NgaDigitalTerrainElevationDataCell Constructor (StreamFactory, TerrainCacheGroup) |
Initializes a new instance with the specified stream factory.
Namespace: AGI.Foundation.Terrain
Assembly: AGI.Foundation.TerrainReaders (in AGI.Foundation.TerrainReaders.dll) Version: 24.2.419.0 (24.2.419.0)
Syntaxpublic NgaDigitalTerrainElevationDataCell( StreamFactory streamFactory, TerrainCacheGroup cacheGroup )
Parameters
- streamFactory
- Type: AGI.Foundation.InfrastructureStreamFactory
The factory to use to create streams to read the DT0, DT1, or DT2 file. - cacheGroup
- Type: AGI.Foundation.TerrainTerrainCacheGroup
The cache group with which to associate this terrain provider.
Exceptions| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown when the Earth instance in the current CalculationContext is not configured with a mean sea level (MSL). |
| InvalidDataException | Thrown when the Stream created from the streamFactory ends unexpectedly before the required terrain data could be read. |
| InvalidDataException | Thrown when the User Header Label at the start of the DTED cell does not have the expected format. |
| ArgumentNullException | Thrown when streamFactory or cacheGroup is . |
Remarks
The streams created by streamFactory must support seeking.
See Also