[GRASSLIST:3826] Re: overlay

[Radim Blazek]

> It is known (for me) missing cleaning tool in v.overlay/library.
>
> The problem:
> Topology rules require that 2 boundaries at the node don't have
> the same angle. It may happen, that the angle (float) for
> 2 boundaries is identical beacause of representation error
> (limited number of decimal digits) even if lines are not identical.

I have added the function to the library and to
v.overlay
v.clean tool=rmsa
v.in.ogr (default snap changed to -1 = no snapping)

it should be used also in v.buffer, but v.buffer needs more changes
which should be probably done at the same time.

Radim