[Thuban-devel] Re: Base class for Shapes?

[Jan-Oliver Wagner]

On Wed, Nov 24, 2004 at 08:29:26PM -0500, Daniel Calvelo Aros wrote:
> What I would find excellent to have in memory is a topological
> version of the shapestore. I have been trying to implement cartogram
> drawing, which involves polygon transformations that must keep e.g. adjacency.
> So far I have been quite frustrated by the need to build
> the topology anyway. If shape editing is implemented in any timeframe,
> topology will be necessary.
> 
> Maybe some GRASS "inspiration" might be useful.

having a topological version of the Layer in memory should
actually be indpendent of whether the shapestore is in memory
as well.

I wonder whether there is a library/tool out there that Thuban
could use for toplogy support (GEOS?).

Best

	Jan
-- 
Jan-Oliver Wagner               http://intevation.de/~jan/

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