CN103729472A - Creation method and application of brocade color tissue bank - Google Patents
Creation method and application of brocade color tissue bank Download PDFInfo
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Abstract
The invention discloses a creation method and the application of a brocade color tissue bank. The creation method comprises the following steps: determining the yarn colors and the warp and weft density of four warps and three wefts; establishing a color model; naming the tissues corresponding to each yarn structure and color arrangement; determining the color values of the named tissues; creating a color tissue bank and the like. According to the creation method, according to a mathematical model, all tissue color values of the class of tissues are obtained directly, the tissue color bank is established, and the time and the cost consumed by all textile samples are saved, and the tissue bank is applied to automatic brocade. The color values obtained by the mathematical model of the method have the characteristics that the color values change uniformly and stably; an accurate color model can be established for the color bank generated by the color values so as to judge the color gamut which can be covered by the expressions of color phase, chroma, brightness and the like of the class of tissues and that whether the requirements on weaving expressions can be met or not, and directly determine the development feasibility of the tissues.
Description
Technical field
The invention belongs to digital intelligent textile technology field, especially belong to digital intelligent weaving color tissue bank and picture-weaving in silk line version manufacture technology field, particularly a kind of creation method and application thereof of picture-weaving in silk color tissue bank.
Background technology
The tissue of tradition picture-weaving in silk design is laid, and is first by ready-made, to organize the actual sample of knitting to arrange by color sequences, during woven design, by designer's Comparing patterns and tissue sample color, determines the correspondence tissue of this pattern color.Tradition Brocade Weaving card processed is very long with the phase, difficulty is very large, dull coloring, monochromatic one-tenth piece, waste time and energy, and man's activity is large, and the color contrast relation of selected each tissue is difficult to accurately show the change color relation of pattern.Face especially the exquisiteness of people to artwork performance, abundantly have a more and more higher requirement, classic method meet in product demand more and more difficult.
For the limitation of traditional design method, in colleague, started to do at present and attempted improving, the R&D Approach in this field mainly can divide two classes at present:
A kind of take Zhejiang University's longitude and latitude as representative, its mode is to carry out cat scanner with the sample of knitting of ready-made tissue, by scan image analyzing and processing, obtains the digital color value (as rgb value) of this tissue color, and institute processes through this in a organized way, can form a set of look storehouse of organizing.During woven design, by the digital color value of contrast patterns color and tissue color in computer, calculate the two difference and compare, be just easy to find out the tissue that approaches pattern color most from tissue bank.
Another kind is to change mainly for satin weave the research and development of doing.First it count certain class satin weave to divide equally by variation, obtains the theoretical color value of each change point.As certain 12 pieces of satin, warp adopts white, with single red parallel, does 1-2-3.....-12 point variation, and its rgb value can be 255,255, and 255 to 255,0, directly by 12 sections, divide equally, obtain the RGB theoretical value of each change point for 0.During actual design pattern Processing, first definite this pattern is weaved parallel color used, as adopt red, yellow, blue, black four, then adopt professional software that image is split as to red, yellow, blue, black four monochromatic patterns, similar printing color separation principle, four achromatic sheets all overlap, and original image can be showed completely again.With the theoretical color value of gained above, respectively each achromatic sheet is determined and organized and generate line version.Finally, by a synthetic four independent line versions stria terminalis version, just realized the design of this image.
The above-mentioned method of setting up color libraries with tissue scanning, must all knit sample as prerequisite to organize, large-scale bust brocade is weaved, during design, need easily thousands of look storehouse colors to quantity up to ten thousand for choosing, with the method, setting up look storehouse wastes time and energy, and cost is high, and produces while weaving and must keep and the identical colo(u)r streak of sample tissue and process conditions, once because the reasons such as colo(u)r streak dyeing replacing change, will there is deviation in the look storehouse of organizing used.
The another kind of method of doing color separation amalgamation that changes with satin weave, due to institutional framework restriction, the tissue that can utilize and the scope of application are also quite limited.
Summary of the invention
The present invention discloses a kind of creation method and application thereof of picture-weaving in silk color tissue bank according to prior art deficiency.The problem to be solved in the present invention is to provide a kind of color that is applicable to computer control digitizing loom application and organizes base establishing method, and the present invention also provides a kind of method of applying color tissue bank and carrying out Electronic card making.
