[mkgmap-dev] random housenumbers

Fri Jan 9 13:42:20 GMT 2015

Hi Steve,

> > 1)  Why do we need the new class NumberCoord?
> 
> There is always more than one way to do anything... so no you
> don't need it.  I suggested it because it requires no memory
> and it expresses the relationship that a CoordNode is
> a NumberNode.

OK, my reason for prefering the bit flag is that it allows to change 
a normal coord to a "NumberCoord" without allocating a new object.
I think that makes life easier.

> 
> > 2) Is a CoordNode always also a number node?  Or is it possible
> 
> Yes a CoordNode is a number node.
> 
> > to combine the numbers for multiple arcs? I guess that would allow
> > to save some bytes.
> 
> You can skip number nodes if there are no known numbers on that
> part of the road. But otherwise it is from number node to number node.
> Arc is a NOD concept, house numbers are purely a NET concept. I know
> that we don't support a NET only build but if we did it could have
> house numbers without any routing at all.

OK, I may try to code the support for NET without NOD later.

Gerd

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