CN105760476A - Flood risk map plotting system and method based on B/S structure - Google Patents
Flood risk map plotting system and method based on B/S structure Download PDFInfo
- Publication number
- CN105760476A CN105760476A CN201610084959.7A CN201610084959A CN105760476A CN 105760476 A CN105760476 A CN 105760476A CN 201610084959 A CN201610084959 A CN 201610084959A CN 105760476 A CN105760476 A CN 105760476A
- Authority
- CN
- China
- Prior art keywords
- flood risk
- data
- server
- flood
- user side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/40—Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Remote Sensing (AREA)
- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- Computer Graphics (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention provides a flood risk map plotting system and method based on a B/S structure.The method comprises the steps that a user side retrieves environment information data from a server, and flood risk factor data is generated through logical operation and saved in the server in a key value format; the server generates a first flood risk factor map layer according to the flood risk factor data; the user side sends basic parameter information acquired in advance to the server; the basic parameter information comprises one or more of the format, the resolution ratio, the drawing range, the mapsheet, the title, the explanatory note, the legend and the layout; the server generates a first flood risk map according to the basic parameter information and the first flood risk factor map layer; the user side displays the first flood risk map on a browser according to a browsing instruction acquired in advance.According to the flood risk map plotting system and method based on the B/S structure, the problems that a flood risk map drawn through the prior art is single in format and low in resolution ratio are solved.
Description
Technical field
The present invention relates to map cartography and geographical engineering technology field, publish picture system and method in particular to a kind of flood risk mapping based on B/S structure.
Background technology
Flood risk depends on many-sided key element such as Flood inducing factors, hazard-affected body and Disaster Defense Capability.Staple that flood risk is influential in flood Flood inducing factors, including Hong Yuan, method for flood submerged area, depth of the water submerging, submerged area and flood velocity, the flow direction etc.；Reflection hazard-affected body is included population, assets distribution and density etc. by the staple of flood influence；Disaster Defense Capability refers to that hazard-affected body body self resists the ability of flood, including the job facilities such as recovery capability, waterlogging prevention and standard etc. thereof after the anti-disaster ability of hazard-affected body, emergency response capability, calamity.Flood risk is the results set of above-mentioned risk elements combined influence.And flood risk mapping is as a kind of important non-engineering hazard mitigation measure, can be widely used in floodplain management, plan for flood control and Emergency decision, the condition of a disaster is assessed, resident takes refuge, Land_use change is developed, casualey insurance and public Countermeasure of Disaster.
In correlation technique, the common method that flood risk mapping is drawn is: adopt the client softwares such as ArcMap to carry out drawing and publishing picture, client graphics software operation interface is abundant, support to derive the high-resolution electronic chart of multiple format, but owing to client-side program needs just can use locally-installed, in today that the Internet and mobile Internet are fast-developing, the flood risk mapping that can not meet sing on web draws demand, to drawing management, the shared and application that the flood risk mapping performance data generated cannot be carried out concentrating.Another kind is based on the flood risk mapping of B/S structure and draws and go out diagram technology, it is not necessary to install client software, only need to by browser access.The many clients realizing sing on web access and carry out the demand of flood risk mapping drafting online, and interactivity is strong.
The existing flood risk mapping based on B/S structure is drawn and goes out diagram technology at present, the main technology adopting webpage capture generates flood risk mapping, the mode of its realization has two kinds: one is Flash sectional drawing, one is JavaScript sectional drawing, owing to being the technology adopting webpage capture, therefore can be only generated the flood risk mapping (such as png, jpg, gif, bmp) of picture format, and the flood risk mapping of EMF, EPS, AI, PDF, SVG, tiff format cannot be generated, therefore it is single to go out bitmap-format, resolution is low, it is impossible to meet multiple format and high-resolution requirement of publishing picture.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention be in that to provide a kind of Web of employing technology, GIS technology, database technique the flood risk mapping based on B/S structure draw and go out drawing method, with satisfied different map sheets, scale and high-resolution requirement of publishing picture.
First aspect, embodiments provide a kind of flood risk mapping based on B/S structure and go out drawing method, including: user side transfers environmental information data from server, generate flood risk factor data through logical operations, and described flood risk factor data is deposited in server with key assignments form；Described environmental information data include Fundamental Geographic Information Data and water conservancy thematic information data；
Server generates the first flood risk according to described flood risk factor data and wants sketch map layer；
The basic parameter information obtained in advance is sent to server by user side；Described basic parameter information includes following one or more, form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout；
Server wants sketch map layer to generate the first flood risk mapping according to described basic parameter information and described first flood risk；
First flood risk mapping, according to the browsing instructions obtained in advance, is shown by user side on a web browser.
In conjunction with first aspect, embodiments providing the first possible embodiment of first aspect, wherein, described server generates after the first flood risk wants sketch map layer according to described flood risk factor data, also includes:
User side is transferred described first flood risk and is wanted sketch map layer to generate the contour surface figure layer of vector format；
Described contour surface figure layer triggers the rendering module in described user side to carry out classification to flood risk factor data and renders, and renders figure layer obtaining classification；
Server is wanted sketch map layer and described classification to render figure layer according to described basic parameter information, described first flood risk and is generated the second flood risk mapping.
