Mobile Applications

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Mobile Applications
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Is this still around?

• Still around and being worked on
• Non-Server
• Focused on Microsoft products, but they do
  support Linux
• Stripped down versions of Linux are showing up on
  many mobile devices
• ArcPad 7.1 will have a Query Builder
• Do actual queries and not just Find

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• Related tables can be queried AND edited in
  ArcPad 7.1
• Related tables go along with the checkout
• ArcPad 7.1 will honor all geodatabase rules when
  something is checked out
• They are releasing a Street Map Mobile SDK
• Will add navigation to standard ArcPad
  applications
• The US Census Bureau is using ArcPad for their
  collection efforts this go around

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Collection Tips

• Very important to have Averaging turned on when
  using GPS
• Always face south when taking a GPS reading
• Dont collect data with less than 4 satellites
  available
• Can use HDOP if you dont care about elevation,
  otherwise use PDOP
• Use vertex averaging for straight lines

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• Server Mobile
• You have to have the Windows Mobile SDK loaded on
  the development machine along with the ArcGIS
  Server Mobile SDK if the end point is a windows
  device
• Use the MapCache extractor to pull data across to
  the mobile device before going to the field
• Mobile devices are kinda slow
• Very important to dispose of memory objects
• Multithreading is important
• Keep track of the device state to inform the user