CN102402532A - Thematic map configuration generation method and system - Google Patents
Thematic map configuration generation method and system Download PDFInfo
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- CN102402532A CN102402532A CN2010102809900A CN201010280990A CN102402532A CN 102402532 A CN102402532 A CN 102402532A CN 2010102809900 A CN2010102809900 A CN 2010102809900A CN 201010280990 A CN201010280990 A CN 201010280990A CN 102402532 A CN102402532 A CN 102402532A
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Abstract
The invention provides a thematic map configuration generation method and system, wherein the thematic map configuration generation method comprises the steps: a server side interface receives a scheduling request comprising a scheduling parameter and being sent by a client side, and schedules a thematic map service interface for drawing a thematic map according to the scheduling parameter, and sends the thematic map to the client side; and the client side overlaps the thematic map on a base map to generate a picture, and displays the picture. According to the invention, complex parameter transmission during secondary development is avoided, and a simple interface is provided so as to be applied to system integration and cross-GIS (Geographic Information System) platforms.
Description
Technical field
The present invention relates to the thematic map field, be specifically related to a kind of thematic map configuration generating method and system.
Background technology
The thematic map tools are that the pattern with special symbol generates various statistical graphs on map, give data display comparatively intuitively.Wherein, alert to use the geography information thematic map be to be geographical basis with geographical base map, representes that emphatically directly or indirectly relevant various in all and geographic position warn with a certain in the key element or several kinds, i.e. certain alert map with subject content of concentrated expression.At present, major part has all comprised the thematic charting functional module in the operation system, but there is more difference in its implementation, does not define the interface and the template of thematic map service, makes troubles for cross-platform application, and it is low to cause calling efficient.Simultaneously, biography complicated during secondary development is joined, and causes interface to be difficult to realize the system integration, and further, it is low to cause calling efficient.Be the realization flow of unified front end, need the standard interface standard of a thematic charting of definition.
Summary of the invention
First purpose of the present invention is to propose the high thematic map configuration generating method of a kind of efficient.
Second purpose of the present invention is to propose the high thematic map configuration generation system of a kind of efficient.
For realizing above-mentioned first purpose; The invention provides a kind of thematic map configuration generating method comprises: the service end interface receives the call request that comprises call parameters that client is sent; And call the thematic map service interface according to call parameters and draw thematic map, and thematic map is sent to client; Client is superimposed on thematic map and generates picture on the base map, and Shows Picture.
For realizing above-mentioned second purpose; The invention provides a kind of thematic map configuration generation system, comprising: the service end interface is used to receive the call request that comprises call parameters that client is sent; And call the thematic map service interface, and thematic map is sent to client according to call parameters; The thematic map service interface is used for drawing thematic map according to call parameters; Client is used for thematic map is superimposed on and generates picture on the base map, and Shows Picture.
Among each embodiment of the present invention; Through the routine configuration that the thematic configuration feature in the thematic map service interface is preserved various special topics, promptly various call parameters are during concrete operations; The thematic map service interface can directly generate thematic map according in advance the configuration and the call parameters of reception; Complicated biography ginseng when avoiding secondary development provides simple interface so that the system integration, stride the GIS platform application, also can dispose statistical regions, specific business information scope, thematic map type parameter as required.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used to explain the present invention in the lump with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is embodiment one process flow diagram of thematic map configuration generating method of the present invention;
Fig. 2 is embodiment two process flow diagrams of thematic map configuration generating method of the present invention;
Fig. 3 is the example structure figure of thematic map configuration generation system of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Method embodiment
Fig. 1 is embodiment one process flow diagram of thematic map configuration generating method of the present invention.As shown in Figure 1, present embodiment comprises:
Step 102: the service end interface receives the call request that comprises call parameters that client is sent, and calls the thematic map service interface according to call parameters and draw thematic map, and thematic map is sent to client; Concrete explaining referring to Fig. 2;
Step 104: client is superimposed on thematic map and generates picture on the base map, and the breath that Shows Picture; Concrete explaining referring to Fig. 2.
