Class: GoogleEarthEnterpriseMetadata

GoogleEarthEnterpriseMetadata

new GoogleEarthEnterpriseMetadata()

Used to manage Google Earth Enterprise service metadata classes. Retrieve metadata information of terrain/images through REST API for Google Earth Enterprise Imagery Provider and Google Earth Enterprise Terrain Provider to share requests.

Name Type Description
options.url String

The URL of the Google Earth Enterprise server hosting the images.
options.proxy Proxy optional

Proxy used for requests. This object will have a getURL function that returns a proxy URL when needed.
See:

Members

imageryPresentBoolean

If there is an image, it is True.

Default Value:
true

keyArrayBuffer

The key used to decode data packets.

negativeAltitudeExponentBiasNumber

The index used to calculate constants for calculating negative height values.

Default Value:
32

negativeAltitudeThresholdNumber

Threshold, where any smaller number is actually a negative value. They will be multiplied by a negative height component bias of -2 ^.

Default Value:
EPSILON12

protoImageryBoolean

If the image is sent in the form of a protocol buffer, it is true; If sent in pure image form, it is false. If not defined, we will try both methods simultaneously.

Default Value:
undefined

providersObject

Convert the provider ID into a dictionary of copyright strings.

Default Value:
{}

readonly resourceResource

Retrieve resources for requesting metadata

terrainPresentBoolean

If there is terrain, it is True.

Default Value:
true

readonly urlString

Get the name of the Google Earth Enterprise server.

Methods

static quadKeyToTileXY(quadkey)

Convert the tile quadkey used to request images from Google Earth Enterprise servers to (x, y, horizontal) positions.

Name Type Description
quadkey String

The quadkey of tiles
See:
  • GoogleEarthEnterpriseMetadata#tileXYToQuadKey

static tileXYToQuadKey(x, y, level)

Convert tile (x, y, horizontal) positions to quadkeys for requesting images from Google Earth Enterprise servers.

Name Type Description
x Number

The X-coordinate of the tile.
y Number

The y-coordinate of the tile.
level Number

The degree of scaling of tiles.
See:
  • GoogleEarthEnterpriseMetadata#quadKeyToTileXY

isValid(quadkey){Boolean}

Verify if the quadkey of the tile is valid.

Name Type Description
quadkey String

The quadkey of the tile.
Returns:
Type Description
Boolean If the quadkey of the tile is valid, return true; otherwise, return false.