Technology and equipment for computer assisted fieldwork and excursions
Alfred Wagtendonk, 8 januari 2004 1
SPINlab Spatial Information Laboratory
Begrippen Active -Sync ActiveSync is communicatiesoftware die door de handheld computer gebruikt wordt voor de communicatie met de computer via een zogenaamde ‘cradle’ of via een draadloze verbinding, bijv. Infrarood of BlueTooth BlueTooth Laagspannings-radiotechnologie voor draadloze verbinding van elektronische apparaten (tot ca. 10 meter afstand) GIS Geografisch Informatie Systeem Computersysteem voor verwerking, opslag, analyse en presentatie van geografische informatie GPRS General Packet Radio Service Een mobiele communicatie technologie speciaal voor het verzenden van data. 2
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Begrippen GPS Global Positioning System Systeem van 24 satellieten waarmee het mogelijk is een exacte locatiebepaling te doen. Handheld PC Draagbare computer met display en CPU die in één hand kan worden vastgehouden (andere namen PDA – XDA, zakcomputer,etc.) LBS Location Based Service. Een service via een handheld computer die aktief wordt aangeboden op basis van de lokatie van de gebruiker PDA Personal Digital Assistant. Een draagbare (handheld) computer PocketPC Merknaam waaronder Microsoft haar Windows CE systeem voor PDAs3 op de markt brengt.
Begrippen Webmapping Ook wel Internet GIS genoemd. GIS applicaties die met de browser bevraagd kunnen worden. XDA PDA uitgebreid met ingebouwde GPRS zender en ontvanger. De naam XDA is door O2 vastgelegd als merknaam.
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GIPSY project – W-learning
Gipsy
W-learning SPINlab
Education, lectures, tests, administration, ...
Field work Radar Support Welcome Communication Resources MyGipsy Learn & fun
Field work, mapping, store and retrieve data, ...
Multimedia Test yourself ! MyGipsy
Locate yourself and your colleagues, ...
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GIPSY project – ‘CropSpy’ cropmapping application • An ArcPad application for computer assisted fieldwork for the yearly updated crop map of the Netherlands (1:10,000)
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GIPSY project – ‘CropSpy’ cropmapping application Components PDA Collecting data in the field
OFFICE/COMPUTER Sharing database Processing data
CELL PHONE Internet connection for PDA via BlueTooth
Synchronization
Synchronization: many-to-one
INTERNET EXPLORER Sending data to the office Checking data E-mail communication
7 GPS Accurate position
www.spinlab.vu.nl
Synchronization (wireless)
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Handheld PC’s iPAQ (HP), Palm, Fujitsu-Siemens, O2 XDA, Sony, Toshiba, Handspring, Acer, etc. see e.g. http://www.pdashop.nl, http://www.expansys.nl/
- Prices from 99 to 1500 Euro - Memory from 2 – 128 MB - CPU from 16 - 400 MHz - Features: replaceable battery,bluetooth, integrated wireless local area networking (WLAN), SD slot, integrated camera, etc. 9
Software for handheld PC’s
http://www.microsoft.com/windowsmobile/resources/d ownloads/pocketpc/default.mspx http://www.webattack.com/pocketpc/pocketpc.html http://www.pocketpcfreewares.com/index.php http://www.handheld computergold.com/software/list.asp?p=1 http://www.ppc4all.com/category.php?cat=95&lic=free etc. 10
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Mobile GIS ArcPad –ESRI http://www.esri.com /software/arcpad/index.html Mobile mapping and geographic information system (GIS). ArcPad provides database access, mapping, GIS, and global positioning system (GPS) integration to users out in the field via handheld and mobile devices.
Costs ca. 500 $ (US) / 600 E per normal license
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Application development ArcPad Application Builder http://www.esri.com/software/arcpad/application-builder.html
Software to customize ArcPad on the desktop. • Creating new toolbars containing built-in and custom tools • Designing custom forms for data collection • Script writing to automate ArcPad software tasks • Applet building for specialized functionality • Extension development to support new file formats and positioning services. 12
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Application development ArcPad Application Builder
• Costs ca. 1500 $ (US) per license • ArcPad Application Builder includes a copy of ArcPad, ArcPad Studio (the desktop customization application), detailed online documentation, sample code, and first-year maintenance.
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Mobile GIS + LBS IntelliWhere OnDemand
http://imgs.intergraph.com/intelliwhere /
User-friendly hand-held software to provide your mobile workforce with intelligent mapping and asset data. IntelliWhere LocationServer Server-side technology to build location-based services solutions, location-enable applications and automate data delivery to your mobile workforce. IntelliWhere TrackForce Server-based technology to track the location of field crews and mobile assets.
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Power supply Batteries - internal batteries, - replaceable and rechargable battery packs
Alternatieve sources - recharging via car accu - solar power - dynamo
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Power consumption Stand-by
- several days to several weeks
‘Normal’ use
- between 4 and 16 hours depending on device and power save strategy (backlight level, automatic power-off when not in use, etc.)
Extensive use
- between 2 and 6 hours longer if external devices have their own power supply
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Protection possibilities
Waterproof bag Aquapac
Shock and drip waterproof case iPaq
Talla-Tech rugged handheld computer
Waterproof and shockproof Armor case Otter 17
Transport possibilities
Mounting equipment for Garmin 12 GPS and XDA 18
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Cost overview for one user set in Euro Hardware iPAQ 1940 (bluetooth, 64 MB, 266 MHz)
369
Waterproof case Aquapac classic
30
GPS Garmin Etrex + verbindingskabel
275
Blue Tooth telefoon GPRS / UMTS Siemens S55
250
totaal hardware
675
Software ArcPad
500
ArcPad Application builder
1500
totaal software
500
Data
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Data verkeer
2,5 Euro/MB
abonnementskosten + kosten voor dataverkeer per MB Vodaphone
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Opties (montage steunen, extra batterijen, digitale camera, etc.)
Cost overview for one user set in Euro Hardware iPAQ 5550 (bluetooth, 64 MB, 266 MHz)
700
Water/shock proof case iPAQ
130
Bluetooth GPS Emtac Crux II
350
Blue Tooth telefoon GPRS / UMTS Siemens S55
250
totaal hardware
1430
Software ArcPad
500
ArcPad Application builder
1500
totaal software
500
Data
?
Data verkeer
2,5 Euro/MB
abonnementskosten + kosten voor dataverkeer per MB Vodaphone
20
Opties (montage steunen, extra batterijen, digitale camera, etc.)
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