Massachusetts 1:10,000 Coastal Color Orthophoto Images (1994) - MrSID Format
MassGIS

coq_coastal_1m_sid (400 files)
1c225822.zip 1.23MB
1c225826.zip 1.65MB
1c225830.zip 1.64MB
1c229822.zip 1.41MB
1c229826.zip 2.16MB
1c229830.zip 2.45MB
1c233802.zip 942.26kB
1c233806.zip 1.81MB
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1c237802.zip 2.67MB
1c237806.zip 2.34MB
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1c237814.zip 2.42MB
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1c237826.zip 833.73kB
1c237830.zip 1.67MB
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1c237842.zip 2.50MB
1c237846.zip 929.04kB
1c237886.zip 1.16MB
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1c237894.zip 2.17MB
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1c237902.zip 1.97MB
1c237906.zip 2.01MB
1c241802.zip 2.21MB
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1c241886.zip 1.29MB
1c241890.zip 2.31MB
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1c241902.zip 2.38MB
1c241906.zip 2.52MB
1c241910.zip 1.14MB
1c245806.zip 2.27MB
1c245810.zip 2.42MB
1c245814.zip 1.45MB
1c245818.zip 1.48MB
1c245822.zip 1.65MB
1c245882.zip 773.33kB
1c245886.zip 1.99MB
1c245890.zip 2.32MB
1c245894.zip 2.27MB
1c245898.zip 2.20MB
1c245902.zip 2.25MB
1c245906.zip 2.13MB
1c245910.zip 2.37MB
1c245914.zip 2.34MB
1c245918.zip 2.24MB
1c245922.zip 1.70MB
1c249794.zip 2.42MB
1c249798.zip 2.47MB
1c249806.zip 2.21MB
1c249810.zip 2.17MB
1c249814.zip 2.19MB
1c249818.zip 2.50MB
1c249822.zip 2.47MB
1c249878.zip 742.19kB
1c249882.zip 2.23MB
1c249886.zip 2.46MB
1c249890.zip 2.35MB
1c249894.zip 2.25MB
1c249898.zip 1.99MB
1c249902.zip 1.39MB
1c249906.zip 2.32MB
1c249910.zip 1.99MB
1c249914.zip 2.39MB
1c249918.zip 2.39MB
1c249922.zip 2.23MB
1c249926.zip 790.56kB
1c249942.zip 1.08MB
1c249946.zip 1.82MB
1c249950.zip 2.25MB
1c249954.zip 1.85MB
1c253794.zip 2.60MB
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1c253814.zip 2.09MB
1c253818.zip 2.13MB
1c253822.zip 1.58MB
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1c253886.zip 2.23MB
1c253890.zip 2.16MB
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1c253898.zip 1.58MB
1c253906.zip 1.10MB
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1c253918.zip 2.07MB
1c253922.zip 2.37MB
1c253926.zip 1.88MB
1c253930.zip 988.41kB
1c253934.zip 1.75MB
1c253938.zip 2.34MB
1c253942.zip 2.40MB
1c253946.zip 2.49MB
1c253950.zip 2.27MB
1c253954.zip 2.40MB
1c253958.zip 1.30MB
1c257786.zip 1.29MB
1c257794.zip 1.77MB
1c257798.zip 2.60MB
1c257802.zip 1.37MB
1c257814.zip 2.26MB
1c257818.zip 2.21MB
1c257822.zip 1.57MB
1c257886.zip 2.31MB
1c257890.zip 2.39MB
1c257914.zip 2.21MB
1c257918.zip 2.48MB
1c257922.zip 2.46MB
1c257926.zip 2.52MB
1c257930.zip 2.62MB
1c257934.zip 2.45MB
1c257938.zip 2.60MB
1c257942.zip 2.34MB
1c257946.zip 2.58MB
1c257950.zip 2.34MB
1c257954.zip 2.17MB
1c257958.zip 1.34MB
1c261782.zip 1.29MB
1c261786.zip 1.36MB
1c261798.zip 2.50MB
1c261802.zip 2.00MB
1c261814.zip 1.37MB
1c261818.zip 2.19MB
1c261822.zip 1.73MB
1c261826.zip 1.00MB
1c261830.zip 233.07kB
1c261870.zip 482.05kB
1c261874.zip 2.05MB
1c261878.zip 2.16MB
1c261882.zip 2.03MB
1c261886.zip 2.31MB
1c261890.zip 936.10kB
1c261914.zip 965.28kB
1c261918.zip 2.20MB
1c261922.zip 2.23MB
1c261926.zip 2.59MB
1c261930.zip 2.62MB
1c261934.zip 2.52MB
1c261938.zip 2.30MB
1c261942.zip 2.37MB
1c261946.zip 2.32MB
1c265782.zip 871.58kB
1c265786.zip 1.35MB
1c265790.zip 1.31MB
1c265794.zip 994.31kB
1c265798.zip 1.19MB
1c265802.zip 2.32MB
1c265806.zip 2.59MB
1c265818.zip 1.25MB
1c265822.zip 2.26MB
1c265826.zip 2.30MB
1c265830.zip 1.76MB
1c265862.zip 1.08MB
1c265866.zip 2.08MB
1c265870.zip 2.16MB
1c265874.zip 2.42MB
1c265878.zip 2.28MB
1c265882.zip 2.23MB
1c265886.zip 849.14kB
1c265922.zip 2.14MB
1c265926.zip 2.62MB
1c265930.zip 2.68MB
1c265934.zip 1.98MB
1c265938.zip 972.26kB
1c269786.zip 1.28MB
1c269790.zip 1.44MB
1c269794.zip 1.39MB
1c269798.zip 1.02MB
1c269802.zip 1.29MB
1c269806.zip 2.45MB
1c269810.zip 1.97MB
1c269822.zip 1.69MB
1c269826.zip 2.41MB
1c269830.zip 2.27MB
1c269834.zip 1.61MB
1c269854.zip 615.61kB
1c269858.zip 1.54MB
1c269862.zip 2.40MB
1c269866.zip 2.46MB
1c269870.zip 2.46MB
1c269874.zip 2.18MB
1c269878.zip 1.99MB
1c269882.zip 1.68MB
1c269922.zip 2.12MB
1c269926.zip 2.13MB
1c269930.zip 2.35MB
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Type: Dataset
Tags:MassGIS, orthophotographs

