GRASS GIS on iPAQ

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GRASS GIS on iPAQ
WILMA PROJECT

• http//grass.itc.it/grasshandheld.html
• Jan Stankovic
• ITC-irst SSI / MPA
• jan.stankovic_at_vsb.cz

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Mobile devices

• Small
• Portable
• Powerful
• Light weight
• Expandable
• For example Compaq iPAQ 38xx32 MB ROM
• 64 RAM206 Mhz Strong ARM CPU320/240
  displayexpansion jacketsOnly 190 g

Pictures taken from Compaq website.
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Expandability - connectivity

• Localization of position
• GPS receivers
• Network connectivity
• WLAN (802.11)
• GSM (GPRS)Bluetooth
• Memory expansionCF cardsSD cards
• IBM Microdrive
• MultimediaDigital cameras
• Other

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Linux on iPAQ

• Why Linux ?
• From digital diary to server!
• Wireless network support Linux is designed for
  networking
• Power, scalability, security and reliability of
  Linux system
• Free OS and programming environment
  independency
• Possibility to port a lot of available free SW
  gtgt GIS on IPAQ
• X-window system
• Applications and Multimedia
• Supported by Compaq
• Familiar Linux distribution

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Some screenshots of Linux on iPAQ

Web browser Dillo rotated screen
FIRST HANDHELD GIS GRASS in POVO
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GRASS GIS

• Geographic Resources Analysis Support System
• open source, free software Geographical
  Information System
• It has raster, topological vector, image
  processing, graphics production functionality and
  many more
• It operates on various platforms through a
  graphical user interface and shell in X-Windows.
• It is released under GNU General Public License
  (GPL)
• GRASS is currently used in academic and
  commercial settings around the world
• GRASS allows users to analyze, store, update,
  model, and display data
• It can be used in land planning, engineering,
  hydrology, geology, physics, statistics, remote
  sensing, business, civil defense, army and many
  others
• See http//grass.itc.it (international distrib
  site, based at ITC-irst) and http//mpa.itc.it
  (for examples of applications)

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Screenshot of GRASS environment
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GRASS GIS on handheld

• Lightweight version for handheld PC
• Compiled for iPAQ arch.
• Raster
• Vector
• Sites
• Object identification
• Input of sites
• Zooming functions
• Wireless network support
• GPS support is in progress

GRASS command shell on iPAQ
Main difficulties -Touch pen input, relatively
small display and memory.
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Baby GRASS demo system screenshots
Ortofoto Povo
Ortofoto with raster overlay
Roads and civic Numbers (courtesy of
Comune di Trento)
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Baby GRASS demo system screenshots
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Baby GRASS demo system screenshots
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To do

• Make new graphic user interface for touch pen
  input
• Add some more functions that users may like
• Prepare specific datasets and UI for different
  users
• Use in real work and life

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Some screenshots of Linux on iPAQ