In conjunction with the first possible embodiment of first aspect, the second embodiments providing above-mentioned first aspect is likely to implementation, and wherein, flood risk factor data is carried out classification and renders and include by described rendering module:
User side transfers the grid chart layer data deposited in advance and described flood risk factor data from server；
Described flood risk factor data is assigned to described grid chart layer data, obtains the second flood risk and want sketch map layer；
Described second flood risk is wanted the flood risk factor data belonging to same grade in sketch map layer to merge by user side, to generate lamellar flood risk key element grid data；
Described lamellar flood risk key element grid data is carried out classification and renders by user side.
In conjunction with first aspect, embodiments provide the third possible implementation of above-mentioned first aspect, wherein, described user side arranges basic parameter information, and described basic parameter information is sent to server, described basic parameter information also includes after including form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout:
The flood risk factor data deposited in advance in server is sent to user side；
User side counts flood risk information according to flood risk factor data；
Server wants sketch map layer and described flood risk information to generate the 3rd flood risk mapping according to described parameter information, described first flood risk.
In conjunction with first aspect, embodiments provide the third possible implementation of above-mentioned first aspect, wherein, described user side arranges basic parameter information, and described basic parameter information is sent to server, described basic parameter information also includes after including form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout:
The rainfall deposited in advance in server and water level process data are sent to user side；
User side is according to described rainfall and water level process data genaration rainfall block diagram and water level process line chart；
Server wants sketch map layer and described rainfall and water level process line chart to generate the 4th flood risk mapping according to described parameter information, described first flood risk.
Second aspect, embodiments provides a kind of flood risk mapping based on B/S structure and draws and go out drawing system, and described system includes user side and server；
Described user side includes computing module, arranges module and display module, and described server includes figure layer generation module and the first risk map generation module；
Described computing module, for transferring environmental information data from server, generates flood risk factor data through logical operations, and with key assignments form, described flood risk factor data is deposited in server；Described environmental information data include Fundamental Geographic Information Data and water conservancy thematic information data；
Described figure layer generation module, wants sketch map layer for generating the first flood risk according to described flood risk factor data；
Described module is set, sends to server for the basic parameter information that will obtain in advance；Described basic parameter information includes following one or more, form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout；
Described first risk map generation module, for wanting sketch map layer to generate the first flood risk mapping according to described basic parameter information and described first flood risk；
Described display module, for according to the browsing instructions obtained in advance, being shown the first flood risk mapping on a web browser.
In conjunction with second aspect, embodiments providing the first possible embodiment of second aspect, wherein, described user side also includes classification rendering module, and described server also includes contour surface generation module and the second flood risk mapping generation module；
Described contour surface generation module, wants sketch map layer to generate the contour surface figure layer of vector format for transferring described first flood risk；
Described classification rendering module, carries out classification to flood risk factor data render for triggering described classification rendering module according to described contour surface figure layer, renders figure layer obtaining classification；
Described second flood risk mapping generation module, generates the second flood risk mapping for wanting sketch map layer and described classification to render figure layer according to described basic parameter information, described first flood risk.
In conjunction with the first possible embodiment of second aspect, embodiments providing the embodiment that the second of above-mentioned second aspect is possible, wherein, described classification rendering module includes transferring unit, assignment unit, merging unit and rendering unit；
Described transfer unit, for transferring the grid chart layer data deposited in advance and described flood risk factor data from server；
Described assignment unit, for described flood risk factor data is assigned to described grid chart layer data, obtains the second flood risk and wants sketch map layer；
Described merging unit, for wanting the flood risk factor data belonging to same grade in sketch map layer to merge described second flood risk, to generate lamellar flood risk key element grid data；
Described rendering unit, renders for described lamellar flood risk key element grid data is carried out classification.
In conjunction with second aspect embodiment of above, embodiments providing the third possible embodiment of second aspect, wherein, described user side also includes overlap analysis mode, and described server also includes the 3rd flood risk mapping generation module；
Described overlap analysis mode includes the first transmitting element, statistic unit；
Described first transmitting element, sends to user side for the flood risk factor data that will deposit in advance in server；
Described statistic unit, for counting flood risk information according to flood risk factor data；
Described 3rd flood risk mapping generation module, for wanting sketch map layer and described flood risk information to generate the 3rd flood risk mapping according to described parameter information, described first flood risk.
In conjunction with second aspect, embodiments providing the 4th kind of possible embodiment of second aspect, wherein, described user side also includes rainfall water level information and transfers module, and described server also includes the 4th flood risk mapping generation module；
Described rainfall water level information is transferred module and is included the second transmitting element, rainfall water level information generation unit；
Described second transmitting element, for sending the rainfall deposited in advance in server and water level process data to user side；
Described rainfall water level information generates unit, for according to described rainfall and water level process data genaration rainfall block diagram and water level process line chart；
Described 4th flood risk mapping generation module, for wanting sketch map layer and described rainfall and water level process line chart to generate the 4th flood risk mapping according to described parameter information, described first flood risk.
