Metadata for Montana 2005/2006 Color-Infrared Aerial Photo Web Service Metadata for Montana 2005/2006 Color-Infrared Aerial Photo Web Service

Download full XML Metadata

Identification Information:

Citation:

Originator:

U.S. Department of Agriculture, Farm Services Agency (FSA), USDA Aerial Photography Field Office (APFO)

Publication date: 2007

Title: Montana 2005/2006 Color-Infrared Aerial Photo Web Service

Publication place: Helena, MT
Publisher: Montana State Library

Online linkage: https://gisservicemt.gov/arcgis/rest/services/MSDI_Framework/NAIP_2005CIR/ImageServer

Larger Work Citation:

Title: Montana 2005 Color NAIP Orthophotos
Online linkage: http://mslapps.mt.gov/Geographic_Information/Data/DataList/datalist_Details.aspx?did={1d1e52f1-0cfa-47bb-9674-570cf5cfaa19}

Browse graphic file name: http://docs.msl.mt.gov/geoinfo/images/metadata/2005_colorIR.jpg

Abstract:

This is an ArcGIS Server Image Service that provides a three-band false color infrared image of the 2005/2006 National Agricultural Imagery Program (NAIP) orthorectified digital aerial photos of Montana.

Services available include: ArcGIS Server Image services, Open Geospatial Consortium, Inc. (OGC) web coverage services (WCS), and OGC web map services (WMS). The image and web coverage services provide users direct access to the native GeoTIFF files and pixel data for geoprocessing and image analysis. The original GeoTIFF files are available by request from the State Library.

Connection URLs for OGC services:
WCS: https://gisservicemt.gov/arcgis/rest/services/MSDI_Framework/NAIP_2005CIR/ImageServer/WCSServer
WMS: https://gisservicemt.gov/arcgis/rest/services/MSDI_Framework/NAIP_2005CIR/ImageServer/WMSServer

The 1 meter ground sample distance ortho images were rectified to a horizontal accuracy of within /- 5 meters of reference digital ortho quarter quads (DOQQs) from the National Digital Ortho Program (NDOP).

This service is based on 3,977 false color infrared (IR) digital orthorectified photo images of Montana. Each image covers an area of 100 square kilometers (39 square miles) and is approximately 286 megabytes in size. The majority of images were acquired in summer 2005 and the remainder were acquired during summer 2006. The 2006 imagery roughly covers the following counties: Sheridan, Roosevelt, Richland, Dawson, Wibaux, Gallatin, Park, Sweet Grass, Prairie, Custer, Daniels, Fallon, Powder River, Carter, and Broadwater. There is also 2006 data in parts of Rosebud, Big Horn, Carbon, Madison, Meahger, Lewis and Clark, Judith Basin, Valley, McCone and Wheatland Counties.

The 2005 aerial photos were collected coincidently with the natural color NAIP images acquired by the Farm Services Agency in support of planning and delivery of USDA programs.

A shapefile showing the extent of each image file and the file names is available at https://ftpgeoinfo.msl.mt.gov/Data/Spatial/MSDI/Imagery/2005_NAIP/Color_IR_2005_Index.zip. This layer also contains a year field to show which images contain 2005 vs 2006 data. Dates of the 2006 images are not known.

The image dates for 2005 imagery are given in a shapefile at https://ftpgeoinfo.msl.mt.gov/Data/Spatial/MSDI/Imagery/2005_NAIP/naip_2005_color_dates.zip.

Please see http://geoinfo.msl.mt.gov/data/Aerial_Photos/NAIP_2005 for more information on NAIP 2005 and infrared 2006 data from the State Library.

Time period of content:

Beginning date: 2005
Ending date: 2006
Currentness reference: ground condition

Status:

Progress: Complete
Maintenance and update frequency: Irregular

Access constraints: None

Use constraints:

The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time.

Point of contact:

Montana State Library
PO Box 201800
Helena, MT 59620-1800
Telephone: 406-444-5354
E-Mail: geoinfo@mt.gov

Data Quality Information:

Completeness report:

There are small areas along the U.S.-Canada border that are not contained in this dataset.

