Tuesday, November 22, 2011

Digital Line Graph (DLG)

http://www.naturalearthdata.com/features/
This is a vector-based Digital Line Graph (DLG).  The cool thing about this type of map is that the lines regenerate at different scales.  When the image is zoomed out, like in this map, the lines show less detail but are crisp.  When the same image is zoomed in, the lines show more detail and remain crisp.  Basically, there are no problems with resolution in a vector-based map.

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