CN103955319A - Method for adjusting writing and describing speed and smoothness of writing equipment - Google Patents
Method for adjusting writing and describing speed and smoothness of writing equipment Download PDFInfo
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- CN103955319A CN103955319A CN201410179298.7A CN201410179298A CN103955319A CN 103955319 A CN103955319 A CN 103955319A CN 201410179298 A CN201410179298 A CN 201410179298A CN 103955319 A CN103955319 A CN 103955319A
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Abstract
The invention provides a method for adjusting writing and describing speed and smoothness of writing equipment. The method comprises the following steps: firstly, a visual window is established, wherein a plurality of adjustable gears are arranged in the visual window, and each gear corresponds to an RC scale value in a filtering algorithm; secondly, after a user selects a gear in the visual window, the RC scale values corresponding to the gears are written into a configuration file, and a white board driver is informed to reallocate the RC scale values according to the configuration file; thirdly, the white board driver is used as the parameters of the filtering algorithm according to the RC scale values given by the user, written coordinates after filtering treatment are obtained, and the simulating operation of the coordinates is performed, so that the writing and describing speed and the smoothness of the writing equipment are adjusted. Through the adoption of the method, the writing and describing speed and the smoothness of the writing equipment can be freely adjusted according to the selecting operation of the user without changing codes when adjusting in the traditional method, and the work of writers is reduced.
Description
Technical field
The present invention relates to computer software technical field, relate in particular to a kind of apparatus for writing of adjusting and write the speed of describing and level and smooth method.
Background technology
Existing apparatus for writing there will be the rough effect of shake in the time writing.As the photoelectric pen in electronic whiteboard is write:
1. in the time using blank photoelectric pen to move onboard, blank driving can control computer mouse or touch point arrives corresponding position.
2. the coordinate conversion on blank is that coordinate on computer screen is shone upon to realize by coordinate by existing location algorithm (existing blank circle current techique algorithm), at this time because the resolution of blank hardware is larger.While being mapped to less computer screen, there will be coordinate to calculate the phenomenon that occurs shake in several pixels, thereby when causing white board writing, occur the rough effect of shake.
3. in order to optimize this problem, used a kind of filtering algorithm to revise this problem, the specified value of this filtering algorithm (RC filtering general-purpose algorithm) is higher, and the moving effect of debounce is more obvious, but relative writing speed will reduce.
But in traditional electronic whiteboard, to adjust the speed of describing with level and smooth, and the RC value that needs programming personnel to modify in filtering algorithm, each like this adjustment all will be carried out repetition modification, increased so undoubtedly programming personnel's work.
Present patent application file allows the user can be according to the demand of self, selects the ratio of level and smooth and filtering.
Summary of the invention
The technical problem to be solved in the present invention, be to provide a kind of apparatus for writing of adjusting to write the speed of describing and level and smooth method, can operate writing the speed of describing and smoothly carrying out free adjustment apparatus for writing according to user's selection, during without traditional will adjustment, need to revise code, reduce writer's work.
The present invention is achieved in that a kind of apparatus for writing of adjusting writes the speed of describing and level and smooth method, and described method comprises the steps:
Step 1, set up visual forms, in these visual forms, be provided with adjustable multiple gear, described each gear is corresponding to the RC ratio value in filtering algorithm, and described filtering algorithm is first-order lag filter method, be a given setting value RC, establish the value of RC in 0～1 scope; The result of once calculating is: current writing used coordinate=(1-RC) this sample coordinate of * filtering last time result coordinate+RC* producing;
Step 2, user select after a gear at visual forms, and RC ratio value corresponding gear is write to a configuration file, and notify blank driver to redistribute described RC ratio value according to configuration file;
Step 3, blank driver, according to the given RC ratio value of user, as the parameter of filtering algorithm, obtain the filtering coordinate after treatment of writing, then carry out the simulated operation of coordinate, write the speed of describing with level and smooth thereby adjust apparatus for writing.
Further, described step 3 is specially: user uses the coordinate producing to be made as device coordinate with apparatus for writing in blank operation, location algorithm by blank driver obtains screen coordinate, according to RC ratio value, device coordinate is carried out to filter correction by described filtering algorithm again, the operation of selecting according to user, device coordinate after screen coordinate and filter correction is carried out to the operation of analog subscriber, write the speed of describing with level and smooth thereby adjust apparatus for writing.
Tool of the present invention has the following advantages: the present invention is by setting up visual forms, in these visual forms, be provided with adjustable multiple gear, described each gear is corresponding to the RC ratio value in filtering algorithm, user selects after a gear at visual forms, RC ratio value corresponding gear is write to a configuration file, and notify blank driver to redistribute described RC ratio value according to configuration file, blank driver carries out corresponding operating according to the given RC ratio value of user, the present invention can operate writing the speed of describing and smoothly carrying out free adjustment apparatus for writing according to user's selection, during without traditional will adjustment, need to revise code, reduce writer's work.
Brief description of the drawings
Fig. 1 is the inventive method schematic flow sheet.
Fig. 2 is the visual forms schematic diagram that the present invention one implements.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, a kind of apparatus for writing of adjusting of the present invention is write the speed of describing and level and smooth method, and described method comprises the steps:
Step 1, set up visual forms, in these visual forms, be provided with adjustable multiple gear, as 10 gears in Fig. 2 (this gear can increase according to demand or reduce); Described each gear is corresponding to the RC ratio value in filtering algorithm (being the filtering algorithm of mentioning in background technology), and described filtering algorithm is first-order lag filter method, i.e. a given setting value RC, establishes the value of RC in 0～1 scope; The result of once calculating is: current writing used coordinate=(1-RC) this sample coordinate of * filtering last time result coordinate+RC* producing; Once be not difficult to find out from this formula analysis, RC is a ratio value, currently writes that to use the coordinate producing be getting according to this ratio value with this sample coordinate of the coordinate that used by the last time.
