some experiences in routing from QC to Paete, Laguna GPS initially wanted me to take Ortigas avenue probably via Manila East Road, kept on bugging me even on Shaw. After Magallanes, it wanted me to take Sucat road. unit only corrected itself after passing Alabang and guided me to the correct route though I took the narrow bypass route in Calamba
routing from Paete to Nagcarlan underground cemetery was fine except the untagged one-way road in nagcarlan public market (now corrected) my earlier reported routing problem in Munoz, QC was corrected with the making of Roosevelt avenue into a road with no center island. Note San Francisco del Monte (frisco) still has the center island on OSM even though it really doesn't exist except on the bridge near Roosevelt. Expect routing errors in that area as i still don't dare touch the street (what's an admin boundary, btw?) I'm trying to know the routing algorithm of Garmin in determining route, and the effects of GPS unit settings (shortest route, ecoroute). I presume certain factors like distance, max speed, highway type, lanes are all included but i don't know which is considered first. (one of my past jobs is an inter-network routing engineer, finding optimum packet paths on the Internet for a telco/ISP) that's why i wanted to know how i can tweak routes to suit my needs) I'm using gps routing just to know if it's but i still don't trust it. as the saying goes, Trust but verify...or better: verify then trust! -- --- I explore, therefore I blog. http://www.backpackingphilippines.com
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