我可以从任何地方获取地形数据以用于模拟吗?
有没有一种方法可以通过 Google 地图等来源以简单的方式构建地形数据。我对高度不感兴趣,但简单的 2D 表示就足够了。
例如,我试图使用地图内的道路和建筑物来表示地形,以对交通模拟进行建模。表示建筑物等物体是必要的,这样当我的汽车在道路上行驶时,它们应该知道何时转弯等。表示这些物体有什么标准吗?
Is there a way I can build terrain data in a simple way from sources like Google Maps. I am not interested in heights but a simple 2D representation will be good enough.
For instance, I am trying to represent a terrain using the roads and buildings inside a map to model a traffic simulation. Representing objects like buildings is necessary so that when my cars are moving on a road, they should know when to take a turn etc. Are there any standards for representing these?
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地图标准有数十种。尽管有一些低成本的开源地图源,但地图数据往往非常昂贵。例如。 OpenStreetMap,对于美国,Tiger/Line。
我至少还会阅读一些介绍性的 GIS - 我想您会发现这个领域比您最初想象的要大得多、更复杂。
There are dozens of map standards. also map data tends to be very expensive, although there are some low cost and open source map sources. Eg. OpenStreetMap, and for the US, Tiger/Line.
I would also read up on, at least, some introductory GIS - I think you'll find the field is much bigger and more complex that you are initially thinking.