1 | /* datain.c |
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2 | * Reads in survey files, dealing with special characters, keywords & data |
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3 | * Copyright (C) 1991-2002 Olly Betts |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | */ |
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19 | |
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20 | #ifdef HAVE_CONFIG_H |
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21 | #include <config.h> |
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22 | #endif |
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23 | |
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24 | #include <limits.h> |
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25 | #include <stdarg.h> |
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26 | |
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27 | #include "debug.h" |
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28 | #include "cavern.h" |
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29 | #include "filename.h" |
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30 | #include "message.h" |
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31 | #include "filelist.h" |
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32 | #include "netbits.h" |
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33 | #include "netskel.h" |
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34 | #include "readval.h" |
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35 | #include "datain.h" |
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36 | #include "commands.h" |
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37 | #include "out.h" |
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38 | #include "str.h" |
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39 | |
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40 | #define EPSILON (REAL_EPSILON * 1000) |
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41 | |
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42 | #define MAX_KEYWORD_LEN 16 |
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43 | |
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44 | #define PRINT_COMMENT 0 |
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45 | |
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46 | #define var(I) (pcs->Var[(I)]) |
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47 | |
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48 | int ch; |
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49 | |
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50 | /* Don't explicitly initialise as we can't set the jmp_buf - this has |
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51 | * static scope so will be initialised like this anyway */ |
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52 | parse file /* = { NULL, NULL, 0, fFalse, NULL } */ ; |
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53 | |
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54 | bool f_export_ok; |
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55 | |
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56 | static filepos fpLineStart; |
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57 | |
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58 | void |
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59 | get_pos(filepos *fp) |
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60 | { |
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61 | fp->ch = ch; |
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62 | fp->offset = ftell(file.fh); |
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63 | if (fp->offset == -1) |
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64 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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65 | } |
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66 | |
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67 | void |
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68 | set_pos(const filepos *fp) |
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69 | { |
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70 | ch = fp->ch; |
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71 | if (fseek(file.fh, fp->offset, SEEK_SET) == -1) |
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72 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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73 | } |
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74 | |
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75 | static void |
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76 | push_back(int c) |
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77 | { |
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78 | if (c != EOF && ungetc(c, file.fh) == EOF) |
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79 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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80 | } |
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81 | |
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82 | static void |
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83 | error_list_parent_files(void) |
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84 | { |
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85 | if (!file.reported_where && file.parent) { |
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86 | parse *p = file.parent; |
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87 | const char *m = msg(/*In file included from*/5); |
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88 | size_t len = strlen(m); |
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89 | |
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90 | fprintf(STDERR, m); |
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91 | m = msg(/*from*/3); |
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92 | |
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93 | /* Suppress reporting of full include tree for further errors |
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94 | * in this file */ |
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95 | file.reported_where = fTrue; |
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96 | |
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97 | while (p) { |
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98 | /* Force re-report of include tree for further errors in |
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99 | * parent files */ |
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100 | p->reported_where = fFalse; |
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101 | fprintf(STDERR, " %s:%d", p->filename, p->line); |
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102 | p = p->parent; |
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103 | if (p) fprintf(STDERR, ",\n%*s", (int)len, m); |
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104 | } |
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105 | fprintf(STDERR, ":\n"); |
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106 | } |
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107 | } |
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108 | |
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109 | void |
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110 | compile_error(int en, ...) |
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111 | { |
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112 | va_list ap; |
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113 | va_start(ap, en); |
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114 | error_list_parent_files(); |
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115 | v_report(1, file.filename, file.line, en, ap); |
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116 | va_end(ap); |
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117 | } |
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118 | |
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119 | void |
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120 | compile_error_token(int en) |
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121 | { |
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122 | char *p = NULL; |
