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zarathustra333
203mo ago
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Landcheck – is coordinate is on land?
by jaakl·Jun 12, 2026·1 point·0 comments
AI Analysis
●●●BangerWizardryBig BrainNiche Gem
182 KB global land/sea dataset with microsecond lookups—no server calls needed.
Strengths
- •Trifold grid architecture compresses Natural Earth data to 182 KB with measurable performance
- •Optional OSM coastal refinement handles edge cases where coastline accuracy matters
- •Pure client-side execution means zero network latency for classification queries
Weaknesses
- •Natural Earth 1:50m resolution misses small islands and counts lakes as land
- •Niche use case limits broader developer adoption beyond geospatial work
Category
Target Audience
Geospatial developers, mapping applications, offline-first apps
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Turf.js · Nominatim · geojson-pip
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