triangulation_boundary_nodes ( 'lake.621.nodes.txt', 'lake.621.triangles3.txt' ) 01-Jan-2007 08:55:04 TRIANGULATION_BOUNDARY_NODES MATLAB version Identify triangulation nodes on the boundary. * Read a dataset of NODE_NUM points in 2 dimensions; * Read an associated triangulation dataset of triangles using 3 or 6 nodes; * Determine which nodes are on the boundary; * Print a list of the node coordinates and indices; * Write a file of the node coordinates. Read the header of "lake.621.nodes.txt" . Spatial dimension DIM_NUM = 2 Number of nodes NODE_NUM = 621 Read the data in "lake.621.nodes.txt" Portion of coordinate data from file: Row: 1 2 Col 1 316.430270 404.475590 2 291.049460 400.709170 3 265.165040 409.778900 4 241.467940 402.403100 5 216.551450 396.520640 Read the header of "lake.621.triangles3.txt" Triangle order = 3 Number of triangles = 974 Read the data in "lake.621.triangles3.txt". Portion of triangle file: Row: 1 2 3 Col 1 619 618 39 2 620 619 39 3 125 126 7 4 125 132 126 5 143 135 150 Boundary nodes: New Old Index Index X and Y Coordinates 1 1 316.430270 404.475590 2 2 291.049460 400.709170 3 3 265.165040 409.778900 4 4 241.467940 402.403100 5 5 216.551450 396.520640 6 6 163.284920 411.371020 7 7 142.817520 391.163550 8 8 111.954040 346.702640 9 9 100.035380 325.727100 10 10 103.987230 302.515870 11 11 128.729780 285.728020 12 12 147.491110 266.233450 13 13 196.652610 242.240550 14 14 213.568350 221.671920 15 15 226.499690 198.093260 16 16 248.371260 183.504730 17 17 262.219520 165.391020 18 18 278.423300 149.917150 19 19 300.718460 145.826010 20 20 311.126980 166.710940 21 21 326.663150 184.583350 22 22 359.785740 225.480490 23 23 357.088920 252.889580 24 24 358.766850 285.344030 25 25 361.508340 303.712870 26 26 371.689260 314.924520 27 27 380.498900 324.586320 28 28 396.376340 328.889900 29 29 412.591160 327.252380 30 30 425.483940 315.286230 31 31 435.843050 302.446640 32 32 458.340250 297.551210 33 33 479.664390 288.992380 34 34 493.098120 270.206360 35 35 518.873090 264.564270 36 36 547.180140 268.188460 37 37 600.497080 240.625700 38 38 625.961830 238.403470 39 39 633.905300 260.706290 40 40 621.504510 285.889140 41 41 576.872240 322.141210 42 42 570.519150 348.854230 43 43 567.164000 378.240750 44 44 558.006680 406.865520 45 45 565.190080 435.755990 46 46 567.564370 465.334070 47 47 550.876260 490.963580 48 48 532.981740 515.844910 49 49 500.668170 551.890780 50 50 478.751200 562.172220 51 51 430.033710 583.942860 52 52 401.204540 587.699100 53 53 368.322140 581.101100 54 54 354.263030 585.860850 55 55 346.752000 601.103670 56 56 332.851370 628.746020 57 57 308.021880 645.841800 58 58 295.523440 647.185250 59 59 286.515190 651.603280 60 60 285.988460 662.073390 61 61 298.934550 665.663160 62 62 301.702260 682.795700 63 63 278.658570 689.638500 64 64 266.257370 712.110050 65 65 287.287010 732.771470 66 66 318.195480 736.851510 67 67 343.830670 753.609570 68 68 375.531640 758.352310 69 69 405.734440 768.986870 70 70 406.338730 785.590010 71 71 378.354360 789.442400 72 72 350.021510 795.022380 73 73 338.680300 788.873250 74 74 325.679300 786.101770 75 75 319.059950 798.046570 76 76 301.781580 795.342540 77 77 280.692720 773.866340 78 78 254.558440 758.028980 79 79 234.077590 737.420900 80 80 218.383370 711.415000 81 81 220.990860 682.178330 82 82 224.506400 651.962970 83 83 240.259710 631.361170 84 84 259.861740 612.602530 85 85 291.853810 556.703850 86 86 315.521390 537.563870 87 87 341.636630 520.125190 88 88 351.371300 458.753720 89 89 349.331830 431.314540 90 90 328.804650 412.430550 91 91 238.648530 266.589780 92 92 235.140260 287.951830 93 93 238.207360 303.467850 94 94 250.139020 303.712900 95 95 258.516750 297.469730 96 96 274.553000 291.273570 97 97 284.662300 280.720630 98 98 279.732880 267.834550 99 99 270.684780 255.554400 100 100 255.738010 249.168720 101 101 241.726900 256.734480 102 102 102.219882 312.896404 103 103 103.874345 332.483259 104 104 118.895782 292.400399 105 106 108.081453 339.887310 106 110 118.154635 355.635013 107 111 125.102371 365.643692 108 116 130.919030 374.022979 109 117 136.609016 382.219785 110 118 140.636052 273.356421 111 119 134.986595 279.226672 112 123 156.233547 261.966770 113 126 150.297179 398.548220 114 127 165.418235 257.484251 115 132 156.909212 405.076282 116 138 171.962521 408.951758 117 139 174.831190 252.890330 118 144 189.049498 404.188014 119 145 180.609962 406.540905 120 146 187.326149 246.792259 121 156 197.606128 401.802479 122 157 208.151099 228.259006 123 