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[mkgmap-dev] dissapearing roads

From nwillink osm at pinns.co.uk on Sun Mar 23 17:30:01 GMT 2014

If you are using typviewer polygons like 6508 ,6507,6508 and ofcourse 6500
will  have their draworder types set to 6500 and yet the draworder levels
match the ones specified 
Perhaps a device looking for 6508 will settle for the first draworder found
for a 6500 ...? More than likely its a Garmin bug corrected by typviewer and
so the draworder defaults to zero.
 Polygons with out transparency  can have zero draworders as seen in many
city nav typ files and yours might have been correctly parsed.
Also,in my experience,if your waterfall had transparency, giving this
polygon a zero draworder can lead to unexpected results.
However, no 2 devices are the same

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