1. Presented to: San Diego Regional GIS Council Presented by: Pat Landrum, GIS Manager Caltrans District 11 Presented to: San Diego Regional GIS Council Presented by: Pat Landrum, GIS Manager Caltrans District 11 2008 Imperial County Aerial Imagery Acquisition Project

2. 2008 Imperial County Aerial Imagery Acquisition Project Overview Purpose and Need Agency Coordination Project Scoping RFP and Project Management Current Project Status Next Steps/Future Efforts

3. 2008 Imperial County Aerial Imagery Acquisition Project Purpose and Need for Project Acquire High Resolution, Spatially Accurate Aerial Imagery Acquire High Resolution, Spatially Accurate Aerial Imagery - Support SCAG Land Use Database - Support Assessor’s Office Workflow - Local Jurisdiction Asset Management - Travel Demand Model Development/Maintenance - Agricultural Land Management - Habitat Management/Planning (Salton Sea)

4. 2008 Imperial County Aerial Imagery Acquisition Project Agency Coordination Lead Agency - SCAG Lead Agency - SCAG - $240,000 Budget - USGS Contribution $40,000 (Salton Sea Shoreline) - Imperial County GIS (ICGIS) - Technical Advisory Committee QA/QC Sub-Committee QA/QC Sub-Committee - Caltrans, Assessor, Nobel Systems, Calexico, IID, SCAG - Positional Accuracy (Caltrans Surveys/Photogrammetry) - Seam Lines, Color Balance, Shadows, etc. – Collective Effort

5. 2008 Imperial County Aerial Imagery Acquisition Project Project Scoping Research Research - Recent Projects - LARIAC Efforts - Off-the-Shelf Products - Identify Product Needs and Minimum Specs - Develop Preliminary Cost Estimates

6. 2008 Imperial County Aerial Imagery Acquisition Project Project Scoping Image Capture Areas Image Capture Areas - Urban (Irrigated) and Non-Urban - Baja (Mexicali and Andrade/Algodones) - High Res/Low Res Areas Temporal Issues Temporal Issues - Agricultural Seasons/Characteristics - Sun Angle - Project Schedule (Flight Schedule, Processing, Funding [SCAG & USGS]) - Military and Mexican Airspace Clearance Technology and Products Technology and Products - Digital vs. Film (Digital) - Airborne GPS/IMU and AAT - GeoTIFF and MrSID (UTM and StatePlane) w/Metadata - Photo-Grid with Time and Date Stamp - Public Domain

7. 2008 Imperial County Aerial Imagery Acquisition Project Project Scoping Imagery Specifications Imagery Specifications - Two Tiered – Minimally Acceptable and Desirable - 6”/pixel for Urban (Irrigated) Area - 1’/pixel for Non-Urban Area - ± 3.3 and ± 6.6 Positional Accuracy (NMAS 1:100/1:200)

8. 2008 Imperial County Aerial Imagery Acquisition Project RFP Development & Consultant Selection RFP Development RFP Development - Project Specifications - Tile Index (Hi Res/Low Res) - Define Requirements, Tasks & Schedule - ID Preliminary QA/QC Sample Areas - Deliverables Proposal Review and Consultant Selection Proposal Review and Consultant Selection - Proposal Review Committee (Tech Group Subcommittee) - 4 Proposals - 2 Eliminated (Over Budget & Past Performance) - SANBORN Selected for Project

9. 2008 Imperial County Aerial Imagery Acquisition Project Project Development/Delivery Project Coordination Project Coordination - Flight Plan - Military and Mexican Airspace Clearance - QA/QC Review (“Pilot” Images – Varied Characteristics) - Contract Amendment for USGS Funds 6”/Pixel Capture Area and Flight Plan 1’/Pixel Capture Area and Flight Plan

10. 2008 Imperial County Aerial Imagery Acquisition Project Current Project Status QA/QC Review QA/QC Review - All Sample Tiles Well Within Tolerance for Specs - GeoTIFFs Delivered - Defining MrSID Tile Areas - Final Project Delivery by end of October 2008

11. 2008 Imperial County Aerial Imagery Acquisition Project Sample Data 6”/Pixel Data – Calexico Area Default Settings (ArcGIS) 6”/Pixel Data – Mexicali Minimum-Maximum Stretch (ArcGIS)

12. 2008 Imperial County Aerial Imagery Acquisition Project Next Steps Deliver MrSID Data to Local Agencies Deliver MrSID Data to Local Agencies Provide Training Provide Training Host Data on ICGIS GeoViewer Application (Nobel Systems) Host Data on ICGIS GeoViewer Application (Nobel Systems) Make Data Available in the Public Domain (USGS) Make Data Available in the Public Domain (USGS) Custom MrSID Files for Local Jurisdictions (Caltrans) Custom MrSID Files for Local Jurisdictions (Caltrans) Presentation to IVAG Management and Regional Council (SCAG/Caltrans) Presentation to IVAG Management and Regional Council (SCAG/Caltrans) Future Efforts FY 2009/10 Project (Urban Area Only?) FY 2009/10 Project (Urban Area Only?) Explore Additional Funding Opportunities (USGS, USMC, Others?) Explore Additional Funding Opportunities (USGS, USMC, Others?) Utilize Data to Develop/Enhance Land Use Data Utilize Data to Develop/Enhance Land Use Data Travel Demand Model Development Travel Demand Model Development

13. 2008 Imperial County Aerial Imagery Acquisition Project Questions?