Bibtex:
@article{,
title = {Massachusetts 1:10,000 Coastal Color Orthophoto Images (1994) - MrSID Format},
journal = {},
author = {MassGIS},
year = {},
url = {},
abstract = {Overview

These color coastal orthophotographs were generated through a cooperative effort between the Massachusetts Coastal Zone Management Office, the NOAA Photogrammetry Division and the National Geodetic Survey. The data covers most of the coastal zone region. Digital orthophoto production was provided by Photo Science Inc. of Gaithersburg Maryland. The data set is tiled identically to the MassGIS black and white orthophotos for both the mainland and island regions (398 images; see the Coastal Color Orthophotos Index datalayer description). Additionally, one more image was created for Noman's Land and is not based on the same index.
 Needs Title-coqimg
Click to see the full size image.
Methodology

The color aerial photography was captured in September and October of 1994 by the Photogrammetry Division of NOAA. The scale of the original photography is 1:48,000. Differential airborne GPS was used for control. Approximately 31 flight lines were conducted, with the orientation of the flight lines designed to cover the maximum area of shoreline. Approximately 360 were captured. Approximately 16 ground panels were placed in the field and surveyed.

Aerotriangulation was conducted by the Photogrammetry Division utilizing analytical stereo plotters. The control was processed using 3 block areas: A) North of Boston, B) Boston south including the Elizabeth Islands, and C) Martha?s Vineyard with Nantucket. Control was developed to provide an accuracy that exceeds NMAS of 1:10,000. In large portions of the area, control exceeds the NMAS for 1:7,000.

Diapositives were scanned for a final output resolution of 1.0 meter. Scanning was done to match the diapositives as closely as possible. Bulk radiometric adjustments of the imagery was conducted using Adobe Photoshop "auto levels" to remove the green haze and to stretch the contrast.

Mass point and breakline elevations were created and used in the production. Only mass point elevations are available for the area. Elevation data was developed primarily for the purpose of orthorectification, and not for detailed contouring. Images for Martha's Vineyard and Nantucket were originally georeferenced to the Massachusetts State Plane Island Zone coordinate system, but have been projected in ArcInfo to the Mainland Zone for consistency with other MassGIS data layers. These mainland-zone images for the islands became available in June 2001; the images for all other areas were released in February, 1998.

The original one-meter images are 48 MB per tile. Two-meter versions of the images, resampled in ArcInfo, are 12 MB each. The tiles are in TIFF format and are accompanied by .tfw header files for georeferencing in GIS software. In addition, versions of the one-meter images in the MrSID format have been created at 30:1 compression with 8 zoom levels. These are available with .sdw header files as individual MrSID images as well as one single mosaic comprising the entire coastline, including Martha's Vineyard and Nantucket. The one-meter SIDs may be downloaded or ordered on DVD (from the Digital Data Products section of the order form). The MrSID mosaic may be purchased on DVD because of file size considerations.}
}


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