The method advantage is just that shake has good inhibiting effect to periodicity coordinate, and while being used on white board writing, the straight line of depicting with coordinate can be more level and smooth than what the straight line with this algorithm did not come.
The method shortcoming is just hysteresis quality, and sensitivity is low.The smooth effect obtaining just needs the ratio that filtering last time result coordinate accounts for will be high, and coordinate is more partial to last position, so just allows user produce the sensation of Speed Reduction.
In order to allow the user can be according to self-demand control writing effect, therefore we have made visual forms and allow user can control voluntarily deflection speed to be still partial to smoothly.
Step 2, user select after a gear at visual forms, and RC ratio value corresponding gear is write to a configuration file, and notify blank driver to redistribute described RC ratio value according to configuration file;
Step 3, blank driver, according to the given RC ratio value of user, as the parameter of filtering algorithm, obtain the filtering coordinate after treatment of writing, then carry out the simulated operation of coordinate, write the speed of describing with level and smooth thereby adjust apparatus for writing.
Wherein, described step 3 is specially: user uses the coordinate producing to be made as device coordinate with apparatus for writing in blank operation, location algorithm (existing blank circle current techique algorithm) by blank driver obtains screen coordinate (coordinate in computer resolution), according to RC ratio value, device coordinate is carried out to filter correction by described filtering algorithm again, the operation of selecting according to user, device coordinate after screen coordinate and filter correction is carried out to the operation of analog subscriber, and (simulated operation of mouse is carried out in this operation as be converted to the device coordinate of mouse device, the blank software that also can send to user to operate on coordinate, allow it realize the functions such as setting-out according to user's operation.), write the speed of describing with level and smooth thereby adjust apparatus for writing.
In a word, the present invention can be according to user's selection operation to the writing the speed of describing and smoothly carry out free adjustment of apparatus for writing, during without traditional will adjustment, need to revise code, reduced writer's work.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. adjust apparatus for writing and write the speed of describing and a level and smooth method, it is characterized in that, described method comprises the steps:
Step 1, set up visual forms, in these visual forms, be provided with adjustable multiple gear, described each gear is corresponding to the RC ratio value in filtering algorithm, and described filtering algorithm is first-order lag filter method, be a given setting value RC, establish the value of RC in 0～1 scope; The result of once calculating is: current writing used coordinate=(1-RC) this sample coordinate of * filtering last time result coordinate+RC* producing;
Step 2, user select after a gear at visual forms, and RC ratio value corresponding gear is write to a configuration file, and notify blank driver to redistribute described RC ratio value according to configuration file;
Step 3, blank driver, according to the given RC ratio value of user, as the parameter of filtering algorithm, obtain the filtering coordinate after treatment of writing, then carry out the simulated operation of coordinate, write the speed of describing with level and smooth thereby adjust apparatus for writing.
2. a kind of apparatus for writing of adjusting according to claim 1 is write the speed of describing and level and smooth method, it is characterized in that: described step 3 is specially: user uses the coordinate producing to be made as device coordinate with apparatus for writing in blank operation, location algorithm by blank driver obtains screen coordinate, according to RC ratio value, device coordinate is carried out to filter correction by described filtering algorithm again, the operation of selecting according to user, device coordinate after screen coordinate and filter correction is carried out to the operation of analog subscriber, write the speed of describing with level and smooth thereby adjust apparatus for writing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179298.7A CN103955319B (en) | 2014-04-30 | 2014-04-30 | Method for adjusting writing and describing speed and smoothness of writing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410179298.7A CN103955319B (en) | 2014-04-30 | 2014-04-30 | Method for adjusting writing and describing speed and smoothness of writing equipment |
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| CN103955319A true CN103955319A (en) | 2014-07-30 |
| CN103955319B CN103955319B (en) | 2017-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357473A (en) * | 2017-05-18 | 2017-11-17 | 华显光电技术（惠州）有限公司 | Capacitance plate touch-control adjustment method |
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- 2014-04-30 CN CN201410179298.7A patent/CN103955319B/en not_active Expired - Fee Related
Patent Citations (10)
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|---|---|---|---|---|
| US20050262451A1 (en) * | 2003-10-09 | 2005-11-24 | Jesse Remignanti | Graphical user interface for changing parameters |
| EP2631793A1 (en) * | 2008-04-08 | 2013-08-28 | IVECO S.p.A. | Method for generating a technical document of functional specifications of a control unit of a vehicle to be programmed while the control unit is programmed |
| CN101937290A (en) * | 2009-06-30 | 2011-01-05 | 原相科技股份有限公司 | Displacement detection system of an optical touch panel and method thereof |
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| CN107357473A (en) * | 2017-05-18 | 2017-11-17 | 华显光电技术（惠州）有限公司 | Capacitance plate touch-control adjustment method |
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Address after: 350000 6, No. 1 Innovation Park, No. 3 east science and technology road, Minhou street, Minhou, Fuzhou. Patentee after: RETURNSTAR INTERACTIVE TECHNOLOGY GROUP Co.,Ltd. Address before: 350000 8 tower building, Orange Garden Industrial Park, 618 Jinshan Road, Jianxin Town, Cangshan District, Fuzhou, Fujian. Patentee before: RETURNSTAR INTERACTIVE TECHNOLOGY GROUP Co.,Ltd. |
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