tai google map

article Information Plate : Technical author : text/Pascal Buirey translation/amanda editor 's note: I analyzed how Google map works, especially how to tiles code. Google Map uses a tiles, which can be implemented via a simple URL address. Author Introduction : source : I analyzed how

The article I saw last year http://www.earthplayer.com/bbs/viewthread.php?tid=321 is now inaccessible, and the address of the tile server is changed. Update and leave it for backup. Algorithm analysis of Google map tile MapMAP Tile Encoding Google Map uses two algorithms to encode the location of the tile. The URL addr

This is an experiment that I did when I first came into contact with the Google map API last year. I didn't do any further work in the future, but I wrote a draft and kept it in my blog post. Although some ideas are naive, there are even some errors. Today it seems that there are still some reference values, so I will release the draft for you to have a look. The original text is as follows: 0. Descripti

Mbtiles is a map tile storage data specification, it uses SQLite database, can greatly improve the reading speed of massive map tiles, than through the tile file way of reading much faster, suitable for Android, iphone and other smart phone offline map storage. For more information, please refer to: Mbtiles Mobile Storage Introduction.In the Web

Google map and Yahoo map have released their own APIs, which can be used for free. It feels very good. You should think about some problems (note: microsoft's mappoint already has a paid web service, and the desktop version can also be embedded into the application.Program). Google

Google maps are popular and useful in searching for stores or other interesting places we want to know. maps are specially integrated into their websites by some stores so that they can be easily located. Although it is not easy to integrate, Google Maps are simple and eye-catching. it takes a long and complex process to integrate it on your site. however, thanks to jQuery, which has many practical

Google map for my blog Author: zhangguiquan Keywords: Google map and wibsite Google maps is a very cool WebGIS application, basing on some traditional web and maps technologies and the popular web Tchnology Ajax, whitch is considered as the core parameter loy of the Web 2.0.

Transferred from: http://blog.sina.com.cn/s/blog_4ffbe80f01018w5o.html GoogleOpen Google Maps-find destinations-right-click: This location is centered and the address bar type javascript:void (Prompt (", Gapplication.getmap (). Getcenter ())); enterIf the above method does not show, error ' Prompt is not defined ' or others do not, try the following methodsFirefox opens Google Maps-Find a destination-right

, locating and so on. The JavaScript code is as follows: 1function Getquadtreeurl_ (lon, LAT)2{3 var PI = 3.1415926535897;4 var digits = 18; How many digits precision5//Now convert to normalized square coordinates6//Standard equations to map into Mercator projection7 var x = (180.0 + parsefloat (lon))/360.0;8 var y =-parsefloat (lat) * pi/180; Convert to radians9y = 0.5 * Math.log ((1+math.sin (Y))/(1-math.sin (y)));11Y *= 1.0/(2 * PI); Scale factor

Introduction to Google Map/Reduce framework Skynet in Ruby, rubyskynet Skynet is a very loud name, because it is the super computer network that rules humans in the movie Terminator, a classic movie starring Arnold Schwarzenegger. However, Skynet in this article is not so scary. It is just the name of a ruby-version Google Ma