JP2836760B2 - Surface pattern pattern making equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a surface pattern pattern forming apparatus, and more particularly, to input a number of twists when forming a surface pattern pattern of warp and weft, which is the basis of a yarn-dyed dobby fabric. This makes it possible to express the twisting strength of the two-color twisted yarn, and it can be used as a textile (woven fabric).
The present invention relates to a surface pattern pattern creating apparatus which can easily design a pattern of a pattern.

(Prior art)

Textiles have a wide variety of weaving structures (orisoshiki), and the colors of yarns used vary widely depending on the design. In addition, the woven fabric is seemingly flat, but in actuality it has irregularities on its surface depending on the type of woven structure, and further, depending on the thickness of the yarn and the number of yarns per unit, there is a feeling that it is received and it is subtle. There is a property that it is different in some places. Therefore, in order to commercialize a yarn-dyed dobby fabric with a new design, it is necessary to create a sample weave for each design and confirm the quality of the design, which is not only time-consuming but also burdens the cost. I was

For this reason, a method of creating a surface pattern using a computer when designing a dyed dobby fabric has been developed (for example, Japanese Patent Application Laid-Open No. 63-2194).
No. 8).

In this conventional method, RGB (red, red,
(Green, blue) The color pattern is expressed by three colors of the signal, and it is YMCB
k (yellow, magenta, cyan, black) is output as a hard copy represented by a dither pattern or the like. However, there is a problem that the hard copy obtained in this way often looks different from the actually woven fabric.

The present inventor has already proposed a surface pattern pattern creating apparatus capable of expressing the roundness and three-dimensional appearance of a yarn in order to output a hard copy with a representation close to that of an actual fabric (Japanese Patent Application No. Sho 63).
No. 158296). According to this device, there is a problem that the weave texture cannot be sufficiently expressed when the woven pattern is plain or the yarn color is a woven fabric of the same color, although the roundness and three-dimensional effect of the yarn can be expressed. .

Here, the term "between weaves" refers to the state of the color of the boundary between adjacent threads expressed by the weave, the color arrangement of the warp and the weft, the thickness (density) of the warp and the weft, and the like. For example, in the case of a plain woven fabric, the weave texture is more important than the roundness and three-dimensional appearance of the yarn, and the fabric is determined based on the weave texture.

The present inventor has already proposed a method of expressing such a texture feeling (Japanese Patent Application No. 1-167927). According to this, for example, for a woven fabric having a similar color of plain or adjacent yarns, by specifying the type of woven structure and the colors of the warp and weft yarns, a yarn-dyed dobby having a fine woven structure on the surface is provided. A surface pattern corresponding to the design of the fabric is obtained.

[Problems to be solved by the invention]

Since the above-described surface pattern pattern expression technology is based on the premise that one warp and the weft are the single colors, which are the basics of the yarn-dyed dobby fabric, the present inventor further proposes one warp We proposed an improved surface pattern pattern making device that can express the feeling of two colors of knitting yarn considering the weaving structure, density, and arrangement of twisted yarn (mocking yarn) in which weft yarns are twisted in two colors. (Japanese Patent Application No. 1-305803).

However, the technique described above still has a problem that the strength of twist of the yarn cannot be expressed.

SUMMARY OF THE INVENTION An object of the present invention is to provide a surface pattern pattern forming apparatus capable of expressing the strength of twist of a two-color twisted yarn by inputting the number of twists.

[Means for solving the problem]

In order to achieve the above object, in the present invention, the input means for inputting the texture of the fabric, the type of yarn to be used, and the color arrangement,
A surface pattern pattern creating apparatus comprising: means for creating a surface pattern pattern of a fabric based on the input information; and means for outputting the created surface pattern pattern, wherein the input warp and weft are provided. Means for dividing each into a plurality of regions, and for each of the divided regions, data representing the first color, the second color, the direction of twist, and the number of twists of the twist yarn constituting the warp and weft are generated. Means, means for calculating an angle representing the strength of twist based on the number of twists, and means for creating a color mask having the calculated angle, and logically operating the color mask and data of each of the regions Means for extracting the first and second colors to generate color data of the warp and weft, and outputting a surface pattern pattern representing the strength of twist of the twisted yarn using the generated color data. Characterized by having means

(Operation)

According to the menu on the work screen, the type of yarn to be used, the twist direction, the number of twists, the structure, and the color arrangement are input. The input yarn, twist direction, and number of twists are used to express the yarn. The twist angle is calculated from the number of twists, and a color mask having the angle is created. By performing logical operation on the color mask and the yarn expression data, a color is extracted, and the color is sent to a printer, thereby printing a surface pattern pattern expressing the strength of twist.

〔Example〕

Hereinafter, an embodiment of the present invention will be specifically described with reference to the drawings.

