Unverified50% confidenceFactExact time

SRID 4326 corresponds to the WGS84 geographic coordinate system (longitude/latitude), and SRID 3857 corresponds to the Web Mercator projection (the common coordinate system for WebGIS base maps).

1

Sources

50%

Confidence

Long-term

Relevance

9/22/2026

First Seen

Sources

Claude Code + Codex Dual-Agent Collaboration: A Full-Stack WebGIS Development Deep Dive

Related Entities

SRIDconcept WGS84concept

Related Claims

UnverifiedWGS84是GPS系统及ADS-B数据所使用的全球地理坐标参考系，以地球质心为原点76% similar UnverifiedTfL提供的地理数据通常采用WGS84坐标系，英国国家测量局还维护OSGB36/British National Grid坐标体系70% similar Unverified在大范围空间分析中直接用WGS84地理坐标系计算欧几里得距离会产生显著误差，应先投影到合适的平面坐标系（如南加州适用的UTM Zone 11N）70% similar

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