DBWriteChanDesc

Demonstrates how to write channel descriptions.

Remarks

This example illustrates how to open a file and write a new description to the first channel.

Code

 local int tfid
 local string description
 local string temp_file 
 try 
    temp_file = "./my.pix"
    delete temp_file noerror
    call CopyFile( GetPCIHOME() + "/demo/irvine.pix", \
                 temp_file)

    tfid = DBOpen(temp_file, "r+")
    call DBWriteChanDesc( tfid, 1, "Elevation" )
    description = DBReadChanDesc(tfid, 1)
    call DBClose(tfid)
    print description
 onerror
   print "Error: "+ GetLastErrorMessage()
 endonerror

Output

Elevation