CN105740512B - A kind of CAD text point method of adjustment for tire-mold typesetting - Google Patents
A kind of CAD text point method of adjustment for tire-mold typesetting Download PDFInfo
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- CN105740512B CN105740512B CN201610045251.0A CN201610045251A CN105740512B CN 105740512 B CN105740512 B CN 105740512B CN 201610045251 A CN201610045251 A CN 201610045251A CN 105740512 B CN105740512 B CN 105740512B
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- G06F30/10—Geometric CAD
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Abstract
The present invention provides a kind of CAD text point methods of adjustment for tire-mold typesetting, typesetting method of the present invention, which can be realized, is moved to the target text batch on straight line on circular arc, the typesetting plug-in unit according to designed by this method, it can reduce designer's workload, typesetting accuracy is improved, typesetting efficiency is improved.
Description
Technical field
The present invention relates to the software package of the CAD designed based on tire-mold text typesetting tool more particularly to a kind of use
In the CAD text point method of adjustment of tire-mold typesetting.
Background technique
Tire-mold text G- Design has the selection of quite a few enterprise to complete in AutoCAD.Text on tire-mold
Word is arranged along circular arc, there is an Arc-Aligned Text function in the Express functional module of AutoCAD at present,
The function only can write a typesetting on a circular arc.In addition to this without other correlation functions set up type.Tire-mold
It is rearrangement design of modifying to customer drawings text that enterprise's text G- Design part, which more works, and designer carries out text
Word rearrange either text spacing adjustment when, using in AutoCAD Move order or Rotate order adjusted one by one.
Tire-mold text designs part, and the text arrangement of client is generally unsatisfactory for processing request, carries out rearranging design.If
Meter personnel can only use mobile Move instruction and rotation Rotate instruction in CAD to be adjusted one by one to text.Such behaviour
The problems such as making that design efficiency is very low, and hiatus or reverse character order be easy to appear due to artificial problem.Tire-mold is set
It is exactly to set up type that meter, which most repeats scissors and paste, is less susceptible to malfunction in the case where text quantity is few, but in a secondary mold text
Number of words up to 300 or more when, adjust the spacing between text one by one, constantly repeatedly same operation, low efficiency, accuracy rate
It can be reduced with designer's fatigue.Spacing after manual setting between character still has nuance, aesthetics by
It influences.
Summary of the invention
The technical problem to be solved in the present invention is to develop mono- new functional module of an AutoCAD, realizes entire row
The sequencing of text is set up type, and is mitigated the workload of designer, is improved the accuracy and efficiency of typesetting.The present invention provides a kind of use
In the CAD text point method of adjustment of tire-mold typesetting, including the following steps:
Step 1, interference figure layer is closed, target text is chosen and replicates and back up, each character basic point in target text is obtained and sits
Mark (x1i, y1i, z1i) and practical text spacing d1i, d1iCalculation formula are as follows: d1i=x1[i+1]min-x1imax, wherein i is character sequence
Number, x1imaxAnd x1[i+1]minThe maximum coordinate value among and min coordinates value that are each character lines boundary in X-axis；
Step 2, straight line is drawn along target text bottom, obtains a bit (x on straight linel, yl, zl)；
Step 3, parameter is inputted, minimum text spacing d is calculated2；
Step 4, target circular arc is chosen, the central coordinate of circle (x of target circular arc is obtainedc, yc, zc) and target arc radius r, with
The center of circle of target circular arc is that origin establishes polar coordinate system；
Step 5, the first insertion point is specified on target circular arc and obtains this coordinate (xc1, yc1, zc1), described first inserts
Access point is the basic point of the first character of target text, and the coordinate of first insertion point is converted to the pole in the polar coordinate system and is sat
Mark (r, θc1), the interval angles △ θ of each intercharacter in the polar coordinate system2iCalculation formula are as follows: △ θ2i=2*arctan (d1i/
2r), remaining each character basic point polar coordinates is calculated as (r, θ to circuit sequentially on the basis of the polar coordinates of the first insertion point2i)；
Step 6, each character for calculating target text is moved to the final coordinate (x after target circular arc2i, y2i, z2i), respectively
The calculation formula of coordinate value are as follows: x2i=xc+r*cosθ2i, y2i=yc+r*sinθ2i, z2i=zc=0, each character basic point is adjusted
To respective final coordinate, to complete the bulk location being moved to target text from straight line on target circular arc adjustment.
