CN104346125A - On-screen area display method and device - Google Patents
On-screen area display method and device Download PDFInfo
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- CN104346125A CN104346125A CN201410524826.8A CN201410524826A CN104346125A CN 104346125 A CN104346125 A CN 104346125A CN 201410524826 A CN201410524826 A CN 201410524826A CN 104346125 A CN104346125 A CN 104346125A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
Abstract
The invention relates to the field of on-screen area display and in particular relates to an on-screen area display method and device. The method comprises the following steps: S101, dividing a display area in a same screen into a writing area and a display area; S102, receiving a writing track by the writing area obtained in the step S101, and displaying the track in the display area obtained in the step S101 through panning and zooming matrix transformation in 2D matrix transformation. By dividing the display area in the same screen into the writing area and the display area and displaying the track received by the writing area in the display area through panning and zooming transformation matrixes in 2D transformation matrixes, the on-screen area display effect is achieved, a teaching staff cannot block the written content in a writing process, students can see the written content and extract useful information while the teaching staff does writing, and the waste of teaching time is avoided.
Description
Technical field
The present invention relates to display field, same screen with partitioned, especially a kind of method of same screen with partitioned display and device.
Background technology
In contemporary middle and primary schools, and even in the teaching process of colleges and universities, electronic whiteboard is more and more universal, is day by day becoming daily indispensable educational aid, but in the process using blank, often there are some problems, such as:
1, blank is too high, and faculty's height is limited, so the upper area of blank cannot normally be used;
2, in faculty's writing process, often block the content of writing, take passages useful information until write after complete student just can see the content of writing, often cause the waste on instructional blocks of time.
The importance of E-learning is well-known, therefore, addresses these problems very urgent.
Summary of the invention
Technical matters to be solved by this invention is: the method and the device that provide a kind of same screen with partitioned display, realize showing in same screen partition, make full use of viewing area.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A method for same screen with partitioned display, comprising:
S101, same on-screen display (osd) area is divided into and writes district and viewing area;
The district of writing of S102, step S101 gained receives the track write, by the matrixing of the Pan and Zoom in 2D matrixing, by the viewing area of described track display in step S101 gained.
Another technical scheme that the present invention adopts is:
A device for same screen with partitioned display, comprising: arrange module, the first receiver module, matrixing module and display module;
Described module being set, writing district and viewing area for being divided into by same on-screen display (osd) area;
Described first receiver module, receives for writing district the track write;
Described matrixing module, carries out matrixing for the handwriting trace received by the first receiver module by the Pan and Zoom matrixing in 2D matrixing;
Described first display module, for being presented at viewing area by matrixing module gained.
Beneficial effect of the present invention is: write district and viewing area by being divided into by same on-screen display (osd) area, to handwriting trace that district receives be write after the Pan and Zoom transformation matrix in 2D transformation matrix, be presented on viewing area, realize showing in same screen partition, in faculty's writing process, can not block the content of writing, student can see while faculty writes that the content of writing can take passages useful information simultaneously, avoids the waste caused on instructional blocks of time.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method that the same screen with partitioned in the specific embodiment of the invention shows;
Fig. 2 is the structural representation of the device that the same screen with partitioned in the specific embodiment of the invention shows;
Fig. 3 is the schematic diagram of subregion up and down in the specific embodiment of the invention;
Fig. 4 is the left and right subregion schematic diagram in the specific embodiment of the invention;
Label declaration:
10, module is set; 20, the first receiver module; 30, matrixing module; 40, display module.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: write district and viewing area by being divided into by same on-screen display (osd) area, to handwriting trace that district receives be write after the Pan and Zoom transformation matrix in 2D transformation matrix, be presented on viewing area, realize showing in same screen partition.
Please refer to Fig. 1, is the process flow diagram of the method for the same screen with partitioned display in the specific embodiment of the invention, specific as follows:
A method for same screen with partitioned display, comprising:
S101, same on-screen display (osd) area is divided into and writes district and viewing area;
The district of writing of S102, step S101 gained receives the track write, by the matrixing of the Pan and Zoom in 2D matrixing, by the viewing area of described track display in step S101 gained.