The flood risk mapping based on B/S structure that the embodiment of the present invention provides is published picture method and system, and user side transfers environmental information data from server, generates flood risk factor data through logical operations；Server generates the first flood risk according to flood risk factor data and wants sketch map layer；The basic parameter information obtained in advance is sent to server by user side；Server wants sketch map layer to generate the first flood risk mapping according to basic parameter information and the first flood risk；First flood risk mapping, according to the browsing instructions obtained in advance, is shown by user side on a web browser.The present invention flood risk mapping generation module by user side invoking server end, generates the flood risk mapping of vector format, solves to draw in prior art the problem that flood risk mapping resolution is low.
For making the above-mentioned purpose of the present invention, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, it is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only certain embodiments of the present invention, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 illustrates that a kind of flood risk mapping based on B/S structure that the embodiment of the present invention provides is published picture method flow diagram；
Fig. 2 illustrates that the classification that comprises that the embodiment of the present invention provides renders the method flow diagram of figure layer；
Fig. 3 illustrates the classification rendering intent flow chart based on mass data that the embodiment of the present invention provides；
Fig. 4 illustrates the method flow diagram comprising flood risk information that the embodiment of the present invention provides；
Fig. 5 illustrates that what the embodiment of the present invention provided comprises rainfall and the method flow diagram of water level process line chart；
Fig. 6 illustrates a kind of system construction drawing published picture based on the flood risk mapping of B/S structure that the embodiment of the present invention provides.
In accompanying drawing, digitized representation meaning is as follows:
10-user side
11-computing module
12-arranges module
13-display module
20-server
21-figure layer generation module
22-the first flood risk mapping generation module
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of the embodiment of the present invention that illustrate described in accompanying drawing herein.Therefore, below the detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit claimed the scope of the present invention, but is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the premise not making creative work, broadly fall into the scope of protection of the invention.
Consider that the existing flood risk mapping based on B/S structure of correlation technique goes out diagram technology, owing to being the technology adopting webpage capture, therefore can be only generated the flood risk mapping (such as png, jpg, gif, bmp) of picture format, and the flood risk mapping of EMF, EPS, AI, PDF, SVG, tiff format cannot be generated.Based on this, a kind of flood risk mapping based on B/S structure that the embodiment of the present invention provides goes out drawing method.It is described by the examples below.
Embodiment 1
As it is shown in figure 1, a kind of flood risk mapping based on B/S structure that the embodiment of the present invention provides goes out drawing method, including step S110～S150:
Step S110, user side 10 transfers environmental information data from server 20, generates flood risk factor data through logical operations, and with key assignments form, described flood risk factor data is deposited in server 20；Described environmental information data include Fundamental Geographic Information Data and water conservancy thematic information data.
Concrete, user side 10 transfers the process that process is dynamic load environmental information data of environmental information data from server 20.Above-mentioned user side 10 is Web browser, and in Web browser, " selection of the figure layer " button at risk mapping interface triggers request GIS dynamic Service superposition Fundamental Geographic Information Data and water conservancy thematic information data on GIS base map.Wherein, Fundamental Geographic Information Data mainly includes the infrastructure in administrative area, settlement place, river, lake, main traffic road, hospital, school, park.Water conservancy thematic information data mainly include survey station, dyke, sluice, pumping plant etc..
Logical operations process is to be calculated the flood risk factor data of the different sights generated at Web browser superposition hydraulic model (such as urban waterlogging model) by Flex technology, and flood risk factor data includes depth of the water submerging data, submerged area data, flood velocity data and the flood data time of advent.Now, click " Scheme Choice " button, trigger the protocol that request server 20 inquiry system has calculated, and the Scenario Name checked out is shown in interface for drawing user's selection.Wherein, computation schemes passes through interface setting design conditions, then pass through modeling calculating interface driver hydraulic model to be calculated, flood regime under these design conditions is simulated, calculating exports to data base interface by model result after terminating and imports in data base by result data according to certain list structure, facilitates the management of model result data and shares.With scheme for ultimate unit, a scheme is made up of a set of design conditions (input data) and result of calculation (output data), and user according to the different design conditions of different requirements set, can generate a numerical procedure.
Step S120, server 20 generates the first flood risk according to described flood risk factor data and wants sketch map layer.
Click " generation risk map " button, trigger request server 20 inquiry and load the maximum depth of the water submerging data of the program, submerged area data, Peak Flow Rate data and the flood data time of advent, generate the first flood risk and want sketch map layer, the scheme ID that parameter is the scheme that above-mentioned user selects of request transmission.
Step S130, the basic parameter information obtained in advance is sent to server 20 by user side 10；Basic parameter information includes following one or more, form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout.
The specific implementation process that basic parameter information is arranged for map sheet in arranging, press " map sheet layout " button, request server 20 loads predefined map sheet layout pattern and selects for drawing user, or new map sheet layout templates parameter is set by " self-defining image cloth office ", is provided with the map sheet layout templates that the template generation service creation triggering invoking server 20 end afterwards is new.The setting of other basic parameters such as title, explanatory note, legend and layout is similar with the operation of map sheet layout.
Step S140, server 20 wants sketch map layer to generate the first flood risk mapping according to basic parameter information and the first flood risk.
Concrete, server 20 described in step S140 includes the first flood risk mapping generation module 22, and this first flood risk mapping generation module 22 includes template and reads unit, data-reading unit and generation unit.Template reads unit and is used for reading MXD template；Data-reading unit is used for reading the first flood risk and wants sketch map layer, basic parameter information.Generating unit wants sketch map layer, basic parameter information and MXD template generation can support the first flood risk mapping of multiple format according to the first flood risk.The form supported includes the forms such as EMF, EPS, AI, PDF, SVG, TIFF, PNG, JPG, BMP.
