JP3124299B2 - Surface pattern pattern making equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface pattern pattern forming apparatus for a yarn-dyed dobby fabric, and more particularly to a surface pattern pattern forming apparatus capable of expressing the yarn count.

[0002]

2. Description of the Related Art Textiles are woven (orisoshiki).
There are many types of yarns, 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 furthermore, the feeling it receives is delicate, depending on the thickness of the yarn and the number of yarns per unit By the way, it has the property of being different. Therefore, in order to commercialize a new dyed dobby fabric, it is necessary to create a sample fabric for each design and check the quality of the design, which is not only time-consuming, but also burdens the cost. I was

[0003] In view of the above, a method of creating a surface pattern using a computer when designing a yarn-dyed dobby woven fabric has been developed (see, for example, JP-A-63-21948).

In this conventional method, first, a color pattern is represented on a color CRT by three colors of RGB (red, green, blue) signals, which are represented by YMCBk (yellow, magenta, cyan,
Black) is output as a hard copy expressed 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.

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

[0006] Here, the sense of weave texture means the state of the color at the boundary between adjacent yarns expressed by the weave texture, the color arrangement of warp and weft, and the thickness (density) of warp and weft. 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 weave texture (Japanese Patent Application No. 1-1679).
No. 27). According to this, for example, for a woven fabric of plain or adjacent yarns of the same color, by specifying the type of woven structure and the colors of warp and weft yarns, the yarn-dyed dobby having a fine woven structure on the surface A surface pattern corresponding to the design of the fabric is obtained.

[0008]

The above-mentioned techniques for expressing the surface pattern are all based on the premise that one warp and weft are of a single color, which is the basis of the yarn-dyed dobby fabric. The inventor has further improved the twisted yarn (moku yarn) in which one warp and weft yarns are twisted in two colors so that the texture of the two colors can be expressed in consideration of the weave structure, density and arrangement. (Japanese Patent Application No. 1-3058).
03). However, the technique described above still has a problem that the yarn count is not considered. An object of the present invention is to provide a surface pattern pattern creating device capable of expressing the yarn count.

[0009]

In order to achieve the above object, the present invention provides an input means for inputting the structure of a woven fabric, the type of yarn to be used, and a color arrangement, and a woven fabric based on information input by the input means. In a surface pattern pattern creating apparatus for a yarn-dyed dobby woven fabric comprising an arithmetic processing means for creating a surface pattern pattern of the type and a means for printing or displaying the surface pattern pattern by the arithmetic processing means, the yarn density and the yarn count Means for calculating an existing area, means for dividing the yarn into an area where a thread is present and an area on a white background according to the output of the means, and means for performing color processing on the area where the thread is present It is characterized by comprising.

[0010]

When the yarn density and the yarn count are input, the yarn expression calculation unit calculates the ratio of the yarn occupied from the input yarn density and yarn count. The division processing unit divides the yarn region into a region where the yarn exists and a white background region where the yarn does not exist, using the ratio occupied by the yarn calculated by the yarn expression calculation unit. The moku yarn expression generation unit generates the knit yarn expression data from the input color and direction of the yarn and calculates the color mask and the knot yarn expression data created by the color mask creation unit with the logical operation unit. By doing so, a color is extracted, and the color is transferred to a printer, thereby outputting a surface design pattern expressing the yarn count.

Therefore, according to the present invention, since the yarn count can be expressed, it is possible to obtain a surface pattern that is closer to the actual fabric.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a block diagram of an apparatus for creating a surface pattern pattern of a yarn-dyed dobby fabric according to one embodiment of the present invention. In the figure, 1 is a control unit for performing a simulation process, a color mask process, 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. 4, a color CRT for displaying a work screen, a surface design pattern, etc., 5 a print controller for performing dither processing, etc., 6 a color printer, 7
Is a keyboard, 8 is a tablet for inputting organization, color, etc.,
Reference numeral 9 denotes a RAM in which the density of a thread to be used, the density of a color printer, thread data, organization data, and the like are stored. Reference numeral 10 denotes a disk for registering a surface pattern.

