Upcoming SlideShare
×

# Geohex at Off4g2009

1,455 views

Published on

Published in: Technology
2 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

Views
Total views
1,455
On SlideShare
0
From Embeds
0
Number of Embeds
6
Actions
Shares
0
7
0
Likes
2
Embeds 0
No embeds

No notes for slide
• ### Geohex at Off4g2009

1. 1. GeoHex @sa2da 2009.12.21 #off4g #geohex
2. 2. What’s GeoHex ? Map GeoHex on Map
3. 3. GeoGaming Platform
4. 4. GeoCode Format
5. 5. Why GeoHex? VS No GeoHex GeoHex
6. 6. Match for Game not cool So Coooooool!!!
7. 7. Short Code 20 byte 4 byte
8. 8. Save Privacy for sa2da sa2da pinpoint vague
9. 9. Equal in distance 1 : 1.41 1:1
10. 10. Flexible Size 132KpxU ameEA 032Lr Level:1 Level:60
11. 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. 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. 13. GeoHex for what? Communication Game Tracking Index GIS Search Statistics
14. 14. Coming soon... Real Game Event GeoHex for World
15. 15. How to use GeoHex? Creative Commons License GitHub Perl kokogiko Ruby / GitHub hal_sk AS3 calcul_omikan http://github.com/geohex/
16. 16. Thanks! Contact Demo URL http://geogames.net/hex/