In message <4777A6DE.8060800@...>, Paul Tomblin <ptomblin@...> writes ... Tell that to a submarine captain! -- Andy Mabbett * Are you using...
1768
Paul Tomblin
canoe
Jan 3, 2008 7:34 pm
... Your GPS picks up signals underwater? How do you do that? -- "To announce that there must be no criticism of the president, or that we are to stand by the...
1769
Evan Croskery
evan_croskery
Jan 7, 2008 11:08 pm
So would the "velocity"; from the GPS be more accurate than v = d/t ? I have a rally application running on a PDA. It cares about distance travelled, average...
1770
Simon Slavin
simonslavin
Jan 7, 2008 11:36 pm
... I don't think so. That equation is, pretty much, how GPS units calculate velocity. I think it really comes down to what you want to calculate velocity / ...
1771
timfpark
Jan 22, 2008 3:47 pm
I'm interested as well helping work on another revision to the standard. The internet project I am working on (a digital trail database:...
1772
Robert Lipe
robertlipe
Jan 27, 2008 5:02 am
... The good news for you is that you don't have to extend the GPX 1.1 standard; there is an "escape hatch" that lets you design your own extensions to the ...
1773
Simon Slavin
simonslavin
Jan 27, 2008 2:01 pm
... One current stance ... ... But there has to be some point at which it's worth advancing the standard. Otherwise we'd still be on GPX 1.0. So when does...
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Paul Tomblin
canoe
Jan 27, 2008 5:28 pm
... The problem with that attitude is that you end up with a bunch of conflicting and redundant extensions to the GPX standard, instead of one. Or, like Simon...
1775
Robert Lipe
robertlipe
Jan 27, 2008 6:06 pm
... conflicting ... Simon I agree that's a problem. On the other hand, if none of the conflicting and redundant extensions can really get enough traction in...
1776
Dan Foster
topografix
Jan 27, 2008 7:05 pm
Hello, My own personal opinion is that a new version of GPX is needed, and that it should be 2.0, not 1.2 (Signifying that a GPX 1.0 or 1.1 document may not...
1777
Dave Patton
canadadcp
Jan 27, 2008 8:45 pm
... Maybe you should make this known on the OSGeo-Discuss mailing list: http://lists.osgeo.org/mailman/listinfo/discuss http://www.osgeo.org/ -- Dave Patton ...
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Simon Slavin
simonslavin
Jan 27, 2008 10:15 pm
... Can you (or anyone) give us an idea how relevant to GPX that group is ? Do you think they'd be very interested in a new version of GPX ? Are there people...
1779
timfpark
Jan 28, 2008 8:32 am
... I have seen the TopoGrafix accuracy extensions in the wild (but only occasionally -- not something you can even remotely rely on) but not the Garmin ones...
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Robert Lipe
robertlipe
Jan 28, 2008 8:46 am
... I was going more for the policy than the specific examples, but http://developer.garmin.com/schemas/gpxx/v3/ isn't a bad starting point. RJL...
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Simon Slavin
simonslavin
Jan 28, 2008 9:03 am
... The Garmin formats are nicely gathered here: http://developer.garmin.com/2007/09/04/garmin-formats/ and what you want is the one labelled 'GPXX v3'. One I...
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Simon Slavin
simonslavin
Jan 28, 2008 5:29 pm
... I can't find an index to topographix' extensions but here's topografix' overlay extension: http://www.topografix.com/GPX/gpx_overlay/0/3/ Simon....
1783
Luc Le Blanc
speleoluc@...
Feb 5, 2008 1:13 pm
Hi, I succeeded writing a GPX export feature in my cave survey freeware so that users can export the cave line plot into their GPS and walk "over" their cave...
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Dan Foster
topografix
Feb 7, 2008 3:23 pm
I apologize for using this mailing list for what should be a private message to Garmin's development team, but they don't make it easy to contact them. If...
1785
Carlos Tejo
megaisotonic
Feb 8, 2008 1:16 pm
Hello, This is my first message on this list, so first I should introduce myself: my name is Carlos Tejo, and I'm a student at University of Oviedo. I am going...
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Dan Foster
topografix
Feb 8, 2008 1:32 pm
Hello, ... There are already GPX extensions for closed shapes. There isn't an explicit way to associate a <wpt> element with a <polyline>, but you could...
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Carlos Tejo
megaisotonic
Feb 9, 2008 2:56 pm
Hello, ... Thanks for your example. You have said that it is not way to associate a <wpt> element to a <polyline>. Why we cannot add the polylie inside the...
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Dan Foster
topografix
Feb 9, 2008 4:58 pm
Hello, ... That's certainly possible, although doing it that way would mean that 99% of the programs out there wouldn't recognize the polyline (because they'd...
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Hal Mueller
halmuellermg
Feb 10, 2008 12:32 am
Carlos--have you considered using PostGIS, or one of the spatial formats that handles tagging of all attribute types? I would think that even a Shapefile...
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thibault.massart
thibault.mas...
Feb 10, 2008 11:40 am
Hello to everyone :) I'm developing a software for academic purpose which needs to import GPX or more exactly part of GPX files. In any case I need to parse...
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Anthony Cartmell
fonant
Feb 10, 2008 1:52 pm
... Or kml? Anthony -- www.fonant.com - Quality web sites...
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Simon Slavin
simonslavin
Feb 10, 2008 8:38 pm
... Can you remove things from the GPX file until you get a successful match ? Or, perhaps start the other way: remove everything but the head and tail, and...
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Hal Mueller
halmuellermg
Feb 10, 2008 10:31 pm
Yeah, KML could work too--although there are some very convoluted (but legal) KML constructs that I would hate to have to parse. We don't really have enough...
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Carlos Tejo
megaisotonic
Feb 11, 2008 2:46 am
Hello, I am reading about .kml or .gml to save the information. Do you which GPS devices can handdle a .kml o .gml file ? Carlos Tejo...
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Hal Mueller
halmuellermg
Feb 11, 2008 3:01 am
I'd be very surprised to find any GPS devices that can handle KML. It is an extremely rich format. My recommendation, as a GIS practitioner and developer, is...
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Hannu Lohi
hlohi
Feb 12, 2008 8:29 am
I tried to send the e-mail in to info2004 at topografix.com for adding MyWay Navigator product in to supporting SW list, but the mail address seems not to be...
