diff options
| -rw-r--r-- | Documentation/mobile-manual-v3.txt | 93 |
1 files changed, 1 insertions, 92 deletions
diff --git a/Documentation/mobile-manual-v3.txt b/Documentation/mobile-manual-v3.txt index 7427ab663..985004328 100644 --- a/Documentation/mobile-manual-v3.txt +++ b/Documentation/mobile-manual-v3.txt @@ -35,8 +35,7 @@ aimed at Android and iOS smartphone and tablet devices. While the desktop version of _Subsurface_ shows much more detailed information for each dive, the mobile version allows a more accessible dive log on the go. For example, you can prove dive experience on a dive trip to dive shops or review -previous dives while on a dive boat. _Subsurface-mobile_ also allows -the gathering of GPS locations where dives are performed. +previous dives while on a dive boat. Assuming you have a dive computer that is supported by the mobile OS of your choice, _Subsurface-mobile_ supports the downloading of dives from your dive computer. @@ -53,7 +52,6 @@ _Subsurface-mobile_ allows: - Download dive data directly from some dive computers. - Editing most of the dive log data, e.g. dive-master, buddy, equipment or notes relating to a dive. -- Recording, storing and applying GPS positions to dive information. - Viewing the localities of recorded GPS positions and of dives on a map. @@ -717,90 +715,6 @@ specific XML files (both for dives and dive sites) as well as _UDDF_. Tapping on _Next_ opens an additional page for login information for the destination website (or a file selection dialog). -== Obtaining dive site locations using the GPS - -The fact that almost all smartphones have GPS facilities allows -_Subsurface-mobile_ to record -the locations of dives. - -**** -[icon="images/icons/important.png"] -[IMPORTANT] -*Accuracy of GPS coordinates* - -GPS-derived coordinates on a smartphone -are not always accurate and can have an error greater than 1 km. GPS accuracy -is determined by the hardware and software of the -smartphone as well as by the GPS settings selected within Android/iOS. -As of Android V6 (Marshmallow) select Android _Settings -> Communication -> Location -> High accuracy_*. -If the smartphone is taken on the boat -during a dive, locations can be automatically recorded at regular intervals. -These locations can then be applied to dives in the dive list as described below -**** -To collect dive site coordinates four step are required: - -[[S_ConfigureGPS]] -=== Configuring the GPS service - -For most users, the defaults for tracking GPS locations are -appropriate. If you would like to change them, go to -the _Main Menu_, select the xref:S_Settings[_Settings_] screen, and open -the _Advanced_ area on that page where there is a section for -configuring the GPS service (see image below). GPS location data -are collected at regular intervals, e.g. every 5 minutes, or at regular -distances, e.g. after the boat has moved more than 200m, or a combination of -both of these approaches. Provide the appropriate information and -tap the _Back_ button. The program is now ready to collect GPS positions. - -image::mobile-images/GPSConfig.jpg["FIGURE: GPS configure",align="center"] - -=== Collecting GPS positions - -[width="100%", frame="None", cols="2,3"] -|======= -a|image::mobile-images/LocationMenu.jpg["FIGURE: GPS start",align="center"] | -In the _Location_ menu select _Run location service_. -_Subsurface-mobile_ starts to collect GPS locations automatically, -following the preferences specified as described above. While the GPS -location service is running, all menus have a GPS symbol at the bottom, -indicating that the service is active. After returning from -the dive, deactivate the collection of GPS data by tapping -the option _Location -> Disable location service_. The GPS symbol at the bottom -of menus disappears. -|======= - - -Collecting GPS fixes like this is relatively battery intensive and unfortunately -both Android and especially iOS have become increasingly aggressive in killing -applications that are running while the screen is turned off. It may make sense -to check between dives that the location service is still running. On the other hand -the battery consumption of a smartphone with GPS enabled is often significantly less than -the battery consumption of a dedicated GPS that is logging a track. - -=== Viewing GPS data collected during a dive - -From the _Location_ submenu select _Show GPS fixes_. This brings -up a list of GPS positions obtained by the location service (image -below). Two actions are possible for each of the locations, enabled by -dragging the right part of a location to the left. This exposes two -options. Tapping the dustbin deletes this particular GPS location. Tapping the -teardrop-shaped icon (actually a Google Maps pin) opens up Google Maps with a pin -indicating the exact map position of the GPS record being viewed. The two above -options can be hidden by drawing the GPS record to the right. - -image::mobile-images/gpsmanagement.jpg["FIGURE: GPS management",align="center"] - - -=== Applying GPS data to dives in the dive log - -After running the location service during a dive trip, first either download -the dives from your dive computer or manually enter the dives into the dive list. -Now you can apply the GPS positions to these dives. -From the _Dive management_ menu, tap _Apply GPS fixes_. The dive list contains the start -and end times of each dive. Now, _Subsurface-mobile_ applies the first -GPS position that falls within the dive period of each dive. This results -in a GPS position for each dive that is saved as part of the dive log. - == Viewing the locations of all dives in the dive list image::mobile-images/DivesMap.jpg["FIGURE: Map of all dive sites",align="center"] @@ -872,11 +786,6 @@ your location. As the name indicates, most users do not need to make changes here. -==== GPS location service thresholds - -As indicated above in the _Location_ section of this manual, here you can set the distance and time -thresholds for the _location service_ - ==== Bluetooth Since most mobile devices tend to find a _LOT_ of BT/BLE devices that aren't dive computers, by |