GBDX

GeoEye-1

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Overview

GeoEye-1 has been collecting panchromatic and multispectral imagery since its launch on September 6, 2008. Its high resolution and advanced geolocation accuracy make GeoEye-1’s imagery ideal for in-depth imagery analysis.

Uses
Useful for image analysis, map creation, and change detection.

Spectral Bands

Panchromatic band
Multispectral 4-band

Date Range
September 2008 – present

Products available through GBDX
DigitalGlobe Basic (Level 1B imagery)

See the GeoEye-1 Data Sheet for more details.

GeoEye-1 Multispectral 4-band image.

GeoEye-1 Multispectral 4-band image.

Types

Type Description
GE01 GeoEye-1 pan or multispectral imagery

Search

Using the GBDX Catalog V2 API, search by "types" to find GeoEye-1. To narrow the search results set, include area, date range, or both. Search results can be further filtered by the properties of a GeoEye-1 record.

Catalog V2 API Request

Send a POST request to https://geobigdata.io/catalog/v2/search with a request body.

For gbdxtools, see Catalog Search Overview

Search Examples

Search Example 1: Search for GE01Acquisitions

This search will return Ge01 Acquisitions within the specified area and date range.

   {
    	"searchAreaWkt": "POLYGON ((-105.35202026367188 39.48113956424843, -105.35202026367188 40.044848254075546, -104.65988159179688 40.044848254075546, -104.65988159179688 39.48113956424843, -105.35202026367188 39.48113956424843))",
    	"startDate": "2014-01-01T00:00:00.000Z",
    	"endDate": "2014-12-31T23:59:59.999Z",
    	"types": ["GE01",
    		"DigitalGlobeAcquisition"]
    }

Search Example 1: Results for Search for GE01 Acquisitions

{
    "stats": {
        "recordsReturned": 25,
        "totalRecords": 25,
        "typeCounts": {
            "GBDXCatalogRecord": 25,
            "DigitalGlobeAcquisition": 25,
            "GE01": 25,
            "Acquisition": 25
        }
    },
    "results": [
        {
            "identifier": "1050410011C2EB00",
            "type": [
                "GBDXCatalogRecord",
                "Acquisition",
                "DigitalGlobeAcquisition",
                "GE01"
            ],
            "properties": {
                "offNadirAngle_min": 31.8525924682617,
                "offNadirAngle_start": 31.8525924682617,
                "targetAzimuth_min": 60.386661529541,
                "multiResolution_min": 2.23733234405518,
                "cloudCover": 75,
                "sunAzimuth_max": 171.149856567383,
                "targetAzimuth": 65.84228515625,
                "multiResolution": 2.31831884384155,
                "catalogID": "1050410011C2EB00",
                "panResolution_max": 0.5988689661026,
                "timestamp": "2014-12-09T18:18:52.885Z",
                "sunAzimuth_min": 171.076568603516,
                "browseURL": "https://geobigdata.io/thumbnails/v1/browse/1050410011C2EB00.large.png",
                "targetAzimuth_max": 72.6999282836914,
                "sunAzimuth": 171.117172241211,
                "sunElevation_min": 26.5752601623535,
                "offNadirAngle": 33.4373474121094,
                "stereoPair": null,
                "platformName": "GEOEYE01",
                "multiResolution_start": 2.23733234405518,
                "sunElevation": 26.7763481140137,
                "vendor": "DigitalGlobe",
                "scanDirection": "Reverse",
                "panResolution_end": 0.5988689661026,
                "panResolution_start": 0.558063328266144,
                "targetAzimuth_end": 60.386661529541,
                "panResolution_min": 0.558063328266144,
                "offNadirAngle_max": 34.8892784118652,
                "multiResolution_end": 2.39795136451721,
                "multiResolution_max": 2.39795136451721,
                "sunElevation_max": 27.0106639862061,
                "offNadirAngle_end": 34.8892784118652,
                "panResolution": 0.578698635101318,
                "footprintWkt": "MULTIPOLYGON(((-105.1056148 39.81188751, -105.3796843 39.79217314, -105.379593 39.83655676, -105.3811402 39.88082511, -105.3805066 39.92594071, -105.3819681 39.9708083, -105.380321 40.01692346, -105.3830102 40.06207719, -105.3828159 40.10852092, -105.3854166 40.1543876, -105.3858499 40.20143732, -105.3844879 40.21184721, -105.0985763 40.25166888, -105.0988096 40.24093949, -105.0993624 40.19181901, -105.1000138 40.14309135, -105.1011352 40.09462447, -105.1017993 40.04669019, -105.1031569 39.99892528, -105.1037593 39.951717, -105.1050627 39.90464994, -105.1054667 39.85811445, -105.1056148 39.81188751)))",
                "targetAzimuth_start": 72.6999282836914,
                "imageBands": "PAN_MS1",
                "sensorPlatformName": "GEOEYE01"
            }
        },
      [results truncated]

Search Example 2: Search for GE01 Products

This search will return GeoEye-1 1B products within the specified area and date range. 

