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Re: Conversion Factor [message #57273 is a reply to message #57271]

Wed, 05 December 2007 13:42

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

Marshad2@gmu.edu wrote:
> Hi Guys:
>
> I have the following scale factors for 50 bands.
>
> "scale_factor"
> 0.10000000, 0.10000000, 0.10000000, 0.10000000, 0.10000000,
> 0.10000000,
> 0.10000000, 0.10000000, 0.10000000, 0.10000000, 0.01000000,
> 0.01000000,
> 0.01000000, 0.01000000, 0.01000000, 0.10000000, 0.01000000,
> 0.01000000,
> 0.01000000, 0.01000000, 0.01000000, 0.01000000, 0.01000000,
> 0.01000000,
> 0.01000000, 1.00000000, 0.00500000, 0.00600000, 0.00600000,
> 0.00600000,
> 0.00600000, 0.00600000, 0.00500000, 0.00100000, 0.00300000,
> 0.00600000,
> 0.00500000, 0.00500000, 0.00200000, 0.00100000, 0.00100000,
> 0.01000000,
> 0.01000000, 0.01000000, 0.01000000, 0.01000000, 0.01000000,
> 0.01000000,
> 0.01000000, 0.01000000
>
> FLAASH atmospheric correction software requires radiance to be in
> microwatts/centimeter^2/steradian/nanometer. Whereas, I have the
> radiance in watts/meter^2/steradian/micron. What shall I do?

Umm... convert the values to the required units?

micro == 10^-6
centi == 10^-2
nano == 10^-9

and

micron == micrometer.

Add the exponents accordingly (don't forget the ^2 bits!) and multiply.

cheers,

paulv

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[Message index]

		Re: Conversion Factor By: devin.white on Thu, 06 December 2007 04:21
		Re: Conversion Factor By: Marshad2 on Wed, 05 December 2007 15:49
		Re: Conversion Factor By: Brian Larsen on Wed, 05 December 2007 14:01
		Re: Conversion Factor By: Paul Van Delst[1] on Wed, 05 December 2007 13:42

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