CN101436309B - Method and apparatus for modifying formula operator - Google Patents
Method and apparatus for modifying formula operator Download PDFInfo
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- CN101436309B CN101436309B CN200810239678XA CN200810239678A CN101436309B CN 101436309 B CN101436309 B CN 101436309B CN 200810239678X A CN200810239678X A CN 200810239678XA CN 200810239678 A CN200810239678 A CN 200810239678A CN 101436309 B CN101436309 B CN 101436309B
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Abstract
The invention relates to the field of typesetting technology, in particular to a method for modifying a formula operator and a device therefor, which is used to solve the problem that the current formula typesetting of the prior art does not support the modification of the formula operator. The method of the embodiment comprises the following steps: according to the corresponding relation between a formula operator and a display area, a first formula operator which needs to be modified is determined; according to the corresponding relation between the pre-established formula operator and a formula operator set, the formula operator set corresponding to the first formula operator is determined and the determined formula operator set is displayed; and after a user selects a second formula operator from the determined formula operator set, the first formula operator is replaced by the second formula operator. The method of the embodiment can support the modification of the formula operator in the typesetting process, thereby reducing the complexity and time for modifying theformula operator and improving the user experience and the typesetting efficiency.
Description
Technical field
The present invention relates to typesetting system field, particularly a kind of method and apparatus of revising formula operator.
Background technology
In typesetting system field, the interactive operation of formula is an extremely important and practical technology, and a kind of well mutual design not only can strengthen the composing effect of formula, can also accelerate the efficient of setting type, and reduces composing difficulty and workload.
Present software for composing does not support the modification to formula operator when formula is set type.If the user wants formula operator is made amendment, such as the replacement formula operational symbol, then the user need revise the data of formula operation attached middle school together.
Want straight score line is replaced to oblique score line such as the user, then must delete formula (promptly this operational symbol and its with data must delete together), and then re-enter new operational symbol.
In the type-setting domain, formula must be deleted at present, re-enter the formula that needs then if want to revise formula operator.
In sum, in formula is set type, do not support modification at present, thereby increased the complexity and the time of revising formula operator, reduced user experience formula operator.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of revising formula operator, in order to solve exist in the prior art in formula is set type, do not support problem to the modification of formula operator.
A kind of method of revising formula operator that the embodiment of the invention provides comprises:
According to the corresponding relation of formula operator and viewing area, need to determine first formula operator of modification;
According to the corresponding relation of formula operator of setting up in advance and formula operator set, determine the formula operator set of the described first formula operator correspondence, and show the described formula operator set of determining;
The user chooses second formula operator from the described formula operator set of determining after, described first formula operator is replaced with the described second formula operator method comprises:
A kind of device of revising formula operator that the embodiment of the invention provides comprises:
The operational symbol determination module is used for the corresponding relation according to formula operator and viewing area, need to determine first formula operator of modification;
The set determination module is used for the corresponding relation according to formula operator of setting up in advance and formula operator set, determines the formula operator set of the described first formula operator correspondence;
First display module is used to show definite described formula operator set;
Replace module, be used for after the user chooses second formula operator from the described formula operator set of determining, described first formula operator being replaced with described second formula operator.
The embodiment of the invention need to determine first formula operator of modification according to the corresponding relation of formula operator and viewing area; According to the corresponding relation of formula operator of setting up in advance and formula operator set, determine the formula operator set of the described first formula operator correspondence, and show the described formula operator set of determining; The user chooses second formula operator from the described formula operator set of determining after, described first formula operator is replaced with described second formula operator.Owing to support modification, thereby reduced the complexity and the time of revising formula operator, improved user experience and composing efficient to formula operator.
Description of drawings
Fig. 1 is UML (the Unified Modeling Language unified modeling language) synoptic diagram of embodiment of the invention composing mathematics, physics and chemistry formula data structure;
Fig. 2 is the UML synoptic diagram of the data structure of embodiment of the invention mathematics, physics and chemistry formula;
Fig. 3 is an embodiment of the invention formula
Tree structure figure;
Fig. 4 revises the UML synoptic diagram of mathematics, physics and chemistry formula data structure for the embodiment of the invention;
Fig. 5 revises the apparatus structure synoptic diagram of formula operator for the embodiment of the invention;
Fig. 6 A is an embodiment of the invention viewing area synoptic diagram one;
Fig. 6 B is an embodiment of the invention viewing area synoptic diagram one.
Claims (10)
1. a method of revising formula operator is characterized in that, this method comprises:
According to the corresponding relation of formula operator and viewing area, need to determine first formula operator of modification;
According to the corresponding relation of formula operator of setting up in advance and formula operator set, determine the formula operator set of the described first formula operator correspondence, and show the described formula operator set of determining;
The user chooses second formula operator from the described formula operator set of determining after, described first formula operator is replaced with described second formula operator.