The present invention is achieved through the following technical solutions:
The creation method of picture-weaving in silk color tissue bank, described picture-weaving in silk is four through three latitude weaving structures, it is characterized in that:
Comprise: determine four woven line colors through three latitudes and thread count; Set up colour model; To the correspondence tissue name of every kind of knitting structure and color alignment; Determine the color value of name tissue; Create color tissue bank.
Described determine four woven line colors through three latitudes and thread count be determine look through put in order for: 1. red, 2. green, 3. yellow, 4. blue; Parallel put in order into: 1. black, 2. in vain, 3. white; And according to weaving process and performance accuracy requirement, take built loom as basis, set the thread count that designed tissue is used.
The described colour model of setting up is: take fabric tissue surface layer structure that warp and weft is appeared as foundation, and the share while representing its blend color according to Grassmann's law computation organization structure surface layer orthograph area occupied of all kinds;
Calculating formula is as follows:
Es=(S1,S2,Sa,Sb,S0)
If: λ=1/Ar, E=Es × Ec, by the i.e. theoretical RGB colour of organized whole for this reason of the array value of λ × E gained;
Wherein, Ar is total share, and S1 is warp X1 share, and S2 is warp X2 share, and Sa is parallel YA share, and Sb is parallel YB share, and S0 is space K share;
The color rgb value of each silk thread, if the R of warp X1, G, B value representation are R1, G1, B1; R, the G of parallel YA, B value representation are Ra, Ga, and Ba, other is analogized;
Es represents the matrix of each blend color share, and Ec represents the matrix of each color rgb value.
The name of the described correspondence tissue to every kind of knitting structure and color alignment is through three latitudes, to knit every kind of structure of line and the correspondence tissue of color alignment is named by four, and determines according to colour model the color value that name is organized.
Described establishment color tissue bank is through three latitudes, to knit every kind of structure of line and the name of the tissue of color alignment creates color tissue bank with corresponding color value with four.
Picture-weaving in silk application based on above-mentioned digitizing color tissue bank, is characterized in that:
Comprise: set up digitizing color tissue bank, picture-weaving in silk image is carried out to color index, the color table color of image index and color tissue bank are compared, select the organization name of immediate tissue color in color tissue bank, picture-weaving in silk image after index is imported to weaving CAD software, selected organization name is inserted successively to the organization configurations table of weaving CAD software, and by weaving CAD Software Create Electronic card file, for looming weaving.
Described picture-weaving in silk image is carried out to color index is that picture-weaving in silk image Adobephotoshop software is carried out to color index, obtains the color table of index bitmap.
Described color index and color tissue bank are compared, select immediate tissue color index and be R, the G, the B value that read successively each color in the color table that color index obtains and write Excel document, list operation, each color value in color table is carried out to the calculating of color value error with the color value of color tissue bank respectively, select the tissue color of color value error minimum as the tissue color index in picture-weaving in silk color of image table.
Helpfulness of the present invention: adopt the creation method of picture-weaving in silk color tissue bank of the present invention at new picture-weaving in silk organization development Qualify Phase, according to mathematical model of the computer, can directly obtain this histioid whole tissue color values, set up and organize look storehouse, save all spent time of sample and costs knitted.The look storehouse relatively obtaining by Sample Scan value, due to actual silk thread color, weave the uncertainty impact of many situations such as situation, scanner, there is labile factor in database.And this histioid look storehouse being obtained by mathematical model has the advantages such as basic stability, universal applicability.Because having colour, the gained color value of mathematical model changes even, stable feature, to the look storehouse of its generation, can set up color model form accurately, thereby judge that such is organized in the performances such as form and aspect, chroma, lightness, can the colour gamut that can cover and meet and weave performance requirement, directly determine the feasibility of this organization development.
