CN103942333A - Natural disaster historical data processing and display method - Google Patents
Natural disaster historical data processing and display method Download PDFInfo
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- CN103942333A CN103942333A CN201410187024.2A CN201410187024A CN103942333A CN 103942333 A CN103942333 A CN 103942333A CN 201410187024 A CN201410187024 A CN 201410187024A CN 103942333 A CN103942333 A CN 103942333A
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- historical data
- disaster historical
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- 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
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- 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
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a natural disaster historical data processing and display method. The natural disaster historical data processing and display method comprises the following steps that (1) a geographic base map is drawn; (2) natural disaster historical data are structuralized, a plurality of sets of natural disaster historical data are stored in a structured database to form structuralized data; (3) the number of segmentation time intervals is set; (4) the structuralized natural disaster historical data are segmented according to the set time intervals, the data of various segments are converted into graphs, and the graphs are displayed on the geographic base map. According to the natural disaster historical data processing and display method, the technical problem that existing natural disaster historical data are not visually displayed and low in efficiency is solved.
Description
Technical field
The invention belongs to the technical field of computer information processing sequential data, relate to a kind of computer graphical methods of exhibiting of particular sequence data, relate in particular to a kind of disaster historical data and process and methods of exhibiting.
Background technology
The displaying of disaster historical data, because its data volume is large, is difficult to show dynamically by simple data processing.And by simplification and structuring to disaster historical data, be three groups of numerical value by each numerous and diverse disaster data reduction, the line operate of going forward side by side is realized Dynamic Display, and this data processing and methods of exhibiting efficiency are high, and effect is directly perceived.Intuitive judgment to disaster periodicity pests occurrence rule provides effective methods of exhibiting.
Summary of the invention
In order to solve above-mentioned technical matters, the object of the present invention is to provide a kind of disaster historical data to process and methods of exhibiting, be intended to solve the historical data of existing disaster and show technical matters directly perceived, inefficiency.
The technical solution adopted in the present invention is: a kind of disaster historical data is processed and methods of exhibiting, it is characterized in that, comprises the following steps:
Step 1: draw geographical basis base map;
Step 2: structuring disaster historical data, organize disaster history data store more and form structural data in structurized database;
Step 3: set space-number sliced time;
Step 4: structurized disaster historical data is carried out to staging treating according to the time interval of setting, and each segment data is converted to figure is presented on geographical basis base map.
As preferably, the geographical basis base map described in step 1 is the gradient map for compilation thematic maps, and it is geographical plane picture or the image of thematic content directed location on map.
As preferably, the structuring disaster historical data described in step 2, comprising: the time of origin data of disaster, according to the form storage on the time occurring, month, date; The scene position data of disaster, according to the form storage of data structure Point (x, y), wherein x is the terrestrial longitude data of disaster scene, y is the terrestrial latitude data of disaster scene, and Point is the structure that only comprises x, y data; The coverage data of disaster, the radius of the circular scope that affects after recording disaster and occurring.
As preferably, figure that each segment data is converted to described in step 4 is presented on geographical basis base map, its specific implementation process is: by the disaster historical data traversal after segmentation, first group of disaster historical data in taking out every section, taking scene position data wherein as the center of circle, coverage data are radius, on drawn geographical basis base map, draw annulus; Take out afterwards second group of disaster historical data in this section, be still the center of circle according to scene position data, coverage data are radius, on drawn geographical basis base map, draw annulus, until every group of disaster historical data in this section completed.
As preferably, structuring disaster historical data described in step 2, its specific implementation process is: taking the time of origin data in each disaster historical data as foundation, each disaster historical data is carried out to staging treating, and disaster historical data is divided into multistage history data set the most at last.
As preferably, figure that each segment data is converted to described in step 4 is presented on geographical basis base map, its specific implementation process is: successively each segment data is converted to figure and is presented on geographical basis base map, after the choosing of each time period changes, every group of disaster historical data of this section just can be plotted in rapidly on geographical basis base map.
A kind of disaster historical data provided by the invention is processed and methods of exhibiting, and the historical data that can effectively solve existing disaster is shown technical matters not directly perceived, inefficiency.
