System and method for providing tile-map using electronic navigation chart

• US 9,395,194 B2
• Filed: 10/08/2013
• Issued: 07/19/2016
• Est. Priority Date: 03/08/2013
• Status: Expired due to Fees

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Jang, In Sung, Kim, Min Soo, Lee, Chung Ho
• Primary Examiner(s): He, Yingchun
• Application Number:
  US14/049,083
• Publication Number:
  US 20140253577A1
• Time in Patent Office: 1,015 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G01C 21/3881 Tile-based structures
• CPC Class Codes: G09B 29/005 Map projections or methods associated specifically therewith
• CPC Class Codes: G09B 29/007 using computer methods

Abstract

A system and method are provided, the system and method for providing a tile map related to a region having low data frequency or a region having same color property, by providing the tile map using not only national territorial information on land but also marine spatial information and dynamic sensing information.

Claims

1. A tile map generation apparatus comprising:

a storage to store image-based tile map data, vector-based tile map data, and extension additional data; and

a capable of performing operations comprising;

a first operation of adding at least one layer including at least one of national spatial information, marine spatial information, and dynamic sensing information, setting a presentation order and presentation zoom level with respect to the at least one added layer, and setting presentation style information with respect to the at least one added layer;

a second operation of setting environmental parameters of tiling for generation of a tile map;

a third operation of determining whether to express the at least one added layer, selecting at least one layer to be presented at a tile scale level, selecting an object to be included in a tile region, and generating image-based tile map data, vector-based tile map data, and extension additional data based on the selected object,

wherein the third operation includes generating the image-based tile map data, the vector-based tile map data, and the extension additional data, corresponding to the tile region, and

wherein the vector-based tile map data is generated at a particular tile scale level only and

wherein the third operation comprises;

a first sub-operation of checking whether at least one layer is to be expressed, and selecting the at least one layer to be presented at the tile scale level according to the presentation order;

a second sub-operation of selecting the object to be included in the tile region of the selected layer; and

a third sub-operation of determining presence of the object, and linking the extension additional data having a background color as tile color information to tile map identification information when the object is absent or generating the image-based tile map data and the vector-based tile map data by reflecting the set presentation style information when the object is present.

2. The tile map generation apparatus of claim 1, wherein the setting presentation style information comprises:

setting a first presentation style with respect to at least one style selected from a line thickness, a background color, a foreground color, and a symbol of the at least one added layer; and

setting a second presentation style with respect to at least one analysis function selected from a thematic analysis, a distribution map analysis, a statistical analysis, and a mining analysis.

3. The tile map generation apparatus of claim 1, wherein the setting environmental parameters comprises setting at least one of identification information, a tile region, a tile scale section, a coordinate system, and a vector tile generation condition with respect to a tile map service.

4. The tile map generation apparatus of claim 1, wherein the third sub-operation comprises linking the extension additional data to the tile map identification information and loading a linked result into a database (DB).

5. The tile map generation apparatus of claim 1, wherein the third sub-operation comprises generating image data having an N×

M times size, where N and M are natural numbers, with respect to a width and a length of the tile region in a memory device context (DC), based on the set presentation style information, and dividing the image data into at least one tile map data.

6. The tile map generation apparatus of claim 5, wherein the third sub-operation comprises linking the tile map identification information to the extension additional data including the tile color information and loading a linked result into a DB when the tile color information of the at least one tile map data corresponds to a single color.

7. The tile map generation apparatus of claim 1, wherein the third sub-operation comprises generating the vector-based tile map data when the at least one tile map data includes the dynamic sensing information.

8. The tile map generation apparatus of claim 1, wherein the third sub-operation comprises generating the vector-based tile map data by encoding and compressing geographical spatial information and attribute information.

9. A tile map providing server comprising:

a storage to store tile map data including image-based tile map data, vector-based tile map data, and extension additional data; and

a capable of performing operations comprising;

analyzing a map region information request received from a client, and transmitting tile map data corresponding to the analyzed map region information request to the client; and

reading the tile map data from the storage in response to the analyzed map region information request, and processing the tile map data,

wherein the tile map data includes image-based tile map data, vector-based tile map data, and extension additional data, corresponding to a tile region that is related to the analyzed map region information request,

wherein the vector-based tile map data is at a particular tile scale level only, and

wherein the processor further comprises generating the image-based tile map data, the vector-based tile map data, and the extension additional data by;

adding at least one layer including at least one of national spatial information, marine spatial information, and dynamic sensing information, setting a presentation order and presentation zoom level with respect to the at least one added layer, and setting presentation style information with respect to the at least one added layer;

setting environmental parameters of tiling for generation of a tile map;

checking whether at least one layer is to be expressed, and selecting the at least one layer to be presented at a tile scale level according to the presentation order;

selecting an object to be included in the tile region of the selected layer; and

determining presence of the object, and linking the extension additional data having a background color as tile color information to tile map identification information when the object is absent or generating the image-based tile map data and the vector-based tile map data by reflecting the set presentation style information when the object is present.

