Geographic map establishing method and map system

Abstract

The invention belongs to the technical field of city management, and particularly relates to a geographic map establishing method, which comprises the following steps of: 1, determining targets and demands: determining the targets: firstly, determining the purposes and purposes of map making, such as teaching display, city planning, tourism guide, scientific research and the like, and analyzing the demands, the geographic map establishing method analyzes geographic elements (such as terrains, water systems, traffic, places of residence and the like) contained in the map and the detailed degree of the elements, and has the beneficial effects that the system emphasizes the independence and interdependence of each step, and requires careful consideration and strict execution in each stage, so that the efficiency of establishing the geographic map is greatly improved. And meanwhile, the system pays attention to the accuracy of the data and the practicability of the map so as to meet the requirements of different users, and through the system, the production of the geographic map becomes more standard, efficient and reliable.

Description

Technical Field

[0001] The present invention belongs to the technical field of urban management, and in particular relates to a geographical map establishment method and a map system. Background Art

[0002] Urban management components refer to various facilities within the public areas of urban management, including municipal utilities, road traffic facilities, urban sanitation facilities, landscaping and other categories. In order to better manage the city, it is very important to build a geographic map. Building a geographic map and establishing a system module is a complex and comprehensive process, which involves multiple links such as data collection, processing, analysis, storage, visualization and system management. Therefore, a more standardized, efficient and reliable geographic map establishment method is needed. Summary of the Invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides a geographical map creation method and a map system, which are more standardized, efficient and reliable.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A method for establishing a geographic map, comprising the following steps: Step 1, determining goals and requirements: Clarifying the purpose: First, it is necessary to clarify the purpose and use of map production, such as whether it is used for teaching demonstrations, urban planning and travel guides, or scientific research; Demand analysis: Based on the purpose, analyze which geographical elements (such as terrain, water systems, transportation, settlements, etc.) the map should include, and the level of detail these elements need to achieve; Audience positioning: Consider who the main users of the map are, so as to adjust the map's complexity, language, and visual style; Step 2: Data Collection and Collation: Data Sources: Collect various geographic data required for map production, including remote sensing images, GIS databases, topographic maps, administrative division maps, transportation network maps, etc. Data Screening: Based on the goals and needs, filter out data related to the map theme and eliminate irrelevant or redundant information. Data Collation: Clean, format, and standardize the data to ensure data consistency and accuracy. Step 3. Select the map scale: Scale determination: Select an appropriate map scale based on the map's display range, level of detail, and purpose. The scale selection directly affects the map's accuracy and readability. Zoom test: Preview the map effect at different scales to ensure that the selected scale can show sufficient details without causing visual clutter. Step 4: Design map content and symbols: Content planning: Based on the goals and needs, plan the specific content and hierarchical structure that the map should contain. Symbol design: Design or select appropriate map symbols to represent different geographical elements, such as using different colors, shapes, and sizes to distinguish different types of roads, water systems, and settlements. Legend: Prepare a legend to clearly explain the meaning of the various symbols and colors used in the map. Step 5. Map Editing and Drawing: Software Selection: Select appropriate GIS software or map drawing software for map editing and drawing. Layer Management: Use layer technology to draw different geographic elements on different layers for easy management and modification. Detail Adjustment: Make fine adjustments to the map, including color matching, line thickness, text annotation, etc., to ensure the map's aesthetics and readability. Step 6. Map review and correction: Internal review: Internal members of the project team will conduct a preliminary review of the map to check the accuracy, completeness and consistency of the map content. Expert review: Invite experts in relevant fields to review the map and provide professional opinions and suggestions. Correction and improvement: Based on the review and evaluation results, the map will be revised and improved as necessary.

[0005] Preferably, in step 2, tools such as Python's Scrapy and BeautifulSoup are used to crawl geographic data from the Internet, SQL is used to retrieve information from GIS databases and government public data, and ENVI and ERDAS Image are used to process and analyze remote sensing image data.

[0006] Preferably, ArcGls, QGIs, Adobe Illustrator, CorelDRAW, etc. are needed in step 4 for map design and editing.

