[mkgmap-dev] An Observation

Mon Mar 30 12:08:29 BST 2009

Hi Nyem,

Many thanks for the explanation. One question: if the change from 0x27
to 0x0327 is applied, what effect does it have for people who drive on
the right?

Cheers,

Mark

> Hi,
> 
> I'm not sure if the issues have been raised here, so I'll try my best to 
> explain. This is a problem only when the map is for left-hand drive users.
> 
> Issue 1: Incorrect roundabout display
> 
> http://www.mkgmap.org.uk/pipermail/mkgmap-dev/attachments/20090329/6a4b873f/roundabout-gmxt-0001.png
> This only affect the information display on the top-left corner of my 
> MobileXT screen - the roundabout should be clockwise not 
> counter-clockwise. Routing correctly follows road direction.
> 
> 
> Issue 2: Incorrect U-turn identification
> 
> http://www.yournavigation.org/?flat=3.08947&flon=101.54504&tlat=3.08836&tlon=101.54519&v=motorcar&fast=1&layer=mapnik
> Here is a u-turn but the driving direction will say "Turn right onto 
> road, Turn right onto road" instead of "Perform a u-turn"
> 
> http://www.yournavigation.org/?flat=3.08894&flon=101.54504&tlat=3.08763&tlon=101.54488&v=motorcar&fast=1&layer=mapnik
> Here is turning left from a main road into a residential road and taking 
> another left turn - but my Garmin incorrectly detects this as a u-turn. 
> If my avoidance option includes avoid u-turn, routing will ignore this 
> route.
> 
> When I apply the change u-turns are correctly identified, and the 
> roundabout info display correctly shows traffic direction.
> 
> - nyem
> 
> 
> 
> Mark Burton wrote:
> > Hi,
> > 
> >> Another problem solved is the left-hand traffic roundabout display issue 
> >>   on Nuvi and MobileXT (see attached pic) 
> >> http://malfreemaps.com/viewtopic.php?p=26047#p26047. Not sure if this 
> >> also correctly identify "u-turn" as opposed to "turn-right, turn-right" 
> >> instruction.
> > 
> > Sorry, can you tell me what the problem is that gets fixed by this
> > change?
> > 
> > Thanks,
> > 
> > Mark
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