1 | |
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2 | /* file evt2phasetimes.c |
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3 | * ================ |
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4 | * |
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5 | * version 3, 3-Jan-2006 |
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6 | * |
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7 | * Writes out realtive arrival times (to origin time) and epicentral distances |
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8 | * K. Stammler, 8-Aug-96 |
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9 | */ |
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10 | |
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11 | |
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12 | /* |
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13 | * |
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14 | * SeismicHandler, seismic analysis software |
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15 | * Copyright (C) 1996, Klaus Stammler, Federal Institute for Geosciences |
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16 | * and Natural Resources (BGR), Germany |
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17 | * |
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18 | * This program is free software; you can redistribute it and/or modify |
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19 | * it under the terms of the GNU General Public License as published by |
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20 | * the Free Software Foundation; either version 2 of the License, or |
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21 | * (at your option) any later version. |
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22 | * |
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23 | * This program is distributed in the hope that it will be useful, |
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24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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26 | * GNU General Public License for more details. |
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27 | * |
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28 | * You should have received a copy of the GNU General Public License |
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29 | * along with this program; if not, write to the Free Software |
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30 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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31 | * |
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32 | */ |
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33 | |
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34 | |
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35 | #include <stdio.h> |
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36 | #include <string.h> |
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37 | #include <math.h> |
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38 | #include "basecnst.h" |
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39 | #ifdef BC_INC_STDLIB |
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40 | #include BC_INC_STDLIB |
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41 | #endif |
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42 | #include "sysbase.h" |
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43 | #include "cpar.h" |
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44 | #include "earthloc.h" |
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45 | #include "glusrdef.h" |
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46 | #include "erusrdef.h" |
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47 | #include "tcusrdef.h" |
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48 | #include "eventdsc.h" |
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49 | |
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50 | |
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51 | /* constants */ |
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52 | #define cPtStatLth 5 |
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53 | #define cPtMaxPhases 100 |
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54 | |
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55 | |
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56 | /* types */ |
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57 | typedef struct { |
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58 | char station[cPtStatLth+1]; /* station code */ |
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59 | double slat; /* station latitude in deg */ |
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60 | double slon; /* station longitude in deg */ |
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61 | float elev; /* station elevation */ |
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62 | char abstime[cBcTimeLth+1]; /* absolute onset time */ |
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63 | float reltime; /* relative onset time */ |
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64 | float epidist; /* epicentral distance */ |
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65 | float resid; /* computed relidual for best fit */ |
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66 | char phase[EvPHASELTH+1]; /* phase name */ |
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67 | } TPtReltime; |
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68 | |
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69 | |
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70 | /* global variables */ |
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71 | static TPtReltime tpv_inf[cPtMaxPhases]; /* phase info */ |
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72 | |
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73 | |
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74 | |
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75 | int main( int argc, char *argv[] ) |
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76 | { |
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77 | /* local variables */ |
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78 | char *inputs; /* pointer to environment variables */ |
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79 | char str[cBcLineLth+1]; /* scratch string */ |
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80 | char evtfile[cBcFileLth+1]; /* evt filename */ |
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81 | FILE *evt; /* pointer to evt file */ |
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82 | EvEventT phinf; /* phase info */ |
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83 | TSyBoolean eof; /* EOF found */ |
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84 | TSyStatus status; /* return status */ |
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85 | int phcnt; /* phase counter */ |
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86 | int i; /* counter */ |
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87 | char origin[cBcTimeLth+1]; /* origin time */ |
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88 | GLT_STATINF statinf; /* station info */ |
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89 | float epilat, epilon; /* epicenter */ |
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90 | double d_dist, d_azim, d_bazim; /* epicentral distance, azimuths */ |
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91 | TSyBoolean longdesc; /* for longdesc entry */ |
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92 | TSyBoolean origok; /* origin time found */ |
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93 | TSyBoolean epicok; /* epicentre found */ |
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94 | |
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95 | /* executable code */ |
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96 | |
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97 | status = cBcNoError; |
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98 | |
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99 | pa_init( argc, argv ); |
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100 | if (pa_pnumber() != 1) { |
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101 | fprintf( stderr, "Usage: %s <evtfile>\n", |
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102 | pa_progname() ); |
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103 | return 1; |
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104 | } /*endif*/ |
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105 | |
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106 | /* get parameters (overwrite defaults) */ |
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107 | strcpy( evtfile, pa_pvalue(1) ); |
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108 | |
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109 | longdesc = pa_qspecified( "-longdesc" ); |
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110 | |
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111 | /* initialization of libraries */ |
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112 | inputs = (char *)getenv( "SH_INPUTS" ); |
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113 | if (inputs == NULL) { |
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114 | fprintf( stderr, "%s: environment SH_INPUTS not set\n", pa_progname() ); |
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115 | return 1; |
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116 | } /*endif*/ |
