Charlie,

Thank you for providing the download links.

They were very useful.  After many rebuilds and recombination's of the TYP file split from your gmapsupp.img with my compiles I found the problem.  It was a 'beginners' mistake on my part.  I had been saving my TYP files with the 'OLD' Header format which meant that the drawing orders of the extended-code polygon types were somehow very messed up.

No problem therefore with display of extended polygon codes on the Garmin GPSMAP62s.

Thanks for the help.

Bill.

Charlie Ferrero wrote: 
On 04/07/2011 12:50, Bill Lancashire wrote:
  
Charlie, thanks for your response.

I have been doing a few controlled tests and I am now fairly sure that
it is the GPSMap62s that will not display the 'extended' polygon codes.

What I did was to compile a map using the 'default' style with r1979
together with a very simple TYP defining only 'leisure=playground [0x24
resolution 24]' (at draw level 7). This displayed correctly.

Then I simply edited the 'polygons' file line to read
'leisure=playground [0x10103 resolution 24]' and suitably changed the
TYP. In this case the polygon was NOT displayed. In both cases I used
only the minimal arguments in the mkgmap compile command line.

I will try to put a small GMAPSUPP.IMG online somewhere for others to
confirm.

Conversely, it would be good if I could test a build that someone else
has made using an extended polygon code.

Bill.
    

You can download a gmapsupp.img from
http://www.cferrero.net/maps/gcc_downloads.html
that includes lots of extended type polygons (land background, 
archeological sites, woods, gardens etc).

You can get the TYP that is used here:
http://www.cferrero.net/maps/map_downloads.html

--
Charlie
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