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Service Description: USGS Imagery Topo is a tile cache base map of orthoimagery in The National Map and US Topo vector data visible to the 1:9,028 scale. Orthoimagery data are typically high resolution images that combine the visual attributes of an aerial photograph with the spatial accuracy and reliability of a planimetric map. USGS digital orthoimage resolution may vary from 6 inches to 1 meter. In the former resolution, every pixel in an orthoimage covers a six inch square of the earth's surface, while in the latter resolution, one meter square is represented by each pixel. Blue Marble: Next Generation source is displayed at small to medium scales. However, the majority of the imagery service source is from the National Agriculture Imagery Program (NAIP) for the conterminous United States. The data is 1-meter pixel resolution with leaf-on. Collection of NAIP imagery is administered by the U.S. Department of Agriculture's Farm Service Agency (FSA). In areas where NAIP data is not available, other imagery may be acquired through partnerships by the USGS. The National Map program is working on acquisition of high resolution orthoimagery (HRO) for Alaska. Most of the new Alaska imagery data will not be available in this service due to license restrictions. The National Map viewer allows free downloads of public domain, 1-meter resolution orthoimagery in JPEG 2000 (jp2) format for the conterminous United States.
Map Name: USGSImageryTopo
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Layers:
Description: USGS Imagery Topo is a tile cache base map of orthoimagery in The National Map and US Topo vector data visible to the 1:9,028 scale. Orthoimagery data are typically high resolution images that combine the visual attributes of an aerial photograph with the spatial accuracy and reliability of a planimetric map. USGS digital orthoimage resolution may vary from 6 inches to 1 meter. In the former resolution, every pixel in an orthoimage covers a six inch square of the earth's surface, while in the latter resolution, one meter square is represented by each pixel. Blue Marble: Next Generation source is displayed at small to medium scales. However, the majority of the imagery service source is from the National Agriculture Imagery Program (NAIP) for the conterminous United States. The data is 1-meter pixel resolution with leaf-on. Collection of NAIP imagery is administered by the U.S. Department of Agriculture's Farm Service Agency (FSA). In areas where NAIP data is not available, other imagery may be acquired through partnerships by the USGS. The National Map program is working on acquisition of high resolution orthoimagery (HRO) for Alaska. Most of the new Alaska imagery data will not be available in this service due to license restrictions. The National Map viewer allows free downloads of public domain, 1-meter resolution orthoimagery in JPEG 2000 (jp2) format for the conterminous United States.
Copyright Text: USGS The National Map: Orthoimagery and US Topo. Data refreshed February, 2025.
Spatial Reference:
102100
(3857)
Single Fused Map Cache: true
Tile Info:
- Height: 256
- Width: 256
- DPI: 96
-
Levels of Detail: 24
-
Level ID: 0
[ Start Tile, End Tile ]
- Resolution: 156543.03392800014
- Scale: 5.91657527591555E8
-
Level ID: 1
[ Start Tile, End Tile ]
- Resolution: 78271.51696399994
- Scale: 2.95828763795777E8
-
Level ID: 2
[ Start Tile, End Tile ]
- Resolution: 39135.75848200009
- Scale: 1.47914381897889E8
-
Level ID: 3
[ Start Tile, End Tile ]
- Resolution: 19567.87924099992
- Scale: 7.3957190948944E7
-
Level ID: 4
[ Start Tile, End Tile ]
- Resolution: 9783.93962049996
- Scale: 3.6978595474472E7
-
Level ID: 5
[ Start Tile, End Tile ]
- Resolution: 4891.96981024998
- Scale: 1.8489297737236E7
- Format: MIXED
- Compression Quality: 85.0
- Origin: X: -2.0037508342787E7
Y: 2.0037508342787E7
- Spatial Reference: 102100
(3857)
Storage Info:
- Storage Format: esriMapCacheStorageModeCompactV2
- Packet Size: 128
Initial Extent:
XMin: -1.5112104852260362E7
YMin: 2148194.8024219386
XMax: -5929009.562992857
YMax: 6804870.782440567
Spatial Reference: 102100
Full Extent:
XMin: -2.00375070738129E7
YMin: -3.0240971943167165E7
XMax: 2.003750706155618E7
YMax: 3.0240972179360494E7
Spatial Reference: 102100
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: USGSImageryTopo
Author:
Comments: USGS Imagery Topo is a tile cache base map of orthoimagery in The National Map and US Topo vector data visible to the 1:9,028 scale. Orthoimagery data are typically high resolution images that combine the visual attributes of an aerial photograph with the spatial accuracy and reliability of a planimetric map. USGS digital orthoimage resolution may vary from 6 inches to 1 meter. In the former resolution, every pixel in an orthoimage covers a six inch square of the earth's surface, while in the latter resolution, one meter square is represented by each pixel. Blue Marble: Next Generation source is displayed at small to medium scales. However, the majority of the imagery service source is from the National Agriculture Imagery Program (NAIP) for the conterminous United States. The data is 1-meter pixel resolution with "leaf-on". Collection of NAIP imagery is administered by the U.S. Department of Agriculture's Farm Service Agency (FSA). In areas where NAIP data is not available, other imagery may be acquired through partnerships by the USGS. The National Map program is working on acquisition of high resolution orthoimagery (HRO) for Alaska. Most of the new Alaska imagery data will not be available in this service due to license restrictions. The National Map viewer allows free downloads of public domain, 1-meter resolution orthoimagery in JPEG 2000 (jp2) format for the conterminous United States.
Subject: USGS Imagery Topo is a tile cache base map of orthoimagery in The National Map and US Topo vectors visible to the 1:9,028 scale.
Category:
Keywords: ngda,base map,elevation,shaded relief,contour,hydrography,water,governmental unit,boundary,administrative,geographic name,land cover,structure,transportation,road,railroad,trail,airport,runway,NAIP,Ortho,Imagery
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: false
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 2.95828763795777E8
Max Scale: 9027.977411
Supports Datum Transformation: true
Child Resources:
Info
Supported Operations:
Export Map
Identify
QueryLegends
QueryDomains
Find
EstimateExportTilesSize
ExportTiles
Return Updates