    {
    	"searchAreaWkt": "POLYGON ((-105.35202026367188 39.48113956424843, -105.35202026367188 40.044848254075546, -104.65988159179688 40.044848254075546, -104.65988159179688 39.48113956424843, -105.35202026367188 39.48113956424843))",
    	"startDate": "2014-01-01T00:00:00.000Z",
    	"endDate": "2014-12-31T23:59:59.999Z",
    	"types": ["GE01",
    		"DigitalGlobeProduct",
    		"1BProduct"]
    }

Search Example 2: Results for Search for GE01 Products

{
    "stats": {
        "recordsReturned": 20,
        "totalRecords": 20,
        "typeCounts": {
            "GBDXCatalogRecord": 20,
            "1BProduct": 20,
            "GE01": 20,
            "DigitalGlobeProduct": 20
        }
    },
    "results": [
        {
            "identifier": "1050410011139800_P001_PAN_056814749010",
            "type": [
                "GBDXCatalogRecord",
                "GE01",
                "DigitalGlobeProduct",
                "1BProduct"
            ],
            "properties": {
                "rpbFile": "14JUL27172946-P1BS-056814749010_01_P001.RPB",
                "sunAzimuth": 128,
                "cloudCover": 41,
                "catalogID": "1050410011139800",
                "xmlFile": "14JUL27172946-P1BS-056814749010_01_P001.XML",
                "timestamp": "2014-07-27T17:29:46.000Z",
                "attFile": "14JUL27172946-P1BS-056814749010_01_P001.ATT",
                "browseJpgFile": "14JUL27172946-P1BS-056814749010_01_P001-BROWSE.JPG",
                "offNadirAngle": 39.2,
                "platformName": "GEOEYE01",
                "sunElevation": 60.9,
                "vendor": "DigitalGlobe",
                "soli": "056814749",
                "bands": "P",
                "bucketPrefix": "056814749010_01_003/056814749010_01/056814749010_01_P001_PAN",
                "readmeTxtFile": "14JUL27172946-P1BS-056814749010_01_P001_README.TXT",
                "imageFile": "14JUL27172946-P1BS-056814749010_01_P001.TIF",
                "part": 1,
                "bucketName": "receiving-dgcs-tdgplatform-com",
                "resolution": 0.661,
                "footprintWkt": "MULTIPOLYGON(((-104.902987263 39.9395079761, -104.563095236 39.9193788491, -104.563134385 39.7910697863, -104.903414604 39.8041392218, -104.902987263 39.9395079761)))",
                "geoFile": "14JUL27172946-P1BS-056814749010_01_P001.GEO",
                "tilFile": "14JUL27172946-P1BS-056814749010_01_P001.TIL",
                "sensorPlatformName": "GEOEYE01",
                "productLevel": "LV1B",
                "imdFile": "14JUL27172946-P1BS-056814749010_01_P001.IMD",
                "ephFile": "14JUL27172946-P1BS-056814749010_01_P001.EPH",
                "bandsList": "BAND_P"
            }
        },
      [Results truncated to show one record]

GeoEye-1 Product Properties

The following identifying information, properties, and metadata files are associated with a GeoEye-1 product in the GBDX catalog.