158 202.324876 235.343380 124 165 206.878132 399.217501 125 166 222.410913 205.548627 126 167 217.648818 214.231705 127 176 224.319716 398.354627 128 177 223.628481 659.508508 129 178 221.856785 674.735881 130 179 219.452683 699.425247 131 180 232.487893 194.099075 132 184 236.990433 276.686023 133 185 236.724535 295.966450 134 191 233.065649 400.419428 135 192 234.624899 638.730241 136 193 229.851755 644.972443 137 195 222.700626 667.483234 138 197 242.410737 187.480451 139 198 237.565066 190.712556 140 211 223.780624 720.358448 141 216 248.769879 252.931392 142 220 249.131361 404.788365 143 221 253.219488 618.958995 144 222 246.770310 625.130693 145 228 247.577130 751.004301 146 229 255.416718 174.289177 147 232 262.968302 252.257704 148 233 263.432379 295.570407 149 238 257.598839 407.423895 150 239 267.307040 599.593606 151 240 263.455849 606.322662 152 248 262.959239 763.119859 153 249 272.684347 155.397588 154 250 267.500475 160.347949 155 256 273.720256 259.674171 156 257 269.119026 293.373174 157 261 273.645605 406.807366 158 262 275.817141 584.724189 159 263 271.497167 592.272336 160 268 272.576948 700.658680 161 269 273.184365 718.915756 162 270 279.884762 725.498832 163 276 276.513802 263.465593 164 277 282.160102 274.179591 165 283 281.634821 404.007997 166 284 283.904077 570.594154 167 285 279.748614 577.854856 168 293 271.557746 768.330550 169 294 287.686856 780.988938 170 295 289.743089 147.839980 171 306 287.886833 563.635217 172 312 292.378349 663.845217 173 313 300.370025 674.548965 174 314 297.420907 734.109184 175 316 306.002796 156.429150 176 324 299.309046 550.674798 177 328 290.235849 686.200639 178 330 294.824695 788.257878 179 331 307.179247 796.187264 180 340 299.311162 401.935177 181 341 306.855986 544.571585 182 345 316.083036 640.291474 183 346 307.491433 735.438534 184 350 313.130145 797.118567 185 351 319.350379 176.170926 186 352 332.095862 191.291231 187 361 307.204459 403.106513 188 362 324.653540 531.465797 189 367 326.562265 742.320987 190 372 338.028257 198.616080 191 373 343.700914 205.620226 192 380 335.451220 418.545066 193 385 336.482624 621.525024 194 386 325.418029 633.864077 195 389 331.980164 787.444953 196 393 358.142667 273.271107 197 399 342.512209 425.040826 198 400 344.222847 503.820589 199 402 332.972744 525.910576 200 404 350.590031 593.314802 201 406 343.473073 607.624041 202 407 339.742535 615.042470 203 408 335.207282 747.972349 204 411 348.963298 212.117799 205 412 354.669577 219.163459 206 413 358.915545 234.324701 207 414 358.025178 243.373931 208 415 357.662119 263.976367 209 423 350.061520 441.131843 210 424 350.721185 450.007027 211 425 349.775770 468.812613 212 426 348.129992 479.188298 213 427 345.776652 494.024741 214 431 354.794367 755.249834 215 433 360.128217 294.465611 216 444 359.900126 793.076847 217 452 376.118124 582.665399 218 455 369.435881 791.198840 219 456 388.223485 326.680069 220 463 385.098270 584.467305 221 464 385.938418 762.016590 222 474 393.074305 586.067732 223 475 387.109460 788.237154 224 480 410.768462 586.452988 225 481 396.090285 765.591114 226 482 406.024894 776.967232 227 483 396.815965 786.900935 228 484 418.594561 321.680456 229 494 420.646194 585.165988 230 503 439.485614 579.719038 231 504 446.458815 300.136631 232 508 449.194649 575.380311 233 513 459.978072 570.561466 234 514 472.267357 291.961313 235 515 465.826800 294.546348 236 522 470.041464 566.064385 237 531 485.806637 558.862453 238 532 487.459469 278.091572 239 537 493.666723 555.175219 240 538 502.956452 268.048391 241 544 508.161049 543.532454 242 548 517.883282 532.687278 243 549 528.527970 265.800398 244 556 525.385043 524.319045 245 557 537.396250 266.935815 246 563 538.895625 507.621984 247 578 544.856097 499.334281 248 579 556.592396 263.322694 249 584 568.267462 368.575932 250 586 563.947025 388.296657 251 587 562.624298 425.436831 252 589 565.964000 445.397214 253 590 566.746664 455.147369 254 592 561.737132 474.283511 255 593 569.226645 256.791285 256 597 573.210940 337.535983 257 598 569.362386 358.985898 258 599 579.923523 251.261419 259 604 584.330907 316.082990 260 605 588.813390 246.665708 261 608 593.578664 308.571601 262 609 609.082411 239.876485 263 612 609.307258 295.796223 264 613 600.879752 302.641373 265 614 617.718230 239.122863 266 618 629.397155 248.048807 267 620 629.581610 269.486604 268 621 625.403201 277.971891 Created the boundary node coordinate file "boundary_nodes.txt". TRIANGULATION_BOUNDARY_NODES Normal end of execution. 01-Jan-2007 08:55:15 >>