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Service Description: Aerial Photography SID file (Orthophoto) of Washington, DC at 3 inch resolution. Dated 2023. 2023 Orthophoto - 3 inch resolution: This document describes the processes used to create the orthoimagery data produced for the District of Columbia from 2023 digital aerial photography. It was flown on May 6 and 10, 2023. The aerial imagery acquisition was flown to support the creation of 4-band digital orthophotography with a 3 inch/0.08 meter pixel resolution over the full project area covering the District of Columbia which is approximately 69 square miles. The contractor received waivers to fly in the Flight Restricted Zone (FRZ) and P-56 areas. The ortho imagery was submitted to DC OCTO in GeoTiff/TFW format tiles following the tile scheme provided by OCTO. MrSID and JPEG2000 compressed mosaics were delivered as well using a 50:1 compression ratio.

Map Name: DC_Aerial_Photo

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All Layers and Tables

Layers:

• Ortho 2023 (0)

Description:

Copyright Text:

Spatial Reference: 26985  (26985)


Single Fused Map Cache: true

Tile Info:

• Height: 512
• Width: 512
• DPI: 120
• Levels of Detail: 12
  • Level ID: 0 [ Start Tile, End Tile ]
  • Resolution: 63.50012700025401
  • Scale: 300000
  • Level ID: 1 [ Start Tile, End Tile ]
  • Resolution: 42.33341800016934
  • Scale: 200000
  • Level ID: 2 [ Start Tile, End Tile ]
  • Resolution: 21.16670900008467
  • Scale: 100000
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  • Scale: 50000
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  • Scale: 25000
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  • Scale: 12000
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  • Resolution: 1.27000254000508
  • Scale: 6000
  • Level ID: 7 [ Start Tile, End Tile ]
  • Resolution: 0.63500127000254
  • Scale: 3000
  • Level ID: 8 [ Start Tile, End Tile ]
  • Resolution: 0.31750063500127
  • Scale: 1500
  • Level ID: 9 [ Start Tile, End Tile ]
  • Resolution: 0.21166709000084669
  • Scale: 1000
  • Level ID: 10 [ Start Tile, End Tile ]
  • Resolution: 0.10583354500042334
  • Scale: 500
  • Level ID: 11 [ Start Tile, End Tile ]
  • Resolution: 0.05291677250021167
  • Scale: 250
• Format: MIXED
• Compression Quality: 75.0
• Origin: X: 379605.402
  Y: 148256.304
  
• Spatial Reference: 26985  (26985)
  

Storage Info:

• Storage Format: esriMapCacheStorageModeCompactV2
• Packet Size: 128

Initial Extent:

XMin: 375828.5609976797
YMin: 119424.72161207144
XMax: 422171.4390023203
YMax: 152975.27838792856
Spatial Reference: 26985  (26985)

Full Extent:

XMin: 389400
YMin: 124200
XMax: 408600
YMax: 148200
Spatial Reference: 26985  (26985)

Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info:

Title: Map
Author:
Comments:
Subject:
Category:
Keywords: dc,aerial,ortho,photo,washington
AntialiasingMode: Fast
TextAntialiasingMode: Force

Supports Dynamic Layers: false

Resampling: false

MaxRecordCount: 2000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 300000

Max Scale: 250

Supports Datum Transformation: true



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