KR100989094B1 - Multiple division screen provision system for gis information and method for the same - Google Patents

Abstract

PURPOSE: A system and a method for providing multi division of a GIS(Geographical Information System) information screen are provided to display a screen by multi-dividing it according to the number of thematic maps, thereby user can see varying thematic maps through the multi-divided screen. CONSTITUTION: A map service server comprises next. If the thematic map list is requested, a thematic map list generator(210) generates the requested thematic map list. A thematic map rendering request unit(220) selects a thematic map which a user desired. The thematic rendering requesting unit determines map area related to the thematic map. The thematic rendering requesting unit requests rendering of the thematic map about the map area.

Description

MULTIPLE DIVISION SCREEN PROVISION SYSTEM FOR GIS INFORMATION AND METHOD FOR THE SAME}

Embodiments of the present invention relate to a system and method for providing GIS information by dividing it into a screen.

Geographical Information System combines the location and attribute information of various phenomena in space and time on the earth and manages information such as input, storage, retrieval, and update through a computer, and manipulates, processes, and analyzes them appropriately. An information system that outputs and provides geographic information.

The geographic information system uses an electronic map, which defines spatial points on a surface as a longitude and latitude coordinate system, and displays spatial data and detailed information related to the spatial data. Data)

Geographic information system forms a multi-layered structure reaching from the ground to the ground in different layers for each required cross section to produce spatial data and attribute data, and to combine or separate them if necessary, allowing vector analysis. ) And raster that manages spatial data and attribute information as integrated data by dividing all information to be expressed on the surface of the surface and the surface into a mesh of small cell units and writing all the characteristics of each point in the cell. (raster) method.

While the vector method is difficult to fabricate and enables multi-layer analysis, the raster method is easy to manufacture and difficult to multi-layer analysis. Geographic information system mainly aims to analyze three-dimensional shape of multi-layered structure, so vector method is mainly used.

Such geographic information systems are used in Urban Information System (UIS), Land Information System (LIS), and Environmental Information System (EIS), and in particular, Global Positioning System (GIS). It is widely used in car navigation system and ship navigation system.

Geographic information system should be equipped with hardware such as workstation, PC, network and software such as geographic information input, manipulation tool, database management system, spatial query, analysis and visualization tool, and graphical user interface.

An embodiment of the present invention provides a system and method for providing a GIS information screen that can be displayed by dividing a screen according to the number of the subject maps while displaying a subject map related to a map area desired by a user. do.

According to an embodiment of the present invention, the map area that the user wants to see is based on different thematic maps (city planning, environment, underground facilities, etc.), different resolutions (scales) (1: 5000, 1: 25000, etc.), different formats ( Provides a system and method for providing multiple segmentation of GIS information screen that can be compared and analyzed in 2D, 3D, etc.).

The problem to be solved by the present invention is not limited to the above-mentioned problem, another task (s) not mentioned will be clearly understood by those skilled in the art from the following description.

According to one or more exemplary embodiments, a system for providing a GIS information screen splitting system may include: a map service server configured to transmit a theme map and a map area to a GIS engine to request rendering of the topic map with respect to the map area; And a GIS engine that receives the subject map and the map area, receives a rendering request of the subject map for the map area, and renders the subject map for the map area in cooperation with a spatial data server. The map service server transmits the theme map rendered by the GIS engine to the user terminal so that the rendered theme map is divided and displayed on the screen of the user terminal.

According to an embodiment of the present invention, there is provided a method of providing a GIS information screen, wherein the map service server transmits a theme map and a map area to the GIS engine to request rendering of the topic map with respect to the map area; Receiving, at the GIS engine, the subject map and the map area, accepting a rendering request of the subject map for the map area, and rendering the subject map for the map area in association with a spatial data server; And transmitting, at the map service server, the theme map rendered by the GIS engine to a user terminal so that the rendered theme map is split and displayed on a screen of the user terminal.

Specific details of other embodiments are included in the detailed description and the accompanying drawings.