Brief description of the drawings
Fig. 1: be process flow diagram of the present invention;
Fig. 2: the disaster historical data that is the embodiment of the present invention is shown operational block diagram.
Embodiment
Understand and enforcement the present invention for the ease of those of ordinary skill in the art, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that exemplifying embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Ask for an interview Fig. 1, the technical solution adopted in the present invention is: a kind of disaster historical data is processed and methods of exhibiting, comprises the following steps:
Step 1: draw geographical basis base map; Geographical basis base map is the gradient map for compilation thematic maps, and it is geographical plane picture or the image of thematic content directed location on map;
Step 2: structuring disaster historical data, organize disaster history data store more and form structural data in structurized database; Structuring disaster historical data comprises: the time of origin data of disaster, according to the form storage on the time occurring, month, date; The scene position data of disaster, according to the form storage of data structure Point (x, y), wherein x is the terrestrial longitude data of disaster scene, y is the terrestrial latitude data of disaster scene, and Point is the structure that only comprises x, y data; The coverage data of disaster, the radius of the circular scope that affects after recording disaster and occurring; Structuring disaster historical data, its specific implementation process is: taking the time of origin data in each disaster historical data as foundation, each disaster historical data is carried out to staging treating, and disaster historical data is divided into multistage history data set the most at last;
Step 3: set space-number sliced time;
Step 4: structurized disaster historical data is carried out to staging treating according to the time interval of setting, and each segment data is converted to figure is presented on geographical basis base map; Each segment data is converted to figure to be presented on geographical basis base map, its specific implementation process is: by the disaster historical data traversal after segmentation, first group of disaster historical data in taking out every section, taking scene position data wherein as the center of circle, coverage data are radius, on drawn geographical basis base map, draw annulus; Take out afterwards second group of disaster historical data in this section, be still the center of circle according to scene position data, coverage data are radius, on drawn geographical basis base map, draw annulus, until every group of disaster historical data in this section completed, successively each segment data is converted to figure and is presented on geographical basis base map, after the choosing of each time period changes, every group of disaster historical data of this section just can be plotted in rapidly on geographical basis base map.
Ask for an interview Fig. 2, the present embodiment is according to the basic data obtained, according to sliced time interval the historical data of disaster is cut apart.The present embodiment, in order to show conveniently, is that displaying interface rolling motion bar is divided into corresponding umber.Suppose that disaster historical data comprises m group data according to minimal time interval, every group of data only comprise time of origin data Date, geographic position data Point occur, the radius data Radius of coverage.Every group of data be expressed as Data for Date, Point, Radius}, m group data are expressed as { Data
1, Data
2..., Data
m.Number sliced time of filling in is n, and 1≤n≤m, and this organizes data by m and carries out segmentation taking n as length data section, and the disaster historical data after segmentation is { (Data
1..., Data
m-xn-1, Data
m-xn) ..., (Data
m-2n+1..., Data
m-n+1, Data
m-n), (Data
m-n+1..., Data
m-1, Data
m) x=gcd (m, n) wherein.Scroll bar is divided into x equal portions.
Drag scroll bar, drag to any position and show the disaster historical data after corresponding segments under the corresponding equal portions in this position.Suppose to have dragged to a equal portions, wherein 1≤a≤x, takes out the disaster historical data { Data of a group
m-(a-1) n..., Data
m-an-1, Data
m-an.By a group disaster historical data { Data
m-(a-1) n..., Data
m-an-1, Data
m-anlaunch, take out first group of Data
m-(a-1) n, real data is { Date
m-(a-1) n, Point
m-(a-1) n, Radiu
m-(a-1) n.By Point
m-(a-1) ndata are the center of circle, Radiu
m-(a-1) ndata are that radius is drawn circle on fundamental geological figure layer.Then take out second group of data Data
m-(a-1) n+1carry out circular drafting, until Data
m-andata also on fundamental geological figure layer, complete.Judge whether this section of disaster historical data all completes on basic geographic map layer, if not, left and right drags scroll bar, until disaster historical data is all completed on basic geographic map layer.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; can not therefore think the restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not departing from the scope situation that the claims in the present invention protect; can also make and replacing or distortion, within all falling into protection scope of the present invention, request protection domain of the present invention should be as the criterion with claims.
