Does anybody know it there is a little app that can read in a text file of coordinates and spit out a formatted GPX file? I'm a land surveyor and wish to take...
... GPSBabel writes GPX, reads many text file formats, makes it easy to add news ones, and probably runs on your unstated operating system. [Non-text portions...
Hi GPX Forum I'm wanting to analyse GPS track points with an accuracy higher than one second. Obviously the validity of the data will depend on the GPS device,...
Hello, ... GPX allows decimal seconds, as does ISO 8601, on which GPX' XML dateTime is based. Element: time Creation/modification timestamp for element. Date...
That gives me encouragement to investigate further, thanks. ... From: gpsxml@yahoogroups.com [mailto:gpsxml@yahoogroups.com] On Behalf Of Dan Foster Sent:...
Hello. I'm trying to create a gpx editor with VS2008 in C#. I made it to create a gpx class from gpx.xsd using Microsofts xsd.tool and I'm able to open, edit...
Is there a standard algorithm for detecting pauses in GPX files? The use case is that RunKeeper (iPhone & Android app at runkeeper.com) doesn't pause users...
I've noticed what I believe to be a few errors in the documentation. Here are the changes I suggest: wptType: "wpt represents a waypoint, point of interest,...
... This list really is more for the development of the GPX file format itself than about how to use any specific piece of software. There are a large number...
... As GPX is about exchanging GPS data between vendors there is no standard representation of EPE in the industry (most vendors won't even document how it's...
... Lots of programs do this differently. You can denoise, look for low speed, look for clumps in proximity, etc. Filtering really depends ont he data you...
... That's defined by the terms "longitude" and "latitude"; to be honest, so no need to repeat it in the GPX definition. http://en.wikipedia.org/wiki/Longitude ...
I think that this does need defining. I have come across some US centric mapping tools that use West as +ve, on the basis that all of the USA is West and...
... They're not using longitude then, and certainly not WGS84 coordinates, as used by most GPS systems. They must be using "negative longitude" instead ... ...
I agree it isn’t the normal convention, but NMEA0183 from GPS receivers explicitly uses N/S/E/W, and WGS84 defines Longitude as 0-180, +ve East. So to avoid...
... I am not talking about the EPE value (some strange vendor specific 1-20 value, agreed), but the error in meters (or feet), which many vendors do provide....
Note that different receiver manufacturers use different figures, e.g. historically many have used 95%, but others user 67%, 50%... Also, the period of time...
... Well, possibly; Is there a standard way to convert between error-in-distance (as meters or feet) and the xDOPs? (Is HDOP alone the same as the horizontal...
I know my GPS reports horizontal accuracy in distance, which must be either derived from HDOP or calculated at the same time as the HDOP. Mathematically, the...
2167
Joshua Judson Rosen
Rozzin@...
Mar 3, 2011 3:52 am
... GPSd apparently includes code to do this, for the cases in which a GPS unit doesn't provide all of the numbers numbers itself--c.f.: ...
... Very interesting! Thanks for the pointer! It also says: "* The UERE constants are our assumption about the base error of * GPS fixes in different...
I am trying to start with an existing GPX file and removing waypoints which are outside an area of interest. When I write the edited file back out, neither...
Hi-- I've noticed that the GPX files generated by Streets and Trips uses the rtept for encoding their waypoints verses what Garmin uses is a a trk. From the...
I am trying to build a test project that writes a .gpx file from new gps data. I've got the .gpx schema from Topografix, and i've built a "GPXType" with an xsd...
You might like to try the validation procedure on http://www.topografix.com/gpx_validation.asp From: gpsxml@yahoogroups.com [mailto:gpsxml@yahoogroups.com] On...
... A route point is generally understood to be a pre-planned location along a route. A set of route points typically draws a set of straight lines from ...