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117 | /* station location file */ |
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118 | strcpy( str, inputs ); |
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119 | strcat( str, "/" ); |
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120 | strcat( str, "STATINF.DAT" ); |
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121 | gl_locfile_name( str ); |
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122 | |
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123 | #ifdef XXX |
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124 | /* travel time tables */ |
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125 | strcpy( str, inputs ); |
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126 | strcat( str, "/" ); |
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127 | status = cBcNoError; |
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128 | pt_settabledir( str, &status ); |
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129 | if (SySevere(&status)) err_writemsg( status, "", TRUE ); |
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130 | #endif |
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131 | |
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132 | evt = fopen( evtfile, "r" ); |
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133 | if (evt == NULL) { |
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134 | fprintf( stderr, "%s: input file %s not found. Abort.\n", |
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135 | pa_progname(), evtfile ); |
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136 | return 1; |
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137 | } /*endif*/ |
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138 | |
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139 | /* read through all phases */ |
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140 | eof = FALSE; |
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141 | phcnt = 0; |
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142 | *origin = '\0'; |
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143 | epilat = epilon = 0.0; |
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144 | FOREVER { |
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145 | |
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146 | EvInitializeEvent( &phinf ); |
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147 | EvGetEvent( evt, &phinf, &eof, &status ); |
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148 | if (eof) break; |
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149 | if (phcnt == cPtMaxPhases) { |
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150 | fprintf( stderr, "%s: too many phases. Abort.\n", pa_progname() ); |
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151 | exit( 1 ); |
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152 | } /*endif*/ |
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153 | |
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154 | if (strcmp(phinf.phase,"L") == 0) continue; |
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155 | if (strcmp(phinf.phase,"X") == 0) continue; |
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156 | if (strcmp(phinf.station,"BEAM") == 0) continue; |
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157 | if (strcmp(phinf.station,"ALIGN") == 0) continue; |
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158 | |
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159 | strcpy( tpv_inf[phcnt].station, phinf.station ); |
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160 | strcpy( tpv_inf[phcnt].phase, phinf.phase ); |
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161 | strcpy( tpv_inf[phcnt].abstime, phinf.onset_time ); |
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162 | |
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163 | if (phinf.origin_time[0] != '\0') strcpy( origin, phinf.origin_time ); |
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164 | if (phinf.latitude != EvEMPTY_LATITUDE) epilat = phinf.latitude; |
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165 | if (phinf.longitude != EvEMPTY_LONGITUDE) epilon = phinf.longitude; |
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166 | |
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167 | phcnt++; |
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168 | |
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169 | } /*endwhile*/ |
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170 | |
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171 | fclose( evt ); |
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172 | |
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173 | origok = epicok = TRUE; |
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174 | if (*origin == '\0') { |
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175 | if (longdesc) { |
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176 | origok = FALSE; |
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177 | } else { |
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178 | fprintf( stderr, "%s: no origin time found in %s. Abort.\n", |
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179 | pa_progname(), evtfile ); |
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180 | exit( 1 ); |
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181 | } /*endif*/ |
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182 | } /*endif*/ |
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183 | if (epilat == 0.0 && epilon == 0.0) { |
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184 | if (longdesc) { |
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185 | epicok = FALSE; |
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186 | } else { |
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187 | fprintf( stderr, "%s: no epicenter found in %s. Abort.\n", |
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188 | pa_progname(), evtfile ); |
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189 | exit( 1 ); |
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190 | } /*endif*/ |
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191 | } /*endif*/ |
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192 | |
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193 | for (i=0; i<phcnt; i++) { |
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194 | if (!origok || !epicok) { |
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195 | tpv_inf[i].reltime = 0.0; |
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196 | tpv_inf[i].epidist = 0.0; |
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197 | continue; |
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198 | } /*endif*/ |
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199 | tpv_inf[i].reltime = tc_tdiff( tpv_inf[i].abstime, origin, &status ); |
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200 | if (SySevere(&status)) err_writemsg( status, "", TRUE ); |
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201 | gl_statinf( tpv_inf[i].station, &statinf, &status ); |
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202 | if (SySevere(&status)) err_writemsg( status, "", TRUE ); |
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203 | mb_locdiff( statinf.lat, statinf.lon, (double)epilat, (double)epilon, |
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204 | &d_dist, &d_azim, &d_bazim ); |
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205 | tpv_inf[i].epidist = (float)d_dist * 111.19; |
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206 | } /*endif*/ |
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207 | |
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208 | if (longdesc) { |
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209 | for (i=0; i<phcnt; i++) { |
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210 | printf( "%-5s time: %s phase: %-6s", tpv_inf[i].station, |
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211 | tpv_inf[i].abstime, tpv_inf[i].phase ); |
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212 | if (origok && epicok) |
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213 | printf( "ttime: %7.2f dist: %8.1f", |
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214 | tpv_inf[i].reltime, tpv_inf[i].epidist ); |
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215 | printf( "\n" ); |
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216 | } /*endif*/ |
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217 | } else { |
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218 | for (i=0; i<phcnt; i++) { |
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219 | printf( "%-4s %-5s %7.2f %8.1f %s\n", tpv_inf[i].phase, |
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220 | tpv_inf[i].station, tpv_inf[i].reltime, tpv_inf[i].epidist, |
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221 | tpv_inf[i].abstime ); |
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222 | } /*endif*/ |
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223 | } /*endif*/ |
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224 | |
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225 | return 0; |
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226 | |
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227 | } /* end of main */ |
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228 | |
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229 | |
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230 | |
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