>
> I have only toyed with Viking until recently when I was OSM mapping a
> feature (a wind turbine, as it happens) which I could not approach
> directly.
>
> Instead, I did the obvious: I took a series of bearings with a compass
> from waypoints that I created.
Yeah, old skool!
Pen, paper, ruler, magnetic compass, drawing compass, sextant...
I assume the feature is too new to appear on Bing aerial imagery.
> The Viking ruler tool seemed the obvious way to locate the
> best point where the bearings intersected. But it seems that it was not
The original author of Viking noted many years ago (IIRC in the TODO.txt file)
that having multiple rulers would be useful.
>
> I suggest that the ruler tool should have the faciliy to create points,
> perhaps waypoints, or indeed two node tracks (as construction lines),
> in these circumstances - a right alt click or whatever, perhaps.
>
> That should be very easy to implement? And it would be extremely useful.
Unfortunately IMHO it is not very easy in Viking.
All the drawing is done in low level GTK drawing C API, and drawing new things
on top of existing view needs careful management of each graphic layer drawn -
especially for dynamic movement of the changing graphics.
I can't find the right words to explain the difficulties, but I assume this
sort of thing is much easier in higher level drawing APIs - such provided in
Java Swing or MS C# libraries.
I'd say this kind of thing would be more usefully implemented in JOSM as a
plugin - almost surprising there isn't one yet (I can't find one).
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