Modern picture-weaving in silk will develop the outdoor scene photo to there being rich colors etc. and make the technology of high emulation performance, if organize the mode in look storehouse to realize to set up, need easily containing the look storehouse of tissues up to ten thousand selective, can desirable these images of performance.To the so huge number of organizing, if obtain this difficulty to the utmost of color value with scan mode, in addition as above-mentioned a large amount of uncertain factors, more cannot set up the stable look storehouse of performance.And by mathematical model of the computer of the present invention, be just easy to overcome the above problems, thereby make the high emulation performance of rich colors image become possibility;
Gained of the present invention is organized the features such as look storehouse is stable owing to having, universal applicability, and its result data has archives reserve value, can not lose practicality because the conditions such as colo(u)r streak color, production environment change.
Mathematical model of the present invention is by organizing surface layer structure to take the area dividing method of orthograph, by the structural expression situation refining of fabric tissue complexity; To the fabric tissue as non-luminophor, utilize the additive color mixed formulation of Grassmann's law with rgb space, by its complicated color performance refining, it is the refinement simulation to organized whole's solid colour, with additive color colour mixture formula, realizing easily tissue color value calculates, make its result break away from the disturbing factors such as light source colour, ambient color, become and reflect the color value of organizing essential color characteristic.Particularly pass through repetition test and theoretical proof, finally to organize the performance of the unstable regions such as colo(u)r streak close-packed arrays, rejecting gap, shade, form the mathematical model of perfect condition, make this invention can conveniently be widely used in the tissue color simulation under various actual production weaving conditions, there is real production application and be worth.
Accompanying drawing explanation
Fig. 1 is surface layer silk thread structural representation;
Fig. 2 is surface layer silk thread orthograph;
Fig. 3 is the simplified structure schematic diagram of surface layer colo(u)r streak orthograph;
Fig. 4 is the orthogonal projection schematic diagram of unit area surface layer model;
Fig. 5 is the inventive method application schematic diagram;
Fig. 6 is the comparison of HSV S value curve;
Fig. 7 is the comparison of HSV V value curve;
Fig. 8 is transition structure PWJ3 surface layer pilotaxitic texture schematic diagram;
Fig. 9 is transition structure PWJ21 surface layer pilotaxitic texture schematic diagram.
Embodiment
Below by embodiment, the present invention is specifically described; the present embodiment is only for being further detailed the present invention; but can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art makes according to the content of the invention described above and adjustment also belong to the scope of protection of the invention.
The establishment of picture-weaving in silk color tissue bank
The present invention take four through three latitude Sichuan brocade weaving technologies as example.
One, determine four silk thread color and thread counts through three latitudes.
According to weaving process and performance accuracy requirement; take built loom as basis; set the thread count that designed tissue is used; so-called weaving process and performance precision refer to the image definition requirement of weaving Sichuan brocade; conventionally also relevant with loom characteristic; under the condition allowing, better to show precision as best.The present invention determines that thread count is respectively, through close: 120, filling density: 60, warp fiber number: 75D, parallel fiber number: 75D.Look through put in order for: 1. red, 2. green, 3. yellow, 4. blue; Parallel put in order into: 1. black, 2. in vain, 3. white.
Two,, according to the institutional framework of longitude and latitude silk thread and color alignment, set up color mathematical model.
Institutional framework as shown in Figure 4, determine that surface layer silk thread color is respectively: warp X1 is red; Warp X2, indigo plant; Parallel YA is black; Parallel YB is white.In this structure, other silk thread of all kinds is interwoven in bottom, does not find expression in schematic diagram.In Fig. 3, X1, X2 represent respectively left and right two warps, and φ 1, φ 2 represent that respectively two through line width, and L1, L2 represent that respectively two through line length; YA, YB represent respectively two parallels, and φ a, φ b represent respectively two parallel width, and La, Lb represent respectively two parallel length.
First, determine the square measure of sample analysis.The principle of the square measure of getting, the surface layer structure of the complete embodiment tissue of palpus forms, and should adopt the integral multiple of its structure circulation is unit.According to actual warp and weft arranging density, first determine period.This example through close be 120 pieces/centimetre (every centimetre of warp numbers 120), 60 pieces/centimetre of filling densities.By above fixed four looks through three barry dyeings through bright and beautiful structure type, can learn every centimetre of warp and weft radical of all kinds of its surface layer, warp is 120/4=30 root; Parallel 60/3=20 root.Consider that now warp and weft is arranged closely, getting 1mm × 1mm is square measure, can obtain the orthograph of unit area surface layer model as shown in Figure 4, and surface layer consists of look warp X1, X2 and barry dyeing line YA, YB.