[0007] Preferably, software such as ArcGls and QGIS is required in step 5 to provide powerful map editing and drawing functions.

[0008] Preferably, the same GIS software or map design software as that used in the editing and drawing stage is used in step six to correct map errors.

[0009] Preferably, a geographic map establishment system, a geographic map establishment method according to any one of claims 1-5, includes a data acquisition module, a data processing and analysis module, and a data storage and management module. The data acquisition module needs to determine the source of the data, which may include public data released by the government, satellite remote sensing images, drone aerial photography and GPS data, etc., and use remote sensing technology, GNSS and GIS data sharing platforms to obtain geographic spatial data, and then verify, clean and integrate the data to ensure the accuracy and consistency of the data.

[0010] Preferably, the data processing and analysis module needs to perform steps such as denoising, registration, cropping and resampling to improve data quality, and use GIS analysis functions such as spatial query, overlay analysis, buffer analysis, etc. to conduct in-depth analysis of the data, and then establish a data security mechanism to encrypt and store the data and back up it regularly to prevent data loss and leakage.

[0011] Preferably, the data storage and management module needs to design a suitable database architecture according to the data type and scale to ensure efficient storage and rapid retrieval of data, and develop corresponding functional modules based on the results of demand analysis, such as map display, data query, analysis and processing, and user management, and then establish a data security mechanism to encrypt the data for storage and regular back-up to prevent data loss and leakage.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention, this system emphasizes the independence and interdependence of each step, requiring careful consideration and strict execution at each stage to ensure the quality of the final map. At the same time, the system also focuses on data accuracy and map practicality to meet the needs of different users. Through this system, the production of geographic maps becomes more standardized, efficient and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 Schematic diagram of the method flow of the present invention; Figure 2 Schematic diagram of the system flow of the present invention. DETAILED DESCRIPTION

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] Example 1 See also Figure 1-2, the present invention provides the following technical solutions: a method for establishing a geographical map, comprising the following steps, step 1, determining goals and needs: clarifying the purpose: first, it is necessary to clarify the purpose and use of map production, such as whether it is used for teaching display, urban planning and travel guide or scientific research, etc., demand analysis: based on the purpose, analyze which geographical elements the map should include (such as terrain, water system, transportation, settlements, etc.), and the level of detail these elements need to achieve, audience positioning: consider who the main users of the map are, so as to adjust the complexity, language and visual style of the map; Step 2: Data Collection and Collation: Data Sources: Collect various geographic data required for map production, including remote sensing images, GIS databases, topographic maps, administrative division maps, transportation network maps, etc. Data Screening: Based on the goals and needs, filter out data related to the map theme and eliminate irrelevant or redundant information. Data Collation: Clean, format, and standardize the data to ensure data consistency and accuracy. Step 3. Select the map scale: Scale determination: Select an appropriate map scale based on the map's display range, level of detail, and purpose. The scale selection directly affects the map's accuracy and readability. Zoom test: Preview the map effect at different scales to ensure that the selected scale can show sufficient details without causing visual clutter. Step 4: Design map content and symbols: Content planning: Based on the goals and needs, plan the specific content and hierarchical structure that the map should contain. Symbol design: Design or select appropriate map symbols to represent different geographical elements, such as using different colors, shapes, and sizes to distinguish different types of roads, water systems, and settlements. Legend: Prepare a legend to clearly explain the meaning of the various symbols and colors used in the map. Step 5. Map Editing and Drawing: Software Selection: Select appropriate GIS software or map drawing software for map editing and drawing. Layer Management: Use layer technology to draw different geographic elements on different layers for easy management and modification. Detail Adjustment: Make fine adjustments to the map, including color matching, line thickness, text annotation, etc., to ensure the map's aesthetics and readability. Step 6. Map review and correction: Internal review: Internal members of the project team will conduct a preliminary review of the map to check the accuracy, completeness and consistency of the map content. Expert review: Invite experts in relevant fields to review the map and provide professional opinions and suggestions. Correction and improvement: Based on the review and evaluation results, the map will be revised and improved as necessary.

