//
// CalibratorGvarG8.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;
/**
* CalibratorGvarG8 creates a Calibrator object designed specifically
* to deal with GOES 8 data. Not fully implemented at present - some
* calibrations remain to be done. It provides all the constants
* specific to the GOES 8 imager and sounder sensors.
*
* @version 1.4 6 Aug 1999
* @author Tommy Jasmin, SSEC
*/
public class CalibratorGvarG8 extends CalibratorGvar {
protected static float [] imager8FK1 = new float[NUM_BANDS_IMAGER];
protected static float [] sounder8FK1 = new float[NUM_BANDS_SOUNDER];
protected static float [] imager8FK2 = new float[NUM_BANDS_IMAGER];
protected static float [] sounder8FK2 = new float[NUM_BANDS_SOUNDER];
protected static float [] imager8TC1 = new float[NUM_BANDS_IMAGER];
protected static float [] sounder8TC1 = new float[NUM_BANDS_SOUNDER];
protected static float [] imager8TC2 = new float[NUM_BANDS_IMAGER];
protected static float [] sounder8TC2 = new float[NUM_BANDS_SOUNDER];
// the following static init block sets the class temp/rad constants
static {
imager8FK1[0] = 0.0000000E0f;
imager8FK1[1] = 0.1999862E6f;
imager8FK1[2] = 0.3879239E5f;
imager8FK1[3] = 0.9737930E4f;
imager8FK1[4] = 0.6944640E4f;
sounder8FK1[0] = 0.3756810E4f;
sounder8FK1[1] = 0.4011100E4f;
sounder8FK1[2] = 0.4296870E4f;
sounder8FK1[3] = 0.4681130E4f;
sounder8FK1[4] = 0.4975250E4f;
sounder8FK1[5] = 0.5881410E4f;
sounder8FK1[6] = 0.6787440E4f;
sounder8FK1[7] = 0.8873710E4f;
sounder8FK1[8] = 0.1299794E5f;
sounder8FK1[9] = 0.2862932E5f;
sounder8FK1[10] = 0.3424830E5f;
sounder8FK1[11] = 0.4311430E5f;
sounder8FK1[12] = 0.1242353E6f;
sounder8FK1[13] = 0.1281235E6f;
sounder8FK1[14] = 0.1351482E6f;
sounder8FK1[15] = 0.1691671E6f;
sounder8FK1[16] = 0.1882350E6f;
sounder8FK1[17] = 0.2257944E6f;
imager8FK2[0] = 0.0000000E0f;
imager8FK2[1] = 0.3684270E4f;
imager8FK2[2] = 0.2132720E4f;
imager8FK2[3] = 0.1345370E4f;
imager8FK2[4] = 0.1201990E4f;
sounder8FK2[0] = 0.3765120E4f;
sounder8FK2[1] = 0.3981160E4f;
sounder8FK2[2] = 0.4281880E4f;
sounder8FK2[3] = 0.4678910E4f;
sounder8FK2[4] = 0.4962590E4f;
sounder8FK2[5] = 0.5860420E4f;
sounder8FK2[6] = 0.6770320E4f;
sounder8FK2[7] = 0.8958910E4f;
sounder8FK2[8] = 0.1296593E5f;
sounder8FK2[9] = 0.2839828E5f;
sounder8FK2[10] = 0.3420134E5f;
sounder8FK2[11] = 0.4252514E5f;
sounder8FK2[12] = 0.1240574E6f;
sounder8FK2[13] = 0.1280114E6f;
sounder8FK2[14] = 0.1348497E6f;
sounder8FK2[15] = 0.1678142E6f;
sounder8FK2[16] = 0.1888012E6f;
sounder8FK2[17] = 0.2258565E6f;
imager8TC1[0] = 0.0000000E0f;
imager8TC1[1] = 0.6357000E0f;
imager8TC1[2] = 0.6060000E0f;
imager8TC1[3] = 0.3735000E0f;
imager8TC1[4] = 0.2217000E0f;
sounder8TC1[0] = 0.1230000E-1f;
sounder8TC1[1] = 0.1330000E-1f;
sounder8TC1[2] = 0.1860000E-1f;
sounder8TC1[3] = 0.1500000E-1f;
sounder8TC1[4] = 0.1650000E-1f;
sounder8TC1[5] = 0.4740000E-1f;
sounder8TC1[6] = 0.1318000E0f;
sounder8TC1[7] = 0.1200000E0f;
sounder8TC1[8] = 0.4260000E-1f;
sounder8TC1[9] = 0.1505000E0f;
sounder8TC1[10] = 0.2743000E0f;
sounder8TC1[11] = 0.1447000E0f;
sounder8TC1[12] = 0.2240000E-1f;
sounder8TC1[13] = 0.2200000E-1f;
sounder8TC1[14] = 0.2170000E-1f;
sounder8TC1[15] = 0.5790000E-1f;
sounder8TC1[16] = 0.6230000E-1f;
sounder8TC1[17] = 0.3675000E0f;
imager8TC2[0] = 0.0000000E0f;
imager8TC2[1] = 0.9991000E0f;
imager8TC2[2] = 0.9986000E0f;
imager8TC2[3] = 0.9987000E0f;
imager8TC2[4] = 0.9992000E0f;
sounder8TC2[0] = 0.9999000E0f;
sounder8TC2[1] = 0.9999000E0f;
sounder8TC2[2] = 0.9999000E0f;
sounder8TC2[3] = 0.9999000E0f;
sounder8TC2[4] = 0.9999000E0f;
sounder8TC2[5] = 0.9998000E0f;
sounder8TC2[6] = 0.9995000E0f;
sounder8TC2[7] = 0.9996000E0f;
sounder8TC2[8] = 0.9999000E0f;
sounder8TC2[9] = 0.9996000E0f;
sounder8TC2[10] = 0.9993000E0f;
sounder8TC2[11] = 0.9997000E0f;
sounder8TC2[12] = 0.1000000E1f;
sounder8TC2[13] = 0.1000000E1f;
sounder8TC2[14] = 0.1000000E1f;
sounder8TC2[15] = 0.9999000E0f;
sounder8TC2[16] = 0.9999000E0f;
sounder8TC2[17] = 0.9995000E0f;
}
/**
*
* constructor
*
* @param dis data input stream
* @param ad AncillaryData object
* @param cb calibration parameters array
*
*/
public CalibratorGvarG8(DataInputStream dis, AncillaryData ad, int [] cb)
throws IOException
{
super(dis, ad, cb);
}
public CalibratorGvarG8(final int id, final int[] cal) {
super(id, cal);
}
/**
*
* 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 = (imager8FK1[band - 1] / inVal) + 1.0;
temp = imager8FK2[band - 1] / Math.log(expn);
outVal = (float) ((temp - imager8TC1[band - 1]) / imager8TC2[band - 1]);
} else {
expn = (sounder8FK1[band - 1] / inVal) + 1.0;
temp = sounder8FK2[band - 1] / Math.log(expn);
outVal = (float) ((temp - sounder8TC1[band - 1]) / sounder8TC2[band - 1]);
}
return (outVal);
}
}
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