The control unit 1 includes a simulation processing unit 11
And a thread expression calculating unit 12 for calculating the number of dots that can be represented, a used dither, and the number of repetitions, a division processing unit 13 for dividing a warp and a weft into a plurality of regions, and a color, a direction, and a twist number data of a twisted yarn. A knitting yarn expression generating unit 14 for generating knitting yarn expression data, a color mask creating unit 15 for creating a color mask,
It comprises a logical operation unit 16 for performing a logical operation on the color mask and the thread expression data created by the color mask creating unit, and a color data generating unit 17.

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

Selection of Printer (Step 21) In this step, the density M of the color printer to be used is determined.
(Dot / inch).

Thread input (step 22) In this step, the type of thread, that is, whether it is a single-color twisted thread or a two-color twisted thread, is determined by using the tablet 8 in accordance with the menu on the work screen displayed on the color CRT 4. Input to the control unit 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.

Tissue input (step 23) Next, in order to specify the woven tissue according to the menu on the work screen displayed on the color CRT 4, the order is entered.
The control unit 1 uses the tablet 8 to transmit information about the lashing.
To enter. In the case of order, enter basic organization data,
Enter the basic organization and how-to data for the garage. Describing the basic structure, FIGS. 5A to 5C are views showing some examples of a woven structure, FIG. 5A is a plain weave, and FIG.
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). FIG.
(D) to (f) are enlarged views of a part of the plain weave, twill weave and satin weave, respectively.
As shown in (d), the warp and the weft are arranged in units of a basic structure in which they are alternately arranged.

Array input (step 24) Here, the density n of the warp and weft to be used, that is, the number of yarns per inch, the arrangement of the colors of the warp and the weft, the number of the color units of the warp and the weft, and the number of the yarns The control unit 1 uses a yarn count, a keyboard 7 and a tablet 8, which are features of the present invention.
To enter. FIG. 6 is a diagram for explaining the relationship between the yarn thickness, the yarn count, and the density, where the thickness (diameter) of the yarn is d (inch),
Thread spacing is s (inches), thread count is N, thread density is n
(Book / inch), it is known that the following equation holds. s = 1 / nd = k / √N (k is a constant) Accordingly, the ratio of the area occupied by the yarn is d / s = k × n / √
N. Note that n / √N is called a cover factor.
In the present invention, inputting the count means expressing d / s, that is, forming a gap between the yarns. Conventionally, since the surface design pattern was created with the thread thickness d = the thread interval s, the count could not be expressed.

FIG. 7 is a table showing the arrangement of the colors displayed on the color CRT 4, and FIG. 7 shows an example of a warp arrangement table. The vertical axis represents the color numbers (4821, 4911...) Arranged from the top in the order in which the colors are output, and the numbers 1 to 1 on the horizontal axis.
m indicates the position of the warp yarn, and the number in the table indicates, for example, that the color number 4821 and the position 1 designate six threads of the color No. 4821 (the number of color units). Means.

Simulation (Step 25) In this step, a simulation is performed on the simulation processing section 11 of the control section 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 tissue, the array data, the display position on the CRT 4, the magnification for enlarged display, and the like. After the simulation, the printing process starts.

Thread Expression Processing (Step 26) This processing is performed by the yarn expression calculation unit 12 to express the yarn count, and will be described with reference to the flowchart of FIG. In step 261, the yarn interval s is calculated from the input yarn density n for the warp. Next, at step 262, the thickness d of the yarn is calculated from the yarn count N. Subsequently, in step 263, the ratio d / s occupied by the yarn is calculated. The same applies to the weft yarn. Further, the thread expression calculation unit 12 calculates the number of dots that can be represented, the dither used, and the number of repetitions from the density N (dots / inch) of the color printer to be used and the density M (lines / inch) of the thread to be used.

Color Processing for Printing (Step 27) FIG. 4 is a processing flowchart of the color processing. First, the number of warp threads and weft threads that can be printed is set according to the size of the paper (step 271).

