CN112799620B - Big data visualization system - Google Patents
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
- G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
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Abstract
The invention provides a big data visualization system, which comprises: the system comprises a server, a large screen system and a terminal display system which are in communication connection; the large screen system comprises K display areas; k data groups to be displayed are stored in the server, and each data group comprises a data group ID, a text title and graphical data; each display area is for presenting a textual title and graphical data of a corresponding data set. The terminal display system includes: the large-screen layout mapping area is fixed on a display screen of the mobile terminal, and the whole aspect ratio is consistent with that of a large-screen system and used for displaying text titles of the data groups. The data graphical presentation areas are arranged on a display screen of the mobile terminal in a rolling mode, and each presentation area displays a text title and graphical data of a corresponding data set. The invention can provide user experience.
Description
Technical Field
The invention relates to a visualization system, in particular to a big data visualization system.
Background
At present, with the rapid development of big data technology, large screen display systems are well known by users, and large screen display systems integrating multiple information receiving, processing and displaying and multiple personnel operation and control play an important role in providing shared information, decision support, situation display and BSV liquid crystal split picture display. However, when the user uses the mobile terminal or the PC terminal to perform display, the large screen display content may be projected to the mobile terminal or the PC terminal, and the user may not be used to the page layout method due to inconsistency of screen sizes, thereby resulting in poor experience.
Disclosure of Invention
In view of this, the present invention provides a big data visualization system capable of improving user experience.
The technical scheme adopted by the invention is as follows:
the embodiment of the invention provides a big data visualization system, which comprises: the system comprises a server, a large screen system and a terminal display system which are in communication connection;
the large screen system includes K display regions X ═ (X)1，X2，......，XK) (ii) a K data groups to be displayed are stored in the server, and each data group comprises a data group ID, a text title and graphical data; wherein, the display area XiA text title and graphic data for presenting the ith data group; the value of i is 1 to K;
the terminal display system includes:
large screen layout mapping area B ═ (B)1，B2，......，BK) The large screen layout mapping area B is suspended or fixedly arranged on a display screen of the mobile terminal, wherein Wb/Hb is W0/H0; wb and Hb are the width and height of the large-screen layout mapping region B, respectively, in units of pixels; w0 and H0 are the width and height, respectively, of the large screen system in pixels;
data graphic presentation area D ═ (D)1，D2，......，DK) Wherein each presentation area is sequentially arranged from top to bottom and rollably arranged on the display screen of the mobile terminal, and WD1＝ WD2＝……＝WDK，WDi/HDi＝WXi/HXi，WDiAnd HDiRespectively a presentation area DiWidth and height of (W)XiAnd HXiRespectively a presentation area DiCorresponding display area XiWidth and height of (d);
when the terminal display system is refreshed, the following operations are executed:
s100, acquiring K data groups to be displayed from the server and K display areas X from the large-screen system;
s200, creating a corresponding large-screen layout mapping area B and a corresponding data graphical presentation area D according to the acquired display area X;
s300, in the mapping zone BiDisplaying the text title of the ith data group;
s400, in the presentation area DiThe text title and the graphic data of the ith data group are displayed.
According to the big data visualization system provided by the embodiment of the invention, when the display content of the large-screen system is projected to the mobile terminal, the large-screen layout mapping area and the data graphical presentation area are created in the mobile terminal according to the aspect ratio and the number of the display areas of the large-screen system, wherein the large-screen layout mapping area is fixedly or suspendedly arranged on the display screen of the mobile terminal, the overall aspect ratio of the large-screen layout mapping area is the same as the width and the height of the large-screen system, the number of the mapping areas and the aspect ratio of each mapping area are the same as the number of the display areas of the large-screen system and the aspect ratio of the corresponding display areas, and each mapping area is used for displaying the text title of the data group to be displayed. The data graphical presentation areas are arranged on the display screen of the mobile terminal in a rolling mode according to the arrangement sequence of the display areas, the number of the presentation areas and the aspect ratio of each mapping area are the same as the number of the display areas of the large-screen system and the aspect ratio of the corresponding display areas, and each presentation area is used for displaying text titles and graphical data of the data groups to be displayed, so that the contents displayed by the large-screen system can be displayed in a page layout mode which accords with the habit of a user, and the user experience is good.
