On Tue, Dec 18, 2012 at 11:30 AM, William Rieck bi...@thinkers.org wrote:
There is no gospel, although surveys and GPS traces may be close, but
certainly not Bing and CanVec imports.
The map should represent what you see on the ground, so make whatever
adjustments are needed, using deduction
I've been continuing to work on validation errors in the Ottawa area.
One complaint was of buildings projecting into the Ottawa River on the
west side of the Portage Bridge, by the dam between the Ottawa side of
the river and Victoria Island. When I look, the buildings (source CanVec
6.0) are
There is no gospel, although surveys and GPS traces may be close, but
certainly not Bing and CanVec imports.
The map should represent what you see on the ground, so make whatever
adjustments are needed, using deduction from your primary source (a
survey), that aligns with traces (absolute
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