Shown in Fig. 4, portion while simulating its blend color with area occupied of all kinds, can obtain wherein total area Ar, warp X1 area S1, warp X2 area S1, parallel YA area Sa, parallel YB area Sb.The color rgb value of each silk thread, as R1, G1, B1 can be expressed as R, G, the B value of warp X1; Ra, Ga, Ba can be expressed as R, G, the B value of parallel YA, and other is analogized.In calculating formula, the object of each symbol representative is referring to Fig. 3.
Represent the matrix Es of each blend color share, the matrix Ec of each color rgb value is as follows:
Es=(S1,S2,Sa,Sb)
By Fig. 4, can obtain each variable-value:
S1=φ1×L1×6=(1/6)×(1/4)×6=0.25
S2=φ2×L2×6=(1/6)×(1/4)×6=0.25
Sa=φa×La×6=(1/4)×(1/6)×6=0.25
Sb=φb×Lb×6=(1/4)×(1/6)×6=0.25
Es=(0.25,0.25,0.25,0.25)
Total area Ar can think herein:
Ar=1 × 1=1 or
According to blend of colors theoretical foundation, can simulate the color RGB theoretical value of each colo(u)r streak herein:
If: λ=1/Ar E=EsEc is
λE=1/1×(127.5,63.75,127.5)=(127.5,63.75,127.5)
Each number rounds off and rounds, and the theoretical RGB colour that gets final product get Ci organized whole is:
R?128?G?64?B?128
With mathematical expression variable above the substitution of different colo(u)r streak color value, can obtain the organized color RGB theoretical value of this structural series.
For the color color of the color mixture of longitude and latitude silk thread, its essence is mixed stack look.It finally can be summarized as to the mixing stack of coloured light primary colors " red, green, blue " (R, G, B).If it is carried out to color value simulation with numeral, multiple look A1 in theory, A2, A3 ... the blend color value of An, can according to of all kinds in stack portion M1, M2, M3 ... Mn, obtains R, the G of its color mixture, the theoretical value of B is:
R=(RA1×M1+RA2×M2+RA3×M3+……+RAn×Mn)/(M1+M2+M3+……+Mn)
Be more than the calculating of red (R) value, other G, B value are calculated in like manner.Wherein, " R " is the mixing resultant value of red (R), and " RA1 " is the R value of color A1, and " M1 " is color A1 portion in entirety is mixed, and other is analogized.
Through the tissue of weft fabric, in a lot of situations, can be divided into the double-layer structure of surface layer and bottom.Generally, the expression of its tissue color, is mainly determined by the silk thread blend color of surface layer, in the situation that surface layer silk thread density is very large, can ignore the impact of bottom silk thread color.Based on establishing color mixture theory above, can specifically determine organize look calculate theoretical model as depicted in figs. 1 and 2: Fig. 1 surface layer silk thread structural representation, Fig. 2 surface layer silk thread orthograph.
The structural representation of the plain weave surface layer that as shown in the figure, in figure, look is made into through X1, X2 and barry dyeing YA, YB.As shown in Figure 1, the color of its fabric tissue general performance should consist of several some factors: shade J and the reflection at the solid colour of light source colour, warp X1, X2, the solid colour of parallel YA, YB, space K color and longitude and latitude overlapped place.Because the sensitive surface of space K bottom itself is little and very faint, what therefore shadow region was accepted is reflective, substantially by true qualities and the light source of surface layer silk thread, is determined.To sum up, in reality, when calculating simulate fabric organized whole true qualities, can take the area dividing method with its frontal plane of projection, add up each silk thread color portion in entirety is mixed.The present invention can be reduced to Fig. 3 by the model of Fig. 2.Fig. 3 is the simplified structure signal of surface layer colo(u)r streak orthograph.
In Fig. 3 orthograph, the true qualities of warp X1 area occupied in synthetic is: φ 1 × L1, and wherein φ 1 is the width of warp 1 cross section projection, L1 is the length that warp 1 exposes.Other is analogized.