10. The tile map providing server of claim 9, wherein the processor further comprises processing image data corresponding to the tile color information included in the extension additional data when the analyzed map region information request is related to a region including the extension additional data.

11. A tile map receiving client comprising:

a storage; and

a capable of performing operations comprising;

transmitting a map region information request to a server;

controlling storage of tile map data including at least one of image-based tile map data, vector-based tile map data, and extension additional data;

generating map data by receiving the tile map data and merging at least one tile map data; and

storing the map data into a storage or providing the map data to the user,

wherein the image-based tile map data, the vector-based tile map data, and the extension additional data included in the tile map data correspond to a tile region that is related to the map region information request,

wherein the vector-based tile map data is at a particular tile scale level only, and

wherein the image-based tile map data, the vector-based tile map data, and the extension additional data are generated by;

adding at least one layer including at least one of national spatial information, marine spatial information, and dynamic sensing information, setting a presentation order and presentation zoom level with respect to the at least one added layer, and setting presentation style information with respect to the at least one added layer;

setting environmental parameters of tiling for generation of a tile map;

checking whether at least one layer is to be expressed, and selecting the at least one layer to be presented at a tile scale level according to the presentation order;

selecting an object to be included in the tile region of the selected layer; and

determining presence of the object, and linking the extension additional data having a background color as tile color information to tile map identification information when the object is absent or generating the image-based tile map data and the vector-based tile map data by reflecting the set presentation style information when the object is present.

12. A tile map providing system comprising:

a server to store tile map data including image-based tile map data, vector-based tile map data, and extension additional data, and to analyze a map region information request received from a client so as to process the tile map data corresponding to the analyzed map region information request and transmit the processed tile map data to the client; and

the client to control storage of the tile map data received from the server, to transmit the map region information request to the server, and to generate map data by receiving the tile map data and merging at least one tile map data and store the map data into a storage or providing the map data to a user,

wherein the image-based tile map data, the vector-based tile map data, and the extension additional data included in the tile map data correspond to a tile region that is related to the map region information request,

wherein the vector-based tile map data is at a particular tile scale level only, and

wherein the image-based tile map data, the vector-based tile map data, and the extension additional data are generated by;

adding at least one layer including at least one of national spatial information, marine spatial information, and dynamic sensing information, setting a presentation order and presentation zoom level with respect to the at least one added layer, and setting presentation style information with respect to the at least one added layer;

setting environmental parameters of tiling for generation of a tile map;

checking whether at least one layer is to be expressed, and selecting the at least one layer to be presented at a tile scale level according to the presentation order;

selecting an object to be included in the tile region of the selected layer; and

determining presence of the object, and linking the extension additional data having a background color as tile color information to tile map identification information when the object is absent or generating the image-based tile map data and the vector-based tile map data by reflecting the set presentation style information when the object is present.

13. A tile map generation method comprising:

adding at least one layer which includes at least one of national spatial information, marine spatial information, and dynamic sensing information;

setting a presentation order and presentation zoom level with respect to the at least one added layer, and setting presentation style information with respect to the at least one added layer;

setting tiling for providing a tile map service;

determining whether to express the at least one added layer, selecting at least one layer to be presented at a tile scale level, and selecting an object to be included in a tile region; and

generating image-based tile map data, vector-based tile map data, and extension additional data based on the selected object,

wherein the image-based tile map data, the vector-based tile map data, and the extension additional data are generated to correspond to the tile region,

wherein the vector-based tile map data is generated at a particular tile scale level only,

wherein the determining comprises;

checking whether at least one layer is to be expressed, and selecting the at least one layer to be presented at the tile scale level according to the presentation order;

selecting the object to be included in the tile region of the selected layer; and

determining presence of the object, and linking the extension additional data having a background color as tile color information to tile map identification information when the object is absent or generating the image-based tile map data and the vector-based tile map data by reflecting the set presentation style information when the object is present, and

wherein the image-based tile map data and the vector-based tile map data are generated by reflecting the set presentation style information when the object is present.