Present embodiment is preserved the routine configuration of various special topics through the thematic configuration feature in the thematic map service interface; Be various call parameters; During concrete operations, the thematic map service interface can directly generate thematic map according in advance the configuration and the call parameters of reception, complicated biography ginseng when avoiding secondary development; Simple interface is provided so that the system integration, stride the GIS platform application, also can disposes statistical regions, specific business information scope, thematic map type parameter as required.
Fig. 2 is embodiment two process flow diagrams of thematic map configuration generating method of the present invention.As shown in Figure 2, present embodiment comprises:
Step 201: the service end interface receives the call request that comprises call parameters that client is sent, and calls the thematic map service interface according to call parameters and draw thematic map;
During concrete operations, the service end interface can also receive the solicited message that comprises the thematic map title that client is sent, and directly calls the preset thematic map corresponding with the thematic map title according to the thematic map title; Promptly; Except through service end interface interchange thematic map service interface, to import parameter into and generate in real time outside the thematic map, system also supports the keeper that the thematic map (like population, case etc.) of particular data is configured to template on the backstage; And be that each template is named; The foreground can directly be called after specifying the thematic map title, need not import quantity of parameters, so that simplify the operation; The call parameters that is used for thematic map service interface production thematic map is as shown in table 1:
Table 1
During concrete operations, the thematic map service can be adopted the mode of direct accessing database, also can serve the interface interchange mode that is provided by compatible other simultaneously, comprises and adopts spatial database engine, WFS interface etc.;
Step 202:, thematic map is sent to client according to binary png picture format or according to the XML text formatting; That is to say; After the backstage service generates thematic map according to request; Its return results is divided into two kinds of forms: first kind of result who returns is binary thematic map png picture (supporting JPG, GIF form simultaneously); Second kind of return results is the XML text, comprised thematic data coordinate information and thematic map scale-of-two pictorial information;
Step 203: the setting of thematic map internal logic; Specifically can comprise:
Classification is filled: according to the difference of object properties with the object classification; Having various colors according to different brackets then draws; At first certain attribute field is carried out classification (generally being value type), draw with a kind of color for each other object of level uses then;
Histogram: histogram is used for representing the relevant information between each attribute field, and a pillar is represented a field, and the various attributes of an object are added up, and draws according to these statistical informations then;
Cake chart: in the performance quantitative relation, can show with fan-shaped angle or fan-shaped radius, according to this definition, if fan-shaped angle is bigger or radius is big more on the pie chart thematic map, the density of the phenomenon that expression is corresponding is bigger, and perhaps quantity is big more;
Dot-density plot: dot-density plot is represented field information with dropping on the number of putting in the planar zone, and the big more expression numerical value of dot density is big more;
The gradual change color: the gradual change colors component be used for according to generate the continually varying colors list between given chromatic zones, the field color matching that supplies classification to fill thematic map is used;
Random color: the random color assembly be used for according to generate the colors list of random variation between given chromatic zones, the field color matching that supplies classification to fill thematic map is used;
Step 204: client is handled the folded rasterizing that carries out of thematic map, and the thematic map after will handling is added on and generates picture on the base map;
Step 205: according to the information that is provided with that receives, set size, transparency and the picture format of picture, and the picture behind the display setting;
Above-mentioned steps 204 and 205 is mainly used in the situation of explanation thematic map output, is about to needed thematic map and carries out rasterizing and generate picture and output, can set the size, transparency, picture format of output picture etc.