Further, the target text arranges in the horizontal direction originally, before the step 3 executes, along target text bottom
Draw straight line in portion；The step 2 picks up any point on the straight line and obtains this coordinate (xl, yl, zl), specify mesh
Mark the y in each character basic point coordinate of text1i=yl。
Further, it after the completion of the step 2, inputs parameter and minimum text spacing d is calculated2, the minimum text
Word space d2Refer to the minimum range between two neighboring character adjusted, the parameter include line width k, word depth h, draft angle λ,
Practical text spacing d1, the minimum text spacing d2Calculation formula are as follows: d2=d1i+k+2*h*tanλ；The step 5, in mesh
The first insertion point is specified on mark circular arc and obtains this coordinate (xc1, yc1, zc1), first insertion point is that target text is first
The coordinate of first insertion point is converted to polar coordinates (r, θ in the polar coordinate system by the basic point of characterc1), it is sat in the pole
Each character insertion position angle, θ in mark system2iCalculation formula are as follows: θ2i=2*arctan (d2i/ 2r), thus in the first insertion point
Polar coordinates on the basis of circuit sequentially calculate remaining each character basic point polar coordinates be (r, θ2i)；The step 6, calculates target
Each character of text is moved to the final coordinate (x after target circular arc2i, y2i, z2i), calculation formula are as follows: x2i=xc+r*cosθ2i,
y2i=yc+r*sinθ2i, z2i=zc=0, each character basic point is adjusted to respective final coordinate, thus complete by target text from
The bulk location adjustment being moved on straight line on target circular arc.
Further, the step 1 is first shut off interference figure layer, then chooses target text.
Further, the interference figure layer is the figure layer that can be interfered to character layer, including hidden layer and mark layer.
Further, filter condition is arranged to the target text of selection in the step 1, and the filter condition is text sample
Formula chooses the text of specific character pattern as target text according to the filter condition of setting.
Further, the specific character pattern includes lines text and entity text, and the entity text refers to internal tool
There is the tubular wire text of filling entity.
Further, the parameter of input includes tolerance clearance, and the tolerance clearance, which refers to, knows each lines in lines text
Not at the minimum spacing of a character.
Further, after being identified by tolerance clearance to character, adjusting each character color makes two neighboring character
Font color is not identical.
Further, the lines boundary extremum in each character is determined, whether identification two lines item is same character,
Determine formula are as follows: x1imax+ ε >=x1【i+1】min, wherein i indicates lines serial number, x1maxAnd x1minIt is each character lines boundary in X-axis
On maximum coordinate value among and min coordinates value；Meet and determine that formula is then identified as same character, is unsatisfactory for, is identified as different words
Symbol.
Further, retain straight line on target text as copy, while show adjustment before and adjust after two groups of targets
Text is checked for designer, and the copy is arranged and waits delete command, can be " empty by key entry after designer checks
Lattice " or " carriage return " can delete copy, the interference figure layer of last either on or off.To complete to be moved to target text from straight line
Bulk location adjustment on target circular arc.
Further, typesetting plug-in unit, the typesetting are arranged in AutoCAD based on the CAD word space method of adjustment
Plug-in unit is used for two-dimensional surface.
Typesetting method of the present invention, which can be realized, is moved to the target text batch on straight line on circular arc, according to this
Typesetting plug-in unit designed by method can reduce designer's workload, improve typesetting accuracy, improve typesetting efficiency.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is method flow schematic diagram of the invention；
Fig. 2 is the lines schematic diagram of three kinds of lines relationships in lines text；
Fig. 3 is the character exemplary diagram of three kinds of lines relationships in lines text；
Fig. 4 is that target text completes the exemplary diagram before adjustment；
Fig. 5 is the copy reserved state schematic diagram in operating process；
Fig. 6 is that target text completes exemplary diagram adjusted；
Fig. 7 is using the method for the present invention tire-mold exemplary diagram adjusted.