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123 | static int len; |
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124 | s_zero(&p); |
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125 | skipblanks(); |
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126 | while (!isBlank(ch) && !isEol(ch)) { |
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127 | s_catchar(&p, &len, ch); |
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128 | nextch(); |
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129 | } |
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130 | compile_error(en, p ? p : ""); |
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131 | osfree(p); |
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132 | skipline(); |
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133 | } |
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134 | |
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135 | void |
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136 | compile_warning(int en, ...) |
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137 | { |
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138 | va_list ap; |
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139 | va_start(ap, en); |
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140 | error_list_parent_files(); |
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141 | v_report(0, file.filename, file.line, en, ap); |
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142 | va_end(ap); |
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143 | } |
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144 | |
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145 | /* This function makes a note where to put output files */ |
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146 | static void |
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147 | using_data_file(const char *fnm) |
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148 | { |
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149 | if (!fnm_output_base) { |
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150 | /* was: fnm_output_base = base_from_fnm(fnm); */ |
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151 | fnm_output_base = baseleaf_from_fnm(fnm); |
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152 | } else if (fnm_output_base_is_dir) { |
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153 | /* --output pointed to directory so use the leaf basename in that dir */ |
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154 | char *lf, *p; |
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155 | lf = baseleaf_from_fnm(fnm); |
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156 | p = use_path(fnm_output_base, lf); |
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157 | osfree(lf); |
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158 | osfree(fnm_output_base); |
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159 | fnm_output_base = p; |
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160 | fnm_output_base_is_dir = 0; |
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161 | } |
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162 | } |
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163 | |
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164 | static void |
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165 | skipword(void) |
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166 | { |
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167 | while (!isBlank(ch) && !isEol(ch)) nextch(); |
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168 | } |
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169 | |
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170 | extern void |
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171 | skipblanks(void) |
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172 | { |
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173 | while (isBlank(ch)) nextch(); |
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174 | } |
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175 | |
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176 | extern void |
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177 | skipline(void) |
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178 | { |
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179 | while (!isEol(ch)) nextch(); |
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180 | } |
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181 | |
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182 | #ifndef NO_PERCENTAGE |
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183 | static long int filelen; |
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184 | #endif |
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185 | |
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186 | static void |
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187 | process_bol(void) |
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188 | { |
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189 | /* Note start of line for error reporting */ |
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190 | get_pos(&fpLineStart); |
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191 | |
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192 | #ifndef NO_PERCENTAGE |
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193 | /* print %age of file done */ |
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194 | if (filelen > 0) |
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195 | printf("%d%%\r", (int)(100 * fpLineStart.offset / filelen)); |
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196 | #endif |
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197 | |
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198 | nextch(); |
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199 | skipblanks(); |
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200 | } |
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201 | |
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202 | static void |
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203 | process_eol(void) |
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204 | { |
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205 | int eolchar; |
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206 | |
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207 | skipblanks(); |
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208 | |
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209 | if (!isEol(ch)) { |
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210 | if (!isComm(ch)) compile_error(/*End of line not blank*/15); |
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211 | skipline(); |
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212 | } |
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213 | |
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214 | eolchar = ch; |
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215 | file.line++; |
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216 | /* skip any different eol characters so we get line counts correct on |
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217 | * DOS text files and similar, but don't count several adjacent blank |
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218 | * lines as one */ |
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219 | while (ch != EOF) { |
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220 | nextch(); |
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221 | if (ch == eolchar || !isEol(ch)) { |
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222 | push_back(ch); |
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223 | break; |
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224 | } |
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225 | } |
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226 | } |
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227 | |
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228 | static bool |
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229 | process_non_data_line(void) |
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230 | { |