Drawings
Fig. 1 is a block diagram of a big data visualization system according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a block diagram of a big data visualization system according to an embodiment of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a big data visualization system, including: a server 1, a large screen system 2, a terminal display system 3 and a memory 4 which are connected in communication.
The memory 4 stores therein a computer program. The large screen system 2 is an existing conventional large screen system, and may include K display regions X ═ X (X)1，X2，......，XK). The server 1 stores therein K data groups to be displayed, each data group including a data group ID, a text title, and graphic data. Display area XiAnd the text title and the graphical data are used for presenting the ith data group, and the value of i is 1 to K. For example, the title is "business turn passenger flow volume", and the line graph is graphical data, but may be a bar graph, a dashboard graph, or the like.
As shown in fig. 1, in the embodiment of the present invention, the terminal display system 3 may include:
large screen layout mapping area B ═ (B)1，B2，......，BK). And the large screen layout mapping area B is suspended or fixedly arranged on a display screen of the mobile terminal. Wherein, the aspect ratio of the large-screen layout mapping region B is the same as that of the large-screen system 2, that is, Wb/Hb is W0/H0, and Wb and Hb are the width and height of the large-screen layout mapping region B, respectively, and the unit is a pixel; w0 and H0 are the width and height, respectively, of the large screen system in pixels. Each mapping zone BiAspect ratio of (2) and corresponding display area XiWidth to height ratio of (i.e. W)bi/Hbi＝WXi/HXi，WbAnd HbiAre respectively a mapping zone BiIn pixels, and a height. In addition, the arrangement order of each mapping region is arranged according to the arrangement order of the display regions of the large screen system 2, so that the user can quickly find the contents to be browsed. The value of i is 1 to K, and K is the number of display areas of the large-screen system.
Data graphic presentation area D ═ (D)1，D2，......，DK). WhereinEach presentation area is sequentially arranged from top to bottom and can be arranged on the display screen of the mobile terminal in a rolling mode, namely the data graphical presentation areas can roll up and down by operating the display screen of the mobile terminal, the width of each presentation area is consistent, the aspect ratio of each presentation area is the same as that of the corresponding display area, namely WD1＝ WD2＝……＝WDK，WDi/HDi＝WXi/HXi，WDiAnd HDiRespectively a presentation area DiWidth and height of (W)XiAnd HXiRespectively a presentation area DiCorresponding display area XiWidth and height of (a). The value of i is 1 to K, and K is the number of display areas of the large-screen system.
Further, in the embodiment of the present invention, when the terminal display system 3 is refreshed, the computer program is executed to realize the following steps. For example, when an APP program of the terminal display system is started or a refresh button in the APP program is clicked, the terminal display system can be triggered to be refreshed.
S100, K data groups to be displayed are obtained from the server, and K display areas X are obtained from the large-screen system.
And S200, creating a corresponding large-screen layout mapping area B and a corresponding data graphical presentation area D according to the acquired display area X.
Specifically, according to the relationship Wb/Hb ═ W0/H0, Wbi/Hbi＝WXi/HXiAnd WD1＝ WD2＝……＝WDK，WDi/HDi＝WXi/HXiTo create a large screen layout mapping area B and a data graphic presentation area D.
S300, in the mapping zone BiThe text title of the ith data group is displayed.
In one example, the text header for the ith data set may be centrally located in mapping region BiIn (1).
S400, in the presentation area DiThe text title and the graphic data of the ith data group are displayed.
Multiple presentation areasAnd the display areas are arranged on the display screen of the mobile terminal in a rolling mode according to the arrangement sequence of the display areas of the large-screen system. Presentation area DiThe text title and graphic data of the ith data group displayed in (1) and the corresponding display area XiThe displayed text title and graphical data are the same.
Further, in the embodiment of the present invention, when the user clicks the mapping area B in the mobile terminaliThen jump to the corresponding rendering region DiTo facilitate the user to browse the specific content.
Further, in an embodiment of the present invention, in S300, the mapping region B is also locatediA thumbnail of the ith data group is displayed.