Step S150, the first flood risk mapping, according to the browsing instructions obtained in advance, is shown by user side 10 on a web browser.
As an embodiment, after step S120, also include step S121～S123, as shown in Figure 2.
Step S121, user side 10 is transferred described first flood risk and is wanted sketch map layer to generate the contour surface figure layer of vector format.
Concrete, after step S120 has loaded maximum depth of the water submerging data, submerged area data, Peak Flow Rate data and the flood data time of advent, trigger the GIS contour surface Geoprocessing service of invoking server 20 end, generate the contour surface corresponding to maximum depth of the water submerging, submerged area, Peak Flow Rate and flood time of advent of Shape form (vector format) respectively.The parameter calling transmission is maximum depth of the water submerging, submerged area, Peak Flow Rate and the flood data time of advent, and depth of the water submerging, submerged area, Peak Flow Rate and flood grade scale time of advent acquiescence are with reference to the grade scale requirement in " flood risk mapping establishment technique detailed rules and regulations " (trying).
Step S122, contour surface figure layer triggers the rendering module in user side 10 to carry out classification to flood risk factor data and renders, and renders figure layer obtaining classification.
The GIS contour surface Geoprocessing service of user side 10 also provides the parameter dynamically arranging classification.The contour surface data generated return to Web page as returning result, now trigger Flex and render function and render contour surface or be directly based upon the maximum depth of the water submerging data of grid, submerged area data, Peak Flow Rate data and the flood data time of advent and carry out classification and render.
Step S123, server 20 is wanted sketch map layer and classification to render figure layer according to basic parameter information, the first flood risk and is generated the second flood risk mapping.
Concrete, flood risk factor data is carried out classification and renders and include S210～S240 by rendering module, as shown in Figure 3
Step S210, user side 10 transfers the grid chart layer data deposited in advance and flood risk factor data from server 20.
Flood risk factor data is deposited in object-oriented database, and the form (key assignments form) of data acquisition key-value stores.Key is Protocol Numbers (the analog result data of the corresponding grid flood risk factor data of each scheme), and value data type is the data object (clob) of big text, for depositing the flood risk factor data of grid.The numbering of grid adopts continuous print numeral to be encoded, and deposits the flood risk factor data of each grid in value data object according to the order of sequence, and the flood risk factor data of different grids adopts specific character to split.
When user accesses system, pre-loaded grid chart layer data, leaves in browser rs cache using grid chart layer data as template, therefore without obtaining grid chart layer data from server 20 end every time.
Step S220, is assigned to grid chart layer data by flood risk factor data, obtains the second flood risk and wants sketch map layer.
Step S230, the second flood risk is wanted the flood risk factor data belonging to same grade in sketch map layer to merge by user side 10, to generate lamellar flood risk key element grid data.
The mesh update that flood risk factor data value is belonged to same grade by GIS face figure layer folding is adopted to become a face, thus the grid number rendered being reduced to the classification number of grade, considerably reduce internal memory and the time overhead of browser renders grid, avoid the browser caused owing to rendering a large amount of grid data cannot operate, or even stuck phenomenon occurs.
Step S240, lamellar flood risk key element grid data is carried out classification and renders by user side 10.Grid is carried out classification when rendering, it is possible to the colour system that definition many sets classification renders.
The present invention achieves user side 10 end Fast rendering to mass data by above technical method.
Flood risk mapping based on B/S structure provided by the invention goes out drawing method, comprises basic parameter information, the first flood risk wants sketch map layer and classification to render figure layer in the second flood risk mapping ultimately generated.
As an embodiment, after step S130, also include step S131～S133, as shown in Figure 4.
Step S131, sends the flood risk factor data deposited in advance in server 20 to user side 10.
Step S132, user side 10 counts flood risk information according to flood risk factor data.
The detailed description of the invention of flood risk Information Statistics, presses " flood risk Information Statistics " button, triggers the overlay analysis service of request GIS.The overlay analysis service analysis of GIS counts the inundated area under different water depth, floods link length, floods cultivated area, impacted population, impacted important unit, impacted infrastructure equivalent risk information.After having added up, data store with the form of similar excel form, and eventually appear on flood risk mapping.
Step S133, server 20 wants sketch map layer and flood risk information to generate the 3rd flood risk mapping according to basic parameter information, the first flood risk.
Comprise basic parameter information in 3rd flood risk mapping figure, the first flood risk wants sketch map layer and flood risk information.
As an embodiment, after step S130, it is also possible to include step S134～S136, as shown in Figure 5.
Step S134, sends the rainfall deposited in advance in server 20 and water level process data to user side 10.
Step S135, user side 10 is according to rainfall and water level process data genaration rainfall block diagram and water level process line chart.
Step S136, server 20 wants sketch map layer and rainfall and water level process line chart to generate the 4th flood risk mapping according to basic parameter information, the first flood risk.
Rainfall and the water level process data of drawing the 4th flood risk mapping scheme read from Real-time Water rain condition data base and forecast hydrological data bank, and these data generate rainfall block diagram and water level process line diagram at Web browser end, and provide the function importing outside correlation graph.