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231 | process_bol(); |
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232 | |
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233 | if (isData(ch)) return fFalse; |
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234 | |
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235 | if (isKeywd(ch)) { |
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236 | nextch(); |
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237 | handle_command(); |
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238 | } |
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239 | |
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240 | process_eol(); |
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241 | |
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242 | return fTrue; |
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243 | } |
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244 | |
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245 | extern void |
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246 | data_file(const char *pth, const char *fnm) |
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247 | { |
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248 | int begin_lineno_store; |
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249 | parse file_store; |
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250 | |
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251 | { |
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252 | char *filename; |
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253 | FILE *fh; |
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254 | if (!pth) { |
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255 | /* file specified on command line - don't do special translation */ |
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256 | fh = fopenWithPthAndExt(pth, fnm, EXT_SVX_DATA, "rb", &filename); |
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257 | } else { |
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258 | fh = fopen_portable(pth, fnm, EXT_SVX_DATA, "rb", &filename); |
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259 | } |
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260 | |
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261 | if (fh == NULL) { |
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262 | compile_error(/*Couldn't open data file `%s'*/24, fnm); |
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263 | return; |
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264 | } |
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265 | |
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266 | file_store = file; |
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267 | if (file.fh) file.parent = &file_store; |
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268 | file.fh = fh; |
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269 | file.filename = filename; |
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270 | file.line = 1; |
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271 | file.reported_where = fFalse; |
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272 | } |
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273 | |
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274 | if (fPercent) printf("%s:\n", fnm); |
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275 | |
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276 | using_data_file(file.filename); |
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277 | |
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278 | begin_lineno_store = pcs->begin_lineno; |
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279 | pcs->begin_lineno = 0; |
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280 | |
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281 | #ifndef NO_PERCENTAGE |
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282 | /* Try to find how long the file is... |
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283 | * However, under ANSI fseek( ..., SEEK_END) may not be supported */ |
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284 | filelen = 0; |
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285 | if (fPercent) { |
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286 | if (fseek(file.fh, 0l, SEEK_END) == 0) { |
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287 | filepos fp; |
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288 | get_pos(&fp); |
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289 | filelen = fp.offset; |
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290 | } |
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291 | rewind(file.fh); /* reset file ptr to start & clear any error state */ |
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292 | } |
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293 | #endif |
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294 | |
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295 | #ifdef HAVE_SETJMP_H |
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296 | /* errors in nested functions can longjmp here */ |
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297 | if (setjmp(file.jbSkipLine)) { |
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298 | process_eol(); |
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299 | } |
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300 | #endif |
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301 | |
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302 | while (!feof(file.fh) && !ferror(file.fh)) { |
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303 | if (!process_non_data_line()) { |
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304 | int r; |
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305 | #ifdef NEW3DFORMAT |
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306 | twig *temp = limb; |
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307 | #endif |
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308 | f_export_ok = fFalse; |
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309 | switch (pcs->style) { |
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310 | case STYLE_NORMAL: |
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311 | case STYLE_DIVING: |
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312 | case STYLE_CYLPOLAR: |
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313 | r = data_normal(); |
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314 | break; |
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315 | case STYLE_CARTESIAN: |
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316 | r = data_cartesian(); |
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317 | break; |
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318 | case STYLE_NOSURVEY: |
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319 | r = data_nosurvey(); |
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320 | break; |
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321 | case STYLE_IGNORE: |
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322 | r = data_ignore(); |
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323 | break; |
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324 | default: |
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325 | BUG("bad style"); |
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326 | } |
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327 | /* style function returns 0 => error */ |
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328 | if (!r) { |
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329 | #ifdef NEW3DFORMAT |
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330 | /* we have just created a very naughty twiglet, and it must be |
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331 | * punished */ |
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332 | osfree(limb); |
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333 | limb = temp; |
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334 | #endif |
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335 | } |
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336 | } |
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337 | } |
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338 | |