2. the method for claim 1 is characterized in that, described definite first formula operator that needs to revise comprises:
According to the corresponding relation of formula operator and viewing area, with the formula operator of the residing viewing area of pointer correspondence as first formula operator.
3. method as claimed in claim 2, it is characterized in that, when being the coincidence zone of at least two formula operator corresponding display in the residing viewing area of pointer, determine the priority of described at least two formula operators, the formula operator that priority is the highest is as first formula operator.
4. the method for claim 1 is characterized in that, described described first formula operator is replaced with also comprises after described second formula operator:
Show the attribute information set of predefined formula operator correspondence;
According to the attribute information of selecting in the ensemble of communication of user's dependency, revise the current attribute information of described second formula operator.
5. method as claimed in claim 4 is characterized in that, described attribute information set comprises:
One or more in the set of color set and line thickness.
6. a device of revising formula operator is characterized in that, this device comprises:
The operational symbol determination module is used for the corresponding relation according to formula operator and viewing area, need to determine first formula operator of modification;
The set determination module is used for the corresponding relation according to formula operator of setting up in advance and formula operator set, determines the formula operator set of the described first formula operator correspondence;
First display module is used to show definite described formula operator set;
Replace module, be used for after the user chooses second formula operator from the described formula operator set of determining, described first formula operator being replaced with described second formula operator.
7. device as claimed in claim 6 is characterized in that, described operational symbol determination module specifically is used for:
According to the corresponding relation of formula operator and viewing area, with the formula operator of the residing viewing area of pointer correspondence as first formula operator.
8. device as claimed in claim 7 is characterized in that, described operational symbol determination module is used for:
When being the coincidence zone of at least two formula operator corresponding display in the residing viewing area of pointer, determine the priority of described at least two formula operators, the formula operator that priority is the highest is as first formula operator.
9. device as claimed in claim 6 is characterized in that, the device of described modification formula operator also comprises:
Second display module is used for after described replacement module replaces with described second formula operator with described first formula operator, shows the attribute information set of predefined formula operator correspondence;
Modified module is used for the attribute information that ensemble of communication is selected according to user's dependency, revises the current attribute information of described second formula operator.
10. device as claimed in claim 9 is characterized in that, described attribute information set comprises:
One or more in the set of color set and line thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810239678XA CN101436309B (en) | 2008-12-15 | 2008-12-15 | Method and apparatus for modifying formula operator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810239678XA CN101436309B (en) | 2008-12-15 | 2008-12-15 | Method and apparatus for modifying formula operator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101436309A CN101436309A (en) | 2009-05-20 |
| CN101436309B true CN101436309B (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200810239678XA Expired - Fee Related CN101436309B (en) | 2008-12-15 | 2008-12-15 | Method and apparatus for modifying formula operator |
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| CN (1) | CN101436309B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033863B (en) * | 2009-09-30 | 2012-07-04 | 北大方正集团有限公司 | Formula manipulation method and system |
| JP2015060459A (en) * | 2013-09-19 | 2015-03-30 | カシオ計算機株式会社 | Mathematical expression display control device and program |
| CN104572577B (en) * | 2014-12-17 | 2018-09-04 | 百度在线网络技术（北京）有限公司 | Mathematical formulae processing method and processing device |
| JP7287417B2 (en) * | 2020-09-16 | 2023-06-06 | カシオ計算機株式会社 | Information processing method, system, information processing device and program |
| CN116324748A (en) * | 2020-09-16 | 2023-06-23 | 卡西欧计算机株式会社 | Information processing method, system, information processing device, and program |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392978A (en) * | 2000-08-24 | 2003-01-22 | 泽姆普莱克斯有限公司 | Method of graphically defining formula |
| CN101237465A (en) * | 2007-01-30 | 2008-08-06 | 中国科学院声学研究所 | A webpage context extraction method based on quick Fourier conversion |
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2008
- 2008-12-15 CN CN200810239678XA patent/CN101436309B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392978A (en) * | 2000-08-24 | 2003-01-22 | 泽姆普莱克斯有限公司 | Method of graphically defining formula |
| CN101237465A (en) * | 2007-01-30 | 2008-08-06 | 中国科学院声学研究所 | A webpage context extraction method based on quick Fourier conversion |
Non-Patent Citations (2)
| Title |
|---|
| 史广顺等.数学公式图像的机构理解与重现.《智能系统学报》.2008,第3卷(第5期),401-407. * |
| 文和平.数学公式的计算机表达.《现代教育技术》.2003,第13卷(第2期),67-70. * |
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| CN101436309A (en) | 2009-05-20 |
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