CN109726317B - Method and device for displaying data - Google Patents
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Abstract
The invention discloses a method and a device for displaying data. Wherein, the method comprises the following steps: acquiring data to be displayed based on a big data technology; under the condition that the data volume of the data to be displayed is larger than a preset threshold value, acquiring a preset number of first display data from the data to be displayed; and displaying the data to be displayed based on the first display data and the incremental display amount. The invention solves the technical problem of poor data display effect of the existing visualization tool.
Description
Technical Field
The invention relates to the field of data processing, in particular to a method and a device for displaying data.
Background
One of the ways of acquiring information is to acquire information in a visualization way, and the data visualization technology can carry out clear and effective information transmission in a graphical way. The data Visualization technology mainly includes three branches, namely Scientific Visualization (Scientific Visualization), Information Visualization (Information Visualization), and Visual Analytics (Visual Analytics). The current common visualization tools include Excel, R language commonly used in academia, ggplot2, Python visualization library, and the like, Tableau, DOMO, PowerBI, and the like.
However, when the data size of the data to be processed is very large, the existing visualization tools cannot well display the data through the visualization technology. In addition, the conventional visualization tool does not support statistical display analysis of maps (for example, multi-level drill-down of maps), thermodynamic diagrams, three-dimensional graphics, and the like for a while, and when the data to be processed is large, the rendering speed of the conventional visualization tool is slow, which easily causes problems of program crash caused by memory overflow.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a method and a device for displaying data, which at least solve the technical problem that the effect of displaying data by using the existing visualization tool is poor.
According to an aspect of an embodiment of the present invention, there is provided a method for presenting data, including: acquiring data to be displayed based on a big data technology; under the condition that the data volume of the data to be displayed is larger than a preset threshold value, acquiring a preset number of first display data from the data to be displayed; and displaying the data to be displayed based on the first display data and the incremental display amount.
Further, the method for presenting data further comprises: rendering the first display data, and displaying the first display data in a graphic display area; under the condition of receiving the incremental display amount input by the user, determining second display data corresponding to the incremental display amount; rendering the second display data; and displaying the rendered first display data and the rendered second display data in the graphic display area.
Further, the method for presenting data further comprises: presetting the data to be displayed to obtain a processing result; and displaying the processing result in a graphic form in the graphic display area.
Further, the method for presenting data further comprises: and under the condition that the preset processing is changed, displaying a processing result corresponding to the changed preset processing in the graph display area.
Further, the method for presenting data further comprises: receiving a decreasing display amount input by a user; determining third display data corresponding to the decreased display amount; and clearing the graph corresponding to the third display data from the graph display area.
According to another aspect of the embodiments of the present invention, there is also provided an apparatus for presenting data, including: the display device comprises a first acquisition module, a second acquisition module and a display module, wherein the first acquisition module is used for acquiring data to be displayed based on a big data technology; the second acquisition module is used for acquiring a preset number of first display data from the data to be displayed under the condition that the data volume of the data to be displayed is larger than a preset threshold value; and the display module is used for displaying the data to be displayed based on the first display data and the incremental display amount.
Further, the display module includes: the first display module is used for rendering the first display data and displaying the first display data in the graphic display area; the determining module is used for determining second display data corresponding to the incremental display amount under the condition of receiving the incremental display amount input by the user; the rendering module is used for rendering the second display data; and the second display module is used for displaying the rendered first display data and the rendered second display data in the graphic display area.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein when the program runs, a device on which the storage medium is located is controlled to execute a method of presenting data.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, where the program executes a method for presenting data.
In the embodiment of the invention, a mode of combining a big data technology and a visual component is adopted, the data to be displayed is obtained based on the big data technology, a preset number of first display data are obtained from the data to be displayed under the condition that the data volume of the data to be displayed is larger than a preset threshold value, and then the data to be displayed is displayed based on the first display data and the incremental display volume.
According to the content, the scheme provided by the application can be used for visually displaying the big data. In addition, in the process of visually displaying big data, in order to avoid the problems of low rendering speed and poor rendering effect caused by large data volume, the scheme provided by the application only displays part of data (namely first display data) in the data to be displayed, and the data volume of the part of data in the data to be displayed is less, so that the rendering speed is increased, and the rendering effect is improved. In addition, in order to ensure the integrity of the data to be displayed, the rest part is displayed by increasing the display amount. The data rendering speed is also increased by increasing the display amount to display the rest part.