The server 1 further stores thumbnail IDs corresponding to the graphical data of the K data sets, and the terminal display system 3 indexes the thumbnail of the ith data set according to the data set ID of the ith data set. The thumbnail is pre-stored in the server 1 when in the mapping zone BiWhen displaying the thumbnail of the ith data group, the thumbnail of the ith data group acquired from the server 1 may be mapped to the mapping area BiIs automatically reduced to fit into the mapping area BiIn (1).
Further, in another embodiment of the present invention, in S300, a background map G of the large screen layout mapping region B is also displayed.
Specifically, in an embodiment of the present invention, the background map G may be obtained based on the following steps:
s10, the terminal display system acquires the width Wb and height Hb of the large-screen layout mapping region B.
And S20, the terminal display system sends a request to the large screen system to generate the message of the background image G, wherein the message comprises Wb and Hb.
And S30, the large-screen system receives and analyzes the message, and directly samples the image data in the frame buffer of the large-screen system, thereby generating the background image G.
In the embodiment of the invention, the image data is calculated and displayed in real time in the frame buffer, and the image data can be determined based on K data groups, wherein each data group corresponds to one image data. The large screen system 2 eliminates any copying or snapshot of the image data and then performs sampling, that is, directly performs sampling in the image data of the frame buffer, for example, the width of the large screen system is 10 meters, the width of the display screen of the mobile terminal is 10cm, and each 100 pixel points are sampled one, so that occupation of storage and calculation resources caused by ultrahigh resolution of the large screen can be avoided, and the background image G can be obtained. In the embodiment of the invention, sampling can be realized by adopting any technical mode in the prior art.
And S40, the large screen system sends the generated background image G to the terminal display system.
And S50, the terminal display system displays the background image G on the large-screen layout mapping area B.
In the embodiment of the present invention, the background map G is located at the bottom layer of the large screen layout mapping region B.
Further, in the embodiment of the present invention, the background map G in S30 can be implemented by the following two embodiments.
[ example 1 ]
In this embodiment, in S30, when sampling image data in the frame buffer of the large screen system:
(1) if W is0＝A*WbAnd H is0＝B*HbThen, G (x, y) ═ Z (Ax, By);
(2) if W is0＝A*WbAnd H is0≠B*HbThen, the process of the present invention,
(3) if W isb≠A*W0And H isb＝B*H0Then, the process of the present invention,
(4) if W isb≠A*W0And H isb≠H0Then, the process of the present invention,
g (x, y) is the color value of a pixel point at the (x, y) coordinate in the background image G; z is image data, Z (x, y) is a color value of a (x, y) pixel point at a coordinate in the image data, and A and B are positive integers.
In this embodiment, the image data Z is image data after the gradation processing.
In this embodiment, if the width and height of the image data are positive integer multiples of the width and height of the large-screen layout mapping region B, the image data are directly sampled according to the positive integer multiples, otherwise, the image data are sampled by positive integer multiples after the width or height which is not in the positive integer multiple relation is rounded up or rounded down, so that the sampling efficiency can be improved.
(example 2)
In this embodiment, in S30, when sampling image data in the frame buffer of the large screen system:
wherein,
In this embodiment, the image data Z is image data after the gradation processing.
Further, in the embodiment of the present invention, S300 further includes: the text title is displayed in a color different from the background image G, and specifically, the text title is displayed in a preset color having a large color difference from the background image G, for example, the background image G is gray, and the text title is displayed in red or blue.
To sum up, according to the big data visualization system provided by the embodiment of the present invention, when the display content of the large screen system is projected to the mobile terminal, the large screen layout mapping area and the data graphical presentation area are created in the mobile terminal according to the aspect ratio and the number of the display areas of the large screen system, wherein the large screen layout mapping area is fixedly or suspendedly disposed on the display screen of the mobile terminal, the overall aspect ratio of the large screen layout mapping area is the same as the width and the height of the large screen system, the number of the mapping areas and the aspect ratio of each mapping area are the same as the number of the display areas of the large screen system and the aspect ratio of the corresponding display area, and each mapping area is used for displaying the text title of the data group to be displayed. The data graphical presentation areas are arranged on the display screen of the mobile terminal in a rolling mode according to the arrangement sequence of the display areas, the number of the presentation areas and the aspect ratio of each mapping area are the same as the number of the display areas of the large-screen system and the aspect ratio of the corresponding display areas, and each presentation area is used for displaying text titles and graphical data of the data groups to be displayed, so that the contents displayed by the large-screen system can be displayed in a page layout mode which accords with the habit of a user, and the user experience is good.