FIG. 1 is a block configuration diagram of a surface pattern pattern creating apparatus according to one embodiment of the present invention. In the figure, 1 is a control unit for performing simulation processing, color mask processing, etc., 2 is a CRT for a control unit for displaying a menu screen at the time of system startup, displaying an error message, etc., 3 is a CRT controller, a frame buffer, etc. A color CRT for displaying a work screen, a surface pattern, etc.
Reference numeral 5 denotes a print controller for performing dither processing, etc., reference numeral 6 denotes a color printer, reference numeral 7 denotes a keyboard, reference numeral 8 denotes a tablet for inputting tissue, color, etc., reference numeral 9 denotes a RAM for storing thread data, tissue data, and the like. The disk to be registered. The control unit 1 includes a simulation processing unit 11 and
A division processing unit 12 that divides the warp and the weft into a plurality of regions; a color and direction of the twisted yarn; A twist angle calculation unit 14 for calculating an angle, a color mask creation unit 15 for creating a color mask having a twist angle, and a logic for performing a logical operation on the color mask and thread expression data created by the color mask creation unit. Operation unit 16 and color data generation unit 17
It is composed of

FIG. 2 (a) is a processing flowchart of the surface design pattern creating apparatus of the present invention. Hereinafter, the present invention will be described in detail with reference to this flowchart.

Thread input (Step 21) In this step, the type of thread to be used, that is, whether the thread is a single-color twisted thread or a two-color twisted thread, is controlled using the tablet 8 in accordance with the menu on the work screen displayed on the color CRT4. Input to section 1. In the case of a two-color twisted yarn, the twist direction and the number of twists of the yarn are input by the keyboard 7 as described later.

Tissue Input (Step 22) Next, in accordance with the menu on the work screen displayed on the color CRT 4, information on ordering and lashing is input to the control unit 1 using the tablet 8 in order to specify the woven tissue. In the case of sequential insertion, the basic organization data is input, and in the case of the insertion, the basic organization and the insertion data are input. Describing the basic structure, FIGS. 3 (a) to 3 (c) are views showing some examples of a woven structure, and FIG.
(B) shows a twill weave and (c) shows a satin weave. The black line in the figure is the warp (warp), and the white line is the weft (weft). FIGS. 3 (d) to 3 (f) show plain weave, twill weave,
A part of the weaving structure of the satin weave is enlarged. For example, in the case of the plain weave, as shown in FIG. 3 (d), the unit is constituted by a basic structure in which warps and wefts are alternately arranged.

Arrangement input (step 23) Here, the density of warp and weft, that is, the number of yarns per inch, the arrangement of the colors of warp and weft, and the number of color units of warp and weft are input using the keyboard 7 and the tablet 8. Input to the control unit 1. FIG. 4 is a table showing an arrangement of colors displayed on the color CRT 4, and FIG. 4 exemplifies a warp arrangement table. The vertical axis indicates the color numbers (4821, 4911 ...) arranged from the top in the order in which the colors are output, and the numbers 1 to n on the horizontal axis indicate the position of the warp, and the numbers in the table are, for example, color The number 4821 means that six yarns (the number of monochromatic colors) of the No. 4821 are designated at the location 1.

Simulation (Step 24) In this step, a simulation is performed on the simulation processing unit 11 of the control unit 1 using the basic tissue data and the array data. At the time of executing the simulation, the simulation is performed while changing the basic organization, the array data, the display position on the CRT 4, the magnification for enlarged display, and the like. Then, provisional printing is performed to see the simulation result.

Color Processing for Printing (Step 25) When the simulation is completed, color processing for printing is performed as described later.

The processing described above is an outline of the processing of the present invention. The input of the twisted yarn and the color processing for printing, which are features of the present invention, will be described in more detail.

FIGS. 5 (a) and 5 (b) are diagrams modeling a twisted yarn in which one warp and a weft are composed of two colors. In the figure, the warp 51 is the first color 52 It is twisted by the yarn (hatched portion) and the yarn of the second color 53 (the same applies to the weft). The twisting direction is shown in FIG. 5 (a) for right-handed twisting, and FIG. 5 (b) for left-handed twisting, and twisted at a twist angle θ.

By the way, in the spun yarn, “the number of twists T of the yarn” represents the number of twists between 2.54 cm, and it is known that the yarn having a larger number of twists T is twisted more strongly. 5 (a) and 5 (b) are twisted three times and 4.5 times, respectively. Therefore, the relationship between the twist angle θ and the number of twists T of the yarn is approximately related by the following equation.

 tanθ ≒ 2.54 / T where the width s of the yarn is the unit width.

That is, the twist angle θ indicates the strength of the twist, and in the present invention, the strength of the twisted yarn can be indirectly expressed by inputting the number of twists T of the yarn.

As described above, in the present invention, in the case of a two-color twisted yarn, for each of the warp and the weft to be used, the constituent color, the twisting direction (right or left), and the number of twists of the yarn are input.

Color Processing for Printing of the Present Invention FIG. 2B is a flowchart showing the color processing of the present invention. The color processing of the present invention will be described in detail with reference to this flowchart. First, the number of warp threads and weft threads that can be printed according to the size of paper is set (step 25).
1).

