CN108268201B - A kind of electric power data chart processing method based on dragging re-computation - Google Patents
A kind of electric power data chart processing method based on dragging re-computation Download PDFInfo
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Abstract
The present invention relates to a kind of based on the electric power data chart processing method for pulling re-computation, which is characterized in that the data drawing list includes chart top left co-ordinate (Xo, Yo), N number of legend, and wherein N is the record number with the associated source data of the data drawing list；The method includes:Step S100, detection mouse obtain the coordinate (Xe, Ye) of mouse at the end of drag motions to the drag motions of one or more legends in N number of legend；Step S200, if Xo≤Xe≤Xo+W and Yo≤Ye≤Yo+H, do not execute operation；Otherwise, the interim source data that ephemeral data chart is associated, the transcript being recorded as in the corresponding source data of legend of mouse drag in the interim source data are created；Step S300, according to the top left co-ordinate (Xo of data drawing list, Yo), mouse coordinates (Xe, Ye), Chart Width W0, Chart Height H0, display screen width W and display screen height H determine top left co-ordinate (Xt, Yt) and the display position of ephemeral data chart；Step S400 shows the ephemeral data chart.
Description
Technical Field
The invention belongs to the field of electric power data chart processing, and particularly relates to an electric power data chart processing method based on drag recalculation.
Background
Dragging recalculation is originated by ECharts, which means that graphs (such as each sector of a pie chart, an inflection point on a broken line chart, a column shape on a bar chart and the like) representing data output by a computer can be dragged, and different data reforming effects can be intelligently generated after dragging, for example, when a sector is dragged out of the pie chart, the remaining data in the pie chart can be recalculated into a complete pie chart, the dragged sector can be dragged back to be merged into the pie chart at any time, or can be dragged to another sector to generate merging of data, and merging and migration of data dragging can be even performed among different charts. The dragging recalculation brings the experience of the unprecedented data statistics chart to the user, allows the user to effectively extract and integrate the statistical data, even can exchange data among a plurality of charts, and endows the user with the capability of mining and integrating the data.
In the existing dragging recalculation, the obvious defect is that dragged data can become a data isolated island, and the data isolated island has two defects in the using process: firstly, although the rest data can be recalculated into a complete chart, the dragged data becomes meaningless and cannot form a new chart independently, thereby causing data waste; secondly, in the whole chart page, the dot diagram formed by the data islands cannot be displayed at a fixed position on the page, and if artificial drag and drop are too random, the dot diagram not only has an influence on the content displayed by the page chart, but also has an influence on the expression effect of the whole chart on the data.
The graph of the power data has an obvious statistical characteristic, that is, the legends displayed in the graph are many, for example, when a certain provincial electric power company calculates the annual power consumption of each city-level electric power company, more than 10 broken lines often appear on one statistical graph, each broken line represents a city, and when a certain city-level electric power company calculates the annual power consumption of each district-county-level electric power company, similar problems also exist. Such a complex graph often forms a pile of "tangma" when displayed, and cannot achieve the effect of intuitively expressing data.
Therefore, it is desirable to process a graph of power data by using a drag recalculation technique, and to drag out a certain broken line or a certain number of broken lines in a plurality of broken lines (or in other forms of graphs), for example, where trends need to be further analyzed, so as to quickly form a relatively concise graph and intuitively express data. Especially, the display position of the dragged data chart is reasonably arranged, an obvious contrast effect is formed, meanwhile, a user does not need to carry out secondary manual adjustment, and the user experience is improved.
Disclosure of Invention
In order to overcome the problems, the invention relates to a method for processing a power data chart based on drag-and-drop recalculation, which is characterized in that the data chart comprises coordinates (Xo, Yo) at the upper left corner of the chart and N legends, wherein N is the number of records of source data associated with the data chart; s100, detecting the dragging action of the mouse on one or more legends in the N legends, and obtaining the coordinates (Xe, Ye) of the mouse when the dragging action is finished; step S200, if Xe is not less than Xe and not more than Xo + W and Yo is not less than Ye and not more than Yo + H, then no operation is performed; otherwise, creating temporary source data associated with the temporary data chart, wherein the records in the temporary source data are copies of the records in the source data corresponding to the legend dragged by the mouse; step S300, determining the upper left-corner coordinates (Xt, Yt) and the display position of the temporary data chart according to the upper left-corner coordinates (Xo, Yo) of the data chart, the mouse coordinates (Xe, Ye), the chart width W0, the chart height H0, the display screen width W and the display screen height H; and step S400, displaying the temporary data chart.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of a display screen coordinate system and exemplary coordinates according to the present invention;
FIG. 3 is a schematic example of a data chart of the present invention;
FIG. 4 is a schematic example of a temporary data chart of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. This description is made by way of example and not limitation to specific embodiments consistent with the principles of the invention, the description being in sufficient detail to enable those skilled in the art to practice the invention, other embodiments may be utilized and the structure of various elements may be changed and/or substituted without departing from the scope and spirit of the invention. The following detailed description is, therefore, not to be taken in a limiting sense.