From foregoing description, beneficial effect of the present invention is: write district and viewing area by being divided into by same on-screen display (osd) area, to handwriting trace that district receives be write after the Pan and Zoom transformation matrix in 2D transformation matrix, be presented on viewing area, realize showing in same screen partition, in faculty's writing process, the content of writing can not be blocked, student can see while faculty writes that the content of writing can take passages useful information simultaneously, avoids the waste caused on instructional blocks of time.
Further, the partitioned mode that described step S101 gained writes district and viewing area comprises left and right subregion and upper and lower subregion.
Seen from the above description, if the height of faculty is too high, writing at the apex zone of screen is not problem completely, but but easily block the sight line of student, left and right partitioned mode now can be adopted to divide viewing area, faculty writes on one side, is presented at another side, can avoids the sight line blocking student; If the height of faculty is excessively short, cannot write at the apex zone of screen, cause the waste of the apex zone of screen, upper and lower partitioned mode now can be adopted to divide viewing area, faculty writes screen lower zone, be presented at upper area, not only can not cause the sight line blocking student, but also can viewing area be made full use of.
Further, described step S102 also comprises: the viewing area of step S101 gained receives the track write, and is converted by the inverse matrix of the Pan and Zoom in 2D matrixing, and described track display is write district in step S101 gained.
Seen from the above description, write and can show in viewing area writing district, write in viewing area and also can write district's display, according to faculty's unrestricted choice, Consumer's Experience can be promoted.
Referring to Fig. 2, is the structural representation of the device of the same screen with partitioned display in the specific embodiment of the invention, specific as follows:
A device for same screen with partitioned display, comprising: arrange module 10, first receiver module 20, matrixing module 30 and the first display module 40;
Described module 10 being set, writing district and viewing area for being divided into by same on-screen display (osd) area;
Described first receiver module 20, receives for writing district the track write;
Described matrixing module 30, carries out matrixing for the handwriting trace received by the first receiver module 20 by the Pan and Zoom matrixing in 2D matrixing;
Described first display module 40, for being presented at viewing area by matrixing module 30 gained.
From foregoing description, beneficial effect of the present invention is: write district and viewing area by being divided into by same on-screen display (osd) area, to handwriting trace that district receives be write after the Pan and Zoom transformation matrix in 2D transformation matrix, be presented on viewing area, realize showing in same screen partition, in faculty's writing process, the content of writing can not be blocked, student can see while faculty writes that the content of writing can take passages useful information simultaneously, avoids the waste caused on instructional blocks of time.
Further, the described module 10 that arranges also comprises left and right zoning unit and upper and lower zoning unit;
Described left and right zoning unit, writes district and viewing area for being divided into left and right partitioned mode by same on-screen display (osd) area;
Described upper and lower zoning unit, writes district and viewing area for being divided into upper and lower partitioned mode by same on-screen display (osd) area.
Seen from the above description, if the height of faculty is too high, writing at the apex zone of screen is not problem completely, but but easily block the sight line of student, left and right partitioned mode now can be adopted to divide viewing area, faculty writes on one side, is presented at another side, can avoids the sight line blocking student; If the height of faculty is excessively short, cannot write at the apex zone of screen, cause the waste of the apex zone of screen, upper and lower partitioned mode now can be adopted to divide viewing area, faculty writes screen lower zone, be presented at upper area, not only can not cause the sight line blocking student, but also can viewing area be made full use of.
Further, described device also comprises the second receiver module, inverse matrix conversion module and the second display module;
Described second receiver module, receives the track write for viewing area;
Described inverse matrix conversion module, carries out inverse matrix conversion for the handwriting trace received by the second receiver module by the Pan and Zoom inverse matrix conversion in 2D matrixing;
Described second display module, writes district for being presented at by inverse matrix conversion module gained.
Seen from the above description, write and can show in viewing area writing district, write in viewing area and also can write district's display, according to faculty's unrestricted choice, Consumer's Experience can be promoted.
Further, described device is electronic whiteboard, and the described module that arranges is processor, and described first receiver module is inductor, and described matrixing module is matrix converter, and described first display module is display screen.