Determine that surface layer silk thread color is respectively: warp X1 is red; Warp X2, indigo plant; Parallel YA is black; Parallel YB is white.In this structure, other silk thread of all kinds is interwoven in bottom, does not find expression in schematic diagram.In Fig. 3, X1, X2 represent respectively left and right two warps, and φ 1, φ 2 represent that respectively two through line width, and L1, L2 represent that respectively two through line length; YA, YB represent respectively two parallels, and φ a, φ b represent respectively two parallel width, and La, Lb represent respectively two parallel length.
Three, the correspondence tissue of every kind of silk thread structure and color alignment is carried out to numeral name.
Take four colour developing of the one through three latitude tissues types as example, according to the each warp of unit area, appear the quantity of counting herein, be divided into 1-26 level colour developing transition.And according to set thread count, set and organize the surface layer warp and weft quantity being risen all in 2.For example: warp is the red 1. serial transition tissue of black formation of parallel that adds 1.; Warp is the red 1. serial transition tissue of black 2. white formation of parallel that adds 1.; Warp is the red 2. green 1. serial transition tissue of black formation of parallel that adds 1.; Warp is the red 2. green 1. serial transition tissue of black 2. white formation of parallel that adds 1., etc.
Card Design of the present invention adopts Zhejiang University's longitude and latitude specialty fabric pattern design software, and its desired standard organization name must be 8 character strings with interior numeral and character composition, and first place must the beginning take letter " P " as symbol.Again for ease of with other serial tissue division, this types of tissue institute standard organization name second is unified with character " N ", all the other 6 tab characters as the each tissue of this series.Wherein, each warp and weft is denoted as following table 1 successively by symbol:
After each parallel tag, one-bit digital indicates the floating long progression of warp, as organization name: " PN1A0 ", " P " is regulation symbol, and " N " unifies tag for this types of tissue, and " 1 " representative color is through red line, " A " represents parallel black line, " 1A " represents that red warp " 1 " and black parallel " A " interweave at surface layer, and " 0 " is illustrated in the 1-26 level colour developing transition of warp, and the grade of demonstration quantity is the 1st grade, and (numeral is larger, represent warp show count more), by that analogy.
This programme warp comprises 1-26 level colour developing transition, only with unit numbers 0-9, can not express completely, at this, with the variation of the corresponding parallel symbol before this numeral, expresses the difference of colour developing transition grade on tens.The for example tissue " PN1A0 " of precedent, if this organizes warp, colour developing is the 11st grade, this tissue is by name: " PN1D0 ".Following table 2 is respectively the each parallel tag of corresponding warp in each tens colour developing grade respectively: table 2
? | Individual position | Ten | 20 |
Black | A | D | G |
White 1 | B | E | H |
White 2 | C | F | I |
Get arbitrary tissue " PN1A34H1 ", from aforementioned naming rule, this tissue is interweaved at surface layer with parallel black " A ", white " B " by warp red " 1 ", blue " 4 ", and all the other warp and weft are hidden.Red " 1 " interweaves at surface layer with the 4th grade of colour developing transition structure with black " A ", and red " 1 " is covered by parallel white " B "; Blue " 4 ", with white " B " to interweave at surface layer with the 22nd grade of colour developing transition structure, blue " 4 " are covered by parallel black " A ".
Four, by the calculated with mathematical model color value (being rgb value) of numeral name tissue.
From getting altogether the color value of 10 tissues between different chromatic zoneses, its calculated value and the actual scintigram color value of knitting sample, be converted to H, S, V(form and aspect, purity, lightness) value list is compared as follows table 1:
Color rgb value conversion HSV value formula is as follows:
υ=max
In above formula, max, min represent respectively the minimum and maximum value in rgb value three.
Fig. 6 and Fig. 7 explanation: in figure, block curve is the theoretical color value numerical value line that calculates, and dashed curve is scanning color value numerical value line, and the coordinate longitudinal axis is S or V value, and transverse axis is for organizing sequence number.
By H value comparison sheet, theory and scanning color H difference are in ± 1, and theoretical calculating color and fabric scanning look form and aspect are very identical.Because scanner has the impacts such as strengthening or weakens to scan image lightness and purity, therefore in coordinate system, observe serial color S, V value change curve, from Fig. 6 and Fig. 7, S, V value change curve form are consistent, and it is consistent that purity, the lightness that its serial color is described changes contrast rule.The theoretical color value of fabric tissue and the color of knitting sample scanning have high consistency.
