Aha!  I was fooled by there being markers when I generated the encoded
polyline.  I think I'll go for some pretty ones saying 'start' and
'finish'.

Thanks again :)

On Aug 25, 2:30 pm, "[email protected]" <[email protected]>
wrote:
> On Aug 25, 6:12 am, VirtualWalk <[email protected]> wrote:
>
> > Now fixed :)  Although I don't have my start and end markers (they've
> > completely disappeared) but the line is in the correct place now that
> > I've redone the line and '\' replacement.
>
> > Thanks for all the help.  Now onto the next challenge!
>
> > If anybody knows where the start and end markers have gone then I'd
> > appreciate knowing :)
>
> When I looked at your page, there wasn't any code on it to create
> markers.
>
>   -- Larry
>
>
>
>
>
> > On Aug 25, 2:01 pm, VirtualWalk <[email protected]> wrote:
>
> > > Hmm.  Hadn't spotted that - one of the hazards of borrowing code - but
> > > I've corrected it and I'm still in Northern France.
>
> > > Thanks for pointing it out though :)
>
> > > Where does the polyline you get go?  France?
>
> > > On Aug 25, 1:53 pm, "[email protected]" <[email protected]>
> > > wrote:
>
> > > > On Aug 25, 5:10 am, VirtualWalk <[email protected]> wrote:
>
> > > > > I'm working on a project where the following takes place:
>
> > > > > A user joins a virtual walking challenge
> > > > > They upload the distances from their pedometer on a regular basis
> > > > > Their new distance generates a new position on the map route
> > > > > They see their new location and how far to go to the end of the
> > > > > challenge
>
> > > > > I'm planning on all sorts of other bits including walking as part of
> > > > > as a group.
>
> > > > > The planned route is from John o'Groats to Land's End which whilst
> > > > > unoriginal seems to capture the imagination (I plan on people being
> > > > > able to nominate new challenges for future inclusion).
>
> > > > > I've been spending a lot of time researching the best way to do this
> > > > > and having got the form submission working and the distance updating
> > > > > correctly I'm now working on the next stage.
>
> > > > > Having read around I realised that I need to use the fabulous
> > > > > epoly2.js to place a marker on the route to match the user's
> > > > > position.  I want the distance to use from mySQL but that's a
> > > > > challenge for another day!
>
> > > > > I then read about the problems with generating a complex polyline on
> > > > > the fly each time and the numbers of calls to the Google database.
> > > > > The challenge map page needs to have a summary of the route with no
> > > > > markers on it, the overall (logged in) challenge homepage all the
> > > > > participants on a clustered map (planning to use KML or csv for this
> > > > > with no route showing) and the the user's map only their position
> > > > > (which I've got working from mySQL).
>
> > > > > So I decided to generate an encoded polyline and use that for the
> > > > > route.  I visitedhttp://www.geocodezip.com/example_geo2.aspand
> > > > > generated the xml for the Gdirections route using their encoded xml
> > > > > generator.  The Google Maps encoder is no good as the route needs to
> > > > > follow roads not traverse the sea!
>
> > > > > I then cut and pasted the encodedPoints and encodedLevels from the XML
> > > > > generated to my page.  I got the error 'expected hexadecimal'.  I then
> > > > > researched problems and discovered the issue with '\' in the generated
> > > > > encoding so I've replaced all single '\' with double '\\' and all
> > > > > double '\\' with quad '\\\\'.
>
> > > > > However, I still have the same problem.
>
> > > > > The page is here:  http://www.virtualwalk.co.uk/Sorting_Map.htm
>
> > > > What is with the zoomFactor of 32?
>
> > > > If I run your points through Mark McClure's 
> > > > decoderhttp://facstaff.unca.edu/mcmcclur/GoogleMaps/EncodePolyline/decode.html
>
> > > > then re-encode 
> > > > them:http://facstaff.unca.edu/mcmcclur/GoogleMaps/EncodePolyline/encodeFor...
>
> > > > I get a polyline, but his code set zoomFactor to 2 and numLevels to
> > > > 18.
>
> > > >   -- Larry
>
> > > > > My website is on Joomla but Jumi allows for html/php/javascript to be
> > > > > embedded in Joomla code without problems and I'm getting exactly the
> > > > > same error on the standard htm page as I am within Jumi so I think
> > > > > that thinking it was a Joomla issue is a red herring (are there such a
> > > > > thing?).
>
> > > > > I'm outside my comfort zone with the encoded polyline but want to
> > > > > ensure that I code as efficiently as possible so I don't incur lots of
> > > > > ISP bandwidth charges and a Google Maps ban if lots of people join the
> > > > > site and take part in the challenges (over 1,000 people took part in
> > > > > the last challenge I took part in).
>
> > > > >  I have had lots of help so far getting the bits that work working so
> > > > > any help really appreciated :)- Hide quoted text -
>
> > > > - Show quoted text -- Hide quoted text -
>
> > > > - Show quoted text -- Hide quoted text -
>
> > > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
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