transbigdata-coordinates

Convert geospatial coordinates between WGS84, GCJ02, and BD09 using TransBigData.

4|2|Updated Feb 4, 2026

Search Tags:#coordinates #coordinate-conversion #distance-calculation #transbigdata #gcj02 #wgs84 #bd09

Ready to run

npx skills add https://github.com/ni1o1/claude-skill-transbigdata --skill transbigdata-coordinates

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: transbigdata-coordinates
Source: https://github.com/ni1o1/claude-skill-transbigdata/tree/main/skills/transbigdata-coordinates
Command: npx skills add https://github.com/ni1o1/claude-skill-transbigdata --skill transbigdata-coordinates

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Enables reliable conversion between common Chinese and global coordinate systems and accurate distance calculations to remove mapping offsets and ensure spatial data interoperability.

Core Features & Use Cases

Coordinate system conversion: bidirectional transforms among WGS84, GCJ02, BD09, and BD09MC for point data and GeoDataFrames.
Vectorized distance computation: compute spherical distances in meters for single pairs or entire OD tables.
GeoDataFrame & shapefile support: bulk transform geometries, convert shapefiles between coordinate systems, and save results for mapping or analysis.
Use Case: convert Amap-collected taxi GPS (GCJ02) to WGS84, compute OD distances, and export transformed shapefiles for visualization.

Quick Start

Convert a CSV of GCJ02 GPS points to WGS84 and compute distances in meters using the TransBigData functions.

Frequently Asked Questions about transbigdata-coordinates

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I convert GPS coordinates from GCJ02 to WGS84?▼

You can convert GPS coordinates from GCJ02 to WGS84 using bidirectional transform functions that process point data and GeoDataFrames to remove mapping offsets for accurate spatial analysis.

What is the best way to calculate spherical distances for an OD table?▼

The best way to calculate spherical distances for an OD table is by using vectorized distance computation functions that accurately measure the distance in meters for single pairs or entire datasets.

Can I transform shapefile geometry between coordinate systems in bulk?▼

Yes, you can bulk transform shapefile geometry between coordinate systems by applying vectorized GeoDataFrame conversions and saving the transformed results for mapping or analysis.

Why does my Amap taxi GPS data show a mapping offset?▼

Your Amap taxi GPS data shows a mapping offset because it uses the GCJ02 coordinate system, which requires conversion to WGS84 to ensure spatial data interoperability and accurate visualization.

Does this coordinate conversion tool support BD09 and BD09MC formats?▼

Yes, this coordinate conversion tool supports bidirectional transforms among WGS84, GCJ02, BD09, and BD09MC formats for point data and GeoDataFrames to ensure accurate mapping.

How do I normalize Amap and Baidu datasets for interoperability?▼

You normalize Amap and Baidu datasets by converting their respective GCJ02 and BD09 coordinates to a standard system like WGS84 using point-wise or vectorized GeoDataFrame conversions.