Advantages and / or features of the present invention and methods for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and those skilled in the art to which the present invention pertains. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

According to an embodiment of the present invention, a theme map of a map area that a user wants to view is displayed on a screen, and the screen is divided into various screens according to the number of the subject maps, thereby displaying various thematic maps through a screen divided into two. You can see all of them at once, increasing the usability and convenience of the map, and save calling time because you don't have to call another theme map as many as the number of split screens.

According to an embodiment of the present invention, the map area that the user wants to see is different according to different thematic maps (city planning, environment, underground facilities, etc.), different resolutions (scales) (1: 5000, 1: 25000, etc.), different formats. A comparative analysis may be performed by stars (2D, 3D, etc.), and the comparative analysis result may be utilized in various applications.

1 is a diagram illustrating a network configuration of a GIS information screen multi-partition providing system according to an exemplary embodiment of the present invention.
2 is a block diagram illustrating a configuration of a map service server of a GIS information screen multi-partition providing system according to an exemplary embodiment of the present invention.
3 is a block diagram illustrating a configuration of a GIS engine of a GIS information screen multi-partition providing system according to an exemplary embodiment of the present invention.
4 is a flowchart illustrating a GIS information screen multi-partition providing method according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described embodiments of the present invention;

1 is a diagram illustrating a network configuration of a GIS information screen multi-partition providing system according to an exemplary embodiment of the present invention.

Referring to FIG. 1, a system for providing a GIS information screen division according to an embodiment of the present invention 100 includes a map service server 110 and a Geographic Information System Engine (GIS) engine 120.

The map service server 110 transmits a theme map and a map area to the GIS engine 120 to request rendering of the theme map with respect to the map area. Here, the subject map and the map area are transmitted from the user terminal 130 to the map service server 110 through the communication network 150.

For reference, the subject map is a map made for the purpose of expressing a specific subject, the road network diagram showing the appearance of the road, the administrative line and the administrative region diagram representing each zone, the scale 1: 1,000 map, and the scale 1: 5,000 map and scale 1 One specific purpose: topographic maps, such as 25,000 maps, gas, power, telecommunications, underground facilities such as pipelines, water supply and sewerage, district heating, national land use plans, topographic maps, land use maps, city plans, and road networks. Refers to a map made for the bay.

The GIS engine 120 receives the subject map and the map area from the map service server 110 and receives a rendering request of the subject map with respect to the map area. The GIS engine 120 queries the spatial data server 140 through the communication network 160 for spatial data about the subject map and the map area.

The spatial data server 140 processes the query and transmits the processing result to the GIS engine 120. That is, the spatial data server 140 searches for spatial data corresponding to the query from a spatial information database in which various spatial data is recorded, and transmits the search result (spatial data) to the GIS engine 120.

The GIS engine 120 receives the spatial data from the spatial data server 140 and renders the subject map of the map area using the received spatial data. The GIS engine 120 transmits the rendered theme map to the map service server 110.

The map service server 110 receives the rendered theme map from the GIS engine 120 and transmits the rendered theme map to the user terminal 130 through the communication network 150.

The user terminal 130 receives the rendered theme map from the map service server 110 and displays it on the screen. In this case, when there are a plurality of rendered theme maps, the user terminal 130 may divide the screen by the number of the rendered theme maps and display the plurality of thematic maps on each screen.

2 is a block diagram illustrating a configuration of a map service server of a GIS information screen multi-partition providing system according to an exemplary embodiment of the present invention.

1 and 2, the map service server 110 may include a theme map list generation unit 210, a theme map rendering request unit 220, a theme map transmission unit 230, and a server controller 240. It may include.

When the user requests the theme map list through the user terminal 130, the theme map list generation unit 210 generates the requested theme map list and provides the requested theme map list to the user terminal.

To this end, the subject map list generating unit 210 searches the subject maps requested by the user terminal 130 from a subject map database in which various subject maps are recorded, and uses the searched thematic maps to request the subject maps. You can also create a list of topics.

The theme map rendering requester 220 selects the theme map from the list of theme maps according to a user's selection, and determines the map area associated with the theme map.

