Method and apparatus for 3D clothing draping simulation
The present disclosure relates to a method of applying a sublayer in which a layer is applied on the basis of a sewing line as a unit and an apparatus thereof in making 3D clothing by computer simulation. A partial region within a pattern is designated by selecting a sewing line through a user interface, and a sublayer in which a layer is set on the basis of the sewing line is set.
1. A 3D clothing draping simulation method including draping 2D clothing patterns on an avatar model and rendering and displaying a draping result, the 3D clothing draping simulation method comprising:
designating a first line and a second line, among sewing lines, with respect to a received sublayer relation between the first line and the second line;
generating an operation symbol and a guideline in one direction showing the sublayer relation, wherein the sublayer relation is determined based on both the operation symbol and the direction of the guideline; and
applying a layer limitation on a first partial region of a first pattern including the first line and a second partial region of a second pattern including the second line,
wherein the applying of the layer limitation comprises:
extracting first meshes having the first line as a line segment from the first pattern,
extracting second meshes having the second line as a line segment from the second pattern, and
applying the layer limitation on the extracted first and second meshes so that the first line and the second line are layered with each other according to the sublayer relation,
wherein the operation symbol represents a front and behind relation between the sewing lines,
wherein the sublayer relation represents a relation in which the first and second lines are sewn to overlap each other,
wherein the first pattern including the first line, and the second pattern including the second line are movable in relation to each other,
wherein the direction of the guideline is switched from heading from the first line to the second line to heading from the second line to the first line based on a receipt of a first reverse input, and
wherein the operation symbol is switched from a first sign indicating a starting line corresponding to a starting point of the guideline being behind or below an ending line corresponding to an ending point of the guideline to a second sign indicating the starting line being in front of or above the ending line based on a receipt of a second reverse input.
2. The 3D clothing draping simulation method of claim 1 , further comprising extracting the sewing lines, which are sewn on a clothing pattern.
3. The 3D clothing draping simulation method of claim 1 , wherein the sewing lines are extracted in response to a sublayer tool being selected.
4. The 3D clothing draping simulation method of claim 1 , wherein the applying of the layer limitation includes fixing a first pattern region including the second line as the line segment, moving a second pattern region including the first line as the line segment, and overlaying the first pattern region on the second pattern region.
5. The 3D clothing draping simulation method of claim 1 , wherein the applying of the layer limitation includes connecting lattice points of the first mesh and second mesh by a spring.
6. The 3D clothing draping simulation method of claim 5 , wherein the designating of the first line and the second line includes switching roles of the first line and the second line.
7. The 3D clothing draping simulation method of claim 1 , wherein the designating of the first line and the second line includes receiving the front and behind relation.
8. The 3D clothing draping simulation method of claim 1 , wherein lattice points of the first line and lattice points of the second line correspond to each other.
9. The 3D clothing draping simulation method of claim 1 , wherein the first pattern and the second pattern are different from each other.
10. The 3D clothing draping simulation method of claim 1 , wherein the first pattern and the second pattern are the same.
11. The 3D clothing draping simulation method of claim 1 , further comprising applying a sublayer, wherein the sublayer relation of the sublayer is applied so that the designated first line overlaps the designated second line in front of or above the second line, and the sublayer is disposed between the designated first line and the designated second line.
12. The 3D clothing draping simulation method of claim 1 , wherein the guideline is generated when the first line is designated, and the guideline points in the direction of the second line when the second line is designated.
13. The 3D clothing draping simulation method of claim 12 , wherein the guideline pointing in the direction of the second line indicates that the first line is overlaid on the second line.
14. A 3D clothing draping simulation apparatus including a draper configured to drape 2D clothing patterns on an avatar model and a display configured to render and display a draping result, the 3D clothing draping simulation apparatus comprising:
a sewing line designator configured to receive designation of a first line and a second line, among sewing lines;
a user interface including a sublayer inputter configured to receive a sublayer relation between the first line and the second line; and
a sublayer applier configured to apply a layer limitation on a portion of a first pattern including the first line and a second pattern including the second line so that the first line and the second line which have received the sublayer relation are layered with each other,
wherein the sublayer applier is further configured to generate an operation symbol and a guideline in one direction showing the sublayer relation between the first and second lines, the sublayer relation being determined based on both the operation symbol and the direction of the guideline,
wherein the operation symbol represents a front and behind relation between the sewing lines,
wherein the sublayer relation represents a relation in which the first and second lines are sewn to overlap each other,
wherein the sublayer applier is further configured to designate partial regions to a layer within the first pattern including the first line and the second pattern including the second line,
wherein the first pattern including the first line and the second pattern including the second line are movable in relation to each other,
wherein the direction of the guideline is switched from heading from the first line to the second line to heading from the second line to the first line based on a receipt of a first reverse input, and
wherein the operation symbol is switched from a first sign indicating a starting line corresponding to a starting point of the guideline being behind or below an ending line corresponding to an ending point of the guideline to a second sign indicating the starting line being in front of or above the ending line based on a receipt of a second reverse input.
15. The 3D clothing draping simulation apparatus of claim 14 , wherein lattice points of the first line and lattice points of the second line correspond to each other.
16. The 3D clothing draping simulation apparatus of claim 14 , wherein meshes having the first line as a line segment are extracted from the first pattern, and meshes having the second line as a line segment are extracted from a the second pattern.
17. The 3D clothing draping simulation apparatus of claim 14 , wherein the sewing lines are extracted in response to a sublayer tool being selected.