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339 | /* don't allow *BEGIN at the end of a file, then *EXPORT in the |
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340 | * including file */ |
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341 | f_export_ok = fFalse; |
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342 | |
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343 | #ifndef NO_PERCENTAGE |
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344 | if (fPercent) putnl(); |
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345 | #endif |
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346 | |
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347 | if (pcs->begin_lineno) { |
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348 | error_in_file(file.filename, pcs->begin_lineno, |
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349 | /*BEGIN with no matching END in this file*/23); |
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350 | /* Implicitly close any unclosed BEGINs from this file */ |
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351 | do { |
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352 | settings *pcsParent = pcs->next; |
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353 | ASSERT(pcsParent); |
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354 | free_settings(pcs); |
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355 | pcs = pcsParent; |
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356 | } while (pcs->begin_lineno); |
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357 | } |
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358 | |
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359 | pcs->begin_lineno = begin_lineno_store; |
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360 | |
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361 | if (ferror(file.fh)) |
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362 | fatalerror_in_file(file.filename, 0, /*Error reading file*/18); |
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363 | |
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364 | (void)fclose(file.fh); |
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365 | |
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366 | file = file_store; |
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367 | |
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368 | /* don't free this - it may be pointed to by prefix.file */ |
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369 | /* osfree(file.filename); */ |
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370 | } |
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371 | |
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372 | static real |
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373 | handle_plumb(bool *pfPlumbed) |
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374 | { |
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375 | typedef enum { |
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376 | CLINO_NULL=-1, CLINO_UP, CLINO_DOWN, CLINO_LEVEL |
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377 | } clino_tok; |
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378 | static sztok clino_tab[] = { |
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379 | {"D", CLINO_DOWN}, |
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380 | {"DOWN", CLINO_DOWN}, |
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381 | {"H", CLINO_LEVEL}, |
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382 | {"LEVEL", CLINO_LEVEL}, |
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383 | {"U", CLINO_UP}, |
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384 | {"UP", CLINO_UP}, |
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385 | {NULL, CLINO_NULL} |
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386 | }; |
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387 | static real clinos[] = {(real)M_PI_2,(real)(-M_PI_2),(real)0.0}; |
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388 | clino_tok tok; |
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389 | |
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390 | skipblanks(); |
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391 | if (isalpha(ch)) { |
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392 | filepos fp; |
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393 | get_pos(&fp); |
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394 | get_token(); |
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395 | tok = match_tok(clino_tab, TABSIZE(clino_tab)); |
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396 | if (tok != CLINO_NULL) { |
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397 | *pfPlumbed = fTrue; |
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398 | return clinos[tok]; |
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399 | } |
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400 | set_pos(&fp); |
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401 | } else if (isSign(ch)) { |
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402 | int chOld = ch; |
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403 | nextch(); |
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404 | if (toupper(ch) == 'V') { |
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405 | nextch(); |
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406 | *pfPlumbed = fTrue; |
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407 | return (!isMinus(chOld) ? M_PI_2 : -M_PI_2); |
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408 | } |
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409 | |
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410 | if (isOmit(chOld)) { |
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411 | *pfPlumbed = fFalse; |
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412 | /* no clino reading, so assume 0 with large sd */ |
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413 | return (real)0.0; |
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414 | } |
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415 | } |
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416 | return HUGE_REAL; |
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417 | } |
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418 | |
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419 | static int |
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420 | process_normal(prefix *fr, prefix *to, real tape, real comp, real clin, |
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421 | bool fToFirst, bool fNoClino, bool fPlumbed) |
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422 | { |
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423 | real dx, dy, dz; |
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424 | real vx, vy, vz; |
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425 | #ifndef NO_COVARIANCES |
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426 | real cxy, cyz, czx; |
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427 | #endif |
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428 | |
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429 | bool fNoComp; |
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430 | |
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431 | /* adjusted tape is negative -- probably the calibration is wrong */ |
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432 | if (tape < (real)0.0) { |
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433 | /* TRANSLATE different message for topofil? */ |
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434 | compile_warning(/*Negative adjusted tape reading*/79); |
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435 | } |
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436 | |
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437 | fNoComp = (comp == HUGE_REAL); |
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438 | if (!fNoComp) { |
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439 | comp *= pcs->units[Q_BEARING]; |
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440 | if (comp < (real)0.0 || comp - M_PI * 2.0 > EPSILON) { |
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441 | compile_warning(/*Suspicious compass reading*/59); |
