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2009-2012 VBMP Orthophotography Status

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2009-2012 Orthophotography Contract

• Contract Awarded to Sanborn on December 23rd

• 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)

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2009/2011 Flight Areas

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Pricing for Core Products

Product 2009 Price Per Tile

2007 Price Per Tile

1 Foot Orthophotos

$60.00 $115.43

6 Inch Orthophotos

$64.50 $76.90

4 Foot Contours $27.20 $36.00

2 Foot Contours $13.60 $23.11

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2009 Contract Value• 1 Foot Base Orthophotography

– $1,484,280• Orthophotography Resolution Upgrades

– $372,780• 4 Foot Contours

– $27,690• 2 Foot Contours

– $6,718Total Value = $1,891,468

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Imagery Acquisition

• Acquisition began on February 1st, 2009• Acquisition completed on March 31st, 2009

– 87% of photos were captured by February 25th

• 33,628 Images Acquired– 26 Terabytes of raw imagery!

2009 Upgrades

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Additional Upgrades

• 4 Foot Contours– Halifax County

• 2 Foot Contours– Blacksburg– Charlottesville– Fredericksburg– Hopewell

• Impervious Surface– James City County

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Raw Image SamplesPrince George (6 Inch) – February 20th, 2009

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Raw Image SamplesPrince George (6 Inch) – February 20th, 2009

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Raw Image SamplesMonticello (6 Inch) – February 21st, 2009

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Raw Image SamplesMonticello (6 Inch) – February 21st, 2009

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Image ComparisonsMonticello (6 Inch) – True Color

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Image ComparisonsMonticello (6 Inch) – Color Infrared

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Raw Image SamplesYork County (6 Inch) – February 21st, 2009

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Raw Image SamplesYork County (6 Inch) – February 21st, 2009

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Image ComparisonsIsle of Wight (1 Foot), 2002

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Image ComparisonsIsle of Wight (6 Inch), 2007

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Image ComparisonsIsle of Wight (1 Foot), 2009

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Data Delivery• Delivery of preliminary mosaics will begin

on May 1st

– 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

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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