Present embodiment is preserved the routine configuration of various special topics through the thematic configuration feature in the thematic map service interface; Be various call parameters; During concrete operations, the thematic map service interface can directly generate thematic map according in advance the configuration and the call parameters of reception, complicated biography ginseng when avoiding secondary development; Simple interface is provided so that the system integration, stride the GIS platform application, also can disposes statistical regions, specific business information scope, thematic map type parameter as required; Simultaneously, can also pre-configured corresponding thematic map template, the follow-up URL access services of directly passing through can obtain the thematic map of required form, has realized the template work pattern of standard; Through the setting of thematic map internal logic, can reflect business attribute information distribution characteristics and statistical nature spatially from thematic maps; And realize according to the thematic map configuration parameter, according to corresponding thematic map type such as cake chart, histogram, the visual requirement of playing up figure, thematic distribution plan, dot-density plot etc., generation thematic map in selected zone.
Device embodiment
Fig. 3 is the example structure figure of thematic map configuration generation system of the present invention.Each method embodiment of Fig. 1-shown in Figure 2 is all applicable to present embodiment.Present embodiment comprises: service end interface 32 is used to receive the call request that comprises call parameters that client is sent, and calls the thematic map service interface according to call parameters, and thematic map is sent to client; Client 34 is used for thematic map is superimposed on and generates picture on the base map, and Shows Picture; Thematic map service interface 36 is used for drawing thematic map according to this call parameters.
During concrete operations, service end interface 32 can comprise: receive submodule 322, be used to receive the call request that comprises call parameters that client is sent; Call submodule 324, be used for calling the thematic map service interface and draw thematic map according to call parameters; Send submodule 326, be used for thematic map being sent to client according to binary png picture format; Perhaps, thematic map is sent to client according to the XML text formatting; Obtain submodule 328, be used for directly calling the preset thematic map corresponding, and send submodule 326 through this and send thematic map with the thematic map title according to receiving the solicited message that comprises the thematic map title that submodule 322 receives.
Client 34 comprises: processing sub 342 be used for the folded rasterizing that carries out of thematic map is handled, and the thematic map after will handling is added on and generates picture on the base map; Display sub-module 344 is set, is used for setting size, transparency and the picture format of picture according to the information that is provided with that receives, and the picture behind the display setting.
Present embodiment is submitted call request to and is shown thematic map through client 34, and thematic map service interface 36 is drawn " front end services+backend arrangement " Technical Architecture that thematic map is set up thematic map according to this call parameters; Through the configuration of system manager in the rear end; Obtain submodule 328 and directly obtain thematic map; Through all kinds of professional thematic maps of client 34 issues; Like histogram, pie chart, classification blank map, dot-density plot etc., the map visualization that realizes thematic map corresponding to being provided with of service end interface 32 internal logics shows; Second development interface service end interface 32 externally is provided, provides all kinds of customizable parameter in operation system, to call, realize the function of polymorphic type thematic map, support the classification and the expression of all kinds of special topics, support the automatic and manual configuration of thematic formation condition.
What should explain at last is: more than be merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a thematic map configuration generating method is characterized in that, comprising:
The service end interface receives the call request that comprises call parameters that client is sent, and calls the thematic map service interface according to said call parameters and draw thematic map, and said thematic map is sent to said client;
Said client is superimposed on said thematic map and generates picture on the base map, and shows said picture.
2. thematic map configuration generating method according to claim 1 is characterized in that, the said step that said thematic map is sent to said client comprises:
According to binary png picture format, said thematic map is sent to said client; Perhaps
According to the XML text formatting, said thematic map is sent to said client.
3. thematic map configuration generating method according to claim 1 and 2 is characterized in that, also comprises:
Said service end interface receives the solicited message that comprises the thematic map title that said client is sent, and directly calls preset and the corresponding thematic map of said thematic map title according to said thematic map title.
4. thematic map configuration generating method according to claim 1 and 2 is characterized in that, said client is superimposed on the step that generates picture on the base map with said thematic map and also comprises:
Said client is handled the folded rasterizing that carries out of said thematic map, and the said thematic map after will handling is added on and generates picture on the base map.
5. thematic map configuration generating method according to claim 1 and 2 is characterized in that, the step of the said picture of said demonstration comprises:
According to the information that is provided with that receives, set size, transparency and the picture format of said picture, and the picture behind the display setting.