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442 | } |
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443 | } |
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444 | |
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445 | if (!fPlumbed && !fNoClino) { |
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446 | clin *= pcs->units[Q_GRADIENT]; |
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447 | if (fabs(clin) - M_PI_2 > EPSILON) { |
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448 | compile_warning(/*Clino reading over 90 degrees (absolute value)*/51); |
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449 | } |
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450 | } |
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451 | |
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452 | if ((fPlumbed && clin != (real)0) || |
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453 | (pcs->f90Up && (fabs(clin - M_PI_2) < EPSILON))) { |
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454 | /* plumbed */ |
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455 | if (!fNoComp) { |
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456 | compile_warning(/*Compass reading given on plumbed leg*/21); |
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457 | } |
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458 | |
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459 | dx = dy = (real)0.0; |
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460 | dz = (clin > (real)0.0) ? tape : -tape; |
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461 | vx = vy = var(Q_POS) / 3.0 + dz * dz * var(Q_PLUMB); |
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462 | vz = var(Q_POS) / 3.0 + var(Q_LENGTH); |
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463 | #ifndef NO_COVARIANCES |
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464 | /* Correct values - no covariances in this case! */ |
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465 | cxy = cyz = czx = (real)0.0; |
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466 | #endif |
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467 | } else { |
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468 | /* clino */ |
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469 | real L2, cosG, LcosG, cosG2, sinB, cosB, dx2, dy2, dz2, v, V; |
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470 | if (fNoComp) { |
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471 | compile_error(/*Compass reading may not be omitted except on plumbed legs*/14); |
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472 | skipline(); |
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473 | return 0; |
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474 | } |
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475 | if (tape == (real)0.0) { |
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476 | dx = dy = dz = (real)0.0; |
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477 | vx = vy = vz = (real)(var(Q_POS) / 3.0); /* Position error only */ |
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478 | #ifndef NO_COVARIANCES |
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479 | cxy = cyz = czx = (real)0.0; |
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480 | #endif |
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481 | #if DEBUG_DATAIN_1 |
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482 | printf("Zero length leg: vx = %f, vy = %f, vz = %f\n", vx, vy, vz); |
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483 | #endif |
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484 | } else { |
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485 | real sinGcosG; |
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486 | comp = (comp - pcs->z[Q_BEARING]) * pcs->sc[Q_BEARING]; |
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487 | comp -= pcs->z[Q_DECLINATION]; |
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488 | /* LEVEL case */ |
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489 | if (!fPlumbed && !fNoClino) |
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490 | clin = (clin - pcs->z[Q_GRADIENT]) * pcs->sc[Q_GRADIENT]; |
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491 | /* |
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492 | printf("fPlumbed %d fNoClino %d\n",fPlumbed,fNoClino); |
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493 | printf("clin %.2f\n",clin); |
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494 | */ |
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495 | |
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496 | #if DEBUG_DATAIN |
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497 | printf(" %4.2f %4.2f %4.2f\n", tape, comp, clin); |
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498 | #endif |
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499 | cosG = cos(clin); |
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500 | LcosG = tape * cosG; |
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501 | sinB = sin(comp); |
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502 | cosB = cos(comp); |
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503 | #if DEBUG_DATAIN_1 |
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504 | printf("sinB = %f, cosG = %f, LcosG = %f\n", sinB, cosG, LcosG); |
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505 | #endif |
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506 | dx = LcosG * sinB; |
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507 | dy = LcosG * cosB; |
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508 | dz = tape * sin(clin); |
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509 | /* printf("%.2f\n",clin); */ |
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510 | #if DEBUG_DATAIN_1 |
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511 | printf("dx = %f\ndy = %f\ndz = %f\n", dx, dy, dz); |
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512 | #endif |
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513 | dx2 = dx * dx; |
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514 | L2 = tape * tape; |
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515 | V = var(Q_LENGTH) / L2; |
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516 | dy2 = dy * dy; |
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517 | cosG2 = cosG * cosG; |
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518 | sinGcosG = sin(clin) * cosG; |
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519 | dz2 = dz * dz; |
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520 | #ifdef NO_COVARIANCES |
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521 | /* take into account variance in LEVEL case */ |
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522 | v = dz2 * var(fPlumbed ? Q_LEVEL : Q_GRADIENT); |
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523 | vx = (var(Q_POS) / 3.0 + dx2 * V + dy2 * var(Q_BEARING) + |
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524 | (.5 + sinB * sinB * cosG2) * v); |
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525 | vy = (var(Q_POS) / 3.0 + dy2 * V + dx2 * var(Q_BEARING) + |
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526 | (.5 + cosB * cosB * cosG2) * v); |
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527 | if (!fNoClino) |
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528 | vz = (var(Q_POS) / 3.0 + dz2 * V + L2 * cosG2 * var(Q_GRADIENT)); |
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529 | else |
---|
530 | vz = (var(Q_POS) / 3.0 + L2 * (real)0.1); |
---|
531 | /* if no clino, assume sd=tape/sqrt(10) so 3sds = .95*tape */ |
---|
532 | /* for Surveyor87 errors: vx=vy=vz=var(Q_POS)/3.0; */ |
---|
533 | #else |
---|
534 | /* take into account variance in LEVEL case */ |
---|
535 | v = dz2 * var(fPlumbed ? Q_LEVEL : Q_GRADIENT); |
---|
536 | vx = var(Q_POS) / 3.0 + dx2 * V + dy2 * var(Q_BEARING) + |
---|
537 | (sinB * sinB * v); |
---|
538 | vy = var(Q_POS) / 3.0 + dy2 * V + dx2 * var(Q_BEARING) + |
---|
539 | (cosB * cosB * v); |
---|
540 | if (!fNoClino) |
---|
541 | vz = (var(Q_POS) / 3.0 + dz2 * V + L2 * cosG2 * var(Q_GRADIENT)); |
---|
542 | else |
---|
543 | vz = (var(Q_POS) / 3.0 + L2 * (real)0.1); |