The 4th flood risk mapping figure generated includes basic parameter information, the first flood risk wants sketch map layer and rainfall and water level process line chart.
Several possible embodiment being previously mentioned in embodiment 1 can combine mutually and form final flood risk mapping.Flood risk mapping except including basic parameter information, the first flood risk want sketch map layer may also include classification renders in figure layer, flood risk information, rainfall and water level process line chart one or more.
Embodiment 2
As shown in Figure 6, present invention also offers the flood risk mapping based on B/S structure corresponding with 1 offer method of embodiment and draw and go out drawing system, this system includes user side 10 and server 20.
User side 10 includes computing module 11, arranges module 12 and display module 13, and server 20 includes figure layer generation module 21 and the first flood risk mapping generation module 22.
Computing module 11, for transferring environmental information data from server 20, generates flood risk factor data through logical operations, and with key assignments form, described flood risk factor data is deposited in server 20；Described environmental information data include Fundamental Geographic Information Data and water conservancy thematic information data.
Concrete, user side 10 transfers the process that process is dynamic load environmental information data of environmental information data from server 20.Above-mentioned user side 10 is Web browser, and " selection of the figure layer " button at risk mapping interface triggers request GIS dynamic Service superposition Fundamental Geographic Information Data and water conservancy thematic information data on GIS base map.Wherein, Fundamental Geographic Information Data mainly includes the infrastructure in administrative area, settlement place, river, lake, main traffic road, hospital, school, park.Water conservancy thematic information data mainly include survey station, dyke, sluice, pumping plant etc..
Logical operations process is to be calculated the flood risk factor data of the different sights generated at Web browser superposition hydraulic model (such as urban waterlogging model) by Flex technology, and flood risk factor data includes depth of the water submerging data, submerged area data, flood velocity data and the flood data time of advent.Now, click " Scheme Choice " button, trigger the protocol that request server 20 inquiry system has calculated, and the Scenario Name checked out is shown in interface for drawing user's selection.Wherein, computation schemes passes through interface setting design conditions, then pass through modeling calculating interface driver hydraulic model to be calculated, flood regime under these design conditions is simulated, calculating exports to data base interface by model result after terminating and imports in data base by result data according to certain list structure, facilitates the management of model result data and shares.With scheme for ultimate unit, a scheme is made up of a set of design conditions (input data) and result of calculation (output data), and user according to the different design conditions of different requirements set, can generate a numerical procedure.
Figure layer generation module 21, wants sketch map layer for generating the first flood risk according to described flood risk factor data.
Module 12 is set, sends to server 20 for the basic parameter information that will obtain in advance；Described basic parameter information includes following one or more, form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout.
Basic parameter information arranges and includes wanting sketch map layer to be set the first flood risk, and finally processed by the first flood risk mapping generation module 22, generation can support multiple format (including the forms such as EMF, EPS, AI, PDF, SVG, TIFF, PNG, JPG, BMP) and the first flood risk mapping that resolution is high.
Basic parameter information arranges the setting also included drawing scope, map sheet, title, explanatory note, legend and layout.Wherein, drawing scope is used for determining flood risk mapping drawing area scope.Concrete, it is set to example with map sheet, press " map sheet layout " button, request server 20 loads predefined map sheet layout pattern and selects for drawing user, or new map sheet layout templates parameter is set by " self-defining image cloth office ", is provided with the map sheet layout templates that the template generation service creation triggering invoking server 20 end afterwards is new.
First flood risk mapping generation module 22, for wanting sketch map layer to generate the first flood risk mapping according to described basic parameter information and described first flood risk.
Display module 13, for according to the browsing instructions obtained in advance, being shown the first flood risk mapping on a web browser.
Concrete, the first flood risk mapping generation module 22 includes template and reads unit, data-reading unit and generation unit.Template reads unit and is used for reading MXD template；Data-reading unit is wanted sketch map layer, basic parameter information for reading the first flood risk and wants except the first flood risk the classification except sketch map layer, basic parameter information to render one or more of figure layer, flood risk information, rainfall block diagram and water level process line chart；Generate unit and want sketch map layer, basic parameter information, flood risk information, rainfall block diagram and water level process line chart and MXD template generation flood risk mapping according to the first flood risk.This flood risk mapping supports the forms such as EMF, EPS, AI, PDF, SVG, TIFF, PNG, JPG, BMP.
As an embodiment, user side 10 also includes classification rendering module, and server 20 also includes contour surface generation module and the second flood risk mapping generation module；
Contour surface generation module, wants sketch map layer to generate the contour surface figure layer of vector format for transferring described first flood risk.
After having loaded maximum depth of the water submerging data, submerged area data, Peak Flow Rate data and the flood data time of advent, GIS contour surface Geoprocessing service is called in triggering, generates the maximum depth of the water submerging of Shape form (vector format), submerged area, Peak Flow Rate and the flood contour surface time of advent respectively.The parameter calling transmission is maximum depth of the water submerging, submerged area, Peak Flow Rate and the flood data time of advent, and depth of the water submerging, submerged area, Peak Flow Rate and flood grade scale time of advent acquiescence are with reference to the grade scale requirement in " flood risk mapping establishment technique detailed rules and regulations " (trying).
