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Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Dec 2, 2024 · Frontend Development

Hand-Drawn Route Planning and Road Matching with AMap: Implementation, GPX Export, and Animation Optimization

This article presents a complete front‑end solution for hand‑drawing cycling routes on AMap, applying road‑matching correction, exporting to GPX, adding waypoint‑based route planning, and enhancing map animations with custom setCenter and setFitView functions, all illustrated with full source code.

AMapHand DrawingJavaScript
0 likes · 11 min read
Hand-Drawn Route Planning and Road Matching with AMap: Implementation, GPX Export, and Animation Optimization
High Availability Architecture
High Availability Architecture
Feb 28, 2017 · Backend Development

Designing a Backend System for an Uber‑Like Ride‑Hailing App with Animated Map Cars Using Go

This article describes how a ride‑hailing service built a memory‑based backend that animates cars on a map, covering challenges of sparse GPS updates, route planning with OSRM, protocol selection (UDP), data serialization (Protobuf), storage architecture, geospatial indexing with R‑tree, and the final API design.

GoProtobufR-tree
0 likes · 9 min read
Designing a Backend System for an Uber‑Like Ride‑Hailing App with Animated Map Cars Using Go