InternationalTerrestrialReferenceFrameTransformerReadFromItrfDefinitionsFile Method (TextReader) |
Reads an ITRF definitions file and creates a list of ITRF transformations. Each data line in the file
adds two ITRF transformations to the list: The forward transformation from the "from year" to the "to year"
and the backward transformation from the "to year" to the "from year".
Namespace: AGI.Foundation.Geometry
Assembly: AGI.Foundation.Models (in AGI.Foundation.Models.dll) Version: 25.1.421.0 (25.1.421.0)
Syntaxpublic static List<InternationalTerrestrialReferenceFrameTransformer> ReadFromItrfDefinitionsFile( TextReader reader )
Parameters
- reader
- Type: System.IOTextReader
A TextReader for the ITRF definitions .txt file.
Return Value
Type: ListInternationalTerrestrialReferenceFrameTransformerA list of ITRF transformations.
Exceptions| Exception | Condition |
|---|---|
| ArgumentNullException | Thrown when reader is . |
RemarksThe units are automatically converted into meters, seconds, and radians from mm, years, and milli-arc seconds. Parts per billion (ppb) are divided by one billion to make the Scaling constant term unitless.
A file of this format should be able to be found in the DynamicEarthData folder of a STK install that is 12.7 or later (2023r2 or later). Specifically, the correct file in that folder should be named "ITRFDefns.txt".
See Also