Therefore, the technical problem that the effect of displaying data by using the existing visualization tool is poor can be solved by the scheme provided by the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow diagram of a method of presenting data according to an embodiment of the invention;
FIG. 2 is a frame structure of an alternative data presentation platform according to embodiments of the present invention;
FIG. 3 is an interface schematic of an alternative data presentation platform according to an embodiment of the present invention;
FIG. 4 is a block diagram of an alternative method of presenting data in accordance with embodiments of the present invention; and
FIG. 5 is a block diagram of an apparatus for displaying data according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
First, some terms or terms appearing in the description of the embodiments of the present application are applicable to the following explanations:
scientific Visualization (Scientific Visualization) is a interdisciplinary research and application field in science, mainly focusing on the Visualization of three-dimensional phenomena, such as various systems in architectural, meteorological, medical or biological aspects, with emphasis on realistic rendering of bodies, faces, light sources, and so on. Scientific visualization is a subset of computer graphics, a branch of computer science. The purpose of scientific visualization is to graphically illustrate scientific data, enabling scientists to understand, interpret, and collect rules from the data.
Information Visualization (Information Visualization) is an interactive visual representation of research abstract data to enhance human cognition. The abstract data includes numeric and non-numeric data, such as geographic information and text. Information visualization differs from scientific visualization in that data processed by scientific visualization has a natural geometry (e.g., lines of magnetic induction, fluid distribution, etc.), and data processed by information visualization has an abstract data structure. The design of the figures converts abstract concepts into visual information.
Visual Analytics (Visual Analytics) is a new field that has developed with the development of scientific visualization and information visualization, with emphasis on analytical reasoning through interactive Visual interfaces.
Tableau, a software tool that is directed to helping people view and understand data.
And R is a language and an operating environment for statistical analysis and drawing. R is a free, source code-open software belonging to the GNU system, which is a tool for statistical calculations and statistical charting.
Echarts, a sourced data visualization product, represents a new generation of large data visualization foundation library.
Example 1
In accordance with an embodiment of the present invention, there is provided an embodiment of a method of presenting data, it being noted that the steps illustrated in the flowchart of the figure may be performed in a computer system such as a set of computer-executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a method for presenting data according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
and S102, acquiring data to be displayed based on a big data technology.
It should be noted that the data source of the data to be displayed may be the internet and a data system corresponding to a related platform, where the data to be displayed in different fields has different data sources, for example, for charging pile data of an electric vehicle, the data source may be the internet, and may also be intranet system data such as power generation and marketing, national grid system data, external system data in the power industry, system data and scientific research data of a power department, and the like; for the related data of the sales goods, the data source can be the sales data provided by each sales platform.
In addition, it should be further noted that the method provided by the embodiment of the present application may be implemented by a data presentation platform, where the data presentation platform may implement a visualization technology.
Optionally, fig. 2 shows a framework structure of the data display platform, and as can be seen from fig. 2, the data display platform combines a data visualization technology with an information technology, a natural science, a statistical analysis technology, a graphics technology, a perception and cognition science, a data management and knowledge expression technology, and can realize functions of human-computer interaction, expression operation and propagation, display of geographic information, and the like. The data display platform can be communicated with data sources in different fields, and data to be displayed are obtained through a big data technology and displayed.
Step S104, under the condition that the data volume of the data to be displayed is larger than a preset threshold value, acquiring a preset number of first display data from the data to be displayed.
It should be noted that, because the amount of the big data is large, in the process of displaying the big data, if all the data are displayed, the data rendering speed is slow, and the memory of the data display platform is prone to overflow. In order to solve the above problem, step S104 first obtains part of data (i.e. first display data) in the data to be displayed, and then performs rendering display by gradually obtaining a small amount of data and incrementally loading the data.
And S106, displaying the data to be displayed based on the first display data and the incremental display amount.
