On Mon, Aug 25, 2008 at 9:44 PM, Andy Robinson (blackadder-lists) <[EMAIL PROTECTED]> wrote: > The way surveyors get around this problem (yes even the best GPS systems > cant see around corners) is to take 8 waypoints by sighting down the edge of > a building (2 points for each side). You can then draw the shape where the > lines intersect. This is how the Ordnance Survey do it for instance (using > an optical square to improve accuracy).
This is what I generally do when I need to survey buildings but it can get hard in some situations when there are buildings everywhere and you can't find a good point to do even this. _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk