Implement infinite map plane and LOD system for 3D radar view #45

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opened 2025-09-02 19:34:36 +02:00 by olemd · 0 comments

olemd commented

2025-09-02 19:34:36 +02:00

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Description

Enhance the 3D radar view with an infinite map plane and Level of Detail (LOD) system to improve performance and visual quality at different zoom levels.

Current Limitations

Map tiles are only loaded for a fixed area around the center
No dynamic tile loading as the view moves
All tiles rendered at the same detail level regardless of distance
Performance degrades with large tile counts

Proposed Features

Infinite Map Plane

Dynamic tile loading based on camera position and view frustum
Seamless tile loading/unloading as the view moves
Tile caching system to reduce redundant downloads
Smooth transitions when new tiles load

LOD System

Multiple detail levels based on distance from camera
Higher resolution tiles for close-up views
Lower resolution tiles for distant areas
Automatic detail level switching based on zoom level
Tile merging for far-away regions to reduce draw calls

Technical Implementation

Implement quadtree-based tile management
Use Three.js LOD objects for automatic detail switching
Implement tile request queuing and prioritization
Add tile fade-in animations for smooth loading
Optimize memory usage with tile recycling

Performance Goals

Maintain 60 FPS with hundreds of visible tiles
Reduce memory usage for distant tiles
Minimize network requests through intelligent caching
Support smooth panning across large geographic areas

Acceptance Criteria

Tiles dynamically load as camera moves
Multiple LOD levels implemented (at least 3)
Smooth transitions between detail levels
No visible tile popping or loading artifacts
Performance remains stable with large view areas
Memory usage stays bounded regardless of session length

#41 - 3D radar view enhancements (completed)
#42 - Advanced visual enhancements for 3D radar view (in progress)

## Description Enhance the 3D radar view with an infinite map plane and Level of Detail (LOD) system to improve performance and visual quality at different zoom levels. ## Current Limitations - Map tiles are only loaded for a fixed area around the center - No dynamic tile loading as the view moves - All tiles rendered at the same detail level regardless of distance - Performance degrades with large tile counts ## Proposed Features ### Infinite Map Plane - Dynamic tile loading based on camera position and view frustum - Seamless tile loading/unloading as the view moves - Tile caching system to reduce redundant downloads - Smooth transitions when new tiles load ### LOD System - Multiple detail levels based on distance from camera - Higher resolution tiles for close-up views - Lower resolution tiles for distant areas - Automatic detail level switching based on zoom level - Tile merging for far-away regions to reduce draw calls ### Technical Implementation - Implement quadtree-based tile management - Use Three.js LOD objects for automatic detail switching - Implement tile request queuing and prioritization - Add tile fade-in animations for smooth loading - Optimize memory usage with tile recycling ### Performance Goals - Maintain 60 FPS with hundreds of visible tiles - Reduce memory usage for distant tiles - Minimize network requests through intelligent caching - Support smooth panning across large geographic areas ## Acceptance Criteria - [ ] Tiles dynamically load as camera moves - [ ] Multiple LOD levels implemented (at least 3) - [ ] Smooth transitions between detail levels - [ ] No visible tile popping or loading artifacts - [ ] Performance remains stable with large view areas - [ ] Memory usage stays bounded regardless of session length ## Related Issues - #41 - 3D radar view enhancements (completed) - #42 - Advanced visual enhancements for 3D radar view (in progress)