The invention is further described by the following examples, but is not limited thereto.
As shown in fig. 1, according to the present invention, there is provided a method for processing a power data graph based on drag-and-drop recalculation, in which a power data graph is displayed on a display screen. Preferably, the power data graph is a line graph or a bar graph, but other types of data graphs reflecting the variation trend of different legends can be understood by those skilled in the art.
The coordinate system of the display screen in the present invention is shown in fig. 2, the coordinate system is a two-dimensional rectangular coordinate system, the upper left corner of the display screen is the origin of the coordinate system, the x-axis direction is toward the right, and the y-axis direction is toward the bottom. Of course, those skilled in the art may also use other positions as the origin of the coordinate system, such as the lower left corner or the center of the display screen, so as to complete the technical solution of the present invention, but the changes of the technical solution brought by the translation transformation of the origin of the coordinate system also substantially fall into the protection scope of the present invention. Further, the width and height of the display screen are W and H, respectively, and the units of W and H can be measured in length units, such as inches and millimeters, and can also be measured in the resolution of the display. The technical scheme of the invention is not influenced by the selection of the measurement unit.
Fig. 3 is a schematic diagram of an illustrative example of a data chart of the present invention, showing a trend of a specific data of the power fields of the three cities a-C over time in the form of a line graph. It is noted that the source data of fig. 3 is only exemplary data originating from the network, and is used to illustrate the representation of the line graph, and is not actual measured data.
According to the present invention, as shown in fig. 3, the data chart includes coordinates (Xo, Yo) of the upper left corner of the chart in the screen coordinate system, a chart width W0, a chart height H0, N legends (N ═ 3 in fig. 3), where N is the number of records of the source data associated with the data chart.
According to the invention, the electric power data chart processing method based on drag recalculation allows a user to take out the broken line corresponding to the graph from the data chart through drag operation on the graph and display the broken line in the temporary data chart, and specifically comprises the following steps:
step S100, detecting the dragging action of the mouse on one or more legends in the N legends, and obtaining the coordinates (Xe, Ye) of the mouse when the dragging action is finished.
Step S200, if Xe is more than or equal to Xe and is less than or equal to Xo + W and Yo is more than or equal to Ye and is less than or equal to Yo + H, the dragging action is still performed in the display area of the data diagram, and at the moment, the user is considered to adjust the display position of the legend in the diagram, so that no operation is performed; otherwise, that is, the mouse has dragged the legend out of the display area of the data diagram, at which point it is assumed that the user wishes to drag the corresponding, e.g., polyline, of the particular legend out of the data diagram, thus creating temporary source data with which the temporary data diagram is associated, the temporary source data being recorded as a copy of the record in the source data corresponding to the legend dragged by the mouse. When the B city in the legend is dragged out, a temporary data chart shown in FIG. 4 is created, and the display data of the temporary data chart is the data in the temporary source data shown in FIG. 4.
In step S300, the upper left-hand coordinate (Xt, Yt), width and height of the temporary data chart are determined according to the upper left-hand coordinate (Xo, Yo) of the data chart, the chart width W0, the chart height H0, the display screen width W and the display screen height H. The method specifically comprises the following steps:
step S310, ifAnd isIllustrating that the data chart is not large in width and large in height. Line graphs of statistical data for dozens or twenty parallel secondary units in the electric power data chart, with quarterly or semi-annually statistical periods (requiring corresponding dozens to twenty fold lines)This characteristic tends to be exhibited. Then (Xt, Yt) is set toYt is 0; meanwhile, moving the data chart to a new position, wherein the coordinates of the upper left corner of the new position are (0, 0); and the width and height of the temporary data chart are set to W0 and H0, respectively; then, step S400 is performed to display the data graph and the temporary data graph.
Step S330, ifAnd isIllustrating that the data chart is large in width and not large in height. In the power data chart, the line graph or the bar graph of the statistical data for a plurality of key units usually shows the characteristic with 1-3 years as a statistical period. Then (Xt, Yt) is set to Xt ═ 0 respectively,meanwhile, moving the data chart to a new position, wherein the coordinates of the upper left corner of the new position are (0, 0); and the width and height of the temporary data chart are set to W0 and H0, respectively; then, step S400 is performed to display the data graph and the temporary data graph.
