• Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
No Downloads

Views

Total Views
1,159
On Slideshare
0
From Embeds
0
Number of Embeds
0

Actions

Shares
Downloads
5
Comments
0
Likes
2

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 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/