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Elevation Gain and Loss (Read 1876 times)

HoosierDaddy


    Any chance a couple of fields could be added to input these values.  Is really valuable information especially on hillier runs.

     

    MTA: I know that GPS read provides this information but would like to see it on the main page with the other values (page, HR max, HR avg, etc. ).   So figured me manually entering would be easier than pulling from GPS data..??


    Feeling the growl again

      GPS elevation data is worthless.  Too much error.

      "If you want to be a bad a$s, then do what a bad a$s does.  There's your pep talk for today.  Go Run." -- Slo_Hand

       

        GPS isn't worthless. This morning's run started around 7,400 ft above sea-level, turn around point on the summit was around 9,100 ft elevation. This summer I'm needing to track week's total elevation gains in ways similar to tracking the week's total horizontal distance too. Personally, I'd love a way to track via RA. Mostly the run's highpoint minus the lowpoint. It would be really cool if there were a smoothing threshold in the calculation. GPS elevation isn't accurate for hills, but it is useful for mountain trail running.
          This can definitely be added.  Before it can be done, I need to do some modifications to the editor page first.

            That would be great!!!


            Right now I'm (poorly) manually keeping track of week's total elevation gains.  Would love to be able to graph "Elevation Gain (High - Low)" and "Elevation Gain (Cumulative)" as a Y-Axis items similar to the other items.


            Eric, your work is stellar.  This is about the only feature "missing" for me, for what I do.



            Imminent Catastrophe

              I wouldn't say that GPS elevation is worthless. It has a large error bar for smaller hills but like Kenotic said it's still useful for larger elevation changes, especially if you use the smoothing function. I can generally get the elevation error down to 50 ft or so. Eric--is there a way to use Google elevation data like you can with the maps?

              "Able to function despite imminent catastrophe"

               "To obtain the air that angels breathe you must come to Tahoe"--Mark Twain

              "The most common question from potential entrants is 'I do not know if I can do this' to which I usually answer, 'that's the whole point'.--Paul Charteris, Tarawera Ultramarathon RD.

               

              √ Tahoe Rim Trail 100M 20/21 July 2013

              Boston Marathon 21 April 2014

              Tahoe Rim Trail 100M 19/20 July 2014

                What do you mean use "Google elevation data"?
                  I think he means that when you map out the course with the google map feature in courses there is a squiggly line that you can click and it gives you the elevation profile with total up hill and total down hill and net change. 

                  2014 Goals:

                  Not destroy my back while running.

                    Nice idea, Perfesser.


                    Here's a site I personally sometimes use to get elevation profiles when planning runs:


                    http://www.gmap-pedometer.com/


                    Note the "Elevation: off | small | large" capability.


                    They're picking up X, Y, and Z coordinates off the Google API it appears.


                    Rather than using the elevation data off the GPS, it seems it would be much more accurate to use the X, Y coordinates off the GPS to then pick up the elevation for those X, Y coordinates from the Google API.


                    Here's a favorite Colorado Springs run you can test with:


                    http://www.stepwhere.com/maps/route/Manitou-Incline-return-on-Barr-Trail


                    You can Share/Download the GPX file.


                    Many of the athletes at the Olympic Training Center here train on this beat.  I've Apolo Anton Ohno hops up 1,000 vertical feet on one leg and then hops up the other 1,000 vertical feet on the other leg.

                      Kenotic Runner,
                      I believe Perfessor was referring to elevation data collected by GPS units.  This is different from manually created maps.  Either way, try clicking    on the map's toolbar.  That'll display the elevation profile.  RA has the most feature packed map editor for years now.  The next release will have a few more features to make it even better.  Maybe then you'll use it more often Wink
                        Eric, sorry I've used another map.


                        Any thoughts on using the Google data for elevation rather than the GPS's?


                        Imminent Catastrophe

                          Eric,

                          Here's what I meant:

                          If you map the course from a Forerunner and upload it to RA it will initially display the raw GPS elevation, which is very rough. Then if you uncheck the elevation profile, then check it back on again, it will display the Google elevation profile (much more accurate). 

                          I'm not a techie but could you use the resulting Garmin elevation data for these calculations? 

                          "Able to function despite imminent catastrophe"

                           "To obtain the air that angels breathe you must come to Tahoe"--Mark Twain

                          "The most common question from potential entrants is 'I do not know if I can do this' to which I usually answer, 'that's the whole point'.--Paul Charteris, Tarawera Ultramarathon RD.

                           

                          √ Tahoe Rim Trail 100M 20/21 July 2013

                          Boston Marathon 21 April 2014

                          Tahoe Rim Trail 100M 19/20 July 2014

                            If you map the course from a Forerunner and upload it to RA it will initially display the raw GPS elevation, which is very rough. Then if you uncheck the elevation profile, then check it back on again, it will display the Google elevation profile (much more accurate). 

                             

                            Thanks for the tip/hack. Now I recognize the elevation profile on my runs (and rides).

                              Russ,
                              The Garmin elevation data is practically useless.  During testing, I encountered many instances where the device elevation is completely different from the reference elevation data.  Bad data is worse than no data.  I will add elevation correction in a future release.


                              Imminent Catastrophe

                                No, I am referring to Google (or USGS or whatever the maps use) elevation data, not Garmin. I'm well aware of the limitations of the Garmin (GPS-derived) elevation data. I was saying perhaps you could derive elevation from Google for better accuracy, and use this to calculate gain/loss.


                                "Able to function despite imminent catastrophe"

                                 "To obtain the air that angels breathe you must come to Tahoe"--Mark Twain

                                "The most common question from potential entrants is 'I do not know if I can do this' to which I usually answer, 'that's the whole point'.--Paul Charteris, Tarawera Ultramarathon RD.

                                 

                                √ Tahoe Rim Trail 100M 20/21 July 2013

                                Boston Marathon 21 April 2014

                                Tahoe Rim Trail 100M 19/20 July 2014

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