Five, by silk thread and color alignment combination, obtain a large amount of different tissues, calculate its corresponding color value (being R G B value).Create band color value tissue bank, i.e. color tissue bank, selects look for design.
As Part III, describe the organization type title series of setting up, get equally tissue " PN1A34H1 ", this organizes red " 1 " and black " A " to interweave at surface layer with the PWJ3 of transition structure shown in Fig. 8, and red " 1 " is covered by parallel white " B "; Blue " 4 " interweave at surface layer with the PWJ21 of transition structure shown in Fig. 9 with white " B ", and blue " 4 " are covered by parallel black " A ".
According to Part I, describe set weft density and aligning method, every 1mm × 1mm areal extent, comprises warp and weft quantity and is: 12 of warps, 6, parallel.Its middle longitude take 1. red, 2. green, 3. yellow, 4. indigo plant is as one group, comprising group number is 12 ÷ 4=3 groups; Parallel with 1. black, 2. in vain, 3. Bai Weiyi group, comprising group number is 6 ÷ 3=2 groups.
In conjunction with the described foundation of title " 2 " above, organize the method for color mathematical model, herein surface layer adopt PWJ3 and PWJ21(comprise all PWJ0-PWJ25) transition structure, be similar 40 × 40 pieces and change structure, take 40mm × 20mm as unit area, comprise 3 complete surface layer Weaving Cycles.Get 40mm × 20mm=800mm
2for unit area, with the area of projecting plane shown in Fig. 3, cut apart statistical method, in unit area, each warp and weft respectively area occupied is:
Warp " 1 " area S1=50mm
2
Warp " 4 " area S4=140mm
2
Parallel " A " area Sa=350mm
2
Parallel " B " area Sb=260mm
2
Setting each warp and weft color value is respectively:
Warp " 1 " (255,0,0)
Warp " 4 " (0,0,200)
Parallel " A " (0,0,0)
Parallel " B " (255,255,255)
Formula shown in substitution title " 2 ":
The array of colo(u)r streak area: Es=(50,140,350,260)
The array of colo(u)r streak color value:
EsEc=(79050,66300,94300) is every divided by the total area 800, round:
Theory of organization color value RGB(99,83,118)
In actual program is calculated, because this series tissue adopts similar 40 × 40 pieces to change transition, therefore equal model like this, the different warp and weft areas of substitution and color value variable, can generate the serial color calculated value of organizing.Built this serial tissue bank that altogether comprises 12936 looks that erects of this present invention at present.According to the inventive method, can also set up other four serial tissue bank type through three latitudes, ultimate principle is similarly.
Picture-weaving in silk application based on the above-mentioned digitizing color of the present invention tissue bank,
Comprise: set up digitizing color tissue bank, picture-weaving in silk image is carried out to color index, the color table color of image index and color tissue bank are compared, select the organization name of immediate tissue color in color tissue bank, picture-weaving in silk image after index is imported to weaving CAD software, selected organization name is inserted successively to the organization configurations table of weaving CAD software, and by weaving CAD Software Create Electronic card file, for looming weaving.
It is that picture-weaving in silk image Adobe photoshop software is carried out to color index that picture-weaving in silk image is carried out to color index, obtains the color table of index bitmap.
Color index and color tissue bank are compared, select immediate tissue color index and be R, the G, the B value that read successively each color in the color table that color index obtains and write Excel document, list operation, each color value in color table is carried out to the calculating of color value error with the color value of color tissue bank respectively, select the tissue color of color value error minimum as the tissue color index in picture-weaving in silk color of image table.
The picture-weaving in silk method of example as shown in Figure 5, in figure, image is the image that need to carry out picture-weaving in silk.First complete the color tissue bank of organization type as database, deposit the tables of data of Microsoft Office Excel document in.