Specific embodiment
Please refer to Fig. 1, Fig. 4, Fig. 5 and Fig. 6, a kind of CAD text point method of adjustment for tire-mold typesetting can be with
Target text on straight line is moved on new circular arc by realization, and the CAD text point method of adjustment includes the following steps:
Step 1, system variable is modified, that is, closes interference figure layer, the interference figure layer is that can cause to do to character layer
The figure layer disturbed, including hidden layer and mark layer.
Step 2, filter condition is set, unwanted text style is filtered out, according to the filter condition of setting, is arranged specific
The text of text style can be used as target text.The specific character pattern includes lines text and entity text, the entity
Text refers to the internal tubular wire text with filling entity.
Step 3, the target text arranges in the horizontal direction, draws a horizontal linear, the water along target text bottom
Base position of the flat line close to target text bottom.
Step 4, it chooses filtered target text to replicate and back up, obtains each character basic point coordinate (x in target text1i,
y1i, z1i) and practical text spacing d1i, d1iCalculation formula are as follows: d1i=x1[i+1]min-x1imax, wherein i is character ordinal number, is taken
Value is the natural number of non-zero, x1imaxAnd x1【i+1】minFor maximum coordinate value among and min coordinates of each character lines boundary in X-axis
Value.
Step 5, tolerance clearance ε is inputted, the tolerance clearance, which refers to, is identified as a character for each lines in lines text
Minimum spacing, this judges whether several multi-section-lines are that the same character is used, and forms one sometimes in the case where single line word
It is not connected between the two lines of a letter, they can be separated as two characters when adjusting spacing, be needed in this case
To give a gap surplus, i.e. tolerance clearance.After being identified by tolerance clearance to character, adjust each character color make it is adjacent
The font color of two characters is not identical, can make the character of target text in red green alternate form to show recognized list
A character will be adjusted to same when if there is two characters, i.e. two character hypotelorisms less than tolerance clearance in target text
One color.This finds in time convenient for designer and adjusts the spacing of the two characters.As shown in Figures 2 and 3, single lines text
Lines include interval, intersect and surround these three situations, wherein 1 boundary extremum of lines be L1max、L1min, 2 boundary extremum of lines
For L2max、L2minIf tolerance clearance is ε, when the lines in target text meet any in following relationship, that is, it is identified as
One text:
(1) it is spaced: L2min+ε≥L1max
(2) intersect: L2min≥L1max
(3) it surrounds: L2min≥L1max
Lines boundary extremum in each character is determined, whether identification two lines item is same character, determines formula
Are as follows: x1imax+ ε >=x1[i+1]min, wherein i indicates that lines serial number, value are the natural number of non-zero, x1maxAnd x1minFor each character
Maximum coordinate value among and min coordinates value of the lines boundary in X-axis；Meet and determine that formula is then identified as same character, is unsatisfactory for then
It is identified as kinds of characters.
Step 6, it inputs parameter and calculates minimum text spacing d2, the minimum text spacing d2Refer to adjusted adjacent two
Minimum range between a character, the parameter include line width k, word depth h and draft angle λ, the minimum text spacing d2Meter
Calculate formula are as follows: d2=d1i+k+2*h*tanλ。
Step 7, it picks up any point on the straight line and obtains this coordinate (xl, yl, zl), specify each word of target text
Accord with the y in basic point coordinate1i=yl, make each character basic point so on the same line, guarantee after on character motion to circular arc, respectively
Character arrangements are neat.
Step 8, target circular arc is chosen, the central coordinate of circle (x of target circular arc is obtainedc, yc, zc) and target arc radius r, with
The center of circle of target circular arc is that origin establishes polar coordinate system.
