utilizing handheld gis technology wisconsin land information association annual conference
TRANSCRIPT
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Utilizing Handheld GIS Technology
Wisconsin Land Information Association Annual Conference
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IntroductionsIntroductions
• Handheld GIS Applications– Jon Schwichtenberg
• GIS Leader• GISP
• GPS/GIS – Bobbie McIlroy
• Senior Technician• GPS Specialist
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Handheld GIS TechnologyHandheld GIS Technology
• Compaq/HP IPAQ ®
– ArcPad® by ESRI– HGIS ® by StarPal– MapXtend ® by MapInfo
• Palm – GPS Pilot– GeoGIS by GeoInsight
• Trimble GeoXT ®
– Terraserver ®
– ESRI ArcPad
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ArcPad Allows ForArcPad Allows For
• Image display
• Creating and editing spatial data
• Navigation
• Ability to identify, query,
locate and display features
• Measuring
• Custom application development
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Why Use ArcPad?Why Use ArcPad?
• Field data collection – time-consuming – error-prone
• Geographic data in the field – Paper maps– Sketches and notes hand recorded– Data manually entered into the GIS– Results inaccurate and delayed
• ArcPad allows information to be collected digitally– Provides field access to GIS data– Adds real-time capabilities – Allows for analysis, display, and
faster decision making in the field
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Who Uses ArcPad?Who Uses ArcPad?
• Asset inventory
• Asset maintenance
• Inspections
• Incident reporting
• GIS analysis and
decision making
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ESRI ArcPad TemplatesESRI ArcPad Templates
• ArcPad templates located on the ESRI website include applications for:
• Health and Human Services
• Infrastructure and Utilities
• Natural Resources
• Public Safety
• State and Local Government
• Urban and Regional Planning
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ArcPad ApplicationsArcPad Applications
• EMS
• Tree Inventory
• Building Inspection Application
• Storm Water Phase II Application
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GPS andGIS
GPS andGIS
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Integrating GPS into the GIS processIntegrating GPS into the GIS processIntegrating GPS into the GIS processIntegrating GPS into the GIS process
• GPS can be one of the various ways to collect data for GIS
• No need for digitizing maps or manually entering data
• Data is collected quickly and accurately
• Process for updating data is more efficient
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Data collected for GIS can be stored as:Data collected for GIS can be stored as:
• Points
• Lines
• Area
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Data Collection ConsiderationsData Collection Considerations
• Planning day around satellite positions
• Field conditions
• Accessibility
• Standard process for adding data attributes (data dictionaries)
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Data DictionaryData Dictionary
• Equivalent to a paper form that you fill out with information about the feature
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Data DictionaryData Dictionary
• Designed specific for what data is being collected about that feature
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Data DictionaryData Dictionary
• Can be created to match existing shape file databases to ensure efficient update processes
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Additional features that make GPS a beneficial part of the GIS processAdditional features that make GPS a beneficial part of the GIS process• Shape files or raster files can be used as
backgrounds
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Additional features that make GPS a beneficial part of the GIS processAdditional features that make GPS a beneficial part of the GIS process• Existing data can be transferred into
waypoints for navigating purposes
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Processing the Collected GPS DataProcessing the Collected GPS Data
• Transfer to a PC
• Differentially correct
• Change coordinate system
• Display/Manipulate data
• Export to GIS format
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Managing the GPS dataManaging the GPS data
• Maintain efficient standards for entering, updating and collecting data
• Save time and space by minimizing redundancy of attributes
• Make sure the correct units, datum, and coordinate system is being used
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Contact InformationContact Information
SEH Inc.6418 Normandy Lane, Suite 100Madison, WI 53719800.732.4362 (office – toll free)
Jon Schwichtenberg, GISP608.358.9517 (cellular)608.270.5360 (office)
Bobbie McIlroy608.270.5342 (office)
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Questions??Questions??
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Utilizing Handheld GIS Technology
Wisconsin Land Information Association Annual Conference