CN103177400A - Multifunctional rainfall information graphic display component construction method based on Flex - Google Patents

Multifunctional rainfall information graphic display component construction method based on Flex Download PDF

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Publication number
CN103177400A
CN103177400A CN2013100798888A CN201310079888A CN103177400A CN 103177400 A CN103177400 A CN 103177400A CN 2013100798888 A CN2013100798888 A CN 2013100798888A CN 201310079888 A CN201310079888 A CN 201310079888A CN 103177400 A CN103177400 A CN 103177400A
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CN
China
Prior art keywords
data
rainfall information
rainfall
information
flex
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Pending
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CN2013100798888A
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Chinese (zh)
Inventor
王志坚
周发超
叶枫
娄渊胜
许峰
杨少松
任向林
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Hohai University HHU
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Hohai University HHU
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Priority to CN2013100798888A priority Critical patent/CN103177400A/en
Publication of CN103177400A publication Critical patent/CN103177400A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/40Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping

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Abstract

The invention discloses a multifunctional rainfall information graphic display component construction method based on Flex. The method includes: designing an overall frame of a multifunctional rainfall information graphic display component; designing a data interface for receiving rainfall data and additive attribute data transmitted from outside; realizing a data analyzing function of the component, namely analyzing and processing the received data and additive attribute data; realizing a rainfall information graphic display interface dynamic generation function; realizing a historical rainfall condition comparing function on the graphic interface; and realizing an user-component interaction and information prompt function. A mechanism allowing a user to learn about current rainfall information timely and visually is provided, display, analyzing and comparing capability of rainfall information is improved, and the multifunctional rainfall information graphic display component is widely applicable to operation systems, developed by Flex, such as water transfer, flood and draught prevention and demand irrigation.

Description

Construction method based on the multi-functional rainfall information graphic component exhibiting of Flex
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Technical field
The present invention relates to a kind of constructing method of component of graphical displaying, analysis and the contrast based on water message area particular data, specifically, be a kind of to the rainfall information data with multifunction graphics displaying, analysis and contrast constructing method of component, belong to the Web applied technical field of water information specific area.
Background technology
Show data by figure in mode integrally, have intuitively, effect easily, can allow the user can understand rapidly numerical value, trend and the contrast situation etc. of data, thereby can analyze more exactly, assessment and decision-making.
Water conservancy industry belongs to the intensive industry of information, and the basic information data take water rain condition as representative is of crucial importance.Can wherein, rainfall information be affected by region, season etc. often, difference, is changed significantly, and data volume is also very large, therefore in time the rainfall information that measures is represented quickly and accurately, analyzes and makes a policy, and relation national economy.
Current, in the Water Conservancy Information field, to rainfall information take standardized graphical demonstration, analytic unit still as blank, this express-analysis to the rain condition situation, decision support is not enough.Can say, not yet produce the modular unit of a demonstration maturation, that can be widely used and analysis rainfall information at present in Water Resources Domain.
Summary of the invention
Goal of the invention: for problems of the prior art, the invention provides a kind of method of the multi-functional rainfall information graphic component exhibiting that builds as support with the Flex technology, for the Water Resources Domain worker provides an analysis tool of can the express-analysis rainfall data and making a policy.
Technical scheme: for achieving the above object, the present invention utilizes third party's plug-in unit amcharts for Flex as the instrument of graphing, after importing rainfall data into, with patterned mode display data; At first, need to set up the framework of rainfall information graphic assembly, comprising figure, legend sub-component, transverse axis, longitudinal axis title show sub-component, and many curve comparisons chain of command plank container and assembly style are controlled sub-container; Import the interface of data by offering the user into, receive the various control informations except rainfall data and demonstration information that the user is imported into, each sub-component content that abundant fill assembly is interior or dynamically generate sub-component and fill each sub-container; User and assembly carry out alternately, obtain the information of oneself wanting by graphic assembly analysis data.
Main performing step is as follows:
Step 1: the general frame of setting up multi-functional rainfall information graphic component exhibiting;
Step 2: rainfall data and adeditive attribute data that the data-interface of design component transmits in order to receive the outside;
Step 3: realize the analytical capabilities of assembly, rain condition data and the adeditive attribute data namely imported into according to the user realize importing the dissection process of data into;
Step 4: the dynamic systematic function of realizing rainfall information pattern exhibiting interface;
Step 5: realize the historical rain condition comparing function on graphical interfaces;
Step 6: realize that user and assembly carry out mutual and information prompting function.
Preferably, in described step 3, the data structure of the rainfall information data that the user is imported into converts the ArrayCollection form to, satellite information is all provided with the array form, with rainfall information coefficient certificate and the equal changed string type of satellite information data type.
Preferably, in described step 4, for the rainfall information data that parse, adopt the histogram form to show.
Preferably, in described step 4, know from experience and greatly reduce system running speed owing to introducing Chinese word, the transverse axis of graphing and the longitudinal axis title mode with picture is presented.
The present invention adopts technique scheme, has following beneficial effect: can local the zoom in or out indication range of graph data of user, derive thematic map as required; ArrayCollection is the acceptable data structure of drawing plug-in unit, the data type of all data adopts character string type, the user needn't consider the data type problem fully, and the control information translation data type of being imported into according to the user by assembly itself, development efficiency is more efficient; The graph-based of rainfall information only has the histogram form a kind of, in this assembly the figure drawn out of with good grounds rainfall information be histogram, meet the specialty needs, accuracy is more guaranteed; The user need not consider how rainfall data is graphically presented, and gets final product and only need to import data message and the control information of filling sub-component into; The transverse axis of graphing and longitudinal axis title present in the mode of picture can solve the problem that flex does not support the built-in front rotation under the prerequisite that does not reduce assembly operating speed.
Description of drawings
Fig. 1 is the system assumption diagram of the embodiment of the present invention;
Fig. 2 is the method flow diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As shown in Figure 2, the concrete technical scheme of native system comprises the steps:
Step 1: the general frame of setting up assembly.Set up a MXML component file on the page, adopt absolute layout type, then put into necessary sub-component or sub-container in this file, comprise the Label control for the display graphics title, the Label control of display graphics search condition, the TitleWindow control that shows the legend control, the Image of the transverse axis of display graphics and longitudinal axis caption text, Label control, be used for showing the control panel Canvas control of single station data or multistation correlation data, the control panel Canvas control that is used for changing the assembly style and derives thematic map.
Step 2: write corresponding getting/setting method, receive the data that the user is imported into, the rainfall information data that comprise graphed, the figure heading message, search condition information, transverse axis and longitudinal axis heading message, whether data source is the attribute-name of multistation correlation data time field, whether needs the methods such as parsing time before drawing.
Step 3: after user's initialization component, in method according to step 2, needed data structure is imported the data of needs into.The data structure of the rainfall information data that the user is imported into converts the ArrayCollection form to, satellite information is all provided with the array form, with rainfall information coefficient certificate and the equal changed string type of satellite information data type.
Step 4: resolve the data that the user is imported into, needed to obtain following information before drawing: the character data whether user needs to have date format resolves to date type, whether transverse axis needs rotational display, and whether rainfall data is correlation data, the survey station quantity of contrast.By these information, assembly can be filled user data each assembly automatically, and draws out corresponding rainfall data column figure line, and the transverse axis of graphing and longitudinal axis title present in the mode of picture, the process of drawing that is to say the course of work of this assembly, as shown in Figure 1.
Step 5: user and component interaction, wherein specifically comprise following operation format: amplify, dwindle figure, local amplification data close quarters figure line, the data-intensive regional figure line of subcontract, figure line is optionally closed, hidden to the background colour in self-defined figure zone, each figure line color, switches to show two kinds of views etc., after the datagraphic that obtains expecting, can derive thematic map and be further analyzed.

