I am struggling for years now to find a solution for controlling draworder 
without using TYP.

It´s not only about some old devices that do not support TYP. The whole range 
of recent marine devices does not feature TYP! Even super modern GPSmap 
7400/7600 or 8400/8600 series with price tag up to 15.000 EUR need maps without 
TYP.

So it´s really, really important not to rely on TYP draworder.



Von: nwillink
Gesendet: Sonntag, 23. Oktober 2016 16:28
An: mkgmap-dev@lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] patch to write polygons in decreasing order

Just an observation.

To me it only makes sense to order polygons if the user is not using a TYP
file.

TYP files effectively attribute a draworder to different types of polygons.

Sorting polygons into size will work if the user has plotted two polygons of
the same type, ie buildings on top of buildings - which is very unusual to
say the least

It is true that some 'old' non NT Garmin TOPO maps came with a TYP file
which did not give polygons a draworder - indeed, you could quickly mess up
the layers by giving one or two polygons a draworder.



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