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Method and system for establishing time-division graph

A method and time-based technology, which is applied in the establishment of time-division diagrams and the system field, can solve problems such as subjective factor errors and heavy drawing workload, and achieve the effects of reducing errors, improving drawing efficiency, and facilitating implementation

Inactive Publication Date: 2017-03-15
福建中金在线信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Drawing technology can describe the stock trend, etc., which can reflect the current laws very intuitively, but relying on artificial drawing, due to the fast update speed, the workload of drawing is very huge, and it is easy to cause subjective factors in the drawing process. mistake

Method used

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  • Method and system for establishing time-division graph
  • Method and system for establishing time-division graph
  • Method and system for establishing time-division graph

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Experimental program
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specific Embodiment approach

[0044] 1. candlestick chart

[0045] Step 1: In the OC language, when performing statistical analysis on a large amount of data, there is no method that can intuitively reflect its trend. However, the OC language provides drawing-related technologies. The drawing method is to call the API provided in OC, that is, text, pictures, points and lines can be drawn on the display interface;

[0046] Step 2: For the realization of the K-line chart, knowledge related to the Bezier curve is required. First, the data source is obtained from the server, such as the relevant data of a stock, and the corresponding index at different times , based on these data, I can choose a baseline, such as the data at the beginning of the data source, other data fluctuates along the baseline, and the difference between other data and the baseline data is composed of time Coordinate points, take the first quadrant and the fourth quadrant as the canvas on the x-y coordinate axis for drawing

[0047] Ste...

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PUM

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Abstract

Provided in the invention is a method for establishing a time-division graph. Two coordinate systems are established by using time as an X axis and data as a Y axis and a data source is obtained from a database of a server; data in the data source correspond to time one by one to form coordinate points; in one coordinate system, a straight line between each two adjacent coordinate points is drawn according to a bezier curve principle and the adjacent straight lines are connected mutually to form a broken line graph; and corresponding histograms are made based on the coordinate points in another coordinate system; and the X axes of the two coordinate systems are combined, thereby realizing combination of the broken line graph and the histograms. In addition, the invention also provides a system for establishing a time-division graph. Therefore, the graph drawing efficiency is improved substantially.

Description

technical field [0001] The invention relates to a method and system for establishing a time-division graph. Background technique [0002] Drawing technology can describe the stock trend, etc., which can reflect the current laws very intuitively, but relying on artificial drawing, due to the fast update speed, the workload of drawing is very huge, and it is easy to cause subjective factors in the drawing process. mistake. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method and system for establishing a time-division graph, which greatly improves the efficiency of graphing. [0004] One of the present invention is achieved like this: a kind of establishment method of time-division graph comprises the following steps: [0005] Step 1. Set up two coordinate systems with time as the X axis and data as the Y axis, and obtain the data source from the database of the server; [0006] Step 2. Corresponding the dat...

Claims

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Application Information

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IPC IPC(8): G06T11/20G06Q40/04
CPCG06T11/206G06Q40/04G06T11/203
Inventor 沈文策
Owner 福建中金在线信息科技有限公司