VBMP Orthophotography Status

Orthophotography Contract Contract Awarded to Sanborn on December 23 rd Planned Maximum Budget: $6.0 Million (2006/07 Budget) Statewide 1 Foot Resolution Orthophotography –Eastern Half of State Will Be Captured during 2009 and Western Half Will Be Captured during 2011 Digital Capture Faster Delivery –Intermediate County Mosaics within 60 days –Final Ortho Delivery within 6 Months of Acquisition Delivery Will Include Color Infrared Band (4 band color)

3 2009/2011 Flight Areas

4 Pricing for Core Products Product2009 Price Per Tile 2007 Price Per Tile 1 Foot Orthophotos $60.00$ Inch Orthophotos $64.50$ Foot Contours$27.20$ Foot Contours$13.60$23.11

Contract Value 1 Foot Base Orthophotography –$1,484,280 Orthophotography Resolution Upgrades –$372,780 4 Foot Contours –$27,690 2 Foot Contours –$6,718 Total Value = $1,891,468

6 Imagery Acquisition Acquisition began on February 1 st, 2009 Acquisition completed on March 31 st, 2009 –87% of photos were captured by February 25 th 33,628 Images Acquired –26 Terabytes of raw imagery!

2009 Upgrades

9 Additional Upgrades 4 Foot Contours –Halifax County 2 Foot Contours –Blacksburg –Charlottesville –Fredericksburg –Hopewell Impervious Surface –James City County

10 Raw Image Samples Prince George (6 Inch) – February 20 th, 2009

11 Raw Image Samples Prince George (6 Inch) – February 20th, 2009

12 Raw Image Samples Monticello (6 Inch) – February 21st, 2009

13 Raw Image Samples Monticello (6 Inch) – February 21st, 2009

14 Image Comparisons Monticello (6 Inch) – True Color

15 Image Comparisons Monticello (6 Inch) – Color Infrared

16 Raw Image Samples York County (6 Inch) – February 21st, 2009

17 Raw Image Samples York County (6 Inch) – February 21st, 2009

18 Image Comparisons Isle of Wight (1 Foot), 2002 James River Bridge

19 Image Comparisons Isle of Wight (6 Inch), 2007 James River Bridge

20 Image Comparisons Isle of Wight (1 Foot), 2009 James River Bridge

21 Data Delivery Delivery of preliminary mosaics will begin on May 1 st –1 foot resolution for entire 2009 flight area –No QA/QC performed on products –Orthorectified using 2006/2007 terrain models –VGIN plans to offer mapservice as primary delivery method Final products delivered by September 30 –4 Band GeoTiff and JPG2000 tiles –Digital Terrain Models

22 File Sizes of Final Deliverables Uncompressed GeoTiff –100 MB per tile –2.89 TB for 2009 flight area Lossless JPG2000* (5:1 compression) –20 MB per tile –592 GB for 2009 flight area * MrSID format does not support more than 3 bands so JPG2000 has been chosen as the delivery format