001/* 002 * This file is part of McIDAS-V 003 * 004 * Copyright 2007-2024 005 * Space Science and Engineering Center (SSEC) 006 * University of Wisconsin - Madison 007 * 1225 W. Dayton Street, Madison, WI 53706, USA 008 * https://www.ssec.wisc.edu/mcidas/ 009 * 010 * All Rights Reserved 011 * 012 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and 013 * some McIDAS-V source code is based on IDV and VisAD source code. 014 * 015 * McIDAS-V is free software; you can redistribute it and/or modify 016 * it under the terms of the GNU Lesser Public License as published by 017 * the Free Software Foundation; either version 3 of the License, or 018 * (at your option) any later version. 019 * 020 * McIDAS-V is distributed in the hope that it will be useful, 021 * but WITHOUT ANY WARRANTY; without even the implied warranty of 022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 023 * GNU Lesser Public License for more details. 024 * 025 * You should have received a copy of the GNU Lesser Public License 026 * along with this program. If not, see https://www.gnu.org/licenses/. 027 */ 028 029package edu.wisc.ssec.mcidasv.data.hydra; 030 031import java.util.HashMap; 032import java.util.Map; 033 034public class CrIS_SDR_Spectrum extends SpectrumAdapter { 035 036 public static int[] ifov_order = new int[] {8,5,2,7,4,1,6,3,0}; 037 038 public HashMap new_subset = new HashMap(); 039 040 private float initialSpectralResolution = 0f; 041 private float spectralIncrement = 0f; 042 043 // Pick a wavelength for the preview where there is likely to be a decent visual slice 044 private static final float DEFAULT_PREVIEW_WAVENUMBER = 902.25f; 045 046 public CrIS_SDR_Spectrum(MultiDimensionReader reader, Map<String, Object> metadata) { 047 super(reader, metadata); 048 } 049 050 public int computeNumChannels() { 051 052 String arrayName = (String) metadata.get("array_name"); 053 int numChannels = CrIS_SDR_Utility.getNumChannels(arrayName); 054 initialSpectralResolution = CrIS_SDR_Utility.getWavenumberStart(arrayName); 055 spectralIncrement = CrIS_SDR_Utility.getWavenumberIncrement(arrayName); 056 057 return numChannels; 058 } 059 060 public float[] getChannels() throws Exception { 061 float[] spectrum = new float[numChannels]; 062 for (int k=0; k < numChannels; k++) { 063 spectrum[k] = initialSpectralResolution + k * (spectralIncrement); 064 } 065 return spectrum; 066 } 067 068 public float getInitialWavenumber() { 069 return DEFAULT_PREVIEW_WAVENUMBER; 070 } 071 072}