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[mkgmap-dev] [PATCH v2] Remove LineClipper artefacts

From Marko Mäkelä marko.makela at iki.fi on Wed May 25 07:32:39 BST 2011

Hi WanMil,

On Tue, May 24, 2011 at 06:16:04PM +0200, WanMil wrote:
>I cannot say for sure because I have to check that in detail but the 
>following problem might have happened. The autoclosing does not longer 
>prefer closing ways to connecting ways.

Why not? What was wrong with autoclosing ways to connecting ways?

Could the autoclosing issue some messages at the WARNING level, please?

By the way, I ran across to some Corine landuse imports that had split a 
polygon line because it contained so many nodes. I created a 
multipolygon out of that, with just the split lines in role=outer. I 
think that it is reasonable not to join connecting polygon lines, unless 
they are members in the same multipolygon.

>So maybe the incomplete outer way was connected to an incomplete inner 
>way and therefore the way could not be closed and is therefore 
>abandoned. Maybe the algorithm should prefer connections of ways with 
>an identical role or better it should not connect ways with non 
>identical role.
>Sounds good. I will post a patch.

I am looking forward to testing it.


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