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Accelerometers in Phones - a workshop
 

Accelerometers in Phones - a workshop

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Slides from a presentation to postgrads at Sussex University. Feb 2012. Students had to give short talks on GPS, accelerometer, gyro and compass. I presented these slides - what I know about GPS and ...

Slides from a presentation to postgrads at Sussex University. Feb 2012. Students had to give short talks on GPS, accelerometer, gyro and compass. I presented these slides - what I know about GPS and what I don;t know about Acc

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  • Use of real finds and junk Children indoors will see finds as they come in Look in catalogue to find whether Roman/Ancient Briton or something else Something about the junk – what it will tell someone in the future about us
  • Geo-physics – shows what is underground by measuring changes in soil conditions e.g. resistance We will build a machine to attach to phone We will be going out to play this too Compare with aerial photos and other outward signs We end up with a building floor plan – what might that indicate
  • Take the floor plan Decide which are going to be the points where we dig Go outside and mark up points for digging Also put the plan into our art program
  • Going to talk about Bombs Away – proposed games, all the phones I have ever owned – less about the technology – a bit of waffle around the edges

Accelerometers in Phones - a workshop Accelerometers in Phones - a workshop Presentation Transcript

  • Accelerational A few thoughts on the use of accelerometers in games Richard Vahrman - Locomatrix
  • Phones & Tablets - Full of Sensors
    • But lets look at GPS and accelerometers
  • GPS – What you get Attribute Description Unit latitude The geographical coordinate with a value between –90 to +90 degrees. Negative latitude denotes south and positive latitude denotes north. Degrees longitude The geographical coordinate with a value between –180 to +180 degrees. Negative longitude denotes west and positive longitude denotes east. Degrees altitude Vertical height of the geographical coordinates (Latitude and Longitude). Meters horizontalAccuracy(Accuracy) The horizontal accuracy of the position denoted by the geographical coordinates (Latitude and Longitude). Meters verticalAccuracy(Altitude Accuracy) The vertical accuracy of the position denoted by the geographical coordinates (Latitude and Longitude). Meters speed The current ground speed of the device. If the device is stationary, the value of this attribute will be zero. Meters per Second timestamp The time since the application was initialized. For example, if the application has captured geolocation data for four seconds after it got initialized, then the value of this attribute will be 4000. Milliseconds
  • GPS – What you can do with it
  • Invisible Buildings Here’s our game
  • Metal Detectors
  • GeoFizz
  • The Dig
  • Dinosaurs
  • Bomb Disposal Squad
  • Accelerometers – What you get
    • accelerationX—Acceleration along the x-axis, measured in g’s. The x-axis runs from the left to the right of the device when it is in the upright position. (The device is upright when the top of the device is facing up.) The acceleration is positive if the device moves toward the right.
    • accelerationY—Acceleration along the y-axis, measured in g’s. The y-axis runs from the bottom to the top of the device when it is in the upright position. (The device is upright when the top of the device is facing up.) The acceleration is positive if the device moves up relative to this axis.
    • accelerationZ—Acceleration along the z-axis, measured in g’s. The Z axis runs perpendicular to the face of the device. The acceleration is positive if you move the device so that the face of the device points up. The acceleration is negative if the face of the device points towards the ground.
    • timestamp—The number of milliseconds at the time of the event since the runtime was initialized.
  • Plane flying games
  • Car Racing Games
  • Tilting Games
  • Arcade Games
  • Penguin Skiing Games
  • But, aren’t these all the same?
    • Yes, a more interactive mouse.
    • Can we do more?
  • Thinking something more like this
  • Maybe this
  • My Height System
  • Digging
    • The winners of this year’s hole digging contest managed to dig a 3.26-meter-deep hole, and took home the 100,000 yen ($1,215) cash prize. It didn’t exactly make them rich men, but it was an original way to spend a Sunday.
  • Investigating Sensors - GPS Status
  • Investigating Sensors – Tour de Flex
  •