[mkgmap-dev] Question reg. LayerFilterChain.addElement

Mon Feb 4 17:58:49 GMT 2013

It was my intention that a filter either calls doFilter or drops the element.

GerdP <gpetermann_muenchen at hotmail.com> wrote:

>Hi,
>
>maybe I found an error, maybe my understanding is wrong...
>
>I thought that all filters in the chain are executed before any element
>is finally passed to eg. the MapBuilder.LineAddFilter.LineAddFilter
>
>But if eg. the LineSplitterFilter calls addElement() instead of
>doFilter() 
>all following filters are skipped and 
>MapBuilder.LineAddFilter.LineAddFilter is called directly.
>If this is intended, where should a filter that checks for equal
>coordinates
>be placed? I wanted to add it after RemoveEmpty(), but then some 
>invalid lines are passed to the map.addMapObject() method.
>
>ciao,
>Gerd
>
>
>
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