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  • Members: 1253
  • Category: XML
  • Founded: Sep 18, 2001
  • Language: English
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Messages 1955 - 1984 of 2257   Oldest  |  < Older  |  Newer >  |  Newest
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1955 runsaturday Send Email Mar 14, 2009
2:51 pm
Hi All I'm writing a fun GPS-centred website at the moment - http://www.runsaturday.com I'm currently integrating our database with the wonderful...
1956 Robert Lipe
robertlipe Send Email
Mar 14, 2009
2:55 pm
... insist on the GPX including timestamps for all trackpoints. ... The rationale for their preference would be best asked of them. We could speculate that...
1957 Mike Collinson
ewmjc Send Email
Mar 14, 2009
5:17 pm
... I am a contributor of a very large number of tracks to OSM and always use GPX 1.1. There is a however a requirement for timestamps for all trackpoints....
1958 Jean-Claude Repetto
jrepetto2001 Send Email
Apr 7, 2009
12:56 pm
... Hello, I have the same problem. I am currently writing a GPS software that will generate GPX files, but I don't know if the <ele> files should contain the...
1959 Dan Foster
topografix Send Email
Apr 7, 2009
5:52 pm
Hello, ... There was discussion of this around August 4, 2003 - you can use the Yahoo Groups web archive to read these old messages. Dan Foster wrote: [gpsxml]...
1960 Jean-Claude REPETTO
jrepetto2001 Send Email
Apr 7, 2009
7:55 pm
... Hello Dan, Thanks for your answer. To summarize the result of the 2003 discussion : ele = height above mean sea level (geoid) h = height above WGS84...
1961 Michael A. Peters
funkyres Send Email
Apr 7, 2009
8:16 pm
... I wouldn't worry too much about what garmin uses - I can walk 5 feet on a fairly mild slope and see the elevetion jump 100 feet. I've even seen it jump...
1962 Paul Tomblin
canoe Send Email
Apr 7, 2009
8:26 pm
... I went kayaking on Lake Ontario on Saturday, and my Garmin Forerunner said that I'd climbed 83 feet and descended 81 feet. I don't think Lake Ontario...
1963 Brian Scearce
blscearce Send Email
Apr 7, 2009
9:19 pm
... Holy crap, you paddled all the way from Hamilton to Kingston in a day?...
1964 Paul Tomblin
canoe Send Email
Apr 7, 2009
9:58 pm
... Not even close. I only did 5 miles out and back. That's why the 83 foot elevation change is so ridiculous. -- "You didn't need to. You sold ours." - Jon...
1965 Simon Slavin
simonslavin Send Email
Apr 7, 2009
11:08 pm
... Yes. In another place we had a discussion about this and reached similar confusion. In addition, this other place is mostly about devices where...
1966 Paul Tomblin
canoe Send Email
Apr 7, 2009
11:17 pm
On Tue, Apr 7, 2009 at 7:04 PM, Simon Slavin ... I think I can state pretty confidently that 99% of GPS users care more about altitude MSL (above Mean Sea...
1967 Tom Budlong
budlong Send Email
Apr 9, 2009
1:18 pm
The geoid is bumpy and wrinkly all over. The ellipsoid is mathematically trivial, in absolute and as compared to the geoid. Could Garmin really have a model of...
1968 tu206f Send Email Apr 9, 2009
4:07 pm
... mathematically ... have ... non-speculative ... Of ... above ... level is ... will ... the...
1969 Dan Anderson
dananderson2 Send Email
Apr 10, 2009
4:19 pm
Yes, Garmin has a model of the geoid in their firmware. Its resolution is another matter. The NMEA $GPGGA sentence gives the altitude above mean sea level and...
1970 Dan Anderson
dananderson2 Send Email
Apr 10, 2009
4:19 pm
Yes, Garmin has a model of the geoid in their firmware. Its resolution is another matter. The NMEA $GPGGA sentence gives the altitude above mean sea level and...
1971 Simon Slavin
simonslavin Send Email
Apr 10, 2009
6:58 pm
... Can we test it empirically ? Find some place on earth where the various (four ?) values of 'elevation&#39; are clearly different, some GPS units there, and...
1972 Michael A. Peters
funkyres Send Email
Apr 10, 2009
7:28 pm
... When I first got my garmin, the elevation at Lake Shasta was pretty close to the published elevation above sea level. But it jumped around - so it wasn't...
1973 Dan Anderson
dananderson2 Send Email
Apr 10, 2009
9:50 pm
... 1. The value in the GPGGA sentence is the altitude above mean sea level by the NMEA specification; otherwise, a company is in violation (I'm not saying...
1974 Paul Tomblin
canoe Send Email
Apr 10, 2009
9:56 pm
On Fri, Apr 10, 2009 at 2:58 PM, Simon Slavin ... It's too bad my WAAS-capable Garmin 296 got stolen. The elevation on a WAAS GPS is much more reliable than...
1975 Simon Slavin
simonslavin Send Email
Apr 10, 2009
11:11 pm
... Very interesting. Does everyone agree that it's most reasonable for a GPS unit to calculate and log height-above-geoid ? Or does that strike anyone as...
1976 Michael A. Peters
funkyres Send Email
Apr 10, 2009
11:46 pm
... It is most reasonable for them to report the elevation most useful to the consumers who purchased the unit. I suspect for most people that is elevation...
1977 Jean-Claude REPETTO
jrepetto2001 Send Email
Apr 11, 2009
4:55 pm
... But don't forget that the GPS system gives the height above the WGS84 ellipsoïd. To be able to provide the height above MSL to the user, the GPS units...
1978 nwoverlander Send Email May 22, 2009
5:17 pm
In the schema, several items have a minOccurs=0 w/ no maxOccurs defined. Is maxOccurs to be interpreted as 1 or unbounded? We'd like to be able to define...
1979 Simon Slavin
simonslavin Send Email
May 22, 2009
9:03 pm
... Technically, this would indicate that you can have as many as you like. If you as suspicious about how this might apply to the item you're looking at,...
1980 Craig Miller
nwoverlander Send Email
May 22, 2009
9:28 pm
The schema element in question is: <xsd:element name="sym"; type="xsd:string" minOccurs="0"> <xsd:annotation&gt; <xsd:documentation> Text of GPS symbol name. For...
1981 magnells Send Email May 22, 2009
9:31 pm
... 1 is the default if the minOccurs component is not explicitly defined. steve magnell...
1982 Dan Foster
topografix Send Email
May 22, 2009
10:15 pm
Hello, ... http://www.topografix.com/GPX/1/1/gpx.xsd If you look at other element definitions in the GPX schema, you'll see that elements that can be repeated...
1983 gpsanimator Send Email May 24, 2009
11:47 am
I'm getting an unexpected run-time error: "Unable to generate a temporary class (result=1). error CS0030: Cannot convert type 'demo3.gpxTrkTrksegTrkpt[]' to...
1984 Craig Miller
nwoverlander Send Email
May 25, 2009
2:31 pm
Thanks for the replies. My question was answered. The default if not specified is 1. Craig ... From: "Dan Foster" <egroups@...> Sent: Friday, May...
Messages 1955 - 1984 of 2257   Oldest  |  < Older  |  Newer >  |  Newest
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