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King County GIS Center
King Street Center
201 S. Jackson St.
Suite 706
Seattle, WA 98104
giscenter@kingcounty.gov

47.59909 N
122.33136 W

47° 35' 56.72" N
122° 19' 52.90" W
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Summary of file information for tiled data sets in KCGIS Spatial Data Warehouse image library

This table outlines all the Orthophotography datasets in the King County Spatial Data Warehouse. As indicated in the Orthophotography Summary, not all these data are available for public release.

7500 tiling scheme (lowest tiling scheme)
Twn-Rng tiling scheme
Zone tiling scheme
KeyRegion mosaic levels

For information on KCGIS tiling schemes and naming conventions, visit our KCGIS Raster Data Naming Conventions page.

Orthophoto Dataset 7500
tile format		Avg 7500 tile size (mb)
- no compression		Num. of
7500 tiles		Data Set
size (gb)
Western King County 1936 panchromatic, 1-ft pixel TIF 55 401 21
City of Seattle 1993 panchromatic, 1-ft pixel TIF 56 153 8.6
NIES 1996 natural color, 3.28-ft pixel TIF 15.7 935 14.6
WA Dept of Natural Resources 1998 panchromatic, 3-ft pixel TIF 6.3 2200 13.8
DAIS 2000 natural color, 1.64-ft pixel TIF 62.8 60 3.7
DAIS 2000 color infrared, 1.64-ft pixel TIF 62.8 60 3.7
Emerge 2000 natural color, 2-ft pixel TIF 42.2 1230 51.3
Emerge 2000 color infrared, 2-ft pixel TIF 42.6 1230 52.3
Ikonos 2000 natural color, 15-ft pixel TIF 0.7 882 0.66
Space Imaging 2000 natural color composite, 4-ft pixel TIF 10.6 1914 20.2
2002 USGS natural color, 1-ft pixel TIF 169.7 446 75.7
2002 King County natural color 1-ft pixel TIF 164.8 1250 196.0
2005 City of Seattle 0.5-ft pixel TIF 659.3 81 50.9
2005 Aerials Express 1-ft pixel TIF 170.4 1161 188.0
2007 King County 1-ft and 0.5-ft pixel SID 250-300 (losslessly compressed) 1534 279
2009 King County 1-ft and 0.5-ft pixel SID 250-300 (losslessly compressed) 1534 279
Orthophoto Dataset   Twn-Rge
tile format		Avg Twn-Rge tile size (mb)
- 7x compression		Num. of
Twn-Rge tiles		Data Set
size (gb)
Western King County 1936 panchromatic, 1-ft pixel SID 165 27 3.8
City of Seattle 1993 panchromatic, 1-ft pixel JP2 123.6 11 1.36
NIES 1996 natural color, 3.28-ft pixel JP2 41.5 46 1.91
WA Dept of Natural Resources 1998 panchromatic, 3-ft pixel JP2 26.0 84 2.2
DAIS 2000 natural color, 1.64-ft pixel JP2 111.7 6 0.67
DAIS 2000 color infrared, 1.64-ft pixel JP2 111.7 6 0.67
Emerge 2000 natural color, 2-ft pixel JP2 110.2 52 5.73
Emerge 2000 color infrared, 2-ft pixel JP2 106.9 52 5.6
Ikonos 2000 natural color, 15-ft pixel JP2 197.9 51 10.1
Space Imaging 2000 natural color composite, 4-ft pixel JP2 29.9 87 2.52
2002 USGS natural color, 1-ft pixel SID 409.4 36 14.74
2002 King County natural color 1-ft pixel SID 460.0 87 31.3
2005 City of Seattle 0.5-ft pixel SID 1986.0 8 11.3
2005 Aerials Express 1-ft pixel SID 480 78 31.5
2007 King County 1-ft and 0.5-ft pixel SID 820 (15x) 87 56.6
2009 King County 1-ft and 0.5-ft pixel SID 820 (15x) 87 56.6
Orthophoto Dataset   Zone
tile format		Avg Zone tile size (mb)
- 15x-20x compression		Zone tiles
available 		Data Set
size (gb)
Western King County 1936 panchromatic, 1-ft pixel SID 1100 (15x comp) NW,SW 2.17
City of Seattle 1993 panchromatic, 1-ft pixel JP2 158.5 NW,SW 0.31
NIES 1996 natural color, 3.28-ft pixel JP2 135.7 NW,SW,NE,SE 0.54
WA Dept of Natural Resources 1998 panchromatic, 3-ft pixel JP2 93.2 NW,SW,NE,SE 0.37
DAIS 2000 natural color, 1.64-ft pixel JP2 74.0 SW,NW 0.15
DAIS 2000 color infrared, 1.64-ft pixel JP2 89.0 SW,NW 0.17
Emerge 2000 natural color, 2-ft pixel SID 1.4 NW,SW,NE,SE 1.3
Emerge 2000 color infrared, 2-ft pixel SID 1.3 NW,SW,NE,SE 1.4
Ikonos 2000 natural color, 15-ft pixel JP2 11.0 NE,SE 0.022
Space Imaging 2000 natural color composite, 4-ft pixel JP2 175.7 NW,SW,NE,SE 0.7
2002 USGS natural color, 1-ft pixel SID 1545.0 NW,SW 3.09
2002 King County natural color 1-ft pixel SID 1.48 (40x comp) NW,SW,NE,SE 5.93
2005 City of Seattle 0.5-ft pixel SID 1.95 (35x comp) NW 1.95
2005 Aerials Express 1-ft pixel SID 1.31(35x comp) NW,SW,NE,SE 5.28
2007 King County 1-ft and 0.5-ft pixel SID 0.991 (30x comp, resampled to 2-ft) NW,SW,NE,SE 3.96
2009 King County 1-ft and 0.5-ft pixel SID 0.991 (30x comp, resampled to 2-ft) NW,SW,NE,SE 3.96
Orthophoto DatasetRegion mosaic
format		Approx. Compression
Level		Resampled
pixel size		Data Set
size (gb)
Western King County 1936 panchromatic, 1-ft pixel SID 30x No 1.08
City of Seattle 1993 panchromatic, 1-ft pixel JP2 70x No 0.116
NIES 1996 natural color, 3.28-ft pixel SID 15x No 1.31
WA Dept of Natural Resources 1998 panchromatic, 3-ft pixel SID 15x No 0.92
DAIS 2000 natural color, 1.64-ft pixel JP2 70x No 0.051
DAIS 2000 color infrared, 1.64-ft pixel JP2 70x No 0.051
Emerge 2000 natural color, 2-ft pixel SID 120x No 0.40
Emerge 2000 color infrared, 2-ft pixel SID 120x No 0.39
Ikonos 2000 natural color, 15-ft pixel SID 90x No 0.007
Space Imaging 2000 natural color composite, 4-ft pixel JP2 90x No 0.21
2002 USGS natural color, 1-ft pixel SID 40x No 2.0
2002 King County natural color 1-ft pixel SID 75x Yes, to 1.5ft 1.42
2005 City of Seattle 0.5-ft pixel SID 50x No 1.37
2005 Aerials Express 1-ft pixel SID 35x No 1.97
2007 King County 1-ft and 0.5-ft pixel, each as separate mosaic SID 50x Yes, 2-ft 1.66
2009 King County 1-ft and 0.5-ft pixel, each as separate mosaic SID 50x Yes, 2-ft 1.66