CN-121979962-A - Map batch generation method for multi-source geographic information data

CN121979962ACN 121979962 ACN121979962 ACN 121979962ACN-121979962-A

Abstract

The invention discloses a map batch generation method for multisource geographic information data, and belongs to the technical field of computer graphics. The method comprises the steps of map database construction, map knowledge base design, sample image design and template manufacture, intelligent queue construction and map result output. The multi-source geographic information data is collected, the multi-source data are cleaned and integrated, a drawing rule base of a map knowledge base is established, drawing rule definition, dynamic template generation and intelligent task queue scheduling are standardized, and full-flow automation of map generation is achieved. The method solves the problems of difficult integration of multi-source data, more manual intervention, low batch processing efficiency and the like in the traditional map preparation, remarkably improves the map generation efficiency and quality, and is suitable for scenes needing large-scale map customization such as natural resource management, urban planning and the like.

Inventors

WANG JIANZHONG
ZHOU BAILIN
PENG YI
WANG YANJIANG
YANG YAHUI
YUAN YE
LIU JUAN
Wang Toufeng
TANG WEI

Assignees

自然资源部第三地理信息制图院

Dates

Publication Date: 20260505
Application Date: 20260331

Claims (9)

1. The map batch generation method for the multi-source geographic information data is characterized by comprising the following steps of: The map database construction comprises the steps of collecting multi-source geographic information data, wherein the multi-source geographic information data comprises basic mapping geographic information data, internet interest points, a map result library and thematic data, and processing and building the multi-source geographic information data; the map knowledge base design, namely establishing a drawing rule base of the map knowledge base, wherein the drawing rule base covers drawing rules, symbol standards and annotation patterns, and designing a map element base; The map knowledge base is called to manufacture a sample map, the sample map comprises a sample map document, a sample map database and a drawing configuration file, and a map template is extracted based on the sample map and the map knowledge base; The intelligent queue construction comprises the steps of carrying out flow decomposition on map generation tasks, configuring an automatic drawing parameter file, determining a map drawing range, storing the map drawing range in a space data file, selecting a basic geographic base map database layer and a map database layer, setting map paper parameters, and calculating map scale; And outputting the map achievement, namely analyzing each drawing task in the task queue by the task queue based on the task information in the intelligent queue, and reading a corresponding drawing parameter file.
2. The map batch generation method for multi-source geographic information data according to claim 1, wherein processing the multi-source geographic information data comprises: and cleaning, integrating and standardizing the multisource geographic information data, designing a map database structure, and storing the processed data according to geographic characteristics and attribute information.
3. The method for map batch generation for multi-source geographic information data as claimed in claim 1, wherein, The map element library comprises graphic patterns, colors, transparency attributes and thematic symbol sets of point, line and surface geographic elements.
4. The method for map batch generation for multi-source geographic information data as claimed in claim 1, wherein, The map template comprises a map basic frame, a map layer configuration and a symbology.
5. The method for map batch generation for multi-source geographic information data as claimed in claim 1, wherein, The parameter file comprises map projection information, scale information, annotation information, legend information, finishing information, thematic data layers and thematic data rendering patterns.
6. The method for map batch generation for multi-source geographic information data as claimed in claim 1, wherein, Analyzing the drawing tasks in the intelligent task queue, reading corresponding drawing parameter files, automatically generating a map template, monitoring the map generation quality and progress in real time, correcting and optimizing the map which does not meet the requirements, and storing and outputting map results according to a preset format.
7. The method for map batch generation for multi-source geographic information data as claimed in claim 1, wherein, Determining map drawing range according to drawing requirement, storing map name information and space geometric information of each map to be generated by using space data file, selecting basic geographic base map database layer and map database layer required for generating map, setting map paper parameter.
8. The map batch generation method for multi-source geographic information data according to claim 1 or 7, wherein, The map projection is determined by setting the horizontal and vertical plate directions of the map, and map scale is calculated, wherein the calculation process is as follows: cross-plate map scale = ; Vertical map scale = 。
9. A computer readable storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the method of any of claims 1-8.

Description

Map batch generation method for multi-source geographic information data Technical Field The invention belongs to the technical field of computer graphics, and particularly relates to a map batch generation method for multi-source data. Background The map is a core tool for geographic information visualization and decision support, and has irreplaceable functions in a plurality of fields such as natural resource management, city planning, traffic navigation and the like. However, the traditional map making process faces a plurality of technical pain points for a long time, namely the making process faces pain points such as difficult multi-source data integration, different standards, high manual intervention cost, low batch processing efficiency and the like for a long time. The traditional method needs to manually process basic mapping data, internet POI and other multi-source heterogeneous data, and the mapping rules (such as symbologies and annotation specifications) are highly dependent on expert experiences and difficult to standardize, and meanwhile, a single map design mode lacks task queue management and dynamic template multiplexing capability and cannot meet the large-scale map generation requirement. In recent years, the multisource geographic data fusion and automatic drawing technology is advanced, but the conventional system still has key limitations that a drawing knowledge base stays at a static symbol calling level, dynamic reasoning of rules such as element priority, conflict avoidance and the like is lacked, resource allocation is not optimized in batch task scheduling, so that a high-complexity map is excessively long in time consumption, templates are strongly bound with data, the templates are repeatedly constructed when the thematic type is replaced, and flexibility and adaptability are insufficient. Therefore, a map generation method capable of realizing efficient integration, standardization of drawing processes and intelligent batch processing of multi-source data is needed to solve the defects of the prior art. Disclosure of Invention Therefore, in order to solve the problems, the invention provides a map batch generation method for multi-source geographic information data, which achieves high efficiency, accuracy and customization of map generation and enhances the universality and adaptability of the method. In order to achieve the above purpose, the present invention provides the following technical solutions: in one aspect of the invention, a map batch generation method for multi-source geographic information data is protected, which comprises the following steps: The map database construction comprises the steps of collecting multi-source geographic information data, wherein the multi-source geographic information data comprises basic mapping geographic information data, internet interest points, a map result library and thematic data, and processing and building the multi-source geographic information data; the map knowledge base design, namely establishing a drawing rule base of the map knowledge base, wherein the drawing rule base covers drawing rules, symbol standards and annotation patterns, and designing a map element base; the design of a sample map and the manufacture of a template are carried out, wherein the sample map comprises a sample map document, a sample map database and a drawing configuration file, and the map template is extracted based on the sample map and the map knowledge base; The intelligent queue construction comprises the steps of carrying out flow decomposition on map generation tasks, configuring an automatic drawing parameter file, determining a map drawing range, storing the map drawing range in a space data file, selecting a basic geographic base map database layer and a map database layer, setting map paper parameters, and calculating map scale; And outputting the map achievement, namely analyzing each drawing task in the task queue by the task queue based on the task information in the intelligent queue, and reading a corresponding drawing parameter file. Further, the processing the multi-source geographic information data includes: and cleaning, integrating and standardizing the multisource geographic information data, designing a map database structure, and storing the processed data according to geographic characteristics and attribute information. Further, the map element library comprises graphic styles, colors, transparency attributes and thematic symbol sets of point, line and surface geographic elements. Further, the map template includes a map base frame, a layer configuration, and a symbology. Further, the parameter file includes map projection information, scale information, annotation information, legend information, finishing information, thematic data layers, and thematic data rendering styles. Further, drawing tasks in the intelligent task queue are analyzed, corresponding drawing parameter files are read, a map template is au