00001 /* 00002 00003 Direction calculation from spectrum, header 00004 Copyright (C) 2000-2001 Jussi Laako 00005 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 00020 */ 00021 00022 00023 #include <dsp/DSPOp.hh> 00024 00025 #include "Config.h" 00026 #include "ArrayBase.hh" 00027 00028 00029 #ifndef SPECTDIR2_HH 00030 #define SPECTDIR2_HH 00031 00032 00033 typedef struct _stSpectDir2RN 00034 { 00035 int iType; 00036 GDT fAlpha; 00037 long lMeanLength; 00038 long lGapLength; 00039 } stSpectDir2RN, *stpSpectDir2RN; 00040 00041 00047 class clSpectDir2 00048 { 00049 long lDirCount; 00050 GDT fPI; 00051 GDT fSensorSpacing; 00052 GDT fArrayFreq; 00053 public: 00054 clDSPOp DSP; 00055 clSpectDir2 (); 00056 ~clSpectDir2 (); 00057 // Set sensor spacing 00058 // Note: Call this before setting speed of sound 00059 // (sensor spacing) 00060 void SetSensorSpacing (GDT); 00061 // Set speed of sound 00062 // (speed of sound) 00063 void SetSoundSpeed (GDT); 00064 // Get array frequency 00065 GDT GetArrayFrequency () { return fArrayFreq; } 00066 // Get direction from frequency and phase difference 00067 // (frequency, phase diff (rad)) = direction (rad) 00068 GDT GetDirection (GDT, GDT); 00069 }; 00070 00071 #endif 00072
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