Step 9, the first insertion point is specified on target circular arc and obtains this coordinate (xc1, yc1, zc1), described first inserts
Access point is the basic point of the first character of target text, and the coordinate of first insertion point is converted to the pole in the polar coordinate system and is sat
Mark (r, θc1), each character position angle, θ in the polar coordinate system2iCalculation formula are as follows: θ2i=2*arctan (d2i/ 2r), thus
Circuiting sequentially on the basis of the first insertion point and calculating remaining each character basic point polar coordinates is (r, θ2i)。
Step 10, each character for calculating target text is moved to the final coordinate (x after target circular arc2i, y2i, z2i), meter
Calculate formula are as follows: x2i=xc+r*cosθ2i, y2i=yc+r*sinθ2i, z2i=zc=0, each character basic point is adjusted to respectively final
Coordinate, retain straight line on target text as copy, while show adjustment before and adjust after two groups of target texts, for designer
Member checks, and the copy is arranged and waits delete command, can by key entry " space " or " carriage return " after designer checks
Delete copy, the interference figure layer of last either on or off.To complete that target text is moved on target circular arc from straight line
Bulk location adjustment.
As shown in fig. 7, using the method for the present invention tire-mold adjusted, not only character is clear, but also typesetting is beautiful.
" text " mentioned in the present invention refers to all characters that can be used for inputting character layer, including and is not limited to the Chinese
Word, letter, number, symbol etc..
Typesetting plug-in unit is devised in AutoCAD based on the CAD word space method of adjustment, the typesetting plug-in unit is used for
Two-dimensional surface typesetting design, and circular arc typesetting is set, the icon of spacing is adjusted to operate for designer.
Using above-mentioned typesetting plug-in unit in AutoCAD interactive interface specific steps are as follows:
Any point → selection target circle on click function icon → selection target text → input parameter → selection straight line
First insertion point → completion typesetting operation on arc → specified target circular arc.
In conclusion typesetting method of the present invention, which can be realized, is moved to circular arc for the target text batch on straight line
On, the typesetting plug-in unit according to designed by this method can reduce designer's workload, improve typesetting accuracy, improve typesetting effect
Rate.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out is used, or without changing
It is within the scope of the present invention into the conception and technical scheme of the invention are directly applied to other occasions.
Claims (9)
1. a kind of CAD text point method of adjustment for tire-mold typesetting, characterized in that it comprises the following steps:
Step 1, interference figure layer is closed, target text is arranged in the horizontal direction, it is straight to draw a level along target text bottom
Line, base position of the horizontal linear close to target text bottom；It chooses target text to replicate and back up, obtain in target text
Each character basic point coordinate (x1i, y1i, z1i) and practical text spacing d1i, d1iCalculation formula are as follows: d1i=x1[i+1]min-x1imax,
Middle i is character ordinal number, x1imaxAnd x1[i+1]minThe maximum coordinate value among and min coordinates value that are each character lines boundary in X-axis；
Step 2, straight line is drawn along target text bottom, obtains a bit (x on straight linel, yl, zl)；
Step 3, inter-character space tolerance ε is inputted, character recognition is carried out；Parameter is inputted, minimum text spacing d is calculated2；
Step 4, target circular arc is chosen, the central coordinate of circle (x of target circular arc is obtainedc, yc, zc) and target arc radius r, with target
The center of circle of circular arc is that origin establishes polar coordinate system；
Step 5, the first insertion point is specified on target circular arc and obtains this coordinate (xc1, yc1, zc1), first insertion point
For the basic point of the first character of target text, the coordinate of first insertion point is converted to the polar coordinates in the polar coordinate system
(r, θc1), the interval angles △ θ of each intercharacter in the polar coordinate system2iCalculation formula are as follows:Remaining each character base is calculated to circuit sequentially on the basis of the polar coordinates of the first insertion point
Point polar coordinates are (r, θ2i)；
Step 6, each character for calculating target text is moved to the final coordinate (x after target circular arc2i, y2i, z2i), each coordinate
The calculation formula of value are as follows:Each character basic point is adjusted
To respective final coordinate, to complete the bulk location being moved to target text from straight line on target circular arc adjustment.
