From: gpetermann_muenchen@hotmail.com To: daveswarthout@gmail.com Subject: RE: [mkgmap-dev] Routing parameters Date: Sat, 16 May 2015 12:02:22 +0200 Hi Dave, not sure what the problem is. The subst filters are just used to remove some blanks or semicolons. The rest is more or less "a list of alternative expressions separated with a vertical bar", you can search for that term in the style manual: http://www.mkgmap.org.uk/doc/pdf/style-manual.pdf I've never tried these options because I use my GPS only for cycling, but my understanding is that the types 0x08 and 0x09 are special as they instruct the Garmin device to use the name of the road for the destination hint, and these rules are used to fill this name with useful information. Does that help? Gerd From: daveswarthout@gmail.com Date: Fri, 15 May 2015 17:51:13 -0700 To: mkgmap-dev@lists.mkgmap.org.uk Subject: Re: [mkgmap-dev] Routing parameters Yes, as you can see above, I understand the intent of those two options. But if someone could further explain what's happening in the rule, I would be most appreciative. I'm guessing the first part assigns a name or ref if one appears in the tagging but understanding the logic of the series of "subst" filters following that is, for a newbie, quite challenging. On Fri, May 15, 2015 at 12:17 PM, GerdP <gpetermann_muenchen@hotmail.com> wrote: Hi Dave, please check the documentation for --process-destination and --process-exits: http://www.mkgmap.org.uk/doc/options If I got this right, these option mark exits so that Garmin knows where they are where they lead. Gerd Dave Swarthout wrote
I am curious to know how mkgmap handles the display of and text to speech
aspects of motorway junctions. It's hard to test for this without actually
creating a route and then driving it to see and hear what the Garmin is
doing with the data or to discover where it gets the information from.
I'm assuming that whatever one puts in the exit_to=* tag gets displayed
and
spoken by the Garmin "assistant". Does mkgmap ever use the destination=*
tag, and if so under what circumstances?
I found this rule in the lines style sheet, but I do not understand it
well
enough to help me answer my question
(highway=motorway_link | highway=trunk_link) & mkgmap:exit_hint=true &
mkgmap:dest_hint=true
{ name '${destination:ref|subst: =>} ${destination|subst:;=> |subst:/=>
}' |
'${ref|subst: =>} ${destination|subst:;=> |subst:/=> }' |
'${destination|subst:;=> |subst:/=> }' |
'Exit ${mkgmap:exit_hint_ref} ${mkgmap:exit_hint_name}' |
highway=road
'Exit ${mkgmap:exit_hint_ref} ${mkgmap:exit_hint_exit_to}' |
'Exit ${mkgmap:exit_hint_exit_to}' |
'Exit ${mkgmap:exit_hint_name}' |
'Exit ${mkgmap:exit_hint_ref}'
}
As always, thanks in advance to any help you can provide.
Dave
--
Dave Swarthout
Homer, Alaska
Chiang Mai, Thailand
Travel Blog at http://dswarthout.blogspot.com
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