Specifically, the user terminal 130 receives the list of thematic maps from the map service server 110 and displays them on the screen. In this case, the user terminal 130 displays the list of thematic maps on the screen together with a map. The user selects a subject map to be viewed from the list of subject maps displayed on the screen, and selects a map region (eg, Seoul region, Yeongdeungpo-gu region, etc.) to be viewed in the map. Accordingly, the theme map rendering requester 220 selects and determines the theme map and the map area selected by the user as the theme map and the map area to be displayed on the screen of the user terminal 130.

The theme map rendering requester 220 transmits the data about the theme map and the map area to the GIS engine 120 and requests the rendering of the theme map about the map area. In this case, the theme map rendering requester 220 may make a different rendering request for the theme map according to the type of the theme map.

For example, when the theme map is a two-dimensional and three-dimensional theme map, the theme map rendering requester 220 may transmit data regarding the map area together with the two-dimensional and three-dimensional theme map to the GIS engine 120. ) To request rendering of the two-dimensional and three-dimensional theme maps of the map area (screen splitting: requesting a two-dimensional theme map and a three-dimensional theme map).

In addition, when the subject map is N year (N is a natural number) yearly aerial photographs, the theme map rendering request unit 220 transmits the data about the map area together with the yearly aerial photographs to the GIS engine ( 120 to request the rendering of the yearly aerial photographs of the map area (screen split 6: request for aerial photographs by year 1985, 1990, 1995, 2000, 2005, 2010).

In another embodiment, the theme map rendering request unit 220 is a variety of thematic map M (the M is a natural number) including the aerial view, a digital elevation model (DEM) diagram, a basic diagram, and an underground facility diagram. In this case, the various thematic maps may be transmitted to the GIS engine 120 together with the data about the map region to request the rendering of the various thematic maps for the map region (screen division 4: aerial photograph, DEM diagram, Base map, underground facilities also requested).

In addition, when the theme map is a scaled map, the theme map rendering requester 220 transmits the scaled map to the GIS engine 120 along with the data about the map region, and transmits the map to the GIS engine 120. You can request the rendering of the scaled map (Split 2: Request scale 10000 and scale 5000 of the base map to each zone).

The theme map rendering requester 220 may determine the number of screen displays of the map area according to the number of the theme maps, and request the rendering of the theme maps for the determined number of map areas. That is, the theme map rendering requester 220 may determine the number of screen displays of the map area as many as the number of the theme maps selected by the user, and request the rendering of the theme maps for the determined number of map areas.

For example, when the user selects four thematic maps from the list of thematic maps, the theme map rendering requester 220 determines the number of screen displays of the map area to be four, and transmits to the GIS engine 120. You can request the rendering of thematic maps for four map areas. Accordingly, the theme map rendering unit (see 320 in FIG. 3) of the GIS engine 120 renders the theme maps related to the four map regions in cooperation with the spatial data server 140 to render the rendered map. Four thematic maps may be displayed on each of the divided screens of the user terminal 130.

The theme map transmitter 230 transmits the theme map rendered by the GIS engine 120 to the user terminal 130. Accordingly, the user terminal 130 may divide and display the rendered theme map on the screen.

The server controller 240 generally performs operations of the map service server 110, that is, the subject map list generating unit 210, the subject map rendering request unit 220, and the theme map transmitting unit 230. Can be controlled.

3 is a block diagram illustrating a configuration of a GIS engine of a GIS information screen multi-partition providing system according to an exemplary embodiment of the present invention.

1 and 3, the GIS engine 120 may include a spatial data query unit 310, a theme map rendering unit 320, and an engine control unit 330.

The spatial data query unit 310 receives data about the subject map and the map area from the theme map rendering request unit (see “220” in FIG. 2), and transmits the subject map and the data to the spatial data server 140. Query spatial data for the map area.

That is, the spatial data query unit 310 generates query data using the subject map and the data related to the map area, and transmits the generated query data to the spatial data server 140, thereby providing the subject map. And query spatial data for the map area.

In this case, the spatial data query unit 310 may transmit the query data to the spatial data server 140 in a compressed form to minimize the load on the server and the network.