Classification rendering module, carries out classification to flood risk factor data render for triggering described classification rendering module according to described contour surface figure layer, renders figure layer obtaining classification.
User side 10GIS contour surface Geoprocessing service also provides the parameter dynamically arranging classification, the contour surface data generated return to Web page as returning result, trigger Flex and render function and render contour surface or be directly based upon the maximum depth of the water submerging data of grid, submerged area data, Peak Flow Rate data and the flood data time of advent and carry out classification and render.
Second risk map generation module, generates the second flood risk mapping for wanting sketch map layer and described classification to render figure layer according to described basic parameter information, described first flood risk
Wherein, classification rendering module includes transferring unit, assignment unit, merging unit and rendering unit.
Transfer unit, for transferring the grid chart layer data deposited in advance and described flood risk factor data from server 20.
Flood risk factor data is deposited in object-oriented database, the form (key assignments form) of data acquisition key-value stores, key is Protocol Numbers (the analog result data of the corresponding grid flood risk factor data of each scheme), value data type is that the data object (clob) of big text is for depositing the flood risk factor data of grid, the numbering of grid adopts continuous print numeral to be encoded, value data object is deposited the flood risk factor data of each grid according to the order of sequence, the flood risk factor data of different grids adopts specific character to split.
When user accesses system, pre-loaded grid chart layer data, leaves in browser rs cache using grid chart layer data as template, it is not necessary to obtain grid chart layer data from server 20 end every time.
Assignment unit, for described flood risk factor data is assigned to described grid chart layer data, obtains the second flood risk and wants sketch map layer.
Merge unit, for wanting the flood risk factor data belonging to same grade in sketch map layer to merge described second flood risk, to generate lamellar flood risk key element grid data.
The mesh update that flood risk factor data value is belonged to same grade by GIS face figure layer folding is adopted to become a face, thus the grid number rendered being reduced to the classification number of grade, considerably reduce internal memory and the time overhead of browser renders grid, avoid the browser caused owing to rendering a large amount of grid data cannot operate, or even stuck phenomenon occurs.
Rendering unit, renders for described lamellar flood risk key element grid data is carried out classification.
Grid is carried out classification when rendering, it is possible to the colour system that definition many sets classification renders.
As an embodiment, user side 10 also includes overlap analysis mode, and server 20 also includes the 3rd flood risk mapping generation module.
Overlap analysis mode includes the first transmitting element, statistic unit.
First transmitting element, sends to user side 10 for the flood risk factor data that will deposit in advance in server 20.
Statistic unit, for counting flood risk information according to flood risk factor data.
The detailed description of the invention of flood risk Information Statistics, press " flood risk Information Statistics " button, the overlay analysis service of request GIS, analytic statistics goes out the inundated area under different water depth, floods link length, floods cultivated area, impacted population, impacted important unit, impacted infrastructure equivalent risk information.After having added up, data store with the form of similar excel form, eventually appear on flood risk mapping.
3rd flood risk mapping generation module, for wanting sketch map layer and described flood risk information to generate the 3rd flood risk mapping according to described parameter information, described first flood risk.
As an embodiment, user side 10 also includes rainfall water level information and transfers module, and server 20 also includes the 4th flood risk mapping generation module.
Rainfall water level information is transferred module and is included the second transmitting element, rainfall water level information generation unit.
Second transmitting element, for sending the rainfall deposited in advance in server 20 and water level process data to user side 10.
Rainfall water level information generates unit, for according to described rainfall and water level process data genaration rainfall block diagram and water level process line chart.
4th flood risk mapping generation module, for wanting sketch map layer and described rainfall and water level process line chart to generate the 4th flood risk mapping according to described parameter information, described first flood risk.
Rainfall and the water level process data of drawing the 4th flood risk mapping scheme read from Real-time Water rain condition data base and forecast hydrological data bank, and these data generate rainfall block diagram and water level process line diagram at Web browser end, and provide the function importing outside correlation graph.The 4th flood risk mapping figure generated includes basic parameter information, the first flood risk wants sketch map layer and rainfall and water level process line chart.
Several possible embodiment being previously mentioned in embodiment 2 can combine mutually and form final flood risk mapping.Flood risk mapping except including basic parameter information, the first flood risk want sketch map layer may also include classification renders in figure layer, flood risk information, rainfall and water level process line chart one or more.
In several embodiments provided herein, it should be understood that disclosed system and method, it is possible to realize by another way.System embodiment described above is merely schematic.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (10)
1. one kind goes out drawing method based on the flood risk mapping of B/S structure, it is characterised in that including:
User side transfers environmental information data from server, generates flood risk factor data through logical operations, and with key assignments form, described flood risk factor data is deposited in server；Described environmental information data include Fundamental Geographic Information Data and water conservancy thematic information data；
Server generates the first flood risk according to described flood risk factor data and wants sketch map layer；
The basic parameter information obtained in advance is sent to server by user side；Described basic parameter information includes following one or more, form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout；
Server wants sketch map layer to generate the first flood risk mapping according to described basic parameter information and described first flood risk；
First flood risk mapping, according to the browsing instructions obtained in advance, is shown by user side on a web browser.
