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阮清鸳  
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 More options Jun 30, 4:45 am
From: 阮清鸳 <ruanqingy...@gmail.com>
Date: Tue, 30 Jun 2009 16:45:51 +0800
Local: Tues, Jun 30 2009 4:45 am
Subject: google map
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各位高手，我们单位想用google map作一个污染源分布图，
我们现在用的是51地图的，因为在图上标注了太多点，以至于现在这个图速度季度慢……
现在想改布置方式，哪位高手帮忙下，俺想了解下google map的功能的说……
多谢各路英雄！！！

--
Qingyuan Ruan
Institute of Public & Environmental Affairs
Suite 601, Gate 3, Building 9, Xingfujiayuan,
Guangqumennei Avenue, Chongwen District,
Beijing 100062
Tel:  (8610) 6718 9470
Fax: (8610) 6713 6387
Cell: (86) 1580 160 8488
E-mail: ruanqingy...@gmail.com


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Zhang Jingjun  
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 More options Jun 30, 12:29 pm
From: Zhang Jingjun <zhang.jing...@gmail.com>
Date: Wed, 1 Jul 2009 00:29:29 +0800
Local: Tues, Jun 30 2009 12:29 pm
Subject: Re: google map
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我曾经从51ditu转移到Google Map上，两者在API方面差距不大，51ditu更加简单些，所以应该不会有什么难题。
问题在于51ditu和Google
Map的经纬度偏移参数不同，因此两个地图的坐标点不能直接切换。如果只是一个城市的话，相对还好办些，基本上有一个固定的偏移量。如果是多个城市和地区的话， 每个地区的偏移量都不同，要逐个人工核对，工作量蛮大的。

Eddie

2009/6/30 阮清鸳 <ruanqingy...@gmail.com>


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badnews  
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 More options Jun 30, 1:38 pm
From: badnews <worstn...@sina.com>
Date: Tue, 30 Jun 2009 10:38:52 -0700 (PDT)
Local: Tues, Jun 30 2009 1:38 pm
Subject: Re: google map
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       可以用 google map做。不过，点多，google map 也慢。

        可以在 google 地图上标点，同时将点坐标保存到自己的数据库。就是说点数据信息存在自己的数据库里。
    页面加载时从数据库读取点坐标，根据坐标加载的地图上，

    google map 有数据分布图，一次500点以下是免费的。


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阮清鸳  
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 More options Jun 30, 9:15 pm
From: 阮清鸳 <ruanqingy...@gmail.com>
Date: Wed, 1 Jul 2009 09:15:31 +0800
Local: Tues, Jun 30 2009 9:15 pm
Subject: Re: google map
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谢谢Eddie
是这样的，我现在利用51ditu的API做的图在上面添加了1600多个点……以至于，55555555555没法操作了……
点太多了……
我在想，google map 的免费api能支持多少点呢？

2009/7/1 Zhang Jingjun <zhang.jing...@gmail.com>

--
Qingyuan Ruan
Institute of Public & Environmental Affairs
Suite 601, Gate 3, Building 9, Xingfujiayuan,
Guangqumennei Avenue, Chongwen District,
Beijing 100062
Tel:  (8610) 6718 9470
Fax: (8610) 6713 6387
Cell: (86) 1580 160 8488
E-mail: ruanqingy...@gmail.com

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阮清鸳  
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 More options Jun 30, 9:17 pm
From: 阮清鸳 <ruanqingy...@gmail.com>
Date: Wed, 1 Jul 2009 09:17:12 +0800
Local: Tues, Jun 30 2009 9:17 pm
Subject: Re: google map
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谢谢badnews，你说的“google map 有数据分布图，一次500点以下是免费的”那如果是收费的话，最多可支持多少点？

2009/7/1 badnews <worstn...@sina.com>

>       可以用 google map做。不过，点多，google map 也慢。

>        可以在 google 地图上标点，同时将点坐标保存到自己的数据库。就是说点数据信息存在自己的数据库里。
>    页面加载时从数据库读取点坐标，根据坐标加载的地图上，

>    google map 有数据分布图，一次500点以下是免费的。

--
Qingyuan Ruan
Institute of Public & Environmental Affairs
Suite 601, Gate 3, Building 9, Xingfujiayuan,
Guangqumennei Avenue, Chongwen District,
Beijing 100062
Tel:  (8610) 6718 9470
Fax: (8610) 6713 6387
Cell: (86) 1580 160 8488
E-mail: ruanqingy...@gmail.com

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badnews  
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 More options Jun 30, 10:05 pm
From: badnews <worstn...@sina.com>
Date: Tue, 30 Jun 2009 19:05:26 -0700 (PDT)
Local: Tues, Jun 30 2009 10:05 pm
Subject: Re: google map
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 google 可以用 GMaker 加点，这种方式是免费的

分布图收费标准

What does it cost?
Our free version is limited to 100 points per call with a maximum of
500 calls per day. For a monthly fee (no commitment), you can send as
many points as you want, but are limited in the number of daily hits
per the scheduel below: Hits Per Day Price
200 US $20.00
500 US $50.00
1,000 US $87.50
2,500 US $159.09
4,500 US $210.00
Dedicated Server US $450.00
Optionally for a one time cost of US $2,499.00 you can license
the .NET DLL to run one URL. Contact us for multi URL licenses. We
offer discounts for purchasing more than one month at a time


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阮清鸳  
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 More options Jun 30, 10:35 pm
From: 阮清鸳 <ruanqingy...@gmail.com>
Date: Wed, 1 Jul 2009 10:35:54 +0800
Local: Tues, Jun 30 2009 10:35 pm
Subject: Re: google map
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谢谢：）

2009/7/1 badnews <worstn...@sina.com>

--
Qingyuan Ruan
Institute of Public & Environmental Affairs
Suite 601, Gate 3, Building 9, Xingfujiayuan,
Guangqumennei Avenue, Chongwen District,
Beijing 100062
Tel:  (8610) 6718 9470
Fax: (8610) 6713 6387
Cell: (86) 1580 160 8488
E-mail: ruanqingy...@gmail.com

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