[37] | 1 | /* |
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| 2 | |
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| 3 | Name: init.c |
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| 4 | |
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| 5 | Coded: Paul Ning |
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| 6 | |
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| 7 | Modified by: Brian Curless |
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| 8 | Computer Graphics Laboratory |
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| 9 | Stanford University |
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| 10 | |
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| 11 | Comment: Initialize some global variables. |
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| 12 | |
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| 13 | Copyright (1997) The Board of Trustees of the Leland Stanford Junior |
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| 14 | University. Except for commercial resale, lease, license or other |
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| 15 | commercial transactions, permission is hereby given to use, copy, |
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| 16 | modify this software for academic purposes only. No part of this |
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| 17 | software or any derivatives thereof may be used in the production of |
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| 18 | computer models for resale or for use in a commercial |
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| 19 | product. STANFORD MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND |
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| 20 | CONCERNING THIS SOFTWARE. No support is implied or provided. |
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| 21 | |
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| 22 | */ |
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| 23 | |
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| 24 | |
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| 25 | #include <stdio.h> |
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| 26 | #include <string.h> |
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| 27 | #include <math.h> |
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| 28 | #include "mc.h" |
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| 29 | #include <unistd.h> |
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| 30 | |
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| 31 | void Init() |
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| 32 | { |
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| 33 | char OutMCFileName[PATH_MAX+3]; |
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| 34 | int outlength; |
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| 35 | float maxsize; |
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| 36 | |
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| 37 | /* |
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| 38 | * Read the EdgeTable file |
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| 39 | */ |
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| 40 | InitEdgeTable(); |
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| 41 | |
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| 42 | occGrid = new OccGridRLE(10,10,10,CHUNK_SIZE); |
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| 43 | if (!(occGrid->read(infile))) { |
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| 44 | printf("Cannot open file %s for reading\n",infile); |
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| 45 | exit(-1); |
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| 46 | } |
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| 47 | |
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| 48 | |
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| 49 | dx = dy = dz = occGrid->resolution; |
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| 50 | |
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| 51 | printf("Resolution = %f\n", dx); |
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| 52 | |
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| 53 | Nx = occGrid->zdim; |
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| 54 | Ny = occGrid->xdim; |
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| 55 | Nz = occGrid->ydim; |
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| 56 | |
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| 57 | i1 = Nx - 2; |
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| 58 | j_1 = Ny - 2; |
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| 59 | k1 = Nz - 2; |
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| 60 | |
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| 61 | /* |
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| 62 | * Initialize some variables |
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| 63 | */ |
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| 64 | outlength = strlen(outfile); |
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| 65 | strcpy(OutMCFileName,outfile); |
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| 66 | sprintf(&(OutMCFileName[outlength]),".mc"); |
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| 67 | |
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| 68 | maxsize = Nx*dx; |
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| 69 | if (Ny*dy > maxsize) maxsize = Ny*dy; |
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| 70 | if (Nz*dz > maxsize) maxsize = Nz*dz; |
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| 71 | FtoSScale = maxsize/65520.0; |
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| 72 | NrmMagScale = sqrt((double) 1/(dx*dx)+1/(dy*dy)+1/(dz*dz)) * 255.0/2.0/254.0; |
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| 73 | |
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| 74 | xstart = Nx/2.0*dx + occGrid->origin[2]; |
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| 75 | ystart = Ny/2.0*dy + occGrid->origin[0]; |
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| 76 | zstart = Nz/2.0*dz + occGrid->origin[1]; |
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| 77 | |
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| 78 | xstart = 0; |
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| 79 | ystart = 0; |
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| 80 | zstart = 0; |
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| 81 | |
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| 82 | |
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| 83 | /* |
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| 84 | * Initialize the output file |
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| 85 | */ |
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| 86 | |
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| 87 | |
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| 88 | /* |
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| 89 | if (!(OutMCFile = fopen(OutMCFileName,"w"))) |
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| 90 | Fatal("Cannot open MC file for writing"); |
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| 91 | |
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| 92 | MC_InitHeader(OutMCFile); |
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| 93 | */ |
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| 94 | |
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| 95 | } /* Init */ |
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| 96 | |
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| 97 | |
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