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Re: Signed and unsigned integer problem [message #10171 is a reply to message #10037]

Thu, 09 October 1997 00:00

Bernd Aberle
Messages: 2
Registered: September 1997

Junior Member

Alexei Chirokikh wrote:
>
> Hi, all
> I have data file which is in unsigned integer format. How can I
> properly read in PV-Wave?
>
> --
> AC

I don't have PV-Wave, but in IDL you could read the data as signed
integer and convert all data to long, but like this :
data_long = long(data_short and '0000ffff'X)
so that the long data is positiv.

E.g.:
IDL> print,long(-1 and '0000ffff'X)
65535

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[Message index]

		Signed and unsigned integer problem By: Alexei Chirokikh on Tue, 07 October 1997 00:00
		Re: Signed and unsigned integer problem By: Alexei Chirokikh on Thu, 09 October 1997 00:00
		Re: Signed and unsigned integer problem By: Bernd Aberle on Thu, 09 October 1997 00:00

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