An electronic whiteboard for same screen with partitioned display, comprising: processor, inductor, matrix converter and display screen;
Described processor, writes district and viewing area for being divided into electronic whiteboard viewing area;
Described inductor, receives for writing district the track write;
Described matrix converter, carries out matrixing for the handwriting trace received by inductor by the Pan and Zoom matrixing in 2D matrixing;
Described display screen, for being presented at viewing area by matrix converter gained.
Beneficial effect of the present invention is: write district and viewing area by being divided into by same on-screen display (osd) area, to handwriting trace that district receives be write after the Pan and Zoom transformation matrix in 2D transformation matrix, be presented on viewing area, realize showing in same screen partition, in faculty's writing process, can not block the content of writing, student can see while faculty writes that the content of writing can take passages useful information simultaneously, avoids the waste caused on instructional blocks of time.
Further, described processor also comprises left and right zoning unit and upper and lower zoning unit;
Described left and right zoning unit, writes district and viewing area for being divided into left and right partitioned mode electronic whiteboard viewing area;
Described upper and lower zoning unit, writes district and viewing area for being divided into upper and lower partitioned mode electronic whiteboard viewing area.
Seen from the above description, if the height of faculty is too high, writing at the apex zone of screen is not problem completely, but but easily block the sight line of student, left and right partitioned mode now can be adopted to divide viewing area, faculty writes on one side, is presented at another side, can avoids the sight line blocking student; If the height of faculty is excessively short, cannot write at the apex zone of screen, cause the waste of the apex zone of screen, upper and lower partitioned mode now can be adopted to divide viewing area, faculty writes screen lower zone, be presented at upper area, not only can not cause the sight line blocking student, but also can viewing area be made full use of.
Refer to Fig. 3 and Fig. 4, Fig. 3 is the schematic diagram of subregion up and down in the specific embodiment of the invention, and Fig. 4 is the left and right subregion schematic diagram in the specific embodiment of the invention, specific as follows:
Wherein: a-quadrant is for writing district, and B region is viewing area; The screen coordinate of a-quadrant is the screen coordinate in a1 (x1, y1) a2 (x2, y2), B region is b1 (x3, y3) b2 (x4, y4).
When writing in a-quadrant, the matrixing formula by the Pan and Zoom of following 2D matrixing:
Point in a-quadrant can be obtained coordinate points corresponding to B region after above-mentioned formulae discovery.
Wherein:
X=writes an x coordinate in a-quadrant;
Y=writes a y coordinate in a-quadrant;
The x-axis scaling of relative a-quadrant, sx=B region;
The y-axis scaling of relative a-quadrant, sy=B region;
The x-axis displacement of relative a-quadrant, tx=B region;
The y-axis displacement of relative a-quadrant, ty=B region.
When writing in B region, the inverse matrix transformation for mula by the Pan and Zoom of following 2D matrixing:
Point in B region can be obtained coordinate points corresponding to a-quadrant after above-mentioned formulae discovery.
The electronic whiteboard of the specific embodiment of the invention, creates a new layer, when writing in a-quadrant in a-quadrant, written contents in the new layer of a-quadrant, do not affect the content that a-quadrant was originally write, and be closed in the newly-built layer in a-quadrant, can again show the content of originally writing in A district.
The electronic whiteboard of the specific embodiment of the invention, in real time in the display of B region, can realize simultaneous display when a-quadrant is write.
In sum, the method of a kind of same screen with partitioned display provided by the invention and device, district and viewing area is write by being divided into by same on-screen display (osd) area, to handwriting trace that district receives be write after the Pan and Zoom transformation matrix in 2D transformation matrix, be presented on viewing area, realize showing in same screen partition, in faculty's writing process, the content of writing can not be blocked, student can see while faculty writes that the content of writing can take passages useful information simultaneously, avoids the waste caused on instructional blocks of time.If the height of faculty is too high, writing at the apex zone of screen is not problem completely, but but easily blocks the sight line of student, left and right partitioned mode now can be adopted to divide viewing area, faculty writes on one side, is presented at another side, can avoids the sight line blocking student; If the height of faculty is excessively short, cannot write at the apex zone of screen, cause the waste of the apex zone of screen, upper and lower partitioned mode now can be adopted to divide viewing area, faculty writes screen lower zone, be presented at upper area, not only can not cause the sight line blocking student, but also can viewing area be made full use of.Write and can show in viewing area writing district, write in viewing area and also can write district's display, according to faculty's unrestricted choice, Consumer's Experience can be promoted.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing instructions of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1., with a method for screen with partitioned display, it is characterized in that, comprising:
S101, same on-screen display (osd) area is divided into and writes district and viewing area;
The district of writing of S102, step S101 gained receives the track write, by the matrixing of the Pan and Zoom in 2D matrixing, by the viewing area of described track display in step S101 gained.