It should be noted that, the data to be displayed is displayed in at least one of the following display forms: statistical analysis diagrams, relational diagrams, spatial maps, and three-dimensional diagrams. The statistical analysis chart comprises a line graph, a bar graph, a scatter graph, a pie graph, a ring graph, a radar chart and the like, and measurement and dimension selection needs to be carried out on a data display column before the statistical analysis chart is displayed. Wherein, the measurement is a data display column of a digital type, and can be selected more; the dimension is a data display column of a text type and can be selected more. But different statistical analysis graphs support different numbers of metrics and dimensions, e.g., a scatter plot supports one dimension and one metric; for statistical analysis graphs that do not support presentation, their corresponding legends indicate inoperability in gray. The relational graph is a complex graph, nodes are interwoven together by different connecting lines, and the graph layout is shown to have various styles, such as a regular tree graph, an intricate force guide graph and the like. The positions of the nodes can be determined by the relationship between the nodes and the hierarchy of the nodes. Before the relational graph is displayed, data display columns are selected, wherein the data display columns include but are not limited to a unique mark column (optional column), a name column (optional column), a relational mark column (optional column), a hierarchy depth column (optional column for layout of the tree graph) and a description information column (optional column for text description of connecting lines).
Based on the scheme defined in steps S102 to S106, it can be known that, by using a manner of combining a big data technology and a visualization component, data to be displayed is obtained based on the big data technology, and when the data amount of the data to be displayed is greater than a preset threshold, a preset amount of first display data is obtained from the data to be displayed, and then the data to be displayed is displayed based on the first display data and the incremental display amount.
It is easy to notice that the scheme provided by the application can be used for visually displaying big data. In addition, in the process of visually displaying big data, in order to avoid the problems of low rendering speed and poor rendering effect caused by large data volume, the scheme provided by the application only displays part of data (namely first display data) in the data to be displayed, and the data volume of the part of data in the data to be displayed is less, so that the rendering speed is increased, and the rendering effect is improved. In addition, in order to ensure the integrity of the data to be displayed, the rest part is displayed by increasing the display amount. The data rendering speed is also increased by increasing the display amount to display the rest part.
Therefore, the technical problem that the effect of displaying data by using the existing visualization tool is poor can be solved by the scheme provided by the application.
In an optional scheme, when the data volume of the data to be displayed is large, the data display platform displays the data to be displayed based on the first display data and the incremental display volume. Specifically, the data display platform renders the first display data, displays the first display data in the graph display area, determines second display data corresponding to the incremental display amount under the condition of receiving the incremental display amount input by the user, renders the second display data, and displays the rendered first display data and the rendered second display data in the graph display area.
Optionally, as shown in fig. 3, in an interface schematic diagram of an optional data display platform, in fig. 3, the currently displayed data amount is the data amount of the first display data, that is, the curve shown in fig. 3 is a curve obtained by rendering the first display data, where an area where the curve in fig. 3 is located is a graphic display area. Additionally, the user may determine the incremental show amount by clicking on the "+" control in FIG. 3, e.g., 10 in FIG. 3, i.e., after the user clicks on the "+" control, the data show platform will show a graph corresponding to 20 data.
It should be noted that the user may also determine the display effect of the data to be displayed through the chart type area on the right side of the data display platform, for example, if the user clicks the "bar chart" control in fig. 3, the graphic display area in fig. 3 will display the data in the form of a bar chart.
In addition, it should be noted that the user can also set the timing display function through the data analysis platform. Firstly, the data analysis platform can obtain the timing duration input by the user, and then display data corresponding to the incremental display amount is displayed in the graph display area at intervals of the timing duration. For example, the data analysis platform increases the amount of data to be presented by 10 every 10 seconds and presents the data within the graphical presentation area after adding an incremental amount of presentation.
In an optional scheme, after the data to be displayed is displayed based on the first display data and the incremental display amount, the data display platform also performs preset processing on the data to be displayed to obtain a processing result, and then displays the processing result in a graph display area in a graph form. And displaying a processing result corresponding to the changed preset processing in the graphic display area under the condition that the preset processing is changed.
It should be noted that the preset processing includes, but is not limited to, a filtering operation and a calculating operation. Wherein the filtering operation includes, but is not limited to, operations like, equal to, greater than, less than, equal to, between, etc., and the calculating operation includes, but is not limited to, maximum, minimum, average. In addition, the user can define an algorithm between each data column through the data presentation platform, for example, a × 3+ b, where a and b are related data presentation columns. After the function and the formula are added to the corresponding data display column, the corresponding data display column can be reflected to the graph display area in real time, and corresponding points, lines and the like are added to the graph in the data display area. Meanwhile, along with the increasing and decreasing of the data, the calculation results of the functions and the formulas also change in real time, and the graphs in the data display area also change in real time.