---|
544 | /* if no clino, assume sd=tape/sqrt(10) so 3sds = .95*tape */ |
---|
545 | /* usual covariance formulae are fine in no clino case since |
---|
546 | * dz = 0 so value of var(Q_GRADIENT) is ignored */ |
---|
547 | cxy = sinB * cosB * (var(Q_LENGTH) * cosG2 + var(Q_GRADIENT) * dz2) |
---|
548 | - var(Q_BEARING) * dx * dy; |
---|
549 | czx = var(Q_LENGTH) * sinB * sinGcosG - var(Q_GRADIENT) * dx * dz; |
---|
550 | cyz = var(Q_LENGTH) * cosB * sinGcosG - var(Q_GRADIENT) * dy * dz; |
---|
551 | #if 0 |
---|
552 | printf("vx = %6.3f, vy = %6.3f, vz = %6.3f\n", vx, vy, vz); |
---|
553 | printf("cxy = %6.3f, cyz = %6.3f, czx = %6.3f\n", cxy, cyz, czx); |
---|
554 | #endif |
---|
555 | #if 0 |
---|
556 | cxy = cyz = czx = (real)0.0; /* for now */ |
---|
557 | #endif |
---|
558 | #endif |
---|
559 | #if DEBUG_DATAIN_1 |
---|
560 | printf("In DATAIN.C, vx = %f, vy = %f, vz = %f\n", vx, vy, vz); |
---|
561 | #endif |
---|
562 | } |
---|
563 | } |
---|
564 | #if DEBUG_DATAIN_1 |
---|
565 | printf("Just before addleg, vx = %f\n", vx); |
---|
566 | #endif |
---|
567 | /*printf("dx,dy,dz = %.2f %.2f %.2f\n\n", dx, dy, dz);*/ |
---|
568 | addlegbyname(fr, to, fToFirst, dx, dy, dz, vx, vy, vz |
---|
569 | #ifndef NO_COVARIANCES |
---|
570 | , cyz, czx, cxy |
---|
571 | #endif |
---|
572 | ); |
---|
573 | |
---|
574 | #ifdef NEW3DFORMAT |
---|
575 | if (fUseNewFormat) { |
---|
576 | /* new twiglet and insert into twig tree */ |
---|
577 | twig *twiglet = osnew(twig); |
---|
578 | twiglet->from = fr; |
---|
579 | twiglet->to = to; |
---|
580 | twiglet->down = twiglet->right = NULL; |
---|
581 | twiglet->source = twiglet->drawings |
---|
582 | = twiglet->date = twiglet->instruments = twiglet->tape = NULL; |
---|
583 | twiglet->up = limb->up; |
---|
584 | limb->right = twiglet; |
---|
585 | limb = twiglet; |
---|
586 | |
---|
587 | /* record pre-fettling deltas */ |
---|
588 | twiglet->delta[0] = dx; |
---|
589 | twiglet->delta[1] = dy; |
---|
590 | twiglet->delta[2] = dz; |
---|
591 | } |
---|
592 | #endif |
---|
593 | return 1; |
---|
594 | } |
---|
595 | |
---|
596 | static int |
---|
597 | process_diving(prefix *fr, prefix *to, real tape, real comp, |
---|
598 | real frdepth, real todepth, bool fToFirst, bool fDepthChange) |
---|
599 | { |
---|
600 | real dx, dy, dz; |
---|
601 | real vx, vy, vz; |
---|
602 | #ifndef NO_COVARIANCES |
---|
603 | real cxy = 0, cyz = 0, czx = 0; |
---|
604 | #endif |
---|
605 | |
---|
606 | if (comp != HUGE_REAL) { |
---|
607 | comp *= pcs->units[Q_BEARING]; |
---|
608 | if (comp < (real)0.0 || comp - M_PI * 2.0 > EPSILON) { |
---|
609 | compile_warning(/*Suspicious compass reading*/59); |
---|
610 | } |
---|
611 | } |
---|
612 | |
---|
613 | /* depth gauge readings increase upwards with default calibration */ |
---|
614 | if (fDepthChange) { |
---|
615 | ASSERT(frdepth == 0.0); |
---|
616 | dz = (todepth * pcs->units[Q_DEPTH] - pcs->z[Q_DEPTH]) * pcs->sc[Q_DEPTH]; |
---|
617 | } else { |
---|
618 | dz = (todepth - frdepth) * pcs->units[Q_DEPTH] * pcs->sc[Q_DEPTH]; |
---|
619 | } |
---|
620 | |
---|
621 | /* adjusted tape is negative -- probably the calibration is wrong */ |
---|
622 | if (tape < (real)0.0) { |
---|
623 | compile_warning(/*Negative adjusted tape reading*/79); |
---|
624 | } |
---|
625 | |
---|
626 | /* check if tape is less than depth change */ |
---|
627 | if (tape < fabs(dz)) { |
---|
628 | /* FIXME: allow margin of error based on variances? */ |
---|
629 | compile_warning(/*Tape reading is less than change in depth*/62); |
---|
630 | } |
---|
631 | |
---|
632 | if (tape == (real)0.0 && dz == 0.0) { |
---|
633 | dx = dy = dz = (real)0.0; |
---|
634 | vx = vy = vz = (real)(var(Q_POS) / 3.0); /* Position error only */ |
---|
635 | } else if (comp == HUGE_REAL) { |
---|
636 | /* plumb */ |
---|
637 | dx = dy = (real)0.0; |
---|
638 | if (dz < 0) tape = -tape; |
---|
639 | dz = (dz * var(Q_LENGTH) + tape * 2 * var(Q_DEPTH)) |
---|
640 | / (var(Q_LENGTH) * 2 * var(Q_DEPTH)); |
---|
641 | vx = vy = var(Q_POS) / 3.0 + dz * dz * var(Q_PLUMB); |
---|
642 | vz = var(Q_POS) / 3.0 + var(Q_LENGTH) * 2 * var(Q_DEPTH) |
---|
643 | / (var(Q_LENGTH) + var(Q_DEPTH)); |
---|
644 | } else { |
---|
645 | real L2, sinB, cosB, dz2, D2; |
---|
646 | comp = (comp - pcs->z[Q_BEARING]) * pcs->sc[Q_BEARING]; |
---|
647 | comp -= pcs->z[Q_DECLINATION]; |
---|
648 | sinB = sin(comp); |
---|
649 | cosB = cos(comp); |
---|
650 | L2 = tape * tape; |
---|
651 | dz2 = dz * dz; |
---|
652 | D2 = L2 - dz2; |
---|
653 | if (D2 <= (real)0.0) { |
---|
654 | real vsum = var(Q_LENGTH) + 2 * var(Q_DEPTH); |
---|
655 | dx = dy = (real)0.0; |
---|
656 | vx = vy = var(Q_POS) / 3.0; |
---|
657 | vz = var(Q_POS) / 3.0 + var(Q_LENGTH) * 2 * var(Q_DEPTH) / vsum; |
---|
658 | if (dz > 0) { |
---|
659 | dz = (dz * var(Q_LENGTH) + tape * 2 * var(Q_DEPTH)) / vsum; |
---|
660 | } else { |
---|
661 | dz = (dz * var(Q_LENGTH) - tape * 2 * var(Q_DEPTH)) / vsum; |
---|
662 | } |
---|
663 | } else { |
---|
664 | real D = sqrt(D2); |
---|
665 | real F = var(Q_LENGTH) * L2 + 2 * var(Q_DEPTH) * D2; |
---|
666 | dx = D * sinB; |
---|
667 | dy = D * cosB; |
---|
668 | |
---|
669 | vx = var(Q_POS) / 3.0 + |
---|
670 | sinB * sinB * F / D2 + var(Q_BEARING) * dy * dy; |
---|
671 | vy = var(Q_POS) / 3.0 + |
---|
672 | cosB * cosB * F / D2 + var(Q_BEARING) * dx * dx; |
---|
673 | vz = var(Q_POS) / 3.0 + 2 * var(Q_DEPTH); |
---|
674 | |
---|
675 | #ifndef NO_COVARIANCES |
---|
676 | cxy = sinB * cosB * (F / D2 + var(Q_BEARING) * D2); |
---|
677 | cyz = -2 * var(Q_DEPTH) * dy / D; |
---|
678 | czx = -2 * var(Q_DEPTH) * dx / D; |
---|
679 | #endif |
---|
680 | } |
---|
681 | } |
---|
682 | addlegbyname(fr, to, fToFirst, dx, dy, dz, vx, vy, vz |
---|
683 | #ifndef NO_COVARIANCES |
---|
684 | , cxy, cyz, czx |
---|
685 | #endif |
---|
686 | ); |
---|
687 | #ifdef NEW3DFORMAT |
---|
688 | if (fUseNewFormat) { |
---|
689 | /*new twiglet and insert into twig tree*/ |
---|
690 | twig *twiglet = osnew(twig); |
---|
691 | twiglet->from = fr; |
---|
692 | twiglet->to = to; |
---|
693 | twiglet->down = twiglet->right = NULL; |
---|
694 | twiglet->source = twiglet->drawings |
---|
695 | = twiglet->date = twiglet->instruments = twiglet->tape = NULL; |
---|
696 | twiglet->up = limb->up; |
---|
697 | limb->right = twiglet; |
---|
698 | limb = twiglet; |
---|
699 | |
---|
700 | /* record pre-fettling deltas */ |
---|
701 | twiglet->delta[0] = dx; |
---|
702 | twiglet->delta[1] = dy; |
---|
703 | twiglet->delta[2] = dz; |
---|
704 | } |
---|
705 | #endif |
---|
706 | |
---|
707 | return 1; |
---|
708 | } |
---|
709 | |
---|
710 | static int |
---|
711 | process_cartesian(prefix *fr, prefix *to, real dx, real dy, real dz, |
---|
712 | bool fToFirst) |
---|
713 | { |
---|
714 | dx = (dx * pcs->units[Q_DX] - pcs->z[Q_DX]) * pcs->sc[Q_DX]; |
---|
715 | dy = (dy * pcs->units[Q_DY] - pcs->z[Q_DY]) * pcs->sc[Q_DY]; |
---|
716 | dz = (dz * pcs->units[Q_DZ] - pcs->z[Q_DZ]) * pcs->sc[Q_DZ]; |
---|
717 | |
---|
718 | addlegbyname(fr, to, fToFirst, dx, dy, dz, var(Q_DX), var(Q_DY), var(Q_DZ) |
---|
719 | #ifndef NO_COVARIANCES |
---|
720 | , 0, 0, 0 |
---|
721 | #endif |
---|
722 | ); |
---|
723 | |
---|
724 | #ifdef NEW3DFORMAT |
---|
725 | if (fUseNewFormat) { |
---|
726 | /* new twiglet and insert into twig tree */ |
---|
727 | twig *twiglet = osnew(twig); |
---|
728 | twiglet->from = fr; |
---|
729 | twiglet->to = to; |
---|
730 | twiglet->down = twiglet->right = NULL; |
---|
731 | twiglet->source = twiglet->drawings |
---|
732 | = twiglet->date = twiglet->instruments = twiglet->tape = NULL; |
---|
733 | twiglet->up = limb->up; |
---|
734 | limb->right = twiglet; |
---|
735 | limb = twiglet; |
---|
736 | |
---|
737 | /* record pre-fettling deltas */ |
---|
738 | twiglet->delta[0] = dx; |
---|
739 | twiglet->delta[1] = dy; |
---|
740 | twiglet->delta[2] = dz; |
---|
741 | } |
---|
742 | #endif |
---|
743 | |
---|
744 | return 1; |
---|
745 | } |
---|
746 | |
---|
747 | extern int |
---|
748 | data_cartesian(void) |
---|
749 | { |
---|
750 | prefix *fr = NULL, *to = NULL; |
---|
751 | real dx = 0, dy = 0, dz = 0; |
---|
752 | |
---|
753 | bool fMulti = fFalse; |
---|
754 | |
---|
755 | reading first_stn = End; |
---|
756 | |
---|
757 | reading *ordering; |
---|
758 | |
---|
759 | again: |
---|
760 | |
---|
761 | for (ordering = pcs->ordering ; ; ordering++) { |
---|
762 | skipblanks(); |
---|
763 | switch (*ordering) { |