Property Description Values
bands Indicates panchromatic image or multispectral image "Pan" or "Multi"
bandsList The specific bands that are part of this product. Example: BAND_B,BAND_G,BAND_R,BAND_N
bucketName name of the AWS receiving bucket the product is stored in. n/a
bucketPrefix The customer's AWS Prefix. This is typically the Account ID. n/a
catalogID The catalog ID for the acquisition this product is derived from. Example catalog ID: 1020010007AF7100
cloudCover Estimate of the max cloud-covered fraction of the product component. 0.000 to 1.000, -999.000 if not assessed.
footprintWkt The spatial area for a search. A Well-Known Text (WKT) representation of the shape (footprint, geometry) that defines the Location MULTIPOLYGON
identifier The identifier for the product, also referred to as "product ID". 1040010006129900_P001_MUL_056814719010
imageFile The product image. The file extension is .tiff. n/a
offNadirAngle The spacecraft elevation angle measured from nadir to the image center as seen from the spacecraft at the time the strip or substrip was acquired. : ≥ 0.0, decimal points may vary.
part The part ID for an order. For this property, the value is a single digit. For example, part: 5. The part ID is indicated in the Product ID and the metadata file names as "00x", or in this example, "005".
platformName See "sensorPlatformName". This field exists for backwards compatibility purposes only. n/a
productLevel At this time, Catalog V2 only catalogs Level 1B products. A 1B product is a "basic" DigitalGlobe product. 1B
resolution The resampled image pixel size derived from Ground Sample Distance (GSD). Example: 0.588
sensorPlatformName The name of the DigitalGlobe satellite that captured the acquisition this product is derived from. See all DG satellites.
soli Sales Order Line Item Example: 055734390
sunAzimuth The azimuth of the sun as seen by an observer sitting on the target measured in a clockwise direction from north. Range: 0.00000 – 360.00000
sunElevation The angle of the sun above the horizon. A negative sun elevation indicates a night time image.. ±90.0
timestamp The timestamp on the acquisition the product is derived from. Example: 2014-07-12T17:40:46.000Z
Vendor For products, the vendor is DigitalGlobe. N/A

Image Support Data (DigitalGlobe Products)

DigitalGlobe products have a set of metadata files called Image Support Data (ISD). The files included with a DigitalGlobe product on GBDX are:

File Details
attFile Attitude File, File extension is Attitude File. The attitude file includes the time of first data point, the number of points, and the interval between the points and attitude information.
browseJpgFile Product Browse File, File extension is .JPG. The product browse file is a JPEG compressed browse image of the delivered product.
ephFile Ephemeris File, File extension is .EPH. The ephemeris file includes the time of first data point, the number of points, and the interval between the points and ephemeris information.
geoFile Geometric Calibration File, File extension is .GEO. The geometric calibration file contains the standard photogrammetric parameters of a virtualcamera that models the corresponding camera and optical system for Basic Imagery products
imdFile Image Metadata Fle, File extension is .IMD. The image metadata file describes key attributes about the image product, including product level, corner coordinates, and projection information, and time of acquisition.
readmeTxtFile Product Component Index File, File extension is .TXT.he README file provides copyright information and the names of the ISD files for a single product within a delivery.
rpbFile RPC00B File, File extension is .RPB. The RPC00B file contains the RPC information, which can be used to rectify the image. This is a mathematical mapping from object space coordinates to image space coordinates.
tilFile Tile Map File, File extension is .RPB. The tile map file assists the customer in determining what tile to ingest to look at a specific part of the order polygon.
xmlFile XML File, File extension is .XML. This file contains the same information as the combined README, Licensing, Image Metadata, Tile Map and RPC00Bfiles, in XML format. For Basic Imagery Products, the attitude, ephemeris, and geometric calibration file are included as well.

These files cannot be viewed in the GBDX Receiving Bucket, but they can be passed into a task.

GeoEye-1 Acquisition Properties

These are the properties associated with a GeoEye-1 Acquisition:

Property Description Values
browseURL This is the browse url from the GBDX thumbnail service ex. https://geobigdata.io/thumbnails/v1/browse/103001003778D300.large.png
catalogID DigitalGlobe CatalogID for the raw data (acquisition). This is sometimes referred to as the "acquisition ID" Ex.: 1020010007AF7100
cloudCover Estimate of the max cloud-covered fraction of the product component. 0.000 to 1.000, -999.000 if not assessed.
footprintWkt The spatial area for a search. A Well-Known Text (WKT) representation of the shape (footprint, geometry) that defines the Location MULTIPOLYGON
identifier The "identifier" for a DigitalGlobe acquisition is the catalog ID 1020010007AF7100
imageBands the image ands available for the image See Image Bands below.
multiResolution multispectral resolution 2.41480398178101
multiResolution_end The multispectral resolution at the end of the collect 2.40671253204346
multiResolution_max The maximum multispectral resolution in the collect 2.42567181587219
multiResolution_min The minimum multispectral resolution in the collect 0.600724101066589
multiResolution_start The multispectral resolution of the start of of the collect 0.605704009532928
offNadirAngle The spacecraft elevation angle measured from nadir to the image center as seen from the spacecraft at the time the strip or substrip was acquired. : ≥ 0.0, decimal points may vary.
offNadirAngle_max The maximum spacecraft elevation angle measured from nadir to the product center-line as seen from thespacecraft. 0.0 to 90.0
offNadirAngle_end The end of the spacecraft elevation angle measured from nadir to the image center as seen from the spacecraft at the time the strip or substrip was acquired. Example: 33.7915306091309
offNadirAngle_min The maximum spacecraft elevation angle measured from nadir to the product center-line as seen from the spacecraft. 0.0 to 90.0, Example: 30.0960826873779
OffNadirAngle_start The start of the spacecraft elevation angle measured from nadir to the image center as seen from the spacecraft at the time the strip or substrip was acquired. Example: 30.0960826873779
panResolution Panchromatic resolution 0.602808654308319
panResolution_end The panchromatic resolution at the end of the collect 0.600724101066589
panResolution_max The maximum panchromatic resolution in the collect 0.605704009532928
panResolution_min The minimum panchromatic resolution in the collect 0.600724101066589
panResolution_start he panchromatic resolution at the start of the collect 0.605704009532928
platformName The name of the sensor platform that acquired the data. platformName is in longhand, for example: GEOEYE01. This property is identical to "sensorPlatformName" below. N/A
scanDirection The scan direction of the sensor when the acquisition was captured. Values are "Forward" or "Reverse". The sensor platform Quickbird uses "forward" only.
sensorPlatformName The name of the sensor platform that acquired the data. sensorPlatformName is in longhand, for example: GEOEYE01. This property is identical to "platformName" above. N/A
stereoPair Stereo pair data is not available on GBDX at this time. N/A
sunAzimuth The azimuth of the sun as seen by an observer sitting on the target measured in a clockwise direction from north. Range: 0.00000 – 360.00000
sunAzimuth_max Maximum azimuth angle of the sun measured from north clockwise. 0.0 to 360.0
sunAzimuth_min Minimum azimuth angle of the sunmeasured from north clockwise. 0.0 to 360.0
sunElevation The angle of the sun. A negative sun elevation indicates a night time image.. ±90.0
sunElevation_max Maximum azimuth angle of the sun A negative sun elevation indicates a night time image. ±90.0
sunElevation_min Minimum azimuth angle of the sun. A negative sun elevation indicates a night time image.. ±90.0
targetAzimuth The azimuth of the target as seen by an observer sitting on the spacecraft measured in a clockwise direction from north. 49.6538887023926
targetAzimuth_end This is the maximum target azimuth in the collect 50.8807907104492
targetAzimuth_max This is the end of the target Azimuth for this collect 50.8807907104492
targetAzimuth_min This is the minimum target azimuth in the collect 48.0979080200195
targetAzimuth_start This is the start of the target Azimuth for this collect 48.0979080200195
timestamp The timestamp shows the date and time the acquisition data was collected Ex. 2014-09-07T18:01:40.000Z
vendor The data provider Ex. DigitalGlobe

Sensor Platforms and Image Bands

SensorPlatformName ImageBands Description
GEOEYE01 Pan_MS1 Multispectral, 4-band
QUICKBIRD02 Pan_MS1 Multispectral, 4-band
WORLDVIEW01 Pan Black & White (Panchromatic)
WORLDVIEW02 Pan_MS1_MS2 Multispectral, 8-band
WORLDVIEW03 Pan_MS1_MS2, SWIR Multispectral, 8-band; Shortwave infrared, 8-band,

Identifiers

Catalog ID

The Catalog ID is the vendor's identifying information for the acquisition data collected by the satellite. This is sometimes referred to as the "acquisition ID." The catalog ID for the acquisition is also displayed in the properties for products derived from that acquisition. The catalog ID is used to place an order for a product.

Example Acquisition Catalog ID: 1020010007AF7100

Product ID

For a DigitalGlobe product, the "identifier" field is the product ID.

The format of the product ID is:

<catid>_<part>_<band comb (MSI, PAN, SWR)>_<soli>

Example: 10300100301DCE00_P002_MUL_055825267010.

In this example:

Component Value
catid 10300100301DCE00
part 002
band combination (MSI, PAN, SWR)
soli (sales order line item) 055825267010

S3 location

s3://bucketName/bucketPrefix/File name

The bucketName, bucketPrefix, and file name can all be found in the response body for a DigitalGlobeProduct.

Processing GeoEye-1 Data

Most algorithms on the GBDX platform accept GeoEye-1 pan or multispectral imagery.