Imagery/swfwmd_1984_NHAP_CIR (ImageServer)

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Service Description: The National High Altitude Photography (NHAP) program, which was operated from 1980-1989, was coordinated by the U.S. Geological Survey as an interagency project to eliminate duplicate photography in various Government programs. The aim of the program was to cover the 48 conterminous states over a 5-year span. In the NHAP program, color-infrared aerial photographs were obtained on 9-inch film from an altitude of 40,000 feet above mean terrain elevation and are centered over USGS 7.5-minute quadrangles. The color-infrared photographs are at a scale of 1:58,000 (1 inch equals about .9 miles). The NHAP program was designed to reduce Federal costs, eliminate duplication of effort, and to obtain complete, uniform coverage of the conterminous 48 states of the USA over a 5-year cycle. In 1987 the program name was changed to the National Aerial Photography Program (NAPP) in recognition of modifications in the user requirements and flight specifications. The projected coordinate system is UTM zone 17 N, NAD 83 HARN, GRS 80, Units Meters. All of the images have a 1.5 meter pixel resolution. Most of the aerial have been orthorectified, although there are numerous images that were georeferenced.

Name: Imagery/swfwmd_1984_NHAP_CIR

Description: The National High Altitude Photography (NHAP) program, which was operated from 1980-1989, was coordinated by the U.S. Geological Survey as an interagency project to eliminate duplicate photography in various Government programs. The aim of the program was to cover the 48 conterminous states over a 5-year span. In the NHAP program, color-infrared aerial photographs were obtained on 9-inch film from an altitude of 40,000 feet above mean terrain elevation and are centered over USGS 7.5-minute quadrangles. The color-infrared photographs are at a scale of 1:58,000 (1 inch equals about .9 miles). The NHAP program was designed to reduce Federal costs, eliminate duplication of effort, and to obtain complete, uniform coverage of the conterminous 48 states of the USA over a 5-year cycle. In 1987 the program name was changed to the National Aerial Photography Program (NAPP) in recognition of modifications in the user requirements and flight specifications. The projected coordinate system is UTM zone 17 N, NAD 83 HARN, GRS 80, Units Meters. All of the images have a 1.5 meter pixel resolution. Most of the aerial have been orthorectified, although there are numerous images that were georeferenced.

Single Fused Map Cache: false

Extent:

Initial Extent:

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Pixel Size X: 4.515253436666642

Pixel Size Y: 4.515253436666642

Band Count: 3

Pixel Type: U8

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Mensuration Capabilities: Basic

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Max Scale: 0

Copyright Text: Southwest Florida Water Management District

Service Data Type: esriImageServiceDataTypeRGB

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Default Mosaic Method: Northwest

Allowed Mosaic Methods: NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,Seamline,None

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Default Compression Quality: 75

Default Resampling Method: Bilinear

Max Record Count: 1000

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: 20

Max Mosaic Image Count: 20

Allow Raster Function: true

Allow Copy: null

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Allow Compute TiePoints: false

Supports Statistics: true

Supports Advanced Queries: true

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Edit Fields Info: null

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Child Resources: Info Histograms Key Properties Legend Raster Function Infos

Supported Operations: Export Image Query Identify Measure Compute Histograms Compute Statistics Histograms Get Samples Compute Class Statistics Query Boundary Compute Pixel Location Validate Project