2. the method for same screen with partitioned display according to claim 1, it is characterized in that, the partitioned mode that described step S101 gained writes district and viewing area comprises left and right subregion and upper and lower subregion.
3. the method for same screen with partitioned display according to claim 1, it is characterized in that, described step S102 also comprises: the viewing area of step S101 gained receives the track write, converted by the inverse matrix of the Pan and Zoom in 2D matrixing, described track display is write district in step S101 gained.
4., with a device for screen with partitioned display, it is characterized in that, comprising: module, the first receiver module, matrixing module and the first display module are set;
Described module being set, writing district and viewing area for being divided into by same on-screen display (osd) area;
Described first receiver module, receives for writing district the track write;
Described matrixing module, carries out matrixing for the handwriting trace received by the first receiver module by the Pan and Zoom matrixing in 2D matrixing;
Described first display module, for being presented at viewing area by matrixing module gained.
5. the device of same screen with partitioned display according to claim 4, it is characterized in that, the described module that arranges also comprises left and right zoning unit and upper and lower zoning unit;
Described left and right zoning unit, writes district and viewing area for being divided into left and right partitioned mode by same on-screen display (osd) area;
Described upper and lower zoning unit, writes district and viewing area for being divided into upper and lower partitioned mode by same on-screen display (osd) area.
6. the device of same screen with partitioned display according to claim 4, it is characterized in that, described device also comprises the second receiver module, inverse matrix conversion module and the second display module;
Described second receiver module, receives the track write for viewing area;
Described inverse matrix conversion module, carries out inverse matrix conversion for the handwriting trace received by the second receiver module by the Pan and Zoom inverse matrix conversion in 2D matrixing;
Described second display module, writes district for being presented at by inverse matrix conversion module gained.
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| CN201410524826.8A CN104346125A (en) | 2014-09-30 | 2014-09-30 | On-screen area display method and device |
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| CN201410524826.8A CN104346125A (en) | 2014-09-30 | 2014-09-30 | On-screen area display method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109271086A (en) * | 2018-08-31 | 2019-01-25 | 湖南新云网科技有限公司 | A kind of Writing method of electronic whiteboard, storage medium and electronic whiteboard |
| CN109343785A (en) * | 2018-08-31 | 2019-02-15 | 湖南新云网科技有限公司 | Writing method, storage medium and the electronic whiteboard of electronic whiteboard |
| CN109407898A (en) * | 2018-08-31 | 2019-03-01 | 湖南新云网科技有限公司 | A kind of display methods of electronic whiteboard, storage medium and electronic whiteboard |
| CN110365958A (en) * | 2019-08-05 | 2019-10-22 | 薄涛 | Project interactive approach, server, tutoring system and storage medium |
| CN111552409A (en) * | 2020-04-30 | 2020-08-18 | 通彩视听科技(上海)有限公司 | Touch control method and device for edge type all-in-one machine |
| CN113627408A (en) * | 2021-10-13 | 2021-11-09 | 北京易言科技有限公司 | Display method of character writing, display and training method and device of character writing |
| CN115134318A (en) * | 2022-06-16 | 2022-09-30 | 王蕾茜 | Application program and chatting method capable of realizing synchronous same-screen real-time hand drawing by user |
| CN115237309A (en) * | 2022-09-21 | 2022-10-25 | 深圳市方成教学设备有限公司 | Display control method based on intelligent writing board and intelligent writing board |
