E-Terra - Digital Globe Products

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E-Terra, LLC.
Corporate Headquarters
800 E. Dimond Blvd.
Suite 3-650
Anchorage, Alaska 99515
Phone: (907)562-1500
Toll-free: (866)562-1500
Company Profile

Standard Imagery

DigitalGlobe's Orthorectified Imagery products are designed for users who require an imagery product that is GIS-ready or for users that require a high degree of absolute geometric accuracy for analytical applications.


	2.8-meter multispectral image Four bands: Blue, Green, Red, and Near-Infrared See Large Version


	70-centimeter natural color image Three bands: Blue, Green, and Red See Large Version

Features and Benefits

System Features	System Benefits
Highest degree of cartographic accuracy from commercial satellite imagery sources 1:50,000 Worldwide, 15.4-m RMSE. 1:12,000 in U.S. and Canada, 6.2-m RMSE. 1:5,000 Worldwide, 2.6-m RMSE. 1:4,800 in U.S. and Canada, 2.5-m RMSE.	Extract thematic information that is geopositionally accurate to the same level as the basemap
Highest resolution available from a commercial imaging satellite 60-cm (2-ft) or 70-cm (2.3-ft) panchromatic 70-cm (2.3-ft) natural color, color infrared, or 4-band pan sharpened 2.4-m (8-ft) or 2.8-m (9.2-ft) multispectral	Identify features, classify image data, and detect changes from recent global imagery at the highest resolution available from a commercial imaging satellite
Largest image swath collection size 16.5-km (10.25-mi) width at nadir	Map large areas faster with fewer files to manage, process, and mosaic
Superior image classification and analysis 11-bit digitization (up to 2048 levels of gray scale) Discrete non-overlapping spectral bands	Improve feature classification and identification in dark or bright areas such as building shadows or snow and perform more flexible image enhancement
Open systems Partnered with commercial software providers Popular image file formats	Get your project up and running quickly and easily based on standard map projections and formats

Specifications

Spatial and Spectral Resolution
		Panchromatic	Multispectral
Product Type	Pixel Resolution	Black & White 450 to 900-nm	Blue 450 to 520-nm	Green 520 to 600-nm	Red 630 to 690-nm	Near IR 760 to 900-nm
Panchromatic	60-cm (2-ft) or 70-cm (2.3-ft)	X
Multispectral¹	2.4-m (8-ft) or 2.8-m (9.2-ft)		X	X	X	X
Natural Color	60-cm (2-ft) or 70-cm (2.3-ft)	X	X	X	X
Color Infrared	60-cm (2-ft) or 70-cm (2.3-ft)	X		X	X	X
Pan sharpened (4-band)	60-cm (2-ft) or 70-cm (2.3-ft)	X	X	X	X	X

Image Accuracy
Orthorectified Product Levels	CE 90%	RMSE	Geographic Availability
1:50,000²	25.4-m (83.3-ft)	15.4-m (50.5-ft)	Worldwide
1:12,000²	10.2-m (33.5-ft)	6.2-m (20.3-ft)	USA and Canada
1:5,000²	4.23-m (13.9-ft)	2.6-m (8.4-ft)	Worldwide
1:4,800²	4.06-m (13.3-ft)	2.5-m (8.1-ft)	USA and Canada
Custom³	Variable	Variable	Worldwide

Processing
Applied Corrections	Radiometric, sensor, and geometric corrections Mapped to a cartographic projection

Order Parameters
Product Type	Panchromatic, multispectral, both, color infrared, and natural color
Image Bits/Pixel	8 or 16 bits
File Formats	GeoTIFF 1.0, NITF 2.1 or NITF 2.0

1 - All four bands delivered in a single file
2 - Delivery times and product availability dependent on the availability of adequate GCPs and DEMs
3 - Customer supplies GCPs and DEMs

Deliverables

Orthorectified Imagery can be acquired directly from the DigitalGlobe Archive or you can submit a new collection request. Orthorectified Imagery is ordered by area, with a minimum purchase of 100-km² (~39-mi²) for all ortho scales, maximum of 10,000-km² (3860-mi²) per order. Products are delivered on your choice of standard digital media with Image Support Data files including image metadata.

Other Digitial Globe products:

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