Yarn division (step 252) In order to create a surface design pattern by the color printer 6, the yarn to be expressed is composed of a plurality of dots. FIG. 6 (a) is a surface view of a weaving structure composed of, for example, a warp A5 of interest, a warp A1,3,7,9 and a weft A2,4,6,8 around the warp A5 in a plain weave. . The warp A5 (referred to as an area) is divided into n (vertical) × m (horizontal) small areas a _ij by the division processing section 12, and each area corresponds to one dot of a color printer. . Other warps and wefts are similarly divided into a matrix.

Knot yarn expression (step 253) For each of the above-described regions, the knot yarn expression generation unit 13 uses the knot yarn based on the constituent yarn, the twist direction (right or left), and the number of twists. Generate expression data. FIG. 6 (b)
FIG. 4 is a representation (data) of a moku-yarn when the area is divided into 5 × 4 dots and the number of twists is two. In this representation, sections 61 and 62 in which the small area is composed of “1” are the first color of the two-colored moat thread, and section 63 in which the small area is composed of “0” is the second color. Is represented. Then, when expressing the texture as described above, the color of the boundary of the area A5 is determined in consideration of the color around the area A5. For example the color of the small region a ₁₁ region A5 may be as determined in accordance with an algorithm that takes into account the color of the A1, A2, A4 (Japanese Patent Application No. Hei 1-167927 described above).

Color Mask Process (Steps 254 to 257) This process is a process performed on the control unit 1 for extracting each color from the expression data of the mottled thread created as described above. That is, the twist angle calculating unit 14 calculates the twist angle θ from the previously input twist number T,
15 creates a first color mask (FIG. 7a) having this twist angle θ (step 254). In the logical operation unit 16,
An AND operation is performed between the first color mask and the expression data shown in FIG. 6B to extract the colors of the sections 61 and 62 (step 255). Next, similarly, a second color mask (FIG. 7b) is created, and a logical AND operation of the second color mask and the expression data of FIG. 6 (b) is performed to change the color of the section 63. Take out. The color data generation unit 17 performs a logical OR process on the first color and the second color thus extracted (step 256).
The color data and coordinate values of one line (M warp yarns or N weft yarns) are passed to the print controller 5 (step 25).
7).

By performing the above processing on each yarn, a surface pattern pattern of the woven fabric corresponding to the two-color twisted yarn can be obtained. Since the color expression method is different between the color display on the color CRT 4 and the hard copy by the color printer 6 (the RGB signal is used for the color CRT and the YMCBk is used for the color printer), the color display on the color CRT 4 and the color printer are performed in advance. 6 is set so as to correspond to a hard copy, and for example, an RGB signal is converted into a dither pattern or the like capable of expressing halftones and then output. By doing this,
The color determined in the design on the color CRT 4 can be matched with the color of the hard copy by the color printer 6 as a sample of the fabric.

〔The invention's effect〕

As described above, according to the present invention, when creating a surface pattern, the twist strength of two-color twisted yarn can be expressed by inputting the number of twists, which is inferior to an actual fabric sample. It is possible to create a surface design pattern without any.

[Brief description of the drawings]

FIG. 1 is a block diagram of a surface pattern forming apparatus according to one embodiment of the present invention, and FIGS. 2 (a) and 2 (b).
Fig. 3 is a processing flowchart of the surface pattern pattern creating apparatus of the present invention, Figs. 3 (a) to 3 (f) are views showing some examples of woven tissues, and Fig. 4 is displayed on a color CRT. Tables showing the arrangement of the selected colors, FIG. 5 (a), FIG. 5 (b)
FIG. 6 (a) is a diagram showing a model of a twisted yarn in which one warp and a weft are composed of two colors, FIG. 6 (a) is a surface view of the woven structure of the present invention, and FIG. FIG. 7 (a) and FIG. 7 (b) are views showing a color mask of the present invention, in which the area of the present invention is divided into 5 × 4 dots and the number of twists is 2, and FIG. is there. 1 ... Control unit, 2 ... CRT for control unit, 3 ... Color processing unit, 4 ... Color CRT, 5 ... Print controller, 6 ...
... Color printer, 7 ... Keyboard, 8 ... Tablet, 9 ... RAM, 10
...... Disk, 11 ... Simulation processing unit, 12 ... Division processing unit, 13 ... Moku thread expression generation unit, 14 ... Twist angle calculation unit, 15 ... Color mask generation unit, 16 ... Logic operation unit , 17 ... Color data generation unit.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) D03C 19/00 D03D 23/00

Claims (1)

(57) [Claims] 1. An input means for inputting a texture of a woven fabric, a type of a thread to be used, and a color arrangement, a means for creating a surface pattern pattern of the woven fabric based on the input information, and the created surface pattern pattern And a unit for dividing the input warp and weft into a plurality of regions, and for each of the divided regions,
Means for generating data representing the first color, the second color, the twist direction, and the number of twists of the twisted yarn constituting the warp and the weft;
Means for calculating an angle representing the strength of twist based on the number of twists, creating a color mask having the calculated angle, and performing the logical operation on the color mask and the data of each of the areas to perform the logical operation. 1. Means for taking out a second color and generating color data of the warp and weft, and means for outputting a surface pattern pattern representing the strength of twist of the twisted yarn using the generated color data A surface pattern pattern creating apparatus characterized by the following.