| WO2023070329A1 (en) * | 2021-10-26 | 2023-05-04 | 京东方科技集团股份有限公司 | Content display method, content display apparatus, storage medium, and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038788A1 (en) * | 2001-08-22 | 2003-02-27 | Pierre Demartines | Automatically scrolling handwritten input user interface for personal digital assistants and the like |
| CN101324804A (en) * | 2007-06-14 | 2008-12-17 | 深圳市巨龙科教高技术股份有限公司 | Large-screen interactive electronic white board and interactive method thereof |
| US7567239B2 (en) * | 2003-06-26 | 2009-07-28 | Motorola, Inc. | Method and system for message and note composition on small screen devices |
| CN102135836A (en) * | 2011-03-28 | 2011-07-27 | 安徽科大讯飞信息科技股份有限公司 | Superposition hand input method and system |
| CN102141892A (en) * | 2011-03-28 | 2011-08-03 | 安徽科大讯飞信息科技股份有限公司 | Display method and system for overlaying handwritten input |
| CN102298486A (en) * | 2010-06-22 | 2011-12-28 | 广东国笔科技股份有限公司 | Fast calling system and method based on touch screen |
-
2014
- 2014-09-30 CN CN201410524826.8A patent/CN104346125A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038788A1 (en) * | 2001-08-22 | 2003-02-27 | Pierre Demartines | Automatically scrolling handwritten input user interface for personal digital assistants and the like |
| US7567239B2 (en) * | 2003-06-26 | 2009-07-28 | Motorola, Inc. | Method and system for message and note composition on small screen devices |
| CN101324804A (en) * | 2007-06-14 | 2008-12-17 | 深圳市巨龙科教高技术股份有限公司 | Large-screen interactive electronic white board and interactive method thereof |
| CN102298486A (en) * | 2010-06-22 | 2011-12-28 | 广东国笔科技股份有限公司 | Fast calling system and method based on touch screen |
| CN102135836A (en) * | 2011-03-28 | 2011-07-27 | 安徽科大讯飞信息科技股份有限公司 | Superposition hand input method and system |
| CN102141892A (en) * | 2011-03-28 | 2011-08-03 | 安徽科大讯飞信息科技股份有限公司 | Display method and system for overlaying handwritten input |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109271086A (en) * | 2018-08-31 | 2019-01-25 | 湖南新云网科技有限公司 | A kind of Writing method of electronic whiteboard, storage medium and electronic whiteboard |
| CN109343785A (en) * | 2018-08-31 | 2019-02-15 | 湖南新云网科技有限公司 | Writing method, storage medium and the electronic whiteboard of electronic whiteboard |
| CN109407898A (en) * | 2018-08-31 | 2019-03-01 | 湖南新云网科技有限公司 | A kind of display methods of electronic whiteboard, storage medium and electronic whiteboard |
| CN110365958A (en) * | 2019-08-05 | 2019-10-22 | 薄涛 | Project interactive approach, server, tutoring system and storage medium |
| CN111552409A (en) * | 2020-04-30 | 2020-08-18 | 通彩视听科技(上海)有限公司 | Touch control method and device for edge type all-in-one machine |
| CN113627408A (en) * | 2021-10-13 | 2021-11-09 | 北京易言科技有限公司 | Display method of character writing, display and training method and device of character writing |
| WO2023070329A1 (en) * | 2021-10-26 | 2023-05-04 | 京东方科技集团股份有限公司 | Content display method, content display apparatus, storage medium, and electronic device |
| CN115134318A (en) * | 2022-06-16 | 2022-09-30 | 王蕾茜 | Application program and chatting method capable of realizing synchronous same-screen real-time hand drawing by user |
| CN115237309A (en) * | 2022-09-21 | 2022-10-25 | 深圳市方成教学设备有限公司 | Display control method based on intelligent writing board and intelligent writing board |
| CN115237309B (en) * | 2022-09-21 | 2022-12-20 | 深圳市方成教学设备有限公司 | Display control method based on intelligent writing board and intelligent writing board |
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Address after: 350000, building 51, C zone, Fuzhou Software Park, 89 software Avenue, Gulou District, Fujian, Fuzhou Applicant after: Fujian pulse education Polytron Technologies Inc Address before: 350001, Gulou District, Fujian, Fuzhou Software Park No. 89 Software Park, B District, building 11, three Applicant before: FUJIAN YANGHANG ELECTRONIC TECHNOLOGY CO., LTD. |
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Application publication date: 20150211 |