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ReadGeoKeyAsync Method

Summary

Gets the specified GeoKey data from a TIFF stream.

Syntax

WinRT C#

C++

public IAsyncOperation<RasterTagMetadata> ReadGeoKeyAsync(  
   ILeadStream stream, 
   int pageNumber, 
   int id 
)

Public Function ReadGeoKeyAsync( _ 
   ByVal stream As ILeadStream, _ 
   ByVal pageNumber As Integer, _ 
   ByVal id As Integer _ 
) As IAsyncOperation(Of RasterTagMetadata)

public IAsyncOperation<RasterTagMetadata> ReadGeoKeyAsync(  
   ILeadStream stream, 
   int pageNumber, 
   int id 
)

 function Leadtools.Codecs.RasterCodecs.ReadGeoKeyAsync(  
   stream , 
   pageNumber , 
   id  
)

public: 
IAsyncOperation<RasterTagMetadata^>^ ReadGeoKeyAsync(  
   ILeadStream^ stream, 
   int pageNumber, 
   int id 
)

Parameters

stream
A ILeadStream containing the input file data.

pageNumber
1-based index of the page from which to read the GeoKey.

id
GeoKey ID. Values of the GeoKey ID range between 0 and 65535. Possible ranges are:

Range	Meaning
0..1023	Do not use; reserved for future use.
1024..2047	GeoTIFF Configuration Keys.
2048..3071	Geographic/Geocentric CS Parameter Keys.
3072..4095	Projected CS Parameter Keys.
4096..5119	Vertical CS Parameter Keys.
5120..32767	Reserved.
32768..65535	Private use - use to store your own data.