Thread: Read ASCII file into matrix in C++

Hello everybody,

I got a stuck in my work ... I have ASCII file with numerical values, and I need to read them and save them in a matrix of 2 dimensions?.... If anyone can help me please ....!!???

Looking forward to any help
Cheers

P.S. the dimension of ascii data is 68 by 65 and it looks like:

;
; ENVI ASCII Output of file: [Memory1] (66x68x1) [Tue Nov 02 11:45:08 2010]
; File Dimensions: 66 samples x 68 lines x 1 band
; Line Format : (66f14.4)
;
0.8442 0.8343 0.8163 0.8261 0.8235 0.8188 0.8204 0.8364 0.8571 0.8490 0.8505 0.8483 0.8528 0.8338 0.8373 0.8462 0.8417 0.8440 0.8538 0.8519 0.8625 0.8471 0.8529 0.8586 0.8720 0.8512 0.8436 0.8356 0.8356 0.8333 0.8483 0.8462 0.8462 0.8092 0.7759 0.7410 0.8000 0.7993 0.8067 0.8436 0.8047 0.8165 0.8182 0.8117 0.8117 0.8261 0.7985 0.8416 0.8362 0.8188 0.8280 0.8489 0.8411 0.8411 0.8258 0.7818 0.7714 0.7436 0.7816 0.8393 0.8381 0.8601 0.8484 0.8364 0.8505 0.8478
0.8428 0.8343 0.8188 0.8286 0.8261 0.8132 0.8204 0.8380 0.8462 0.8602 0.8589 0.8483 0.8652 0.8496 0.8436 0.8462 0.8498 0.8373 0.8373 0.8333 0.8519 0.8576 0.8544 0.8586 0.8734 0.8560 0.8563 0.8356 0.8440 0.8498 0.8557 0.8333 0.8333 0.8212 0.7507 0.7855 0.8118 0.8067 0.8297 0.8117 0.8373 0.8141 0.8235 0.8169 0.7898 0.8258 0.8356 0.8430 0.8393 0.8398 0.8141 0.8448 0.8393 0.8238 0.8380 0.8304 0.7428 0.6972 0.7799 0.8462 0.8065 0.8484 0.8561 0.8505 0.8520 0.8462
0.8442 0.8269 0.8269 0.8118 0.8327 0.8327 0.8118 0.8116 0.8428 0.8589 0.8638 0.8586 0.8512 0.8448 0.8395 0.8235 0.8333 0.8373 0.8169 0.8356 0.8457 0.8430 0.8529 0.8560 0.8720 0.8571 0.8667 0.8528 0.8576 0.8436 0.8519 0.8395 0.8498 0.8373 0.8117 0.8188 0.8356 0.8182 0.8226 0.8258 0.8188 0.7993 0.7993 0.7927 0.8329 0.8478 0.8393 0.8362 0.8411 0.8235 0.8436 0.8398 0.8269 0.8085 0.8311 0.8529 0.8092 0.8067 0.8165 0.8329 0.7895 0.8027 0.8362 0.8462 0.8490 0.8364
0.8513 0.8364 0.8235 0.8103 0.8161 0.7923 0.7840 0.8304 0.8244 0.7982 0.7816 0.8182 0.8182 0.8466 0.8457 0.8417 0.8216 0.8310 0.8356 0.8457 0.8430 0.8380 0.8544 0.8696 0.8720 0.8586 0.8720 0.8667 0.8652 0.8412 0.8483 0.8519 0.8457 0.8338 0.8235 0.8258 0.8258 0.8297 0.8117 0.8235 0.8141 0.8161 0.8212 0.8292 0.8426 0.8544 0.8411 0.8483 0.8512 0.8412 0.8457 0.8226 0.8378 0.8411 0.8601 0.8347 0.8362 0.8362 0.8445 0.8278 0.8380 0.7901 0.8289 0.8362 0.8529 0.8430
0.8513 0.8520 0.8297 0.8216 0.7752 0.7857 0.7754 0.7947 0.7755 0.7347 0.7460 0.7976 0.8430 0.8457 0.8483 0.8498 0.8310 0.8416 0.8576 0.8545 0.8640 0.8529 0.8720 0.8586 0.8571 0.8544 0.8571 0.8544 0.8560 0.8466 0.8462 0.8235 0.8235 0.8297 0.8395 0.8117 0.8182 0.8457 0.8182 0.8318 0.8165 0.8417 0.8471 0.8324 0.8381 0.8311 0.8428 0.8529 0.8601 0.8560 0.8592 0.8280 0.8457 0.8496 0.8426 0.8411 0.8278 0.8478 0.8535 0.8478 0.8445 0.8380 0.8398 0.8509 0.8416 0.8356
0.8578 0.8575 0.8512 0.8483 0.8092 0.7923 0.7687 0.7778 0.7791 0.7414 0.7913 0.7985 0.8483 0.8333 0.8333 0.8373 0.8356 0.8519 0.8395 0.8528 0.8652 0.8490 0.8234 0.8182 0.8529 0.8681 0.8571 0.8496 0.8436 0.8417 0.8373 0.8216 0.8118 0.8118 0.8356 0.8118 0.8608 0.8359 0.8182 0.8235 0.8280 0.8457 0.8471 0.8338 0.8182 0.8182 0.8201 0.8292 0.8458 0.8483 0.8529 0.8590 0.8509 0.8496 0.8394 0.8218 0.8380 0.8347 0.8535 0.8520 0.8544 0.8411 0.8496 0.8304 0.8235 0.8356