---|
764 | case Fr: |
---|
765 | fr = read_prefix_stn(fFalse, fTrue); |
---|
766 | if (first_stn == End) first_stn = Fr; |
---|
767 | break; |
---|
768 | case To: |
---|
769 | to = read_prefix_stn(fFalse, fTrue); |
---|
770 | if (first_stn == End) first_stn = To; |
---|
771 | break; |
---|
772 | case Station: |
---|
773 | fr = to; |
---|
774 | to = read_prefix_stn(fFalse, fFalse); |
---|
775 | first_stn = To; |
---|
776 | break; |
---|
777 | case Dx: dx = read_numeric(fFalse); break; |
---|
778 | case Dy: dy = read_numeric(fFalse); break; |
---|
779 | case Dz: dz = read_numeric(fFalse); break; |
---|
780 | case Ignore: |
---|
781 | skipword(); break; |
---|
782 | case IgnoreAllAndNewLine: |
---|
783 | skipline(); |
---|
784 | /* fall through */ |
---|
785 | case Newline: |
---|
786 | if (fr != NULL) { |
---|
787 | int r; |
---|
788 | r = process_cartesian(fr, to, dx, dy, dz, first_stn == To); |
---|
789 | if (!r) skipline(); |
---|
790 | } |
---|
791 | fMulti = fTrue; |
---|
792 | while (1) { |
---|
793 | process_eol(); |
---|
794 | process_bol(); |
---|
795 | if (isData(ch)) break; |
---|
796 | if (!isComm(ch)) { |
---|
797 | push_back(ch); |
---|
798 | return 1; |
---|
799 | } |
---|
800 | } |
---|
801 | break; |
---|
802 | case IgnoreAll: |
---|
803 | skipline(); |
---|
804 | /* fall through */ |
---|
805 | case End: |
---|
806 | if (!fMulti) { |
---|
807 | int r = process_cartesian(fr, to, dx, dy, dz, first_stn == To); |
---|
808 | process_eol(); |
---|
809 | return r; |
---|
810 | } |
---|
811 | do { |
---|
812 | process_eol(); |
---|
813 | process_bol(); |
---|
814 | } while (isComm(ch)); |
---|
815 | goto again; |
---|
816 | default: BUG("Unknown reading in ordering"); |
---|
817 | } |
---|
818 | } |
---|
819 | } |
---|
820 | |
---|
821 | static int |
---|
822 | process_cylpolar(prefix *fr, prefix *to, real tape, real comp, |
---|
823 | real frdepth, real todepth, bool fToFirst, bool fDepthChange) |
---|
824 | { |
---|
825 | real dx, dy, dz; |
---|
826 | real vx, vy, vz; |
---|
827 | #ifndef NO_COVARIANCES |
---|
828 | real cxy = 0; |
---|
829 | #endif |
---|
830 | |
---|
831 | if (comp != HUGE_REAL) { |
---|
832 | comp *= pcs->units[Q_BEARING]; |
---|
833 | if (comp < (real)0.0 || comp - M_PI * 2.0 > EPSILON) { |
---|
834 | compile_warning(/*Suspicious compass reading*/59); |
---|
835 | } |
---|
836 | } |
---|
837 | |
---|
838 | /* depth gauge readings increase upwards with default calibration */ |
---|
839 | if (fDepthChange) { |
---|
840 | ASSERT(frdepth == 0.0); |
---|
841 | dz = (todepth * pcs->units[Q_DEPTH] - pcs->z[Q_DEPTH]) * pcs->sc[Q_DEPTH]; |
---|
842 | } else { |
---|
843 | dz = (todepth - frdepth) * pcs->units[Q_DEPTH] * pcs->sc[Q_DEPTH]; |
---|
844 | } |
---|
845 | |
---|
846 | /* adjusted tape is negative -- probably the calibration is wrong */ |
---|
847 | if (tape < (real)0.0) { |
---|
848 | compile_warning(/*Negative adjusted tape reading*/79); |
---|
849 | } |
---|
850 | |
---|
851 | if (comp == HUGE_REAL) { |
---|
852 | /* plumb */ |
---|
853 | dx = dy = (real)0.0; |
---|
854 | vx = vy = var(Q_POS) / 3.0 + dz * dz * var(Q_PLUMB); |
---|
855 | vz = var(Q_POS) / 3.0 + 2 * var(Q_DEPTH); |
---|
856 | } else { |
---|
857 | real sinB, cosB; |
---|
858 | comp = (comp - pcs->z[Q_BEARING]) * pcs->sc[Q_BEARING]; |
---|
859 | comp -= pcs->z[Q_DECLINATION]; |
---|
860 | |
---|
861 | sinB = sin(comp); |
---|
862 | cosB = cos(comp); |
---|
863 | |
---|
864 | dx = tape * sinB; |
---|
865 | dy = tape * cosB; |
---|
866 | |
---|
867 | vx = var(Q_POS) / 3.0 + |
---|
868 | var(Q_LENGTH) * sinB * sinB + var(Q_BEARING) * dy * dy; |
---|
869 | vy = var(Q_POS) / 3.0 + |
---|
870 | var(Q_LENGTH) * cosB * cosB + var(Q_BEARING) * dx * dx; |
---|
871 | vz = var(Q_POS) / 3.0 + 2 * var(Q_DEPTH); |
---|
872 | |
---|
873 | #ifndef NO_COVARIANCES |
---|
874 | cxy = (var(Q_LENGTH) - var(Q_BEARING) * tape * tape) * sinB * cosB; |
---|
875 | #endif |
---|
876 | } |
---|
877 | addlegbyname(fr, to, fToFirst, dx, dy, dz, vx, vy, vz |
---|
878 | #ifndef NO_COVARIANCES |
---|
879 | , cxy, 0, 0 |
---|
880 | #endif |
---|
881 | ); |
---|
882 | #ifdef NEW3DFORMAT |
---|
883 | if (fUseNewFormat) { |
---|
884 | /*new twiglet and insert into twig tree*/ |
---|
885 | twig *twiglet = osnew(twig); |
---|
886 | twiglet->from = fr; |
---|
887 | twiglet->to = to; |
---|
888 | twiglet->down = twiglet->right = NULL; |
---|
889 | twiglet->source = twiglet->drawings |
---|
890 | = twiglet->date = twiglet->instruments = twiglet->tape = NULL; |
---|
891 | twiglet->up = limb->up; |
---|
892 | limb->right = twiglet; |
---|
893 | limb = twiglet; |
---|
894 | |
---|
895 | /* record pre-fettling deltas */ |
---|
896 | twiglet->delta[0] = dx; |
---|
897 | twiglet->delta[1] = dy; |
---|
898 | twiglet->delta[2] = dz; |
---|
899 | } |
---|
900 | #endif |
---|
901 | |
---|
902 | return 1; |
---|
903 | } |
---|
904 | |
---|
905 | /* Process tape/compass/clino, diving, and cylpolar styles of survey data |
---|
906 | * Also handles topofil (fromcount/tocount or count) in place of tape */ |
---|
907 | extern int |
---|
908 | data_normal(void) |
---|
909 | { |
---|
910 | prefix *fr = NULL, *to = NULL; |
---|
911 | reading first_stn = End; |
---|
912 | |
---|
913 | real tape = 0, comp = 0, frcount = 0, tocount = 0; |
---|
914 | real clin; |
---|
915 | real frdepth = 0, todepth = 0; |
---|
916 | |
---|
917 | bool fTopofil = fFalse, fMulti = fFalse; |
---|
918 | bool fRev; |
---|
919 | bool fNoClino, fPlumbed; |
---|
920 | bool fDepthChange; |
---|
921 | |
---|
922 | reading *ordering; |
---|
923 | |
---|
924 | again: |
---|
925 | |
---|
926 | fRev = fFalse; |
---|
927 | fPlumbed = fFalse; |
---|
928 | fDepthChange = fFalse; |
---|
929 | |
---|
930 | /* ordering may omit clino reading, so set up default here */ |
---|
931 | /* this is also used if clino reading is the omit character */ |
---|
932 | clin = (real)0.0; /* no clino reading, so assume 0 with large sd */ |
---|
933 | fNoClino = fTrue; |
---|
934 | |
---|
935 | for (ordering = pcs->ordering; ; ordering++) { |
---|
936 | skipblanks(); |
---|
937 | switch (*ordering) { |
---|
938 | case Fr: |
---|
939 | fr = read_prefix_stn(fFalse, fTrue); |
---|
940 | if (first_stn == End) first_stn = Fr; |
---|
941 | break; |
---|
942 | case To: |
---|
943 | to = read_prefix_stn(fFalse, fTrue); |
---|
944 | if (first_stn == End) first_stn = To; |
---|
945 | break; |
---|
946 | case Station: |
---|
947 | fr = to; |
---|
948 | to = read_prefix_stn(fFalse, fFalse); |
---|
949 | first_stn = To; |
---|
950 | break; |
---|
951 | case Dir: |
---|
952 | switch(toupper(ch)) { |
---|
953 | case 'F': |
---|
954 | break; |
---|
955 | case 'B': |
---|
956 | fRev = fTrue; |
---|
957 | break; |
---|
958 | default: |
---|
959 | compile_error(/*Found `%c', expecting `F' or `B'*/131, ch); |
---|
960 | skipline(); |
---|
961 | process_eol(); |
---|
962 | return 0; |
---|
963 | } |
---|
964 | break; |
---|
965 | case Tape: |
---|
966 | tape = read_numeric(fFalse); |
---|
967 | if (tape < (real)0.0) compile_warning(/*Negative tape reading*/60); |
---|
968 | break; |
---|
969 | case Count: |
---|
970 | frcount = tocount; |
---|
971 | tocount = read_numeric(fFalse); |
---|
972 | break; |
---|
973 | case FrCount: |
---|
974 | frcount = read_numeric(fFalse); |
---|
975 | break; |
---|
976 | case ToCount: |
---|
977 | tocount = read_numeric(fFalse); |
---|
978 | fTopofil = fTrue; |
---|
979 | break; |
---|
980 | case Comp: |
---|
981 | comp = read_numeric_or_omit(); |
---|
982 | break; |
---|
983 | case Clino: |
---|
984 | clin = read_numeric(fTrue); |
---|
985 | if (clin == HUGE_REAL) { |
---|
986 | clin = handle_plumb(&fPlumbed); |
---|
987 | if (clin != HUGE_REAL) break; |
---|
988 | compile_error_token(/*Expecting numeric field, found `%s'*/9); |
---|
989 | process_eol(); |
---|
990 | return 0; |
---|
991 | } |
---|
992 | /* we've got a real clino reading, so clear the flag */ |
---|
993 | fNoClino = fFalse; |
---|
994 | break; |
---|
995 | case FrDepth: |
---|
996 | frdepth = read_numeric(fFalse); |
---|
997 | break; |
---|
998 | case ToDepth: |
---|
999 | todepth = read_numeric(fFalse); |
---|
1000 | break; |
---|
1001 | case Depth: |
---|
1002 | frdepth = todepth; |
---|
1003 | todepth = read_numeric(fFalse); |
---|
1004 | break; |
---|
1005 | case DepthChange: |
---|
1006 | fDepthChange = fTrue; |
---|
1007 | frdepth = 0; |
---|
1008 | todepth = read_numeric(fFalse); |
---|
1009 | break; |
---|
1010 | case Ignore: |