2. a kind of flood risk mapping based on B/S structure according to claim 1 goes out drawing method, it is characterised in that generates according to described flood risk factor data after the first flood risk wants sketch map layer in server described in step, also includes:
User side is transferred described first flood risk and is wanted sketch map layer to generate the contour surface figure layer of vector format；
Described contour surface figure layer triggers the rendering module in described user side to carry out classification to flood risk factor data and renders, and renders figure layer obtaining classification；
Server is wanted sketch map layer and described classification to render figure layer according to described basic parameter information, described first flood risk and is generated the second flood risk mapping.
3. a kind of flood risk mapping based on B/S structure goes out drawing method according to claim 2, it is characterised in that flood risk factor data is carried out classification and renders and include by described rendering module:
User side transfers the grid chart layer data deposited in advance and described flood risk factor data from server；
Described flood risk factor data is assigned to described grid chart layer data, obtains the second flood risk and want sketch map layer；
Described second flood risk is wanted the flood risk factor data belonging to same grade in sketch map layer to merge by user side, to generate lamellar flood risk key element grid data；
Described lamellar flood risk key element grid data is carried out classification and renders by user side.
4. a kind of flood risk mapping based on B/S structure goes out drawing method according to claim 1, it is characterized in that, in user side described in step, basic parameter information is set, and described basic parameter information is sent to server, described basic parameter information also includes after including form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout:
The flood risk factor data deposited in advance in server is sent to user side；
User side counts flood risk information according to flood risk factor data；
Server wants sketch map layer and described flood risk information to generate the 3rd flood risk mapping according to described basic parameter information, described first flood risk.
5. a kind of flood risk mapping based on B/S structure goes out drawing method according to claim 1, it is characterized in that, in user side described in step, basic parameter information is set, and described basic parameter information is sent to server, described basic parameter information also includes after including form, resolution, drawing scope, map sheet, title, explanatory note, legend and layout:
The rainfall deposited in advance in server and water level process data are sent to user side；
User side is according to described rainfall and water level process data genaration rainfall block diagram and water level process line chart；
Server wants sketch map layer and described rainfall and water level process line chart to generate the 4th flood risk mapping according to described basic parameter information, described first flood risk.
6. one kind goes out drawing system based on the flood risk mapping of B/S structure, it is characterised in that include user side and server；
Described user side includes computing module, arranges module and display module, and described server includes figure layer generation module and the first flood risk mapping generation module；
Described computing module, for transferring environmental information data from server, generates flood risk factor data through logical operations, and with key assignments form, described flood risk factor data is deposited in server；Described environmental information data include Fundamental Geographic Information Data and water conservancy thematic information data；
Described figure layer generation module, wants sketch map layer for generating the first flood risk according to described flood risk factor data；
Described module is set, sends to server for the basic parameter information that will obtain in advance；Described basic parameter information includes following one or more, form, resolution map sheet, title, explanatory note, legend and layout；
Described first flood risk mapping generation module, for wanting sketch map layer to generate the first flood risk mapping according to described basic parameter information and described first flood risk；
Described display module, for according to the browsing instructions obtained in advance, being shown the first flood risk mapping on a web browser.
7. a kind of flood risk mapping based on B/S structure according to claim 6 goes out drawing system, it is characterised in that described user side also includes classification rendering module, and described server also includes contour surface generation module and the second flood risk mapping generation module；
Described contour surface generation module, wants sketch map layer to generate the contour surface figure layer of vector format for transferring described first flood risk；
Described classification rendering module, carries out classification to flood risk factor data render for triggering described classification rendering module according to described contour surface figure layer, renders figure layer obtaining classification；
Described second flood risk mapping generation module, generates the second flood risk mapping for wanting sketch map layer and described classification to render figure layer according to described basic parameter information, described first flood risk.
8. one one kinds of flood risk mappings based on B/S structure according to claim 7 go out drawing system, it is characterised in that described classification rendering module includes transferring unit, assignment unit, merging unit and rendering unit；
Described transfer unit, for transferring the grid chart layer data deposited in advance and described flood risk factor data from server；
Described assignment unit, for described flood risk factor data is assigned to described grid chart layer data, obtains the second flood risk and wants sketch map layer；
Described merging unit, for wanting the flood risk factor data belonging to same grade in sketch map layer to merge described second flood risk, to generate lamellar flood risk key element grid data；
Described rendering unit, renders for described lamellar flood risk key element grid data is carried out classification.
9. a kind of flood risk mapping based on B/S structure according to claim 6 goes out drawing system, it is characterised in that described user side also includes overlap analysis mode, and described server also includes the 3rd flood risk mapping generation module；
Described overlap analysis mode includes the first transmitting element, statistic unit；
Described first transmitting element, sends to user side for the flood risk factor data that will deposit in advance in server；
Described statistic unit, for counting flood risk information according to flood risk factor data；
Described 3rd flood risk mapping generation module, for wanting sketch map layer and described flood risk information to generate the 3rd flood risk mapping according to described parameter information, described first flood risk.