[0016] Specifically, in step 2, Python's Scrapy, BeautifulSoup and other tools are used to crawl geographic data from the Internet, SQL is used to retrieve information from GIS databases and government public data, ENVI and ERDAS Image are used to process and analyze remote sensing image data, and in step 4, ArcGls, QGIs, Adobe Illustrator, CorelDRAW, etc. are required for map design and editing.

[0017] Specifically, step five requires the use of software such as ArcGls and QGIS, which provide powerful map editing and drawing functions. Step six uses the same GIS software or map design software as that used in the editing and drawing stage to correct map errors.

[0018] Specifically, a geographic map establishment system, a geographic map establishment method according to any one of claims 1-5, includes a data acquisition module, a data processing and analysis module, and a data storage and management module. The data acquisition module needs to determine the source of the data, which may include public data released by the government, satellite remote sensing images, drone aerial photography and GPS data, etc., and use remote sensing technology, GNSS and GIS data sharing platforms to obtain geographic spatial data, and then verify, clean and integrate the data to ensure the accuracy and consistency of the data.

[0019] Specifically, the data processing and analysis module needs to perform steps such as denoising, registration, cropping and resampling to improve data quality, and use GIS analysis functions such as spatial query, overlay analysis, buffer analysis, etc. to conduct in-depth analysis of the data, and then establish a data security mechanism to encrypt the data for storage and regular back-up to prevent data loss and leakage.

[0020] Specifically, the data storage and management module needs to design a suitable database architecture based on the data type and scale to ensure efficient storage and rapid retrieval of data, and develop corresponding functional modules based on the results of demand analysis, such as map display, data query, analysis and processing, and user management, and then establish a data security mechanism to encrypt the data for storage and regular back-up to prevent data loss and leakage.

[0021] The working principle and use process of the present invention: Step 1: Determine goals and needs: Clarify the purpose: First, you need to clarify the purpose and use of the map, such as whether it is for teaching demonstrations, urban planning and travel guides, or scientific research. Needs analysis: Based on the purpose, analyze which geographical elements the map should include (such as terrain, water systems, transportation, settlements, etc.), and the level of detail these elements need to achieve. Audience positioning: Consider who the main users of the map are, so as to adjust the map's complexity, language, and visual style. Step 2: Data Collection and Collation: Data Sources: Collect various geographic data required for map production, including remote sensing images, GIS databases, topographic maps, administrative division maps, transportation network maps, etc. Data Screening: Based on the goals and needs, filter out data related to the map theme and eliminate irrelevant or redundant information. Data Collation: Clean, format, and standardize the data to ensure data consistency and accuracy. Step 3. Select the map scale: Scale determination: Select an appropriate map scale based on the map's display range, level of detail, and purpose. The scale selection directly affects the map's accuracy and readability. Zoom test: Preview the map effect at different scales to ensure that the selected scale can show sufficient details without causing visual clutter. Step 4: Design map content and symbols: Content planning: Based on the goals and needs, plan the specific content and hierarchical structure that the map should contain. Symbol design: Design or select appropriate map symbols to represent different geographical elements, such as using different colors, shapes, and sizes to distinguish different types of roads, water systems, and settlements. Legend: Prepare a legend to clearly explain the meaning of the various symbols and colors used in the map. Step 5. Map Editing and Drawing: Software Selection: Select appropriate GIS software or map drawing software for map editing and drawing. Layer Management: Use layer technology to draw different geographic elements on different layers for easy management and modification. Detail Adjustment: Make fine adjustments to the map, including color matching, line thickness, text annotation, etc., to ensure the map's aesthetics and readability. Step 6. Map review and correction: Internal review: Internal members of the project team will conduct a preliminary review of the map to check the accuracy, completeness and consistency of the map content. Expert review: Invite experts in relevant fields to review the map and provide professional opinions and suggestions. Correction and improvement: Based on the review and evaluation results, the map will be revised and improved as necessary.

