amillb / pgMapMatch

map-matching of GPS traces
MIT License
75 stars 20 forks source link

Add warnings for lat/lon projections and missing indexes #19

Open amillb opened 4 years ago

amillb commented 4 years ago

The algorithm pulls candidate edges from within a distance, but this is designed for a projection in meters. If the projection is in degrees, almost every edge will be assessed, and memory will run out fast.