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Use Cases
Kyle Corry edited this page Sep 10, 2023
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- Be usable when first opened on a trail without an Internet connection.
- Provide features to assist in the following activities: hiking, backpacking, camping, geocaching, wilderness survival.
- Know when it is going to get dark
- I want to know when the sun will set so I don't get caught in the dark.
- I want to know when the sun will rise/set so I can plan a trip based on available daylight.
- I want to know if I can hike at night using the moon as a light source.
- Stargazing in the wilderness
- I want to know if there is a meteor shower during my trip so I can watch it.
- I want to know if there is a solar/lunar eclipse during my trip so I can watch it.
- I want to know where the sun / moon will be during an eclipse so I can watch it.
- Celestial navigation
- I want to navigate using the position of the sun, moon, or stars so I can save battery on my phone.
Tools: Battery, Solar Panel Aligner
- Save power
- I want to know how long my phone's battery will last
- I want to disable features that are drawing power
- Charge
- I want to know how long my phone will take to charge
- I want to align my solar panel for the next couple of hours to charge my devices
- I want to align my solar panel at my camp for the day to charge my devices
- Determine if surfaces are flat
- I want to determine if the ground is flat for a tent or stove
- Determine the height of a drop
- I want to determine the height of a recess so I can lower something (ex. filling a water bottle from a recessed stream)
- Determine avalanche risk
- I want to estimate the avalanche risk of a slope.
- Measure height and distance
- I want to measure the height of something such as a tree.
- I want to measure the distance to something.
- Measure steepness
- I want to determine how steep a slope is.
- Know the actual time
- I want to get the actual time so I can fix my phone's time.
- Convert amounts
- I want to convert between coordinate formats.
- I want to convert a distance on a sign to a unit I'm more familiar with.
- I want to convert a temperature on a sign to a unit I'm more familiar with.
- I want to convert a volume listed on a backpack, bottle, or backpacking meal to a unit I'm more familiar with.
- I want to convert a weight on a pack scale or of an item to a unit I'm more familiar with.
- I want to determine what time it will be in a given duration.
- Use as a flashlight
- I want to use my phone as a flashlight to light up the trail or see in my tent.
- I want to use my phone as a reading light for looking at a map at night.
- Signal for help
- I want to use my phone to transmit an SOS signal.
- I want to use my phone to transmit a strobe signal.
- Determine flashlight usability
- I want to know if my flashlight can be used for hiking at night.
- I want to know if my flashlight can be used for camping.
- Find a dropped tool
- I want to find a tool that I dropped under leaves or snow
Tools: Navigation, Beacons, Paths, Maps, Triangulate Location
- Navigate somewhere
- I want to navigate to a saved location.
- I want to know how far away I am from a saved location.
- I want to navigate using a bearing.
- I want to know how fast I'm hiking to get a better estimate of how long it will take to get somewhere.
- Save locations
- I want to save my location.
- I want to save a location by entering its coordinates.
- I want to save a location provided by someone else.
- I want to add a note to a saved location.
- Know where I am
- I want to know my location in multiple coordinate formats.
- I want to see my altitude.
- I want to know which way I'm facing.
- I want to see nearby beacons and paths to better orient myself.
- I want to determine my location even if I can't get a GPS signal.
- Share where I am
- I want to share my location as a link to a map.
- I want to share my location as plain text.
- Digitize a printed map
- I want to take a picture of a printed map or trail sign and see my location, beacons, and paths on it.
- I want to take a picture of a printed map or trail sign and measure the distance between two points on it.
- I want to take a picture of a printed map or trail sign and place a beacon at a point on the map.
- Use a downloaded map image
- I want to use a map image/PDF I downloaded and see my location, beacons, and paths on it.
- I want to use a map image/PDF I downloaded and measure the distance between two points on it.
- I want to use a map image/PDF I downloaded and place a beacon at a point on the map.
- Retrace my steps
- I want to retrace my steps to a specific location while hiking.
- I want to retrace my steps to the last place I had a good cell phone signal while hiking.
- Follow paths
- I want to follow a path I created.
- I want to follow a path someone else created.
- I want to see how difficult the path will be to follow.
- I want to see long a path will take to follow.
- Record notes
- I want to record some information while on the trail.
- I want to record and share a trip plan.
- Measure distance traveled
- I want to know how far I traveled on my hike
- I want to know the average pace of my hike
- I want to know how far I traveled each hour so I can estimate how far I can travel during the rest of the day
- Prepare a pack for my trip
- I want to put together a checklist of items to bring on a trip.
- I want to bring the same items on my trip as I did on a previous trip.
- I want to know how much my pack will weigh.
- I want to share a packing list with someone else.
- Measure distances on a printed map
- I want to measure a distance on a printed map using the ratio provided.
- I want to measure a distance on a printed map using the conversion provided.
- Know when the tide is high or low
- I want to know when the tide will be low, so I can know when a trail is passable.
- I want to estimate when the next low tide will be, given it is currently a high tide and I don't have internet access to retrieve a tide table.
- Know the height of the tides
- I want to know what the height of the tide is, so I can know when a trail is passable.
- Know when the tide is rising
- I want to know when the tide is rising, so I can determine if it is dangerous to try to cross a trail now.
- Share data between devices while offline
- I want to share a location such as that of a campsite, water source, or trail fork.
- I want to share a note containing information that might be difficult or error-prone to copy verbally, such as a cabin lock combination, reservation number, hiking plan, or instructions.
- Scan QR codes found on trails
- I want to scan a QR code containing text found on a trail sign or geocache and read it with my phone.
- I want to scan a QR code containing a link found on a trail sign or geocache and open it with my phone.
- Purify water
- I want to know how long I should boil water for.
Tools: Weather, Lightning Strike Distance, Temperature Estimation, Clouds
- Predict inclement weather
- I want to know if a storm is moving in/out.
- I want to know how quickly a storm is moving in/out.
- I want to know if I should expect precipitation.
- I want to know how far a thunderstorm is and if it is getting closer to me.
- I want to know if it will be cold at the top of a peak/mountain.
- Signal for help
- I want to use my phone to transmit an SOS signal.
- I want to use my phone to transmit a common whistle code.
- Fall asleep
- I want to block out noises at night while camping.