Orthophotography Update PowerPoint PPT Presentation

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Title: Orthophotography Update


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Orthophotography Update
  • Wendy Stout
  • Geospatial Program Manager
  • Virginia Geographic Information Network
  • October 9, 2013

www.vita.virginia.gov
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Current Status of VBMP 2013-2016
www.vita.virginia.gov
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VBMP Program 2013-2016
  • Commonwealth contracted with the Sanborn Map
    Company to provide full color, leaf-off, digital
    orthophotography for the entire land base of
    Virginia.
  • Eastern portion of the State was acquired in
    Spring 2013.
  • Western portion of the State will again be
    acquired in Spring 2015.

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VBMP Program 2013-2016
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Off-Year Flights
  • Orthoimagery/upgrades outside of the base program
    years (2013 for eastern half, 2015 for western
    half) can be acquired
  • Minimum area/order size must be greater than 25K
    in value
  • 1ft ortho price 20.59 per 1 tile in off-year.

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2013 12-in Flight Design
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2013 6-in, 3-in Flight Design
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2013 Acquisition
Upgrades Upgrades
3-inch orthos 6-inch orthos
Alexandria Albemarle County
Arlington Charlottesville
2-ft Contours Fairfax City
Alexandria city Fairfax County
Fairfax City Farmville Town
Spotsylvania County Hopewell city
Farmville Town James City County
Charlottesville New Kent County
4-ft Contours Richmond City
Albemarle County Scottsville
Greensville County Spotsylvania County
Impervious York County
Stafford County Enhanced Landcover
Fairfax city New Kent County City of Williamsburg
Structure Planimetrics Other Planimetrics
Spotsylvania County Alexandria city
Farmville Town Arlington County
Goochland County Spotsylvania County
New Kent County
partial
2013
2015
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Acquisition
  • Flights began on 2/21.
  • Final flight was performed 4/14.
  • In between, weather and flying conditions were as
    bad as weve seen
  • Multiple snow events, last one in April
  • Very few clear days multiple re-flights needed
    for clouds/shadows
  • All 6-in and 3-in blocks were completed.
  • 98 of the 1-ft blocks were acquired
  • Portions of Fredericksburg, Fauquier, Prince
    William, and Stafford were not able to be
    acquired before the leaf-on conditions stopped
    flights
  • Sanborn and VGIN will be coordinating to re-fly
    these areas in spring 2014.

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12-in Area no 2013 coverage
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Status Summary Statistics
  • 23,164 of 32,354 tiles have been delivered from
    Sanborn to Dewberry (72 of total program)
  • 12,556 of 32,354 tiles have completed QC (39 of
    total)
  • 8,731 of 32,354 tile are fully accepted (27 of
    total)

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Milestone Update
Table 1 Eastern Project Area Table 1 Eastern Project Area Table 1 Eastern Project Area Table 1 Eastern Project Area Table 1 Eastern Project Area
         
Milestone Number Date Number of Completed Blocks Cumulative Number of Completed Blocks Actual Number of Cumulative Completed Blocks
1 31-Jul-13 5 5 4   one foot and three 6 inch blocks  (equivalent to .5  one foot block)
2 31-Aug-13 6 11 9  one foot blocks and 6 six inch blocks (equivalent to 1.3 one foot blocks)
3 30-Sep-13 6 17 17 one foot blocks have been delivered
4 31-Oct-13 7 24  
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Locality Deliveries
  • The first deliveries Farmville, Hopewell and
    the Eastern Shore (Accomack and Northampton) have
    been delivered to the locality.
  • The upgrade area of The City of Richmond and
    several additional non-upgrade localities are
    also currently in the process of packaging for
    delivery to the locality.

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Oct/Nov Expectations
  • Deliverables to the locality include Geotiffs,
    MrSids, and DTM
  • Additionally, VGIN will create a MrSid locality
    mosaic upon request.
  • The VBMP is on track for all imagery to be
    delivered to localities by the end of the year

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Questions?
  • Thank you!

www.vita.virginia.gov
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