10. a kind of flood risk mapping based on B/S structure according to claim 6 goes out drawing system, it is characterised in that described user side also includes rainfall water level information and transfers module, and described server also includes the 4th flood risk mapping generation module；
Described rainfall water level information is transferred module and is included the second transmitting element, rainfall water level information generation unit；
Described second transmitting element, for sending the rainfall deposited in advance in server and water level process data to user side；
Described rainfall water level information generates unit, for according to described rainfall and water level process data genaration rainfall block diagram and water level process line chart；
Described 4th flood risk mapping generation module, for wanting sketch map layer and described rainfall and water level process line chart to generate the 4th flood risk mapping according to described parameter information, described first flood risk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610084959.7A CN105760476A (en) | 2016-02-14 | 2016-02-14 | Flood risk map plotting system and method based on B/S structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610084959.7A CN105760476A (en) | 2016-02-14 | 2016-02-14 | Flood risk map plotting system and method based on B/S structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105760476A true CN105760476A (en) | 2016-07-13 |
Family
ID=56330004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610084959.7A Pending CN105760476A (en) | 2016-02-14 | 2016-02-14 | Flood risk map plotting system and method based on B/S structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105760476A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108544A (en) * | 2017-12-15 | 2018-06-01 | 河南省水利勘测设计研究有限公司 | The light-weighted method of flood risk analysis simulation system two dimension hydrodynamics result data |
| CN113223114A (en) * | 2021-05-11 | 2021-08-06 | 西安市勘察测绘院 | Drilling histogram generation method, system and equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140278561A1 (en) * | 2013-03-14 | 2014-09-18 | Stoneriver National Flood Services, Inc. | Computerized system and method for determining flood risk |
| CN104485054A (en) * | 2014-12-31 | 2015-04-01 | 贵州东方世纪科技股份有限公司 | Method for drawing dynamic flood risk map |
| CN104851360A (en) * | 2014-02-14 | 2015-08-19 | 杭州贵仁科技有限公司 | Method and system for generating flood risk map |
-
2016
- 2016-02-14 CN CN201610084959.7A patent/CN105760476A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140278561A1 (en) * | 2013-03-14 | 2014-09-18 | Stoneriver National Flood Services, Inc. | Computerized system and method for determining flood risk |
| CN104851360A (en) * | 2014-02-14 | 2015-08-19 | 杭州贵仁科技有限公司 | Method and system for generating flood risk map |
| CN104485054A (en) * | 2014-12-31 | 2015-04-01 | 贵州东方世纪科技股份有限公司 | Method for drawing dynamic flood risk map |
Non-Patent Citations (1)
| Title |
|---|
| 刘鹏等: ""基于WebGIS的流域洪水风险图信息发布系统"", 《计算机与数字工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108544A (en) * | 2017-12-15 | 2018-06-01 | 河南省水利勘测设计研究有限公司 | The light-weighted method of flood risk analysis simulation system two dimension hydrodynamics result data |
| CN108108544B (en) * | 2017-12-15 | 2021-06-15 | 河南省水利勘测设计研究有限公司 | Method for lightening two-dimensional hydrodynamics result data of flood analysis simulation system |
| CN113223114A (en) * | 2021-05-11 | 2021-08-06 | 西安市勘察测绘院 | Drilling histogram generation method, system and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sanders et al. | ParBreZo: A parallel, unstructured grid, Godunov-type, shallow-water code for high-resolution flood inundation modeling at the regional scale | |
| EP2560143B1 (en) | Generating and serving tiles in a digital mapping system | |
| Grabowski et al. | Characterizing geomorphological change to support sustainable river restoration and management | |
| US7599790B2 (en) | Generating and serving tiles in a digital mapping system | |
| CN110502594B (en) | Real-time fusion and online updating method for map tiles of remote sensing image | |
| EP1738329B1 (en) | Generating and serving tiles in a digital mapping system | |
| Reed | Deriving flow directions for coarse‐resolution (1–4 km) gridded hydrologic modeling | |
| Ling et al. | Waterline mapping at the subpixel scale from remote sensing imagery with high‐resolution digital elevation models | |
| CN108053458A (en) | A kind of watershed generalization figure based on GIS-Geographic Information System makes and methods of exhibiting | |
| CN110047371B (en) | Rendering method and device of vector electronic map | |
| CN105760476A (en) | Flood risk map plotting system and method based on B/S structure | |
| Xu et al. | Comparative assessment of gridded population data sets for complex topography: A study of Southwest China | |
| Ovejero-Campos et al. | Methodological limitations of CLC to assess land cover changes in coastal environments | |
| CN110502595A (en) | A method of picking up longitude and latitude information from planning map | |
| CN113157988B (en) | Method and device for representing geographic information by OFD format file | |
| Xu et al. | Urban flooding resilience evaluation with coupled rainfall and flooding models: A small area in Kunming City, China as an example | |
| Zhang et al. | Design and implementation of levee project information management system based on WebGIS | |
| CN104317972B (en) | A kind of dynamic layer inducing method and system | |
| CN114820967B (en) | Layered image data real-time drawing method and system | |
| CN110992134B (en) | Customization method and terminal of ocean forecast product | |
| CN111339232B (en) | Method for applying weather radar standard format base data in geographic information system | |
| CN114595301A (en) | Tile data acquisition method, device, equipment and storage medium | |
| Carrera-Hernández | Vertical datum transformation grids for Mexico | |
| CN112395445A (en) | Vector data online calculation method and device | |
| Liu et al. | Fusing multiscale charts into 3D ENC systems based on underwater topography and remote sensing image |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160713 |