a） Longitudinal knitting sequence；（b） Crosswise knitting sequence；（c） Knitting patterns for different parts of knitted garments"

Fig.3

Meshing of panel"

Fig.4

Pattern diagram"

Fig.5

2+2 rib bottom-starting structure diagram"

Fig.6

Knitting diagram"

Fig.7

Geometry of loop"

Fig.8

Stitch loop grid model.（a） Grid boundary points as coil control points； （b） Grid center points as coil control points"

Fig.9

Stitch loop models.（a） Tuck stitch model；（b） One-stitch left shift stitch model"

Fig.10

Analysis and modeling of loop needle displacement changes.（a） Geometric relationship diagram for different right shift stitch counts；（b） 3-D simulation effects for different movement stitch counts"

Fig.11

Loop models of five types of forming processes"

Fig.12

Model of bottom loop.（a） Front view；（b） Top view"

Fig.13

Geometric relationship diagram between a triangle and grid points.（a） Graph of positional relationship between grid points and triangles； （b） Vector representation of triangles"

Fig.14

Transformation from 2-D plane to 3-D space"

Fig.15

3-D simulation and virtual presentation of sleeveless knitted apparel.（a） 3-D simulation of knitted vest；（b） virtual presentation of sleeveless knitwear"

Fig.16

3-D Simulation and virtual presentation of a knitted garment with sleeves.（a） 3-D Simulation of knitted garment with sleeves；（b） Virtual presentation of knitted garment with sleeves"