---|
1011 | skipword(); |
---|
1012 | break; |
---|
1013 | case IgnoreAllAndNewLine: |
---|
1014 | skipline(); |
---|
1015 | /* fall through */ |
---|
1016 | case Newline: |
---|
1017 | if (fr != NULL) { |
---|
1018 | int r; |
---|
1019 | if (fRev) { |
---|
1020 | prefix *t = fr; |
---|
1021 | fr = to; |
---|
1022 | to = t; |
---|
1023 | } |
---|
1024 | if (fTopofil) tape = tocount - frcount; |
---|
1025 | /* Note: frdepth == todepth test works regardless of fDepthChange |
---|
1026 | * (frdepth always zero, todepth is change of depth) and also |
---|
1027 | * works for STYLE_NORMAL (both remain 0) */ |
---|
1028 | if (pcs->f0Eq && tape == (real)0.0 && frdepth == todepth) { |
---|
1029 | process_equate(fr, to); |
---|
1030 | goto inferred_equate; |
---|
1031 | } |
---|
1032 | if (fTopofil) { |
---|
1033 | tape *= pcs->units[Q_COUNT] * pcs->sc[Q_COUNT]; |
---|
1034 | } else { |
---|
1035 | tape *= pcs->units[Q_LENGTH]; |
---|
1036 | tape = (tape - pcs->z[Q_LENGTH]) * pcs->sc[Q_LENGTH]; |
---|
1037 | } |
---|
1038 | switch (pcs->style) { |
---|
1039 | case STYLE_NORMAL: |
---|
1040 | r = process_normal(fr, to, tape, comp, clin, |
---|
1041 | (first_stn == To) ^ fRev, fNoClino, fPlumbed); |
---|
1042 | break; |
---|
1043 | case STYLE_DIVING: |
---|
1044 | r = process_diving(fr, to, tape, comp, frdepth, todepth, |
---|
1045 | (first_stn == To) ^ fRev, fDepthChange); |
---|
1046 | break; |
---|
1047 | case STYLE_CYLPOLAR: |
---|
1048 | r = process_cylpolar(fr, to, tape, comp, frdepth, todepth, |
---|
1049 | (first_stn == To) ^ fRev, fDepthChange); |
---|
1050 | break; |
---|
1051 | default: |
---|
1052 | BUG("bad style"); |
---|
1053 | } |
---|
1054 | if (!r) skipline(); |
---|
1055 | } |
---|
1056 | inferred_equate: |
---|
1057 | fMulti = fTrue; |
---|
1058 | while (1) { |
---|
1059 | process_eol(); |
---|
1060 | process_bol(); |
---|
1061 | if (isData(ch)) break; |
---|
1062 | if (!isComm(ch)) { |
---|
1063 | push_back(ch); |
---|
1064 | return 1; |
---|
1065 | } |
---|
1066 | } |
---|
1067 | break; |
---|
1068 | case IgnoreAll: |
---|
1069 | skipline(); |
---|
1070 | /* fall through */ |
---|
1071 | case End: |
---|
1072 | if (!fMulti) { |
---|
1073 | int r; |
---|
1074 | if (fRev) { |
---|
1075 | prefix *t = fr; |
---|
1076 | fr = to; |
---|
1077 | to = t; |
---|
1078 | } |
---|
1079 | if (fTopofil) tape = tocount - frcount; |
---|
1080 | /* Note: frdepth == todepth test works regardless of fDepthChange |
---|
1081 | * (frdepth always zero, todepth is change of depth) and also |
---|
1082 | * works for STYLE_NORMAL (both remain 0) */ |
---|
1083 | if (pcs->f0Eq && tape == (real)0.0 && frdepth == todepth) { |
---|
1084 | process_equate(fr, to); |
---|
1085 | process_eol(); |
---|
1086 | return 1; |
---|
1087 | } |
---|
1088 | if (fTopofil) { |
---|
1089 | tape *= pcs->units[Q_COUNT] * pcs->sc[Q_COUNT]; |
---|
1090 | } else { |
---|
1091 | tape *= pcs->units[Q_LENGTH]; |
---|
1092 | tape = (tape - pcs->z[Q_LENGTH]) * pcs->sc[Q_LENGTH]; |
---|
1093 | } |
---|
1094 | switch (pcs->style) { |
---|
1095 | case STYLE_NORMAL: |
---|
1096 | r = process_normal(fr, to, tape, comp, clin, |
---|
1097 | (first_stn == To) ^ fRev, fNoClino, fPlumbed); |
---|
1098 | break; |
---|
1099 | case STYLE_DIVING: |
---|
1100 | r = process_diving(fr, to, tape, comp, frdepth, todepth, |
---|
1101 | (first_stn == To) ^ fRev, fDepthChange); |
---|
1102 | break; |
---|
1103 | case STYLE_CYLPOLAR: |
---|
1104 | r = process_cylpolar(fr, to, tape, comp, frdepth, todepth, |
---|
1105 | (first_stn == To) ^ fRev, fDepthChange); |
---|
1106 | break; |
---|
1107 | default: |
---|
1108 | BUG("bad style"); |
---|
1109 | } |
---|
1110 | process_eol(); |
---|
1111 | return r; |
---|
1112 | } |
---|
1113 | do { |
---|
1114 | process_eol(); |
---|
1115 | process_bol(); |
---|
1116 | } while (isComm(ch)); |
---|
1117 | goto again; |
---|
1118 | default: |
---|
1119 | BUG("Unknown reading in ordering"); |
---|
1120 | } |
---|
1121 | } |
---|
1122 | } |
---|
1123 | |
---|
1124 | static int |
---|
1125 | process_nosurvey(prefix *fr, prefix *to, bool fToFirst) |
---|
1126 | { |
---|
1127 | nosurveylink *link; |
---|
1128 | int shape; |
---|
1129 | |
---|
1130 | #ifdef NEW3DFORMAT |
---|
1131 | if (fUseNewFormat) { |
---|
1132 | /* new twiglet and insert into twig tree */ |
---|
1133 | twig *twiglet = osnew(twig); |
---|
1134 | twiglet->from = fr; |
---|
1135 | twiglet->to = to; |
---|
1136 | twiglet->down = twiglet->right = NULL; |
---|
1137 | twiglet->source = twiglet->drawings |
---|
1138 | = twiglet->date = twiglet->instruments = twiglet->tape = NULL; |
---|
1139 | twiglet->up = limb->up; |
---|
1140 | limb->right = twiglet; |
---|
1141 | limb = twiglet; |
---|
1142 | /* delta is only used to calculate error - pass zero and cope |
---|
1143 | * elsewhere */ |
---|
1144 | twiglet->delta[0] = twiglet->delta[1] = twiglet->delta[2] = 0; |
---|
1145 | } |
---|
1146 | #endif |
---|
1147 | |
---|
1148 | /* Suppress "unused fixed point" warnings for these stations |
---|
1149 | * We do this if it's a 0 or 1 node - 1 node might be an sdfix |
---|
1150 | */ |
---|
1151 | shape = fr->shape; |
---|
1152 | if (shape == 0 || shape == 1) fr->shape = -1 - shape; |
---|
1153 | shape = to->shape; |
---|
1154 | if (shape == 0 || shape == 1) to->shape = -1 - shape; |
---|
1155 | |
---|
1156 | /* add to linked list which is dealt with after network is solved */ |
---|
1157 | link = osnew(nosurveylink); |
---|
1158 | if (fToFirst) { |
---|
1159 | link->to = StnFromPfx(to); |
---|
1160 | link->fr = StnFromPfx(fr); |
---|
1161 | } else { |
---|
1162 | link->fr = StnFromPfx(fr); |
---|
1163 | link->to = StnFromPfx(to); |
---|
1164 | } |
---|
1165 | link->flags = pcs->flags; |
---|
1166 | link->next = nosurveyhead; |
---|
1167 | nosurveyhead = link; |
---|
1168 | return 1; |
---|
1169 | } |
---|
1170 | |
---|
1171 | extern int |
---|
1172 | data_nosurvey(void) |
---|
1173 | { |
---|
1174 | prefix *fr = NULL, *to = NULL; |
---|
1175 | |
---|
1176 | bool fMulti = fFalse; |
---|
1177 | |
---|
1178 | reading first_stn = End; |
---|
1179 | |
---|
1180 | reading *ordering; |
---|
1181 | |
---|
1182 | again: |
---|
1183 | |
---|
1184 | for (ordering = pcs->ordering ; ; ordering++) { |
---|
1185 | skipblanks(); |
---|
1186 | switch (*ordering) { |
---|
1187 | case Fr: |
---|
1188 | fr = read_prefix_stn(fFalse, fTrue); |
---|
1189 | if (first_stn == End) first_stn = Fr; |
---|
1190 | break; |
---|
1191 | case To: |
---|
1192 | to = read_prefix_stn(fFalse, fTrue); |
---|
1193 | if (first_stn == End) first_stn = To; |
---|
1194 | break; |
---|
1195 | case Station: |
---|
1196 | fr = to; |
---|
1197 | to = read_prefix_stn(fFalse, fFalse); |
---|
1198 | first_stn = To; |
---|
1199 | break; |
---|
1200 | case Ignore: |
---|
1201 | skipword(); break; |
---|
1202 | case IgnoreAllAndNewLine: |
---|
1203 | skipline(); |
---|
1204 | /* fall through */ |
---|
1205 | case Newline: |
---|
1206 | if (fr != NULL) { |
---|
1207 | int r; |
---|
1208 | r = process_nosurvey(fr, to, first_stn == To); |
---|
1209 | if (!r) skipline(); |
---|
1210 | } |
---|
1211 | if (ordering[1] == End) { |
---|
1212 | do { |
---|
1213 | process_eol(); |
---|
1214 | process_bol(); |
---|
1215 | } while (isComm(ch)); |
---|
1216 | if (!isData(ch)) { |
---|
1217 | push_back(ch); |
---|
1218 | return 1; |
---|
1219 | } |
---|
1220 | goto again; |
---|
1221 | } |
---|
1222 | fMulti = fTrue; |
---|
1223 | while (1) { |
---|
1224 | process_eol(); |
---|
1225 | process_bol(); |
---|
1226 | if (isData(ch)) break; |
---|
1227 | if (!isComm(ch)) { |
---|
1228 | push_back(ch); |
---|
1229 | return 1; |
---|
1230 | } |
---|
1231 | } |
---|
1232 | break; |
---|
1233 | case IgnoreAll: |
---|
1234 | skipline(); |
---|
1235 | /* fall through */ |
---|
1236 | case End: |
---|
1237 | if (!fMulti) { |
---|
1238 | int r = process_nosurvey(fr, to, first_stn == To); |
---|
1239 | process_eol(); |
---|
1240 | return r; |
---|
1241 | } |
---|
1242 | do { |
---|
1243 | process_eol(); |
---|
1244 | process_bol(); |
---|
1245 | } while (isComm(ch)); |
---|
1246 | goto again; |
---|
1247 | default: BUG("Unknown reading in ordering"); |
---|
1248 | } |
---|
1249 | } |
---|
1250 | } |
---|
1251 | |
---|
1252 | /* totally ignore a line of survey data */ |
---|
1253 | extern int |
---|
1254 | data_ignore(void) |
---|
1255 | { |
---|
1256 | skipline(); |
---|
1257 | process_eol(); |
---|
1258 | return 1; |
---|
1259 | } |
---|