街景数据是由 Google 付费的车辆使用特殊工具（LIDAR 探测器 + 8 路摄像机）行驶并收集数据而收集的。
总的来说，在每种情况下，您都可以在任何 Google 地图的右下角查看各种数据源——至少是那些需要记入的数据源，这不是全部。
Google Maps data is based on many sources, depending on both the type of data, and the area you're looking at.
Vector (Road, Park, etc. data)
Vector data, like roads, points of interest, etc. are bought from many different companies. Tele Atlas is one of their worldwide data providers, and is a key component, especially outside densely populated urban areas.
In some areas, this data is combined with other vector data providers, like Sanborn, who do 3D building outlines, as well as combining with more local sources of data, such as organizations which collect POI data (restaurants, etc.).
In countries other than the US, data is often purchased from a National Mapping Agency; a government agency tasked with collecting and distributing map data.
In some cases, data -- especially for populating searches -- is gathered via the web, and geocoded (looked up by address) to be placed on the map.
This data is commercial; the collection aspects are expensive, and Google pays a significant amount of money to license the data for this usage. (The actual amount is not public knowledge.)
Imagery
Imagery data for Google is similarly collected via many sources. Imagery up to .5M/px (Letting you see cars clearly, but not people) is typically collected via satellites flown by Digital Globe or Geoeye. (Geoeye actually flies a satellite, "Geoeye1", which was funded by Google in large part.)
In addition, Google adds in many different public datasources, from government organizations and programs (USGS, NAIP), state and local organizations, and more. In addition, for high profile events Google will sometimes specifically pay a company to do an overflight -- this was the case for the Haiti earthquake, and is common for them to do during the Burning Man festival.
Street View
Streetview data is collected by vehicles paid by Google to drive around with special tools (LIDAR detectors + 8-way videocameras) and collect the data.
Overall, in each case, you can look at the various sources for data -- at least those that require crediting, which is not all of them -- in the lower right hand corner of any Google Map.
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Google 地图数据基于多种来源，具体取决于数据类型以及您正在查看的区域。
矢量（道路、公园等数据）
矢量数据，如道路、兴趣点等，是从许多不同的公司购买的。 Tele Atlas 是他们的全球数据提供商之一，并且是一个关键组成部分，尤其是在人口稠密的城市地区之外。
在某些地区，这些数据会与其他矢量数据提供商（例如制作 3D 建筑轮廓的 Sanborn）相结合，并与更多本地数据源相结合，例如收集 POI 数据的组织（餐馆等）。
在美国以外的国家，数据通常是从国家测绘机构购买的；负责收集和分发地图数据的政府机构。
在某些情况下，数据（尤其是填充搜索的数据）是通过网络收集的，并进行地理编码（按地址查找）以放置在地图上。
该数据为商业数据；收集方面的费用很高，谷歌支付了大量费用来许可数据用于此用途。 （实际数量并不为公众所知。）
图像
Google 的图像数据同样是通过许多来源收集的。高达 0.5M/px 的图像（让您清楚地看到汽车，但看不到人）通常是通过 Digital Globe 或 Geoeye 飞行的卫星收集的。 （Geoeye 实际上搭载了一颗卫星“Geoeye1”，该卫星的大部分资金均由 Google 资助。）
此外，Google 还添加了许多不同的公共数据源，包括来自政府组织和项目（USGS、NAIP）、州和地方组织等。此外，对于备受瞩目的活动，谷歌有时会专门付费给一家公司进行飞越——海地地震就是这种情况，在火人节期间谷歌这样做很常见。
街景
街景数据是由 Google 付费的车辆使用特殊工具（LIDAR 探测器 + 8 路摄像机）行驶并收集数据而收集的。
总的来说，在每种情况下，您都可以在任何 Google 地图的右下角查看各种数据源——至少是那些需要记入的数据源，这不是全部。
Google Maps data is based on many sources, depending on both the type of data, and the area you're looking at.
Vector (Road, Park, etc. data)
Vector data, like roads, points of interest, etc. are bought from many different companies. Tele Atlas is one of their worldwide data providers, and is a key component, especially outside densely populated urban areas.
In some areas, this data is combined with other vector data providers, like Sanborn, who do 3D building outlines, as well as combining with more local sources of data, such as organizations which collect POI data (restaurants, etc.).
In countries other than the US, data is often purchased from a National Mapping Agency; a government agency tasked with collecting and distributing map data.
In some cases, data -- especially for populating searches -- is gathered via the web, and geocoded (looked up by address) to be placed on the map.
This data is commercial; the collection aspects are expensive, and Google pays a significant amount of money to license the data for this usage. (The actual amount is not public knowledge.)
Imagery
Imagery data for Google is similarly collected via many sources. Imagery up to .5M/px (Letting you see cars clearly, but not people) is typically collected via satellites flown by Digital Globe or Geoeye. (Geoeye actually flies a satellite, "Geoeye1", which was funded by Google in large part.)
In addition, Google adds in many different public datasources, from government organizations and programs (USGS, NAIP), state and local organizations, and more. In addition, for high profile events Google will sometimes specifically pay a company to do an overflight -- this was the case for the Haiti earthquake, and is common for them to do during the Burning Man festival.
Street View
Streetview data is collected by vehicles paid by Google to drive around with special tools (LIDAR detectors + 8-way videocameras) and collect the data.
Overall, in each case, you can look at the various sources for data -- at least those that require crediting, which is not all of them -- in the lower right hand corner of any Google Map.
他们从其他公司购买数据来形成地图。我相信他们大部分是从 Tele Atlas 购买的。 http://code.google.com/apis/maps/signup.html
这里有很多关于它的历史的信息：
http://en.wikipedia.org/wiki/Google_Maps#Map_projection
They buy their data from other companies to form the maps. I beleive they purchased the majority of it from Tele Atlas. http://code.google.com/apis/maps/signup.html
Here is a lot of information on the history of it:
http://en.wikipedia.org/wiki/Google_Maps#Map_projection