The image that will design carries out color index with Adobe photoshop software to the image of design, obtain the color table of index bitmap, read successively the R of each color in color table, G, B value writes Excel document, pass through list operation, in color table, each color is carried out color error calculating with the color of color tissue bank respectively, select the tissue color of color error minimum as the color in color table, in color table, this color is just weaved by the corresponding weave of the tissue color of color error minimum when weaving, the tissue that completes all colours in corresponding color table is chosen.
By Adobe photoshop software image after treatment, imported weaving CAD software and designed.The above-mentioned tissue color value of choosing from the tissue bank of 12936 looks and organization name are shown by Excel list, by selected organization name according to corresponding color, insert successively the organization configurations table of weaving CAD software, continue by weaving CAD Software Create Electronic card file, for looming weaving.
Claims (8)
1. a creation method for picture-weaving in silk color tissue bank, described picture-weaving in silk is four through three latitude weaving structures, it is characterized in that:
Comprise: determine four woven line colors through three latitudes and thread count; Set up colour model; To the correspondence tissue name of every kind of knitting structure and color alignment; Determine the color value of name tissue; Create color tissue bank.
2. the creation method of picture-weaving in silk color tissue bank according to claim 1, is characterized in that: described determine four woven line colors through three latitudes and thread count be determine look through put in order for: 1. red, 2. green, 3. yellow, 4. blue; Parallel put in order into: 1. black, 2. in vain, 3. white; And according to weaving process and performance accuracy requirement, take built loom as basis, set the thread count that designed tissue is used.
3. the creation method of picture-weaving in silk color tissue bank according to claim 2, is characterized in that: the described colour model of setting up is:
Take fabric tissue surface layer structure that warp and weft is appeared as foundation, the share while representing its blend color according to Grassmann's law computation organization structure surface layer orthograph area occupied of all kinds;
Calculating formula is as follows:
Es=(S1,S2,Sa,Sb,S0)
If: λ=1/Ar, E=Es × Ec, by the i.e. theoretical RGB colour of organized whole for this reason of the array value of λ × E gained;
Wherein, Ar is total share, and S1 is warp X1 share, and S2 is warp X2 share, and Sa is parallel YA share, and Sb is parallel YB share, and S0 is space K share;
The color rgb value of each silk thread, if the R of warp X1, G, B value representation are R1, G1, B1; R, the G of parallel YA, B value representation are Ra, Ga, and Ba, other is analogized;
Es represents the matrix of each blend color share, and Ec represents the matrix of each color rgb value.
4. the creation method of picture-weaving in silk color tissue bank according to claim 3, it is characterized in that: the name of the described correspondence tissue to every kind of knitting structure and color alignment is through three latitudes, to knit every kind of structure of line and the correspondence tissue of color alignment is named by four, and determines according to colour model the color value that name is organized.
5. the creation method of picture-weaving in silk color tissue bank according to claim 4, is characterized in that: described establishment color tissue bank is through three latitudes, to knit every kind of structure of line and the name of the tissue of color alignment creates color tissue bank with corresponding color value with four.
6. the application of the picture-weaving in silk based on digitizing color tissue bank, is characterized in that:
Comprise: set up digitizing color tissue bank, picture-weaving in silk image is carried out to color index, the color table color of image index and color tissue bank are compared, select the organization name of immediate tissue color in color tissue bank, picture-weaving in silk image after index is imported to weaving CAD software, selected organization name is inserted successively to the organization configurations table of weaving CAD software, and by weaving CAD Software Create Electronic card file, for looming weaving.
7. the picture-weaving in silk based on digitizing color tissue bank according to claim 6 application, is characterized in that: described picture-weaving in silk image is carried out to color index is that picture-weaving in silk image Adobe photoshop software is carried out to color index, obtains the color table of index bitmap.
8. the application of the picture-weaving in silk based on digitizing color tissue bank according to claim 7, it is characterized in that: described color index and color tissue bank are compared, select immediate tissue color index and be R, the G, the B value that read successively each color in the color table that color index obtains and write Excel document, list operation, each color value in color table is carried out to the calculating of color value error with the color value of color tissue bank respectively, select the tissue color of color value error minimum as the tissue color index in picture-weaving in silk color of image table.
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CN108153973A (en) * | 2017-12-12 | 2018-06-12 | 吉首大学张家界学院 | " Tujia " picture weaving in silk pattern pel analysis method |
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