[0022] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A method for establishing a geographical map, comprising the following steps, characterized in that: Step 1: Determine goals and needs: Clarify the purpose: First, you need to clarify the purpose and use of the map, such as whether it is for teaching demonstrations, urban planning and travel guides, or scientific research. Needs analysis: Based on the purpose, analyze which geographical elements the map should include (such as terrain, water systems, transportation, settlements, etc.), and the level of detail these elements need to achieve. Audience positioning: Consider who the main users of the map are, so as to adjust the map's complexity, language, and visual style. Step 2: Data Collection and Collation: Data Sources: Collect various geographic data required for map production, including remote sensing images, GIS databases, topographic maps, administrative division maps, transportation network maps, etc. Data Screening: Based on the goals and needs, filter out data related to the map theme and eliminate irrelevant or redundant information. Data Collation: Clean, format, and standardize the data to ensure data consistency and accuracy. Step 3. Select the map scale: Scale determination: Select an appropriate map scale based on the map's display range, level of detail, and purpose. The scale selection directly affects the map's accuracy and readability. Zoom test: Preview the map effect at different scales to ensure that the selected scale can show sufficient details without causing visual clutter. Step 4: Design map content and symbols: Content planning: Based on the goals and needs, plan the specific content and hierarchical structure that the map should contain. Symbol design: Design or select appropriate map symbols to represent different geographical elements, such as using different colors, shapes, and sizes to distinguish different types of roads, water systems, and settlements. Legend: Prepare a legend to clearly explain the meaning of the various symbols and colors used in the map. Step 5. Map Editing and Drawing: Software Selection: Select appropriate GIS software or map drawing software for map editing and drawing. Layer Management: Use layer technology to draw different geographic elements on different layers for easy management and modification. Detail Adjustment: Make fine adjustments to the map, including color matching, line thickness, text annotation, etc., to ensure the map's aesthetics and readability. Step 6. Map review and correction: Internal review: Internal members of the project team will conduct a preliminary review of the map to check the accuracy, completeness and consistency of the map content. Expert review: Invite experts in relevant fields to review the map and provide professional opinions and suggestions. Correction and improvement: Based on the review and evaluation results, the map will be revised and improved as necessary.

2. A geographical map creation method according to claim 1, characterized in that: In step 2, Python tools such as Scrapy and BeautifulSoup are used to crawl geographic data from the Internet, SQL is used to retrieve information from GIS databases and government public data, and ENVI and ERDAS Image are used to process and analyze remote sensing image data.

3. A geographical map creation method according to claim 1, characterized in that: In step 4, ArcGls, QGIs, Adobe Illustrator, CorelDRAW, etc. are needed for map design and editing.

4. A geographical map creation method according to claim 1, characterized in that: Step 5 requires the use of software such as ArcGls and QGIS, which provide powerful map editing and drawing functions.

5. A geographical map creation method according to claim 4, characterized in that: In step six, the same GIS software or map design software as used in the editing and drawing stage is used to correct map errors.

6. A geographic map creation system, according to a geographic map creation method according to any one of claims 1 to 5, comprising a data acquisition module, a data processing and analysis module, and a data storage and management module, characterized in that: The data acquisition module needs to determine the source of the data, which may include public data released by the government, satellite remote sensing images, drone aerial photography and GPS data, and use remote sensing technology, GNSS and GIS data sharing platforms to obtain geospatial data, and then verify, clean and integrate the data to ensure the accuracy and consistency of the data.

7. A geographical map creation system according to claim 6, characterized in that: The data processing and analysis module needs to perform steps such as denoising, registration, clipping and resampling to improve data quality, and use GIS analysis functions such as spatial query, overlay analysis, buffer analysis, etc. to conduct in-depth analysis of the data, and then establish a data security mechanism to encrypt the data for storage and regular back-up to prevent data loss and leakage.

8. A geographical map creation system according to claim 6, characterized in that: The data storage and management module needs to design a suitable database architecture based on the data type and scale to ensure efficient storage and rapid retrieval of data, and develop corresponding functional modules based on the results of demand analysis, such as map display, data query, analysis and processing, and user management, and then establish a data security mechanism to encrypt the data for storage and regular back-up to prevent data loss and leakage.

Images