The spatial data server 140 receives and decompresses the query data and then searches for spatial data matching the query data from the spatial information database. The spatial data server 140 transmits the search result (spatial data) to the GIS engine 120.

The theme map rendering unit 320 receives spatial data corresponding to the query from the spatial data server 140 in response to the query, and uses the received spatial data to perform the subject on the map area. Render the diagram.

In this case, the theme map rendering unit 320 may render the theme map of the map area by visualizing the spatial data received from the spatial data server 140 in a predetermined style.

Here, the style may be predetermined in consideration of at least one of the inside / outside of the building, the facility type, the 2D / 3D, the year, or the scale.

For example, the subject map rendering unit 320 may paint the inside of the building in blue and the outline of the building in black in the case of building data, and may paint the constant pipe in red in the case of facility data.

The theme map rendering unit 320 renders the theme map of the map area by the number of screen displays determined by the theme map rendering request unit of the map service server 110 (see “220” in FIG. 2). It can be displayed on each of the split screen of the user terminal.

The engine controller 330 may control overall operations of the GIS engine 120, that is, the spatial data query unit 310 and the theme map rendering unit 320.

4 is a flowchart illustrating a GIS information screen multi-partition providing method according to an embodiment of the present invention.

Referring to FIG. 4, in operation 401, the user terminal 130 requests a list of thematic maps by accessing the map service server 110.

Next, in step 402, the map service server 110 generates the list of thematic maps according to the request.

Next, in step 403, the map service server 110 transmits the generated theme map list to the user terminal 130.

Next, in step 404, the user terminal 130 receives the list of thematic maps from the map service server 110, and displays the list of thematic maps with a map.

Next, in step 405, the user selects a theme map that he / she wants to see from the list of thematic maps displayed on the screen of the user terminal 130.

Next, in step 406, the user determines the map area that he / she wants to see in the map displayed on the screen of the user terminal 130.

Next, in step 407, the user terminal 130 requests the map by transmitting data about the subject map and the map area to the map service server 110.

Next, in step 408, the map service server 110 receives the map request.

Next, in step 409, the map service server 110 transmits data regarding the subject map and the map area to the GIS engine 120, and requests rendering of the subject map about the map area.

Next, in step 410, the GIS engine 120 receives the rendering request.

Next, in step 411, the GIS engine 120 accesses the spatial data server 140 to query the spatial data about the subject map and the map area.

Next, in step 412, the spatial data server 140 receives and processes the spatial data query.

Next, in step 413, the spatial data server 140 transmits the processing result (spatial data) to the GIS engine 120.

Next, in step 414, the GIS engine 120 receives the spatial data.

Next, in step 415 the GIS engine 120 visualizes the received spatial data to render the subject map for the map area.

Next, in step 416 the GIS engine 120 transmits the rendered theme map to the map service server 110.

Next, in step 417, the map service server 110 receives the rendered theme map from the GIS engine 120 and transmits the rendered theme map to the user terminal 130.

Next, in step 418, the user terminal 130 receives the rendered theme map and displays it on the screen. In this case, the user terminal 130 may be divided and displayed on the screen when there are a plurality of rendered thematic degrees.

As such, the system and method for providing a GIS information screen segmentation according to an embodiment of the present invention display a subject map regarding a map area that a user wants to see on the screen, and display the screen by dividing the screen according to the number of the subject maps. can do.

Therefore, according to an embodiment of the present invention, the map area that the user wants to see is based on different thematic maps (city planning, environment, underground facilities, etc.), different resolutions (scales) (1: 5000, 1: 25000, etc.), It can be analyzed by different formats (2D, 3D, etc.).