Claims (5)

1. the construction method based on the multi-functional rainfall information graphic component exhibiting of Flex, is characterized in that, comprises the steps:
Step 1: the general frame of setting up multi-functional rainfall information graphic component exhibiting;
Step 2: rainfall data and adeditive attribute data that the data-interface of design component transmits in order to receive the outside;
Step 3: realize the analytical capabilities of assembly, rain condition data and the adeditive attribute data namely imported into according to the user realize importing the dissection process of data into;
Step 4: the dynamic systematic function of realizing rainfall information pattern exhibiting interface;
Step 5: realize the historical rain condition comparing function on graphical interfaces;
Step 6: realize that user and assembly carry out mutual and information prompting function.
2. the construction method of the multi-functional rainfall information graphic component exhibiting based on Flex as claimed in claim 1, it is characterized in that, in described step 3, the data structure of the rainfall information data that the user is imported into converts the ArrayCollection form to, satellite information is all provided with the array form, with rainfall information coefficient certificate and the equal changed string type of satellite information data type.
3. the construction method of the multi-functional rainfall information graphic component exhibiting based on Flex as claimed in claim 1, is characterized in that, in described step 4, for the rainfall information data that parse, adopts the histogram form to show.
4. the construction method of the multi-functional rainfall information graphic component exhibiting based on Flex as claimed in claim 1, it is characterized in that: in described step 4, before the graphing assembly, need to according to step 3, obtain following information: 1) figure title and search condition; 2) title content of transverse axis, the longitudinal axis and legend information; 3) the rainfall information data are multistation correlation data or single station data.
5. the construction method of the multi-functional rainfall information graphic component exhibiting based on Flex as claimed in claim 1 is characterized in that: in described step 4, the transverse axis of graphing and the longitudinal axis title mode with picture is presented.
CN2013100798888A 2013-03-13 2013-03-13 Multifunctional rainfall information graphic display component construction method based on Flex Pending CN103177400A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207784A (en) * 2013-04-08 2013-07-17 河海大学 Construction method of multifunctional hydrological information graphical display component based on Flex
CN112597414A (en) * 2020-11-25 2021-04-02 中科三清科技有限公司 Pollutant observation data processing method and system, electronic equipment and storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102289730A (en) * 2011-06-27 2011-12-21 中国建设银行股份有限公司 Graphic showing system and method for group customer relation management
US20110314152A1 (en) * 2010-06-21 2011-12-22 Chad Loder Systems and methods for determining compliance of references in a website

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110314152A1 (en) * 2010-06-21 2011-12-22 Chad Loder Systems and methods for determining compliance of references in a website
CN102289730A (en) * 2011-06-27 2011-12-21 中国建设银行股份有限公司 Graphic showing system and method for group customer relation management

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张澄铖: "《基于Flex技术的气象WebGIS研究与应用》", 《中国优秀硕士学位论文全文数据库基础科学辑(月刊)》 *
徐芬: "《Flex技术在自动气象站观测网中的应用》", 《气象科学》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207784A (en) * 2013-04-08 2013-07-17 河海大学 Construction method of multifunctional hydrological information graphical display component based on Flex
CN112597414A (en) * 2020-11-25 2021-04-02 中科三清科技有限公司 Pollutant observation data processing method and system, electronic equipment and storage medium
CN112597414B (en) * 2020-11-25 2022-03-08 中科三清科技有限公司 Pollutant observation data processing method and system, electronic equipment and storage medium

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Application publication date: 20130626