The two-sided beautiful preparation method of digital jacquard
Technical field
The present invention relates to silk weaving as scape technological development field, relate in particular to the two-sided beautiful preparation method of a kind of digital jacquard.
Background technology
Existing picture-weaving in silk is technical, changed and originally can only produce the silk weaving of single face as the scape handicraft picture, even adopt the stevengraph of a kind of brand-new picture scape structure that under the help of Computer Automatic Recognition system, constitutes, a kind of preparation method of colour brocade is disclosed as Chinese invention patent (publication number is CN1297072), step is: (1) card is made: target image is read in computer enter scanning imaging system, adjust and modify scan image, all colors are returned the color scheme that is divided into some kinds of mixing colors compositions, input card tissue; (2) loom is prepared: look silk that will described some kinds of colors is made warp with part look silk wherein, and all the other look silks are made the parallel kind, carry out warping, quilling, and adjustment knitting technology parameter; (3) looming weaving: made card is placed loom, start loom and weave colour brocade.This law can weave the vivid colour brocade of image, but this also is confined to the product that there are complete pattern, rich color, level exquisiteness in the front, and its silk weaving then can't be done to decorate as the back side of scape and be used.
China's utility model patent (publication number is CN2136255) discloses a kind of three-dimensional double-faced embroidery, and it is to embroider separately in the front of two-layer base cloth to embroider line to blame, and corresponding site is superimposed, bonding between the reverse side, adds frame after clamping with glass and forms.Compare with traditional double-faced embroidery product, have the tangible innervation and the sense of reality.But this utility model is manual operations fully to be finished, and can't realize large-scale industrial production.
China's utility model patent (publication number is CN2578355) discloses a kind of two-sided picture-weaving in silk jacquard fabric, have warp and parallel, it is characterized in that: described fabric is a double-decker, the front is with 20 pieces of warps, the serial institutional framework I of 10 pieces of braidings of parallel, the back side is with 20 pieces of warps equally, the serial institutional framework II of 10 pieces of braidings of parallel, series institutional framework I and serial institutional framework II all have the Changing Pattern of strengthening gradually through interlacing point along the weft direction work, just, pass through the part warp between the back side, interweaving mutually of parallel is combined into one Facad structure and structure.The utility model can be used for the two-sided brocade craft product of real silk, and two-sided decoration weaving face fabric is as two-sided Curtains Fabrics etc.But this utility model can't show picture, level, texture and the style of writing of positive and negative effectively simultaneously, and third dimension, sophistication and the sense of reality all can't reach degree very true to nature.Simultaneously, the also unexposed concrete preparation method of this utility model.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the purpose of this invention is to provide a kind of weaving density height, can make level, texture and the style of writing of picture reservation original work, the two-sided beautiful preparation method of all impeccable digital jacquard of third dimension, sophistication and the sense of reality.
In order to realize above-mentioned goal of the invention, the present invention adopts following technical scheme.
The two-sided beautiful preparation method of a kind of digital jacquard, this method comprises the steps:
(1) the beautiful handicraft picture image of positive and negative any two width of cloth jacquard weaves is scanned respectively, change into the rgb image of computer approval, then rgb image is converted to the HSL space from rgb space;
(2) according to the color of pattern, select the warp of set particular color, the Spot Channel of parallel, picture breakdown is become the some kinds of multichannel monochrome images of color, form the color separation original text;
(3) adjust bright, the blindstory time distribution of image frame, and, above-mentioned color separation original text is carried out the color merger, set up the Yarn color tissue bank of the fabric structure of embroidery and manual embroidery according to colored chromatogram and some kinds of colors of technological requirement setting;
(4) according to embroidery fabric tissue structure, automatically information extraction from color tissue bank, the skill of handling needles according to embroidery or manual embroidery, design specific fabric tissue, the some color combination that form after the color separation are become corresponding color gray scale, by the Electronic card data of the positive and negative sided web of the corresponding automatically generation of computer particular organization;
(5) intertwined point of above-mentioned positive and negative sided web Electronic card data is added up;
(6) the braided structure design of utilization Jacquard technology shuttle joint meets the knot at random that increases progressively simultaneously through, broadwise and connects tissue, and determines knot contact position by computer software;
(7) will tie the contact position and carry out pattern and change, corresponding Yarn color tissue bank is integrated the back and is formed final Electronic card data, and is input to loom control system, and start weaves that to make described digital jacquard two-sided beautiful.
As preferably, carry out positive and negative sided web effect simulation in step (6) back, the effective step (7) that then continues, weak effect then forwards step (6) to.
As preferably, the image of step (1) formation is carried out the PaintShop processing of specialty, image is carried out cutting, remove the variegated point on the picture.
That the two-sided beautiful front of digital jacquard of the present invention and the back side all have is complete, independently pattern and color, it draws materials very extensive, various oil paintings, watercolor painting and all kinds of picture of oneself liking all can become the leading role of product, can in existing digital picture-weaving in silk is drawn, appoint and get two width of cloth and make positive and negative pattern, collocation and selection design are weaved arbitrarily, adopt silk embroidery, random stitch embroidery, common various styles such as beautiful, show the artistic conception and the charm of original work, satisfy consumer's individual demand.Concrete effect of the present invention is as follows:
(1) being modern digital color separation and jacquard weave technology knits utilization and development in the design at the fabric line, has tamped the line of emulation multicolour pattern and has knitted color separation technology and institutional framework series.