Division of Thread (Step 272) In order to create a surface design pattern by the color printer 6, the expressed thread is composed of a plurality of dots. FIG. 8 shows the warp A5 of interest and the warp A1,3,7,9 and the weft A2 around the warp A5 in the plain weave structure in which the count is expressed, for example.
It is a surface view of the woven structure consisting of 4, 6, and 8. The number of representable dots obtained by the yarn expression calculation unit 12, the dither used,
Using the number of repetitions, the division processing unit 13 determines the warp A5
(Area) is divided into n (vertical) × m (horizontal) small areas aij
And each region is configured to correspond to one dot of the color printer. At the time of division in this way, using the d / s previously calculated by the yarn expression calculating unit 12, a region where the yarn exists by d / s from the left end of the warp A5 is defined as 1-d / s
Is a blank area (white background). Similarly, for the weft, the area where the yarn exists by d / s from the lower end of the warp A5 is defined as 1
Let −d / s be a blank area (white background). Thus, the count is accurately represented by the region where the yarn exists and the region where the yarn does not exist. In other words, a gap formed by weaving between yarns is expressed.

For each region except the white background described above, the moku-yarn expression generation unit 14 determines the color to be composed, the twist direction (right or left),
Based on the number of twists, the yarn representation data is generated. Further, 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 area A5 A1,
What is necessary is just to determine according to the algorithm which considered the color of A2 and A4.

Color Mask Processing (Steps 274 to 277) This processing is performed on the control unit 1 to extract each color from the expression data of the motif created as described above. That is, the color mask creation unit 15 creates a color mask (step 274), and the logical operation unit 16 performs a logical product operation of the color mask and the expression data to extract a color (step 275). The color data generation unit 17 performs a logical OR process on the colors extracted in this manner (step 27).
6) The color data and coordinate values for one line are passed to the print controller 5 (step 277).

By performing the above-described processing on each yarn, the surface pattern pattern of the fabric in which the count is expressed is printed out. 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 to correspond to a hard copy, and, for example, an RGB signal is converted into a dither pattern or the like capable of expressing a halftone, and then output.
In this manner, the color determined on the color CRT 4 and the color printer 6 serving as a sample of the fabric can be obtained.
Can be matched with the color of the hard copy.

In the above-described embodiment, the blank portion is a white background. However, the present invention is not limited to this, and it is possible to use a background of another color.

[0028]

As described above, according to the present invention, since the yarn count can be expressed, it is possible to obtain a surface pattern that is closer to the actual woven fabric.

[Brief description of the drawings]

FIG. 1 is a block diagram of an apparatus for creating a surface pattern pattern of a yarn-dyed dobby fabric according to one embodiment of the present invention.

FIG. 2 is a processing flowchart of the surface pattern pattern forming apparatus of the present invention.

FIG. 3 is a flowchart of a count expression process.

FIG. 4 is a processing flowchart of color processing.

FIG. 5A is a diagram showing a plain weave. (B) is a figure which shows a twill weave. (C) is a figure which shows a satin weave. (D) is the figure which expanded a part of plain weave structure | tissue. (E) is the figure which expanded a part of twill weave structure. (F) is the figure which expanded a part of weaving structure of the satin weave.

FIG. 6 is a diagram for explaining the relationship between yarn thickness, count, and density.

FIG. 7 is a table showing an arrangement of colors displayed on a color CRT.

FIG. 8 is a surface view of a plain weave structure in which the count is expressed.

[Explanation of symbols]

 Reference Signs List 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 thread expression calculation unit 13 division processing unit 14 Generation unit 15 Color mask generation unit 16 Logical operation unit 17 Color data generation unit

Claims (1)

(57) [Claims] 1. An input means for inputting a texture of a woven fabric, a type of yarn to be used, and a color arrangement, an arithmetic processing means for creating a surface pattern pattern of the woven fabric based on input information from the input means, and the arithmetic processing means In a surface pattern pattern creating apparatus for a yarn-dyed dobby woven fabric having a means for printing or displaying a surface pattern according to the means for calculating the area where the yarn is present from the density and count of the yarn, and according to the output of the means A surface pattern pattern creating apparatus, comprising: means for dividing the yarn into a region where the yarn is present and a white background region; and means for performing color processing on the region where the yarn is present.