2. the CAD text point method of adjustment according to claim 1 for tire-mold typesetting, which is characterized in that institute
Before stating step 3 execution, straight line is drawn along target text bottom；
The step 2 picks up any point on the straight line and obtains this coordinate (xl, yl, zl), specify each character of target text
Y in basic point coordinate1i=yl。
3. the CAD text point method of adjustment according to claim 1 for tire-mold typesetting, which is characterized in that
After the completion of the step 2, inputs parameter and minimum text spacing d is calculated2, the minimum text spacing d2Refer to adjustment
The minimum range between two neighboring character afterwards, the parameter include line width k, word depth h and draft angle λ, the minimum text
Spacing d2Calculation formula are as follows:
The step 5 specifies the first insertion point on target circular arc and obtains this coordinate (xc1, yc1, zc1), described first inserts
Access point is the basic point of the first character of target text, and the coordinate of first insertion point is converted to the pole in the polar coordinate system and is sat
Mark (r, θc1), each character insertion position angle, θ in the polar coordinate system2iCalculation formula are as follows:
Remaining each character basic point polar coordinates is calculated to circuit sequentially on the basis of the polar coordinates of the first insertion point as (r, θ2i)；
The step 6, each character for calculating target text are moved to the final coordinate (x after target circular arc2i, y2i, z2i), meter
Calculate formula are as follows:Each character basic point is adjusted to respective
Final coordinate, to complete the bulk location being moved to target text from straight line on target circular arc adjustment.
4. the CAD text point method of adjustment according to claim 1 or 2 or 3 for tire-mold typesetting, feature exist
In the interference figure layer is the figure layer that can be interfered to character layer, including hidden layer and mark layer.
5. the CAD text point method of adjustment according to claim 1 or 2 or 3 for tire-mold typesetting, feature exist
In filter condition is arranged to the target text of selection in the step 1, and the filter condition is text style, according to the mistake of setting
Filter condition chooses the text of specific character pattern as target text.
6. the CAD text point method of adjustment according to claim 5 for tire-mold typesetting, which is characterized in that institute
Stating specific character pattern includes lines text and entity text, and the entity text refers to the internal hollow lines with filling entity
Text.
7. the CAD text point method of adjustment according to claim 1 or 2 or 3 for tire-mold typesetting, feature exist
In, the step 6, after completing adjustment in batches, the interference figure layer of either on or off.
8. the CAD text point method of adjustment according to claim 1 for tire-mold typesetting, which is characterized in that institute
It states tolerance clearance and refers to the minimum spacing that each lines in lines text are identified as to a character.
9. the CAD text point method of adjustment according to claim 1 or 2 or 3 for tire-mold typesetting, feature exist
In, based on the CAD word space method of adjustment be arranged in AutoCAD typesetting plug-in unit, the typesetting plug-in unit for two dimension put down
Face.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110489775A (en) * | 2019-06-28 | 2019-11-22 | 中国水电顾问集团贵阳勘测设计研究院岩土工程有限公司 | A kind of cad Object selection method based on existing entity |
| CN111859490B (en) * | 2020-07-02 | 2023-08-08 | 中策橡胶集团股份有限公司 | Parameterized arrangement method for tire sidewall fonts |
| CN114676469A (en) * | 2022-01-28 | 2022-06-28 | 集美大学 | CAD oblique character spacing adjusting method for tire mold arc typesetting |
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| CN101038599A (en) * | 2006-03-16 | 2007-09-19 | 刘守奎 | Method for displaying name and distance of building axis line on computer screen |
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| CN1101141A (en) * | 1993-06-25 | 1995-04-05 | 欧姆龙株式会社 | Apparatus and method for adjusting space between character |
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| CN101968896A (en) * | 2010-10-20 | 2011-02-09 | 山东山大华天软件有限公司 | System and method for designing and processing characters for tire mold in three-dimensional CAD/CAM environment |
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