Step S350, ifAnd isThe width and the height of the data chart are relatively large, and if the temporary data chart is normally created, the data chart and the temporary data chart are overlapped on a display screen to shield some data, so that the data chart needs to be subjected to a reduction operation. For this case, the width W1 and height H1 of the reduced data chart are calculated, according to the present invention, wherein,and moving the scaled-down data graph to a new location having coordinates (0,0) in the upper left corner; and the width and height of the temporary data chart are set to W1 and H1, respectively. The calculation can enable the reduced data chart and the temporary data chart to be displayed on a display screen at the same time without overlapping, ensures the maximum reduction ratio Z, and avoids the situation that the user cannot clearly see the data in the chart due to too small reduction.
Step S352, ifIt is explained that the data chart is more biased toward the prolate, so (Xt, Yt) is set to 0 respectively,
step S354, ifIt is explained that the data chart is more biased toward slimness, and therefore (Xt, Yt) are set to be respectivelyYt＝0。
In step S356, step S400 is performed to display the data table and the temporary data table.
Step S370, ifAnd isThe data chart is small and is less than 1/4 of the display screen, and the power data chart in most cases conforms to the characteristic. In the present invention, in this case, the (Xe, Ye) and (Xs, Ys) are used) obtaining a dragging direction angle α of the mouse, and determining the dragging direction (four directions including up, down, left and right) of the legend according to the value of the α, wherein (Xs, Ys) is the coordinate of the center point of one or more legends dragged by the mouse under a screen coordinate system selected by a user, the dragging direction reflects the relative position of the temporary data chart expected by the user to appear on the data chart, and the dragging direction of the legend is determined according to the value of the α specifically as follows:
if 45, ifo≤α＜135oThen the drag direction is down.
If 135 are presento≤α＜225oThen the drag direction is to the left.
If 225o≤α＜315oThen the drag direction is upward.
If 315o≤α＜45oThen the drag direction is to the right.
To illustrate by way of a simple example, if the data diagram is located in the quadrant at point P1 in fig. 2, when the user drags the legend to the right, the present invention recognizes that the user wishes to display the temporary data diagram in the quadrant at point P2, and when the user drags the legend to the lower, the present invention recognizes that the user wishes to display the temporary data diagram in the quadrant at point P3.
In step S375, a new position of the data diagram and a position of the temporary data diagram are determined according to the dragging direction sum (Xo, Yo).
When the drag direction is downward, if D1<D2, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart areAndif D1>D2, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart, respectivelyIs composed ofAnd
when the drag direction is upward, if D3<D4, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart areAndif D3>D4, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
when the drag direction is to the right, if D1<D3, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart areAndif D1>D3, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
when the drag direction is to the left, if D2<D4, thenThe coordinates of the new position of the data diagram and the upper left corner of the position of the temporary data diagram are respectivelyAndif D2>D4, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
wherein,
step S380, setting the width and height of the temporary data chart to W0 and H0, respectively; then, step S400 is performed to display the data graph and the temporary data graph.
According to the steps of the invention, after the dragging action is executed for the electric power data charts with different sizes, the data charts and the temporary data charts can obtain reasonable display positions, so that an obvious comparison effect is formed, and meanwhile, a user does not need to perform secondary manual adjustment, so that the user experience is improved.
Further, according to the present invention, the data in the source data may be data manually entered by a user.
But preferably data obtained through an automated data interface (e.g., Web Service interface platform) of a diverse data source, thus avoiding the inefficiencies of large amounts of manual entries. More preferably, the data interface provides a unified data model, a unified data standard, and a unified data view.
According to the present invention, further, the data diagram and the temporary data diagram are displayed with different transparencies to facilitate user distinction.
Further, in accordance with the present invention, for temporary data charts, the user may drag them back to the data chart.
Further in accordance with the present invention, the temporary data schema and temporary source data are deleted upon closing of the application displaying the schema. Thus, the next time the data diagram is entered, the data diagram is in the initial state.
In another embodiment of the present invention, if the data chart is a pie chart, and the legend represents a sector, a column chart is automatically generated by default, and the chart formed by the dragged part is automatically aligned directly below the original chart. And if the part of data is to be dragged back to the original data chart, automatically deleting the generated chart and blending the data into the original chart.
In another embodiment of the present invention, for each dragged data, if the dragged legend is within three, the chart formed by the dragged part is automatically aligned below the original chart for displaying, if the dragged legend is more than three, an area is automatically divided on the right side of the original data table, the dragged data is cached, the dragged data is aligned and arranged in the area in the form of a dot diagram, the legend name of the data is acquired and displayed above the dot diagram, and when the data is needed, the fixed area is dragged.
