Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Processing within the Geodatabase
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Session Overview Support for GPS Data within ArcGIS Overview of GPS Analyst Extension GPS Analyst Data Model Office software demonstration Further Resources
Copyright © 2005 Trimble Navigation Ltd. All rights reserved What Do I Need to Post-Process? GPS Analyst + GPScorrect TerraSync NMEA
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Support for GPS Data in ArcGIS GPS support within ArcGIS via a NMEA- enabled GPS Toolbar (free download from ESRI)
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Support for GPS Data in ArcGIS GPS support within ArcGIS via a NMEA- enabled GPS Toolbar (free download from ESRI) Limitations – No indication/documentation of GPS Quality – No ability to eliminate significant error sources through DGPS – No ability to “drill-down” to review/edit source GPS data GPS Analyst resolves most of these issues
Copyright © 2005 Trimble Navigation Ltd. All rights reserved An ArcGIS Desktop extension that allows you to work directly with GPS data What is the GPS Analyst extension?
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Maximize the accuracy of your GPS data – Differentially correct in ArcGIS with Trimble’s proven correction engines – Store GPS metadata in the geodatabase Why use the GPS Analyst extension?
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Improve field-to-office workflow – Collect features and GPS data directly into the geodatabase with Trimble or NMEA receivers – Check GPS data directly into the geodatabase – View, query and analyze GPS data alongside GIS layers – Create custom workflows that include GPS data processing Why use the GPS Analyst extension?
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Key features View, edit, and analyze GPS data directly inside ArcMap
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Improve productivity by eliminating extra file conversions – Direct check-out and check-in of data from ArcPad + Trimble ® GPScorrect ™ extension for ESRI ArcPad – Import and export files from TerraSync™ in ArcCatalog Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Improve GPS position accuracy by postprocessing data – Using Trimble’s proven differential correction engines – With automatic base file search and download from the Internet Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Why postprocess your data?
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Have confidence in the quality of your data – Store detailed information on every GPS position Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Ensure features meet your required accuracy – Run validation on GPS positions – Rebuild features that do not meet the accuracy requirement Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Take the power of ArcGIS to the field – Access full geodatabase capabilities in the field – Log GPS data, features, and attributes directly to the geodatabase – Use familiar ArcMap tools in the field Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Using GPS to find existing features – For inspection or maintenance – For attribute and position verification or update – Easy to use direction dial and lightbar Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Comprehensive GPS status display screens – GPS satellite information – Real-time status – Receiver status Key features
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Using GPS Analyst to Improve GPS Data Quality ArcGIS Desktop extension that allows you to work directly with GPS data
Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Analyst Work Flows Data check-out and check-in for ArcPad + GPScorrect Import and Export for Trimble SSF files via ArcCatalog Store detailed quality information for GPS data Take advantage of ArcMap tools and functions
Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Analyst Data Model… Get from Here…
Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Analyst Data Model… Get from Here… To Here...?
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Data Model All underlying GPS positions retained Enables re-building of GIS features using different settings Enables selection of positions from different sessions Accuracy of each feature persisted to GeoDatabase – Average Estimated Accuracy – Worst Estimated Accuracy GIS feature coordinates are abstraction from underlying GPS position data
Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Analyst Toolbar Field Tools GPScorrect Tools Office ToolsPull-Down Menu Query/Analysis
Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Analyst Toolbar Field Tools GPScorrect Tools Office Tools Ability to turn toolbar sections on or off
Copyright © 2005 Trimble Navigation Ltd. All rights reserved GPS Analyst Demo
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Summary If accuracy is important, you must accommodate post-processing for GPS data GPS Analyst permits analysis and post- processing of GPS data Permits verification and documentation of GPS quality Supports GPS data collection by ArcPad, ArcGIS, Trimble and 3rd-party applications Open - Ability to create custom applications or workflows
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Further Resources FAQ’s White Papers Support Resources Etc. Getting Started Guide – Comprehensive Introduction to GPS – GPS Analyst concepts and tutorials For more information:
Copyright © 2005 Trimble Navigation Ltd. All rights reserved Questions?