Horizontal Positional Accuracy Report:

Accuracy is compliant with FSA Digital Orthophoto Specifications. This accuracy standard for the 1-meter orthorectified images requires that 90% of all well-defined points tested must fall within five (5) meters of the same location identified on Government furnished baseline orthophoto control imagery.

Lineage:

Source information:

Originator:: USDA-Farm Services Agency and Aerial Photography Field Office
Publication date: 2007
Title: NAIP
Source scale denominator: 40000
Source contribution: Imagery Source
Beginning date: 2005
Ending date: 2006

Source information:

Originator: NorthWest Geomatics, Inc.
Publication date: Unpublished Material
Title: Control Input
Source contribution:: Control used to establish ground positions for reference and correlation purposes and as input into the rectification process.
Beginning date: 2005
Ending date: 2006

Process step:

Imagery was flown with Leica ADS40 digital sensors to capture 0.9m raw data. Raw data is then downloaded using Leica GPro software into 12 bit TIFF format. The raw TIFF imagery is then georeferenced and reprojected using GPS/INS 200Hz exterior orientation information (x/y/z/o/p/k) to allow stereo viewable imagery. This stereo viewable imagery is processed with the GPro/LPS automatic point matching algorithm to determine common match points every 2000 pixels across the imagery strip and 333 pixels along strip. This pattern includes dual rows of line ties to the adjacent line of imagery. The resulting point data is imported in Leica ORIMA and used to perform a full bundle adjustment of the imagery point data. Any blunders are removed, and weak areas are manually supplemented to ensure good coverage of points. Once the point data is cleaned and point coverage is acceptable vertical control points from the prior generation MDOQQ's are introduced in the corners and center of the block being adjusted. This control is used to perform any datum shift (x/y/z and rotation) to ensure the new adjusted imagery fits the existing MDOQQ reference imagery. The output from this bundle adjustment process is revised exterior orientation data for the sensor with any GPS/INS, datum, and sensor calibration errors modeled and compensated for. Using this revised EO data orthorectified image strips are created using the USGS DEM. The 10m DEM is used where available and 30m DEM is used elsewhere. The orthorectified strips are overlaid over the existing MDOQQ compressed files to ensure accuracy is met by a visual inspection and manually measuring features. Once the accuracy of the orthorectified image strips are validated the strips are processed with a NWG proprietary dodging package that compensates for the bi-directional reflectance function that is caused by the sun's position relative to the image area. This compensated imagery is then imported into Inpho's OrthoVista 4.0 package which is used for the final radiometric balance, mosaic, and tile creation. These final tiles have no buffer and are inspected to ensure all tiles are present and the radiometric quality of the area looks good.

Process date: 03/16/2006

Process contact:

Contractor for FSA
NorthWest Geomatics, Inc.

Spatial Reference Information:

Horizontal coordinate system definition:

Grid coordinate system name: State Plane Coordinate System 1983

SPCS zone identifier: 2500

Lambert conformal conic:

Standard parallel: 45
Standard parallel: 49
Longitude of central meridian: -109.5
Latitude of projection origin: 44.25
False easting: 600000.0
False northing: 0.0

Planar distance units: meters

Geodetic model:

Horizontal datum name: North American Datum of 1983
Ellipsoid name: Geodetic Reference System 80
Semi-major axis: 6378137
Denominator of flattening ratio: 298.257

Distribution Information:

Distributor:

Montana State Library
PO Box 201800
Helena, MT 59620-1800
Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov

Resource description: Live Data and Maps

Distribution liability:

Standard order process:

Digital form:

Format name: GeoTIFF

Ordering instructions:

Contact the Montana State Library to request copies of the images. You will be asked to send a storage device of sufficient capacity to hold the images you want for us to copy the data to. To see the area covered by each image and the image dates, see the shapefile at https://ftpgeoinfo.msl.mt.gov/Data/Spatial/MSDI/Imagery/2005_NAIP/Color_IR_2005_Index.zip.

Metadata Reference Information:

Metadata date: 03/08/2016

Metadata contact:

Montana State Library
P.O. Box 201800
Helena, Montana 59620-1800
Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov