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State of Maine, Office of Information Technology
207.266.7087
SHS145, 51 Commerce Street
Augusta
ME
04333-145
US
20200109
ArcGIS Metadata
1.0
Orthophotos2019
2019-11-22
STATE OF MAINE, OFFICE OF INFORMATION TECHNOLOGY
<div style='text-align:Left;'><div><p><span>Maine Statewide Orthoimagery Project - All imagery was collected during the 2019 Spring flying season during leaf-off conditions for deciduous vegetation in the State of Maine. The sun angle was at 30-degrees or greater, and streams were within their normal banks. During the flight planning and acquisition, a significant effort was made to limit clouds, snow, fog, haze, smoke, or other ground obscuring conditions in the imagery. In no case does the maximum cloud cover exceed 5% per image. Within the immediate areas of power plants, factories, or controlled agricultural burns some steam or smoke and/or shadows may be visible on imagery. Deliverables are: • One hard copy and one digital copy of the Project plan • One hard copy and one digital copy of the Flight Plan/Control Diagram/Sheet Index • One hard copy and one digital copy of the Survey Report • One hard copy and one digital copy of the Aerial Photography Report • One hard copy and one digital copy of the Aerial Triangulation Report • One digital copy of each 4-Band Digital orthoimagery files in GeoTIFF format with TFW “world file”, delivered on external USB hard drive • FGDC complaint Metadata delivered (along with the orthoimagery) on external hard drive Additional deliverables include three MrSID (Multi resolution Seamless Image Database) files covering Biddeford, Freeport, and Thomaston area at an 18:1 compression ratio.</span></p></div></div>
The Maine GeoLibrary Board (MEGIS) has developed a statewide, 5-year, rotating orthoimagery acquisition program for Maine to facilitate state, regional and local government GIS base mapping in an efficient and cost-effective program. The State of Maine will use digital orthoimagery for the development of various base map products in a computerized GIS that will support the needs of the state and multiple stakeholders through applications, such as, multi-jurisdictional homeland security mapping applications, state and county emergency management applications, regional and local planning, state and local public safety applications, economic development and other GIS business objectives.
State of Maine, Office of Information Technology
207.266.7087
SHS145, 51 Commerce Street
Augusta
ME
04333-145
US
Raster
Orthophoto
Raster
Orthophoto
Imagery
<div style='text-align:Left;'><div><p><span>None. However, users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of its limitations. Acknowledgement of the U.S. Geological Survey would be appreciated for products derived from these data. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived. It is the responsibility of the data user to use the data appropriately and within the limitations of the data for which it was requested and prepared, in general, and these data in particular. The related graphics are intended to aid the data user in acquiring relevant data. It is not appropriate to use the related graphics as data. Woolpert gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of these data. It is strongly recommended that these data are directly acquired from a Woolpert server, and not indirectly through other sources which may have changed the data in some way. Although these data have been processed successfully upon Woolpert’s computer system, no warranty, expressed or implied, is made regarding the utility of the data on another system, or for general or scientific purposes; nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data.</span></p></div></div>
No restrictions apply to this data.
Esri ArcGIS 12.4.2.19948
true
-69.224758
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44.884546
44.057075
ground condition
2019-05-06
2019-05-08
2019-05-09
1
-68.859229
-68.716761
44.884281
44.772938
City of Bangor, Maine GeoLibrary
Digital imagery was flown within prescribed parameters having proper orientation and the highest radiometric quality.
All digital imagery are visually inspected for completeness to ensure that no gaps or image misplacements exist within and between adjacent images.
The imagery was acquired using Leica ADS100 (Airborne Digital Sensor). The Leica ADS100 series records all objects, with equal resolution as a 12-bit image, viewing angles in RGB and FCIR images. These views are below the aircraft at nadir, and simultaneously ranging between 26 degrees forward and 19 degrees backward.
Leica GeoSystem’s XPro software program was used to perform image processing and aerial triangulation. This package provides the capability to perform digital image processing, aerial triangulation and image rectification. Image mosaicking and final tiling was performed using OrthoVista software.
2018-05-11
Woolpert, Inc.
Geospatial Services
(937) 461-5660
(937) 461-0743
4454 Idea Center Blvd.
Dayton
OH
45430
US
8:00 a.m. to 5:00 p.m. Eastern Time
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