Projection used in Yahoo Maps?
I heard Google's Projection is Web Mercator.
Yahoo mentioned WGS84.
But I want to more detail information. (Detailed Projection : ex. Web Mercator)
I want to know YahooMaps's Projection. (If available)
Mapping Center Answer:
Sorry -- we don't know about Yahoo maps.
In our online help, you can find out about the projections for Google Maps:
The ArcGIS Online tiling scheme uses 512 x 512 pixel tiles. When you choose this tiling scheme, the data frame of your source map document must use the WGS 1984 geographic coordinate system.
The Microsoft Virtual Earth/Google Maps tiling scheme uses 256 x 256 pixel tiles. When you choose this tiling scheme, the data frame of your source map document must use the WGS 1984 Web Mercator projected coordinate system.
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