Claims (6)
1. disaster historical data is processed and a methods of exhibiting, it is characterized in that, comprises the following steps:
Step 1: draw geographical basis base map;
Step 2: structuring disaster historical data, organize disaster history data store more and form structural data in structurized database;
Step 3: set space-number sliced time;
Step 4: structurized disaster historical data is carried out to staging treating according to the time interval of setting, and each segment data is converted to figure is presented on geographical basis base map.
2. disaster historical data according to claim 1 is processed and methods of exhibiting, it is characterized in that: the geographical basis base map described in step 1 is the gradient map for compilation thematic maps, it is geographical plane picture or the image of thematic content directed location on map.
3. disaster historical data according to claim 1 is processed and methods of exhibiting, it is characterized in that: the structuring disaster historical data described in step 2, comprise: the time of origin data of disaster, according to the form storage on the time occurring, month, date; The scene position data of disaster, according to the form storage of data structure Point (x, y), wherein x is the terrestrial longitude data of disaster scene, y is the terrestrial latitude data of disaster scene, and Point is the structure that only comprises x, y data; The coverage data of disaster, the radius of the circular scope that affects after recording disaster and occurring.
4. disaster historical data according to claim 3 is processed and methods of exhibiting, it is characterized in that: the figure that each segment data is converted to described in step 4 is presented on geographical basis base map, its specific implementation process is: by the disaster historical data traversal after segmentation, first group of disaster historical data in taking out every section, taking scene position data wherein as the center of circle, coverage data are radius, on drawn geographical basis base map, draw annulus; Take out afterwards second group of disaster historical data in this section, be still the center of circle according to scene position data, coverage data are radius, on drawn geographical basis base map, draw annulus, until every group of disaster historical data in this section completed.
5. disaster historical data according to claim 3 is processed and methods of exhibiting, it is characterized in that: the structuring disaster historical data described in step 2, its specific implementation process is: taking the time of origin data in each disaster historical data as foundation, each disaster historical data is carried out to staging treating, and disaster historical data is divided into multistage history data set the most at last.
6. disaster historical data according to claim 1 is processed and methods of exhibiting, it is characterized in that: the figure that each segment data is converted to described in step 4 is presented on geographical basis base map, its specific implementation process is: successively each segment data is converted to figure and is presented on geographical basis base map, after the choosing of each time period changes, every group of disaster historical data of this section just can be plotted in rapidly on geographical basis base map.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187024.2A CN103942333A (en) | 2014-05-05 | 2014-05-05 | Natural disaster historical data processing and display method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187024.2A CN103942333A (en) | 2014-05-05 | 2014-05-05 | Natural disaster historical data processing and display method |
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| CN103942333A true CN103942333A (en) | 2014-07-23 |
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| CN201410187024.2A Pending CN103942333A (en) | 2014-05-05 | 2014-05-05 | Natural disaster historical data processing and display method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923697A (en) * | 2010-09-09 | 2010-12-22 | 大道计算机技术(上海)有限公司 | Geographic information accessory system applicable to large screen and implementation method thereof |
| CN102865864A (en) * | 2012-09-12 | 2013-01-09 | 大连海事大学 | Ship-tropical cyclonedynamic displayplotting system and method based on ECDIS (Electronic Chart Display and Information System) |
| CN103440319A (en) * | 2013-08-29 | 2013-12-11 | 国家测绘地理信息局卫星测绘应用中心 | Historical information dynamic display method and system |
-
2014
- 2014-05-05 CN CN201410187024.2A patent/CN103942333A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923697A (en) * | 2010-09-09 | 2010-12-22 | 大道计算机技术(上海)有限公司 | Geographic information accessory system applicable to large screen and implementation method thereof |
| CN102865864A (en) * | 2012-09-12 | 2013-01-09 | 大连海事大学 | Ship-tropical cyclonedynamic displayplotting system and method based on ECDIS (Electronic Chart Display and Information System) |
| CN103440319A (en) * | 2013-08-29 | 2013-12-11 | 国家测绘地理信息局卫星测绘应用中心 | Historical information dynamic display method and system |
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Application publication date: 20140723 |
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