6. a thematic map configuration generation system is characterized in that, comprising:
The service end interface is used to receive the call request that comprises call parameters that client is sent, and calls the thematic map service interface according to said call parameters and draw thematic map, and said thematic map is sent to said client;
The thematic map service interface is used for drawing thematic map according to said call parameters;
Said client is used for said thematic map is superimposed on and generates picture on the base map, and shows said picture.
7. according to the configuration of the thematic map described in the claim 6 generation system, it is characterized in that said service end interface comprises:
Receive submodule, be used to receive the call request that comprises call parameters that client is sent;
Call submodule, be used for calling the thematic map service interface and draw thematic map according to said call parameters;
Send submodule, be used for said thematic map being sent to said client according to binary png picture format; Perhaps, said thematic map is sent to said client according to the XML text formatting.
8. thematic map configuration generation system according to claim 7 is characterized in that said service end interface also comprises:
Obtain submodule, be used for the solicited message that comprises the thematic map title that receives according to said reception submodule, directly call preset and the corresponding thematic map of said thematic map title, and send said thematic map through said transmission submodule.
9. according to claim 6 or 7 described thematic map configuration generation systems, it is characterized in that said client comprises:
Processing sub is used for the folded rasterizing that carries out of said thematic map is handled, and the said thematic map after will handling is added on and generates picture on the base map.
10. according to claim 6 or 7 described thematic map configuration generation systems, it is characterized in that said client comprises:
Display sub-module is set, is used for setting size, transparency and the picture format of said picture according to the information that is provided with that receives, and the picture behind the display setting.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399953A (en) * | 2013-08-20 | 2013-11-20 | 苏州数字地图网络科技有限公司 | Method and system for online display of mass data |
| CN105278800A (en) * | 2014-07-09 | 2016-01-27 | 方正国际软件(北京)有限公司 | Method, system and equipment for displaying thematic map hotspot |
| CN105740247A (en) * | 2014-12-09 | 2016-07-06 | 中国移动通信集团黑龙江有限公司 | Statistic graph generation and display method, client, statistic graph generation terminal and system |
| CN112560132A (en) * | 2020-12-24 | 2021-03-26 | 山东鲁能软件技术有限公司 | Thematic map automatic mapping system, method and device based on automatic mapping algorithm |
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| CN1933411A (en) * | 2006-09-28 | 2007-03-21 | 江苏天泽信息产业有限公司 | Method for publishing vector map based on interconnection network |
| CN101593209A (en) * | 2008-12-30 | 2009-12-02 | 中国科学院地理科学与资源研究所 | A kind of alternating type online statistical map generation and distributing device and method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1933411A (en) * | 2006-09-28 | 2007-03-21 | 江苏天泽信息产业有限公司 | Method for publishing vector map based on interconnection network |
| CN101593209A (en) * | 2008-12-30 | 2009-12-02 | 中国科学院地理科学与资源研究所 | A kind of alternating type online statistical map generation and distributing device and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399953A (en) * | 2013-08-20 | 2013-11-20 | 苏州数字地图网络科技有限公司 | Method and system for online display of mass data |
| CN103399953B (en) * | 2013-08-20 | 2016-12-28 | 苏州数字地图网络科技有限公司 | A kind of method and system of Real time displaying mass data |
| CN105278800A (en) * | 2014-07-09 | 2016-01-27 | 方正国际软件(北京)有限公司 | Method, system and equipment for displaying thematic map hotspot |
| CN105740247A (en) * | 2014-12-09 | 2016-07-06 | 中国移动通信集团黑龙江有限公司 | Statistic graph generation and display method, client, statistic graph generation terminal and system |
| CN112560132A (en) * | 2020-12-24 | 2021-03-26 | 山东鲁能软件技术有限公司 | Thematic map automatic mapping system, method and device based on automatic mapping algorithm |
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Application publication date: 20120404 |