In an optional scheme, after the data to be displayed is displayed based on the first display data and the incremental display amount, the data display platform further receives the incremental display amount input by the user, determines third display data corresponding to the incremental display amount, and then clears the graph corresponding to the third display data from the graph display area. For example, the user may determine the decrement display amount by clicking the "-" control in fig. 3, for example, the decrement display amount in fig. 3 is 10, that is, after the user clicks the "-" control, the data display platform will clear the curves corresponding to 10 data.
In addition, it should be noted that, after the data display platform displays the data, the display result of the graphic display area is also stored, and a modification operation is performed later. In addition, the graphic display part of the data display platform can develop functions on the basis of Echarts, and supports all functions in the Echarts, including scaling and restoring of areas, saving of result graphs and the like.
In an optional scheme, fig. 4 shows a frame diagram of the data presentation method of the present application, and as can be seen from fig. 4, a large amount of data is acquired from a large data cluster based on a visual analysis tool of the large data, and is analyzed and counted by methods such as large data analysis and algorithm mining, and then a result is grayed out to obtain a result data set. And under the condition that the data volume of the result data set is large, the data display platform filters, increases the display volume and decreases the display volume to display the data in an increasing and decreasing way. A small part of data is loaded firstly, then an increasing (decreasing) amount is input, the data can be continuously accumulated in a graphic display area by clicking a + number, and the data amount can be reduced by clicking a-number, wherein the graphic display area can support the display of various graphics. In addition, the data presentation platform can also scale and restore the graphics in the data presentation area. And finally, the data display platform can also carry out calculation on multiple dimensions and measures, can also carry out self-defining processing on unique identification, names, associated identification, depth, description information and the like, and can display through a relation graph, a tree graph, a force guide graph and the like.
Example 2
According to an embodiment of the present invention, an embodiment of an apparatus for displaying data is further provided, where it is to be noted that the apparatus may execute the method for displaying data provided in embodiment 1, where fig. 5 is a schematic structural diagram of the apparatus for displaying data according to the embodiment of the present invention, and as shown in fig. 5, the apparatus includes: a first obtaining module 501, a second obtaining module 503 and a showing module 505.
The first obtaining module 501 is configured to obtain data to be displayed based on a big data technology; a second obtaining module 503, configured to obtain a preset number of first display data from the data to be displayed when a data amount of the data to be displayed is greater than a preset threshold; and a display module 505, configured to display the data to be displayed based on the first display data and the incremental display amount.
It should be noted here that the first obtaining module 501, the second obtaining module 503 and the displaying module 505 correspond to steps S102 to S106 in embodiment 1, and the three modules are the same as the corresponding steps in the implementation example and the application scenario, but are not limited to the disclosure in the first embodiment.
In an alternative, the display module comprises: the display device comprises a first display module, a determination module, a rendering module and a second display module. The first display module is used for rendering the first display data and displaying the first display data in the graphic display area; the determining module is used for determining second display data corresponding to the incremental display amount under the condition of receiving the incremental display amount input by the user; the rendering module is used for rendering the second display data; and the second display module is used for displaying the rendered first display data and the rendered second display data in the graphic display area.
In an alternative, the display module comprises: the display device comprises a first rendering module, a first determining module, a second rendering module and a third display module. The first rendering module is used for rendering the first display data and displaying the first display data in the graphic display area; the first determining module is used for determining second display data corresponding to the incremental display amount under the condition of receiving the incremental display amount input by the user; the second rendering module is used for rendering the second display data; and the third display module is used for displaying the rendered first display data and the rendered second display data in the graphic display area.
In an optional aspect, the apparatus for presenting data further comprises: the display device comprises a first processing module and a fourth display module. The display device comprises a first processing module, a second processing module and a display module, wherein the first processing module is used for carrying out preset processing on data to be displayed to obtain a processing result; and the fourth display module is used for displaying the processing result in the form of a graph in the graph display area.