The above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A big data visualization system, comprising: the system comprises a server, a large screen system and a terminal display system which are in communication connection;
the large screen system includes K display regions X ═ (X)1，X2，......，XK) (ii) a K data groups to be displayed are stored in the server, and each data group comprises a data group ID, a text title and graphical data; wherein, the display area XiA text title and graphic data for presenting the ith data group; the value of i is 1 to K;
the terminal display system includes:
large screen layout mapping area B ═ (B)1，B2，......，BK) The large screen layout mapping area B is suspended or fixedly arranged on a display screen of the mobile terminal, wherein Wb/Hb is W0/H0; wb and Hb are the width and height of the large-screen layout mapping region B, respectively, in units of pixels; w0 and H0 are the width and height, respectively, of the large screen system in pixels;
data graphic presentation area D ═ (D)1，D2，......，DK) Wherein, each presentation area is arranged in sequence from top to bottom and can be arranged on the display screen of the mobile terminal in a rolling way,and WD1＝WD2＝……＝WDK，WDi/HDi＝WXi/HXi，WDiAnd HDiRespectively a presentation area DiWidth and height of (W)XiAnd HXiRespectively a presentation area DiCorresponding display area XiWidth and height of (d);
when the terminal display system is refreshed, the following operations are executed:
s100, acquiring K data groups to be displayed from the server and K display areas X from the large-screen system;
s200, creating a corresponding large-screen layout mapping area B and a corresponding data graphical presentation area D according to the acquired display area X;
s300, in the mapping zone BiDisplaying the text title of the ith data group;
s400, in the presentation area DiDisplaying a text title and graphical data of the ith data group;
in S300, a background image G of the large screen layout mapping area B is also displayed;
the background image G is obtained based on the following steps:
s10, the terminal display system acquires the width Wb and the height Hb of the large-screen layout mapping area B;
s20, the terminal display system sends a request to the large screen system to generate the message of the background image G, wherein the message comprises Wb and Hb;
s30, the large screen system receives and analyzes the message, and directly samples the image data in the frame buffer of the large screen system, thereby generating the background image G;
s40, the large screen system sends the generated background image G to the terminal display system;
and S50, the terminal display system displays the background image G in the large-screen layout mapping area B.
2. The big data visualization system according to claim 1, wherein when a user clicks on a mapping zone B in the mobile terminaliThen jump to the corresponding rendering region Di。
3. The big data visualization system according to claim 1, wherein in S300, the mapping region B is further locatediA thumbnail of the ith data group is displayed.
4. The big data visualization system according to claim 3, wherein the server further stores thumbnail IDs corresponding to the graphical data of the K data sets, and the terminal display system indexes the thumbnail of the ith data set according to the data set ID of the ith data set.
5. The big data visualization system according to claim 1, wherein in S30, when sampling the image data in the frame buffer of the large screen system:
if W is0＝A*WbAnd H is0＝B*HbThen, G (x, y) ═ Z (Ax, By);
if W is0＝A*WbAnd H is0≠B*HbThen, the process of the present invention,
if W isb≠A*W0And H isb＝B*H0Then, the process of the present invention,
if W isb≠A*W0And H isb≠H0Then, the process of the present invention,
g (x, y) is the color value of a pixel point at the (x, y) coordinate in the background image G; z is image data, and Z (x, y) is the color value of a pixel point (x, y) at a coordinate in the image data; a and B are positive integers.
6. The big data visualization system according to claim 1, wherein in S30, when sampling the image data in the frame buffer of the large screen system:
wherein,
G (x, y) is the color value of the pixel point at the (x, y) coordinate in the background image G; z is image data, and Z (x, y) is the color value of a pixel point (x, y) at a coordinate in the image data; a and B are positive integers, Q<(W0/Wb) Or Q<(H0/Hb)。
7. Big data visualization system according to claim 5 or 6, wherein the image data Z is grayed image data.
8. The big data visualization system according to claim 1, wherein the background map G is located at the bottom layer of the big screen layout mapping region B.
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