Moreover, other implementations of the invention will be apparent to those skilled in the art from consideration of the specification of the invention disclosed herein. The embodiments and/or aspects of the embodiments can be used in the systems and methods of the present invention alone or in any combination. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (8)
1. The electric power data chart processing method based on drag recalculation is characterized in that the data chart comprises coordinates (Xo, Yo) of the upper left corner of the chart under a screen coordinate system and N legends, wherein N is the record number of source data associated with the data chart;
the method comprises the following steps:
step S100, detecting the dragging action of the mouse on one or more legends in the N legends, and obtaining the coordinates (Xe, Ye) of the mouse when the dragging action is finished;
step S200, if Xe is not less than Xe and not more than Xo + W and Yo is not less than Ye and not more than Yo + H, then no operation is performed; otherwise, creating temporary source data associated with the temporary data chart, wherein the records in the temporary source data are copies of the records in the source data corresponding to the legend dragged by the mouse;
step S300, determining the upper left-corner coordinates (Xt, Yt) and the display position of the temporary data chart according to the upper left-corner coordinates (Xo, Yo) of the data chart, the chart width W0, the chart height H0, the display screen width W and the display screen height H;
step S400, displaying the data chart and the temporary data chart;
the step S300 further includes:
step S310, ifAnd isThen (Xt, Yt) is set toYt is 0; meanwhile, moving the data chart to a new position, wherein the coordinates of the upper left corner of the new position are (0, 0); and the width and height of the temporary data chart are set to W0 and H0, respectively; then, step S400 is executed;
step S330, ifAnd isThen (Xt, Yt) is set to Xt ═ 0 respectively,meanwhile, moving the data chart to a new position, wherein the coordinates of the upper left corner of the new position are (0, 0); and the width and height of the temporary data chart are set to W0 and H0, respectively; then, step S400 is executed;
step S350, such asFruitAnd isThen the width W1 and height H1 of the reduced data chart are calculated, wherein,and moving the scaled-down data graph to a new location having coordinates (0,0) in the upper left corner; and the width and height of the temporary data chart are set to W1 and H1, respectively;
step S352, ifThen (Xt, Yt) is set to Xt ═ 0 respectively,
step S354, ifThen (Xt, Yt) is set toYt＝0；
Step S356, execute step S400;
step S370, ifAnd isobtaining a dragging direction angle α of the mouse according to (Xe, Ye) and (Xs, Ys), and determining the dragging direction of the legend according to the value of α, wherein the (Xs, Ys) is the center point of one or more legends dragged by the mouse and selected by the userCoordinates under a screen coordinate system;
step S375, determining a new position of the data diagram and a position of the temporary data diagram according to the dragging direction sum (Xo, Yo);
step S380, setting the width and height of the temporary data chart to W0 and H0, respectively; then, step S400 is performed.
2. The power data chart processing method according to claim 1, wherein the dragging direction includes four directions of up, down, left, and right.
3. the power data chart processing method according to claim 2, wherein in step S370, determining the drag direction to the legend according to the value of α specifically includes:
if the alpha is more than or equal to 45 degrees and less than α degrees, the dragging direction is downward;
if the angle alpha is more than or equal to 135 degrees and less than 225 degrees, the dragging direction is towards the left;
if the alpha is less than or equal to 225 degrees and less than 315 degrees, the dragging direction is upward;
if 315 ≦ α < 45 °, the drag direction is to the right.
4. The power data graph processing method according to claim 2, wherein the step S375 includes:
when the drag direction is downward, if D1<D2, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart areAndif D1>D2, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
when the drag direction is upward, if D3<D4, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart areAndif D3>D4, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
when the drag direction is to the right, if D1<D3, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart areAndif D1>D3, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
when the drag direction is to the left, if D2<D4, then the new location and nonce of the data chartAccording to the coordinates of the upper left corner of the position of the chart are respectivelyAndif D2>D4, the coordinates of the new position of the data chart and the upper left corner of the position of the temporary data chart are respectivelyAnd
wherein,
5. a power data graph processing method according to any one of claims 1 to 4, characterized in that said power data graph is a line graph or a bar graph.
6. A power data graph processing method according to any one of claims 1 to 4, wherein said source data is obtained through a data interface based on a Web Service interface platform.
7. A power data graph processing method according to claim 6, wherein said data interface provides a unified data model, a unified data standard and a unified data view.
8. A power data graph processing method according to any one of claims 1 to 4, wherein in step S200, a record corresponding to a legend dragged by the mouse is also masked in the source data.
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