(2) the digital silk weaving of utilization jacquard double-sided beautiful as scape and the technological development of jacquard weave silk embroidery, that its front and back all has is complete, independently pattern and color, and the positive simultaneously size of data with back side pattern color, flower type can be chosen wantonly.
(3) abandon conventional thinking fully in traditional silk weaving design, make two-sided fill in colors on a sketch separately to change surmount tissue variation and become possibility.
(4) adopt a kind of method for drafting that transforms based on color space, the rgb space of image is converted into HSL (colourity, saturation degree, the brightness) space of corresponding color;
(5), respectively the front-back two-sided longitude and latitude tissue covering relation ratio that interweaves is judged by computer self and added up in conjunction with computer automatic color separation merger principle.
(6) successfully with colorimetry, organize line to knit that, textile material are learned, silk craft is learned, handle to learn and organically combine through compiling, graphics and image, on the basis of original jacquard weave silk embroidery achievement in research, silk weaving and Jacquard technology are combined together.
(7) any two width of cloth are not suited shape, different color and not the silk weaving of suspension number as scape or jacquard weave silk embroidery works, the braided structure of utilization Jacquard technology shuttle joint is set up specific and is met the knot at random that increases progressively simultaneously through broadwise and connects tissue bank, in conjunction with special digital technology, disposablely in weaving, finish.
Description of drawings
Fig. 1 is the general structure schematic diagram of the two-sided beautiful design of digital jacquard of the present invention.
The specific embodiment
As shown in Figure 1, in this example, 5 inches photochrome with two different pictures is made into 30 centimetres of fabric widths respectively, the beautiful handicraft picture of high 42 centimetres color double-face.Warp (cream-coloured) 3600 used in the design of this handicraft picture, is (1/20/22D * 2) 6.8T/cm mulberry silk, and totally 17934 in parallel (being respectively bright red, middle Huang, acid blue, bud green, dark blue, black, white) is the mulberry silk of 2/20/22D.Its concrete operations step is as follows:
1, two photochromes will waiting the system of turning over scan with scanner respectively, and form preview image respectively in computer;
2, respectively to the image in the computer, carry out parameter setting and adjustment according to making needs, scanning accuracy is being adjusted under the situation of 300dpi, the picture element of one (front) warp-wise is 3543, and the picture element of its broadwise is 4961, and the picture element of its two (reverse side) warp-wise is 3543, the picture element of its broadwise is 4961, and readjust scanning color lightness, and carry out formal scanning imagery, image is converted to the HSL space from rgb space;
3, this two width of cloth image that respectively scanning is formed, PaintShop by specialties such as HWCAD, PhotoShop, CorelDraw is handled, mainly be that the image that scanning forms is carried out cutting, one is adjusted into 1800 * 4074 pixel dot matrix, it two is adjusted into 1800 * 2037 pixel dot matrix, guarantee the quality of image, also will remove the variegated point on the picture;
4, respectively this two width of cloth image is carried out color separation, above-mentioned picture breakdown is become the some kinds of multichannel monochrome images of color, in this example, form the color separation original text of bright red, middle Huang, acid blue, bud green, dark blue, black, white respectively;
5, adjust bright, the blindstory time distribution of this two width of cloth picture respectively, and, successively above-mentioned color separation original text is carried out the color merger according to colored chromatogram;
6, according to rough sketch, color and the technological requirement of every width of cloth image, with the corresponding respective organization of above 7 width of cloth color separation original texts difference, and the latitude that carries out single image respectively counts merger, and one (front) is 1800 * 10760 pixel dot matrix, and its two (reverse side) is 1800 * 7174 picture element specification;
7, set up the Yarn color tissue bank of the fabric structure of embroidery;
8, according to the skill of handling needles of embroidery, design respective organization respectively,,, generate the Electronic card data of corresponding fabric tissue respectively automatically by computer in conjunction with the combination of color gray scale with the color combination that forms behind the image color segmentation;
9,, respectively it is detected the orientation and the number of longitude and latitude intertwined point by computer according to above-mentioned two parts of Electronic card data;
10, by testing result of last step, braided structure (five skill of handling needles) design of utilization Jacquard technology shuttle joint meets the knot at random that increases progressively simultaneously through, broadwise and connects tissue, and adds knot contact position by what JCAD software was determined positive and negative two groups of Electronic card data;
11, carry out positive and negative sided web effect simulation, effective then continuation, weak effect then carries out Jacquard technology shuttle joint again and arranges;
12, the knot contact position that will integrate is carried out pattern and is changed, and corresponding Yarn color tissue bank is integrated the back and formed final Electronic card;
13, with above-mentioned Electronic card, press the order of fuchsin, middle Huang, acid blue, light green, dark blue, black, white, be arranged in order, (be bright red 1, middle yellow 1, acid blue 1, bud green 1, dark blue 1, black 1, white 1; Bright red 2, middle yellow 2, acid blue 2, bud green 2, dark blue 2, black 2, white 2; ) the Electronic card order that sets and corresponding colo(u)r streak picking order be consistent;
14, the card and the relevant parameter that make are preserved, be transferred to loom control system, use when weaving for the electronic jacquard loom by network;
15, settle warp and parallel on the loom, totally 18240 of warps, for cream-coloured, arrange setting by per 120.12 centimetres of roots, parallel uses bright red, middle Huang, acid blue, bud green, dark blue, black, 7 kinds of colo(u)r streaks of white, the Electronic card sequence consensus of picking order and corresponding look, weft density is set at every centimetre 50 * 7 groups;
16, by the loom control system control electronic jacquard loom of preserving the card parameter, start loom, just can weave desired colored jacquard weave fabric with two-sided effect.