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ArcGIS Collector and Accuracy of Location and Data

This presentation discusses the use of ArcGIS Collector and Trimble Catalyst to improve the accuracy of spatial data collection. It covers the pros and cons of dedicated GNSS units, how ArcGIS Collector handles metadata, and the various applications and limitations of using consumer-grade smart devices. It also explores the options available for achieving higher accuracy and introduces the Trimble Catalyst solution. The presentation includes a customer story and tips for incorporating GNSS metadata in data collection.

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ArcGIS Collector and Accuracy of Location and Data

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  1. ArcGIS Collector and Accuracy of Location and Data 2017 Indiana GIS Day and Conference Joe Madej Seiler Instrument October 24, 2017

  2. Today’s agenda • ArcGIS Collector • Pros and cons of dedicated GNSS units • Trimble Catalyst • How ArcGIS Collector handles metadata associated with data collection

  3. Poll

  4. What is ESRI Collector? • A smart device application used in the field to collect and update spatial data • Puts mapping in the hands of field workers to improve the accuracy of your spatial data • Use your smartphone or tablet to collect in real time or disconnected

  5. Uses for Collector • Track emergency vehicles during the Boston Marathon • Manage large events such as NASCAR • Tree Inventory • Asset Location • Disaster Relief

  6. ESRI Collector for ArcGIS • Simple toolbar • Common smart device zoom and pan methods • Swipe • Pinch to zoom and Expand • ESRI Background Maps

  7. ESRI Collector for ArcGIS • System Requirements: • Android 4.2 or later • iOS 8 or later • Windows 10

  8. ArcGIS Online Account Requirements • Level 2 Member • Can view, create, and share content • Portal for ArcGIS 10.4.1 is supported

  9. Limitations with Consumer-Grade Smart Devices • Availability (network) • Accuracy level • Assisted GPS (A-GPS) • ~ 5-8 m • Wi-Fi Positioning • ~ 74 m • Cellular Network Positioning • ~ 600 m

  10. A Comparison: Mapping-Grade GNSS Devices vs. Consumer-Grade Smart Devices

  11. How do we bridge the gap to Achieve higher accuracy?

  12. What are my options? • Bad Elf GNSS Surveyor, GPS Pro, and GPS Pro+ • Dual XGPS150A and XGPS160 • Eos Arrow Lite, Arrow 100, Arrow 200, and Arrow Gold • Garmin GLO¹ • GeneqSxBlue II and SxBlue III² • Juniper Geode • Leica GG03¹, GG04, and Zeno 20¹ • Septentrio Altus NR2 and Altus GeoPod² • Spectra Precision SP60¹ and MobileMapper300¹ • Trimble Catalyst • Trimble R1, R2, R8s¹, and R10¹

  13. Accuracy vs Precision

  14. a software GNSS receiver and subscription service that runs on Android smartphones and tablets a small, lightweight antenna for quality GNSS signal reception Trimble or 3rd Party apps that use the Catalyst position Catalyst Solution Trimble Catalyst is a solution that includes:

  15. Catalyst Solution Software GNSS Technology A software GNSS receiver allows for users to access a range of GNSS accuracy levels on their mobile device, from 1 meter to a few centimeters, on-demand. Many applications need higher precision than a phone or tablet’s internal GNSS solution can provide, but they don’t need it all the time or can’t justify an up front capital investment. Catalyst is available as a subscription to meet this type of demand.

  16. Catalyst Solution DA1 Digital Antenna High accuracy GNSS needs to have high quality signal reception from GNSS constellations. Trimble created the DA1 digital antenna to plug directly into Android phones and Tablets to achieve this, while remaining lightweight and compact enough to fit into a backpack or vehicle glove box. Catalyst Website

  17. Catalyst Solution Subscription Accuracy Levels

  18. Customer Story – Collector & Catalyst • City of Centennial, CO and CH2M

  19. GNSS Metadata • Besides geographic coordinates, you might also want to save other GPS metadata associated with a feature such as its accuracy and fix type • This metadata can be valuable to assess data quality and ensure data collection standards have been maintained • You can add GPS metadata fields to a point feature service so Collector can write GPS metadata to the respective fields when editing point features.

  20. Publish a Map with GNSS Metadata • Configuring a feature service to store GNSS metadata • Create two domains in your database Note: Hosted feature layers created in ArcGIS Online or Portal for ArcGIS do not support adding domains.

  21. GNSS Metadata

  22. Keep in Mind • GPS metadata fields are populated on point layers only. • If a point feature is created or updated by long pressing the map instead of using GPS, the GPS metadata fields are cleared. • If a point feature is created or updated and GPS metadata information is not available for the GPS position, the GPS metadata fields are cleared.

  23. The Aurora Project • Better maps • Support for vector basemaps • Improved user experience • Better layout and easier to capture accurate data locations • Smarter Forms • Conditional logic, grouping, and ordering of attributes • Enhancements to High Accuracy 3D Data Collection • Vertical Datum Transformations

  24. Questions?

  25. Blog: mapsupport.seilerinst.com or Email: mapsupport@seilerinst.comSt. Louis ● Kansas City ● Milwaukee ● Indianapolis ● Iowa ● Chicago

  26. Catalyst Solution Subscription Accuracy Levels

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