//
// CalibratorGvarG12.java
//
/*
This source file is part of the edu.wisc.ssec.mcidas package and is
Copyright (C) 1998 - 2017 by Tom Whittaker, Tommy Jasmin, Tom Rink,
Don Murray, James Kelly, Bill Hibbard, Dave Glowacki, Curtis Rueden
and others.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA
*/
package edu.wisc.ssec.mcidas;
import java.io.DataInputStream;
import java.io.IOException;
import edu.wisc.ssec.mcidas.AncillaryData;
/**
* CalibratorGvarG12 creates a Calibrator object designed specifically
* to deal with GOES 10 data. Not fully implemented at present - some
* calibrations remain to be done. It provides all the constants
* specific to the GOES 10 imager and sounder sensors.
*
* @version 1.3 6 Aug 1999
* @author Tommy Jasmin, SSEC
*/
public class CalibratorGvarG12 extends CalibratorGvar {
// the following static init block sets the class temp/rad constants
protected static float [] imager12FK1 = {0.f, 0.20096E6f, 0.43702E5f, 0.96859E4f, 0.50471E4f};
protected static float [] sounder12FK1 =
{0.37778E4f, 0.40086E4f, 0.43085E4f,
0.47041E4f, 0.50134E4f, 0.58645E4f,
0.69071E4f, 0.90388E4f, 0.12972E5f,
0.28931E5f, 0.34531E5f, 0.43340E5f,
0.12492E6f, 0.12822E6f, 0.13535E6f,
0.16981E6f, 0.18954E6f, 0.22538E6f};
protected static float [] imager12FK2 = {0.f, 0.36902E4f,0.22191E4f,0.13430E4f,0.10807E4f};
protected static float [] sounder12FK2 =
{0.98121E3f, 0.10008E4f, 0.10252E4f,
0.10556E4f, 0.10783E4f, 0.11361E4f,
0.11998E4f, 0.13124E4f, 0.14803E4f,
0.19340E4f, 0.20516E4f, 0.22130E4f,
0.31494E4f, 0.31769E4f, 0.32347E4f,
0.34888E4f, 0.36189E4f, 0.38340E4f};
protected static float [] imager12TC1 = {0.f, .69703f, 5.08315f, .37554f, .09537f};
protected static float [] sounder12TC1 =
{.01010f, .01252f, .01229f,
.01189f, .01264f, .04189f,
.13474f, .12341f, .03844f,
.15764f, .27420f, .13683f,
.02124f, .01780f, .02037f,
.04933f, .05386f, .28872f};
protected static float [] imager12TC2 = {0.f, .99902f, .98872f, .99872f, .99960f};
protected static float [] sounder12TC2 =
{.99995f, .99994f, .99994f,
.99995f, .99995f, .99983f,
.99949f, .99957f, .99988f,
.99960f, .99934f, .99969f,
.99996f, .99997f, .99997f,
.99993f, .99992f, .99961f};
/**
*
* constructor
*
* @param dis data input stream
* @param ad AncillaryData object
* @param cb calibration parameters array
*
*/
public CalibratorGvarG12(DataInputStream dis, AncillaryData ad, int [] cb)
throws IOException
{
super(dis, ad, cb);
}
public CalibratorGvarG12(int sensorId, int[] cb) {
super(sensorId, cb);
}
/**
*
* calibrate from radiance to temperature
*
* @param inVal input data value
* @param band channel/band number
* @param sId sensor id number
*
*/
public float radToTemp(float inVal, int band, int sId) {
double expn;
double temp;
float outVal;
if ((sId % 2) == 0) {
expn = (imager12FK1[band - 1] / inVal) + 1.0;
temp = imager12FK2[band - 1] / Math.log(expn);
outVal = (float) ((temp - imager12TC1[band - 1]) / imager12TC2[band - 1]);
} else {
expn = (sounder12FK1[band - 1] / inVal) + 1.0;
temp = sounder12FK2[band - 1] / Math.log(expn);
outVal = (float)
((temp - sounder12TC1[band - 1]) / sounder12TC2[band - 1]);
}
return (outVal);
}
}