[37] | 1 | /* |
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| 2 | |
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| 3 | Convert from Marc Levoy's .den file format to Paul Ning's slice format. |
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| 4 | |
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| 5 | Brian Curless - November 1993 |
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| 6 | |
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| 7 | */ |
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| 8 | |
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| 9 | #include <stdio.h> |
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| 10 | #include <math.h> |
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| 11 | #include "defines.h" |
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| 12 | #include "levden.h" |
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| 13 | |
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| 14 | unsigned char *dens; |
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| 15 | unsigned char *slice; |
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| 16 | |
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| 17 | |
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| 18 | /****************************************************************************** |
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| 19 | Main routine. |
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| 20 | ******************************************************************************/ |
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| 21 | |
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| 22 | main(argc,argv) |
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| 23 | int argc; |
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| 24 | char *argv[]; |
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| 25 | { |
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| 26 | int i,j,k; |
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| 27 | int fd; |
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| 28 | char infile[80],outfile[80]; |
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| 29 | unsigned char swap[12]; |
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| 30 | int shd_version; |
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| 31 | int xlen,ylen,zlen; |
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| 32 | int total_len; |
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| 33 | int density_size; |
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| 34 | int index; |
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| 35 | int result; |
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| 36 | int val; |
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| 37 | |
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| 38 | strcpy (infile, argv[1]); |
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| 39 | |
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| 40 | /* |
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| 41 | if (strlen (infile) < 4 || |
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| 42 | strcmp (infile + strlen (infile) - 4, ".den") != 0) |
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| 43 | strcat (infile, ".den"); |
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| 44 | |
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| 45 | printf ("reading densities from '%s'\n", infile); |
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| 46 | |
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| 47 | */ |
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| 48 | |
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| 49 | Load_DEN_File(infile, TRUE); |
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| 50 | |
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| 51 | dens = map_address; |
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| 52 | xlen = map_len[X]; |
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| 53 | ylen = map_len[Y]; |
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| 54 | zlen = map_len[Z]; |
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| 55 | |
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| 56 | /* write to slice files */ |
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| 57 | |
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| 58 | slice = (unsigned char *) malloc (xlen * ylen); |
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| 59 | |
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| 60 | for (i = 0; i < zlen; i++) { |
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| 61 | sprintf (outfile, "slice.%0d", i); |
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| 62 | index = i * xlen * ylen; |
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| 63 | for (j = 0; j < xlen; j++) |
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| 64 | for (k = 0; k < ylen; k++) { |
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| 65 | slice[j * ylen + k] = dens[index]; |
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| 66 | index++; |
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| 67 | } |
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| 68 | printf ("writing file '%s'\n", outfile); |
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| 69 | if ((fd = creat(outfile, 0666)) < 0) { |
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| 70 | fprintf (stderr, "bad open\n"); |
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| 71 | exit (-1); |
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| 72 | } |
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| 73 | write (fd, slice, xlen * ylen); |
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| 74 | close (fd); |
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| 75 | } |
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| 76 | } |
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| 77 | |
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