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Handheld Data Handheld Data CollectionCollection
Charles E. VopickaCharles E. VopickaDatabase ManagerDatabase Manager
Forest Biometrics Research InstituteForest Biometrics Research InstituteCollege of Forestry and ConservationCollege of Forestry and Conservation
University of MontanaUniversity of MontanaMissoula, MT 59812Missoula, MT 59812
Data CollectionData Collection
• Analog– Paper
• Digital– Handheld
Data Collection ProcessData Collection Process
Historically:1. Design procedures2. Go into field3. Collect data4. Return to office5. Enter data into computer6. Analyze
Data Collection ProcessData Collection Process
1. Design Procedures2. Go into field3. Collect and analyze data
– Check for errors in the field– Collect more data
4. Return to the office5. Print results
Handheld ComputerHandheld Computer
Project requirements:create software that
• Can be used on an “off-the-shelf” handheld
• Can be easily and directly imported to PC
• Is user friendly and robust
HardwareHardware
1. Long battery life• Replaceable batteries
2. Nonvolatile/removable memory3. Cheap 4. User friendly5. Compact6. Resilient to field work
Drawbacks Drawbacks
• Not rugged• Volatile memory• Minimal software for forestry
BenefitsBenefits
• $200 pocket PC vs. $1100+ CMT– 5.5:1
• Expandability • Multifunctional
SolutionsSolutions
• Field hardened cases• Removable memory
– See coin
• MFPS-PPC– demo
Mobile FPS for Pocket PCMobile FPS for Pocket PC
• MS Visual Basic .net
• Pocket PC & Windows CE v4+
• CSV data• Data in - data out• Customizable
On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
Charles Babbage
QuestionsQuestions
For more information please contact:
Chuck VopickaForest Biometrics Research InstituteCollege of Forestry and Conservation
University of MontanaMissoula, MT 59812