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# Geohex at Off4g2009

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• 1. GeoHex @sa2da 2009.12.21 #off4g #geohex
• 2. What’s GeoHex ? Map GeoHex on Map
• 3. GeoGaming Platform
• 4. GeoCode Format
• 5. Why GeoHex? VS No GeoHex GeoHex
• 6. Match for Game not cool So Coooooool!!!
• 7. Short Code 20 byte 4 byte
• 8. Save Privacy for sa2da sa2da pinpoint vague
• 9. Equal in distance 1 : 1.41 1:1
• 10. Flexible Size 132KpxU ameEA 032Lr Level:1 Level:60
• 11. Easy to use distance function getDistance(_x1,_y1, _x2,_y2) { _x2 = _x2 * Math.PI / 180.0; _y2 = _y2 * Math.PI / 180.0; _x1 = _x1 * Math.PI / 180.0; _y1 = _y1 * Math.PI / 180.0; var dx=_x2-_x1; var dy=_y2-_y1; var A = 6378137; // (6378137m) A.x - B.x var x = A * (dx) * Math.cos( _y1 ); var y = A * (dy); var old_exp = exp; dy=Math.log(Math.tan(Math.PI/4+_y2/2))-Math.log(Math.tan(Math.PI/4+_y1/2)); var rad=((dy>=0) ? 1:-1)*Math.acos(dx/Math.sqrt(dx*dx+dy*dy))*180.0/Math.PI; var tmpdist = Math.round(Math.sqrt(x*x + y*y)); totaldist = totaldist + tmpdist; distcnt(); }
• 12. Easy to use route with 6 direction 35.661960,139.697900 132KpxU 35.660093,139.701741 2 . . 3 . . 2 . . . . 20 × (n) byte 7 + (n) byte
• 13. GeoHex for what? Communication Game Tracking Index GIS Search Statistics
• 14. Coming soon... Real Game Event GeoHex for World
• 15. How to use GeoHex? Creative Commons License GitHub Perl kokogiko Ruby / GitHub hal_sk AS3 calcul_omikan http://github.com/geohex/
• 16. Thanks! Contact Demo URL http://geogames.net/hex/