A specialized geospatial intelligence skill for navigating the complexities of the China Geodetic Coordinate System 2000, ensuring precision in domestic mapping and surveying.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install cgcs2000
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install cgcs2000 using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is CGCS2000 Geospatial Expert?
The cgcs2000 skill is a technical framework designed for AI agents to accurately interpret and process the China Geodetic Coordinate System 2000. It bridges the gap between raw geographic data and professional surveying standards used across mainland China. By leveraging this Openclaw Skills module, developers can ensure their applications correctly handle the nuances of EPSG:4490 and its various projected counterparts.
This skill is essential for avoiding common pitfalls in Chinese geospatial workflows, such as confusing the CGCS2000 datum with consumer-grade obfuscated systems like GCJ-02 or BD-09. It provides the logical backbone needed to select the correct Gauss-Kruger zones, validate axis orders, and maintain high-fidelity data integrity during complex reprojection tasks.
CGCS2000 Geospatial Expert Use Cases
- Validating whether coordinates are geographic longitude/latitude in degrees or projected easting/northing in meters.
- Distinguishing between official survey data and coordinates from consumer map applications like Baidu or Amap.
- Selecting the appropriate Gauss-Kruger projection zone for localized engineering and cadastral measurement projects.
- Preparing geospatial datasets for official domestic GIS submission or professional QGIS processing.
- Comparing precision differences between WGS84 and CGCS2000 for high-accuracy surveying.
How CGCS2000 Geospatial Expert Works
- Analyze the input coordinate format to identify if the source is in degrees (geographic) or meters (projected).
- Verify the coordinate origin to determine if the data is true CGCS2000 or an offset system like GCJ-02.
- Determine the user's intent, such as web display, storage, or high-precision engineering analysis.
- Map the requirement to a specific EPSG code, typically EPSG:4490 for geographic or a specific projected CRS.
- Validate units and axis order to prevent common inversion errors before proceeding with transformation logic.
CGCS2000 Geospatial Expert Setup
To integrate this capability into your AI agent environment, ensure the Openclaw Skills framework is initialized and the cgcs2000 manifest is included in your skill path.
# Install the Openclaw CLI if not already present
npm install -g @openclaw/cli
# Add the cgcs2000 skill to your project
openclaw add cgcs2000
Ensure that the {baseDir}/references/cgcs2000-reference.md file is present in your local environment to provide the agent with necessary lookup tables for Gauss-Kruger zones.
CGCS2000 Geospatial Expert Data Schema & Taxonomy
The skill organizes geospatial metadata and transformation parameters according to the following taxonomy:
| Component | Description | Example Value |
|---|---|---|
| Datum | Primary reference frame | CGCS2000 |
| Geographic CRS | Standard geographic representation | EPSG:4490 |
| Projected CRS | Zone-based metric systems | CGCS2000 / Gauss-Kruger zone 13 |
| Units | Measurement scale | Degrees or Meters |
| Comparison | Relationship to other systems | WGS84, GCJ-02, BD-09 |
CGCS2000 Geospatial Expert Advanced Features
- Multi-system disambiguation: Automatically detects and warns when consumer map offsets (GCJ-02/BD-09) are mistakenly treated as standard Openclaw Skills outputs.
- Projection recommendation engine: Suggests the exact Gauss-Kruger zone based on the longitude of the target area.
- QGIS Integration Hand-off: Provides structured instructions for file-based batch reprojection when execution via external GIS tools is required.
- Regulatory Compliance Logic: Prioritizes official Chinese surveying standards for cadastral and infrastructure workflows.
SKILL.md
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