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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