Embodiments of the present invention include computer readable media including program instructions for performing various computer implemented operations. The computer readable medium may include program instructions, local data files, local data structures, or the like, alone or in combination. The media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical recording media such as CD-ROMs, DVDs, magnetic-optical media such as floppy disks, and ROM, RAM, flash memory, and the like. Hardware devices specifically configured to store and execute the same program instructions are included. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below, but also by the equivalents of the claims.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

110: map service server
120: GIS engine
130: user terminal
140: spatial data server
210: theme map list generation unit
220: theme map rendering request unit
230: thematic map transmission unit
240: server control unit
310: spatial data query unit
320: theme map rendering unit
330: engine control unit

Claims (13)

When a user requests a list of thematic maps through a user terminal, a theme map list generation unit for generating the requested theme map list and providing the same to the user terminal; A theme map rendering request unit which selects a theme map, determines a map area associated with the theme map, and transmits the theme map and the map area to a GIS engine to request rendering of the theme map with respect to the map area; A map service server including a theme map transmitter configured to transmit a theme map rendered by the GIS engine to the user terminal according to a request; And
A spatial data query unit for receiving the theme map and the map area from a theme map rendering request unit of the map service server and querying a spatial data server for spatial data about the theme map and the map area, and a response to the query A GIS engine including a subject map rendering unit configured to receive spatial data corresponding to the query from the spatial data server and render the subject map of the map area
Including,
Thematic map rendering unit of the GIS engine
The subject map of the map area by visualizing the spatial data received from the spatial data server in a predetermined style in consideration of at least one of an interior / exterior of a building, a facility type, a 2D / 3D, a year, or a scale. Rendering the theme map for the map area by the number of screen displays determined by the theme map rendering requester, and displaying the divided screens of the GIS information screen, wherein the divided screens of the user terminal are displayed. .
delete delete The method of claim 1,
The subject map rendering request unit
And a number of screen displays of the map area according to the number of thematic maps.
The method of claim 1,
The subject map rendering request unit
When the subject map is a two-dimensional and three-dimensional theme map, the map region is transmitted to the GIS engine together with the two-dimensional and three-dimensional theme map to render the two-dimensional and three-dimensional theme map of the map region. GIS information screen segmentation providing system, characterized in that the request.
The method of claim 1,
The subject map rendering request unit
If the subject map is N (where N is a natural number) yearly aerial photographs, the map region is transmitted to the GIS engine together with the yearly aerial photographs to request rendering of the yearly aerial photographs for the map region. GIS information screen multi segmentation providing system, characterized in that the.
The method of claim 1,
The theme map rendering request unit
When the subject map includes various subject maps of M (the M is a natural number) including an aerial photograph, a digital elevation model (DEM) diagram, a basic map, and an underground facility map, the various thematic maps are combined with the map area. And a GIS engine to request rendering of the various theme maps of the map area.
The method of claim 1,
The theme map rendering request unit
If the subject map is a scaled map, the scaled map is transmitted to the GIS engine along with the map region to request rendering of the scaled map for the map region. .
delete delete In the GIS information screen segmentation providing system performed by the GIS information screen segmentation providing system including a map service server and a GIS engine,
Generating, by the map service server, the requested theme map list to the user terminal when the user requests the theme map list through the user terminal;
In the map service server, according to the user's selection, the user selects a desired subject map from the list of subject maps, determines a map region associated with the subject map, and transmits the subject map and the map region to the GIS engine. Requesting a rendering of the subject map with respect to the map area;
Receiving, at the GIS engine, the subject map and the map area from the map service server, and querying a spatial data server for spatial data on the subject map and the map area;
In the GIS engine, in response to the query, receiving spatial data corresponding to the query from the spatial data server and rendering the subject map of the map area; And
Receiving, at the map service server, the rendered theme map from the GIS engine and transmitting it to the user terminal;
Including,
Rendering the subject map
The subject map of the map area by visualizing the spatial data received from the spatial data server in a predetermined style in consideration of at least one of the inside / outside of the building, the facility type, the 2D / 3D, the year, or the scale. Rendering a theme map of the map area by the number of screen displays determined by the map service server, and displaying the divided maps on the divided screens of the user terminal.
GIS information screen segmentation providing method comprising a.
delete The method of claim 11,
Determining, by the map service server, the number of screen displays of the map area according to the number of thematic maps;
GIS information screen segmentation providing method further comprising a.

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