In an alternative, the fourth display module comprises: and a fifth display module. And the fifth display module is used for displaying the processing result corresponding to the changed preset processing in the graphic display area under the condition that the preset processing is changed.
In an optional aspect, the apparatus for presenting data further comprises: the device comprises a receiving module, a second determining module and a second processing module. The receiving module is used for receiving the decreasing display amount input by the user; the second determining module is used for determining third display data corresponding to the descending display amount; and the second processing module is used for clearing the graph corresponding to the third display data from the graph display area.
Optionally, the data to be displayed is displayed in at least one of the following display forms: statistical analysis diagrams, relational diagrams, spatial maps, and three-dimensional diagrams.
Example 3
According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein when the program runs, a device on which the storage medium is located is controlled to execute the method for presenting data provided in embodiment 1.
Example 4
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes the method for presenting data provided in embodiment 1.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A method of presenting data, comprising:
acquiring data to be displayed based on a big data technology;
under the condition that the data volume of the data to be displayed is larger than a preset threshold value, acquiring a preset number of first display data from the data to be displayed;
displaying the data to be displayed based on the first display data and the incremental display amount;
displaying the data to be displayed based on the first display data and the incremental display amount, including: rendering the first display data, and displaying the first display data in a graphic display area; under the condition of receiving the incremental display amount input by a user, determining second display data corresponding to the incremental display amount; rendering the second display data; displaying the rendered first display data and the rendered second display data in the graphic display area;
after displaying the data to be displayed based on the first display data and the incremental display amount, the method further comprises: receiving a decreasing display amount input by a user; determining third display data corresponding to the decrement display amount; removing the graph corresponding to the third display data from the graph display area;
wherein after displaying the data to be displayed based on the first display data and the incremental display amount, the method further comprises: the data to be displayed is subjected to preset processing to obtain a processing result, and the preset processing at least comprises any one of the following steps: filtering operation and calculating operation; displaying the processing result in the form of a graph in the graph display area; and displaying a processing result corresponding to the changed preset processing in the graphic display area under the condition that the preset processing is changed.
2. The method according to claim 1, wherein the data to be displayed is displayed in a display form of at least one of: statistical analysis diagrams, relational diagrams, spatial maps, and three-dimensional diagrams.
3. An apparatus for presenting data, comprising:
the display device comprises a first acquisition module, a second acquisition module and a display module, wherein the first acquisition module is used for acquiring data to be displayed based on a big data technology;
the second acquisition module is used for acquiring a preset number of first display data from the data to be displayed under the condition that the data volume of the data to be displayed is larger than a preset threshold value;
the display module is used for displaying the data to be displayed based on the first display data and the incremental display amount;
wherein the display module comprises: the first display module is used for rendering the first display data and displaying the first display data in a graphic display area; the determining module is used for determining second display data corresponding to the incremental display amount under the condition of receiving the incremental display amount input by the user; the rendering module is used for rendering the second display data; the second display module is used for displaying the rendered first display data and the rendered second display data in the graphic display area;
wherein, the device for displaying data further comprises: the receiving module is used for receiving the decreasing display amount input by the user; the second determining module is used for determining third display data corresponding to the descending display amount; the second processing module is used for clearing the graph corresponding to the third display data from the graph display area;
wherein, the device for displaying data further comprises: the first processing module is used for performing preset processing on data to be displayed to obtain a processing result, and the preset processing at least comprises any one of the following steps: filtering operation and calculating operation; the fourth display module is used for displaying the processing result in the form of a graph in the graph display area; and the fifth display module is used for displaying the processing result corresponding to the changed preset processing in the graphic display area under the condition that the preset processing is changed.
4. A storage medium, characterized in that the storage medium comprises a stored program, wherein when the program runs, the device where the storage medium is located is controlled to execute the method for presenting data according to claim 1 or 2.
5. A processor for running a program, wherein the program is run to perform the method of exposing data of claim 1 or 2.
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| CN201811565955.6A CN109726317B (en) | 2018-12-20 | 2018-12-20 | Method and device for displaying data |
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| CN201811565955.6A CN109726317B (en) | 2018-12-20 | 2018-12-20 | Method and device for displaying data |
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| CN109726317B true CN109726317B (en) | 2021-06-22 |
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