Massachusetts USGS 30cm Color Ortho Imagery (2013) - JPEG2000 Format
MassGIS

coq2013_30cm_jp2 (5132 files)
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Type: Dataset
Tags: MassGIS

Bibtex:
@article{,
title = {Massachusetts USGS 30cm Color Ortho Imagery (2013) - JPEG2000 Format},
journal = {},
author = {MassGIS },
year = {2013},
url = {http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/datalayers/colororthos2013.html},
abstract = {In spring 2013, the U.S. Geological Survey contracted for true-color imagery covering three urban areas in Massachusetts as defined by the USGS. Those areas are the metropolitan Boston area (and beyond), the greater Worcester area, and the greater Springfield area. Image type for all of the areas is 24 bit, 4-band (red, green, blue, and near-infrared RGBN) portions of the spectrum. Each band has pixel values ranging 0-255. Pixel resolution is 0.3 meters (30 centimeters), or approximately one foot.

This digital orthoimagery can serve a variety of purposes, from general planning, to field reference for spatial analysis, to a tool for data development and revision of vector maps. It can also serve as a reference layer or basemap for myriad applications inside geographic information system (GIS) software.

It was created to provide easily accessible geospatial data which is readily available to enhance the capability of Federal, State, and local emergency responders, as well as plan for homeland security efforts. These data also support The National Map.

Aerial Acquisition

The raw ADS80 image data were collected by Fugro EarthData, Inc. at about 2,896 meters above mean terrain during mid to late April 2013. The source imagery is cloud free, and was acquired in generally leaf-off conditions.


Images are available for download in the JPEG2000 format, at a 20:1 compression ratio, 4 bands (RGBN), as 1,500 meters × 1,500 meters tiles.

}
}

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