Mercurial > hg > forks > gldragon

annotate ply2bin.cpp @ 107:2b30217a3c39 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix verbose build echos.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 29 Feb 2024 21:48:47 +0200
parents 03aa729a9e90
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //
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2 // ply2bin - Convert ASCII PLY file to binary PLY
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3 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
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4 // (C) Copyright 2019 Tecnic Software productions (TNSP)
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5 //
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6 // See file "COPYING" for license information.
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7 //
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8 #include <SDL.h>
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d0cd281934a3 Add TOOL_LDFLAGS.
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9
d0cd281934a3 Add TOOL_LDFLAGS.
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10 // Get rid of the SDL_main mess for some commandline tools
d0cd281934a3 Add TOOL_LDFLAGS.
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11 #define _SDL_main_h
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12 #define SDL_main main
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13
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7b138613e2fc Rename dmmodel.* to dmscene.*
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14 #include "dmscene.h"
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03aa729a9e90 Refactor PLY file parsing from dmscene.* to dmply.* and some helper functions into dmutil.h
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15 #include "dmply.h"
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16
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17
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18 bool dmFWriteFloatLE(FILE *fh, const float val)
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19 {
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20 float tmp = SDL_SwapFloatLE(val);
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21 return fwrite(&tmp, sizeof(tmp), 1, fh) == 1;
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22 }
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23
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24
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25 bool dmFWriteU32LE(FILE *fh, const Uint32 val)
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26 {
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27 Uint32 tmp = SDL_SwapLE32(val);
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28 return fwrite(&tmp, sizeof(tmp), 1, fh) == 1;
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29 }
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30
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32 bool dmFWriteU8(FILE *fh, const Uint8 val)
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33 {
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34 return fwrite(&val, sizeof(val), 1, fh) == 1;
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35 }
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36
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37
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38 bool dmFWriteBINPLY(FILE *fh, const DMModel &model)
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39 {
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40 bool writeNormals = model.normals.size() == (unsigned int) model.nvertices;
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41
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42 fprintf(fh,
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43 "ply\n"
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44 "format binary_little_endian 1.0\n"
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45 "element vertex %d\n"
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46 "property float x\n"
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47 "property float y\n"
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48 "property float z\n",
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49 model.nvertices);
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50
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51 if (writeNormals)
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52 {
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53 fprintf(fh,
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54 "property float nx\n"
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55 "property float ny\n"
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56 "property float nz\n"
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57 );
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58 }
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59
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60 fprintf(fh,
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61 "element face %d\n"
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62 "property list uchar uint vertex_indices\n"
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63 "end_header\n",
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64 model.nfaces);
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65
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66 for (int nvert = 0; nvert < model.nvertices; nvert++)
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67 {
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68 const DMVector3 &vert = model.vertices[nvert];
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69
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70 if (!dmFWriteFloatLE(fh, vert.x) ||
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71 !dmFWriteFloatLE(fh, vert.y) ||
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72 !dmFWriteFloatLE(fh, vert.z))
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73 return false;
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74
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75 if (writeNormals)
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76 {
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77 const DMVector3 &vert = model.normals[nvert];
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78 if (!dmFWriteFloatLE(fh, vert.x) ||
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79 !dmFWriteFloatLE(fh, vert.y) ||
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80 !dmFWriteFloatLE(fh, vert.z))
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81 return false;
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82 }
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83 }
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84
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85 for (int nface = 0, offs = 0; nface < model.nfaces; nface++)
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86 {
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87 if (!dmFWriteU8(fh, 3))
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88 return false;
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89
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90 for (int nvert = 0; nvert < 3; nvert++)
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91 {
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92 if (!dmFWriteU32LE(fh, model.faces[offs++]))
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93 return false;
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94 }
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95 }
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96
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97 return true;
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98 }
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99
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100
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101 int main(int argc, char *argv[])
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102 {
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103 bool
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104 optShowHelp = false;
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105 std::string optInputFilename, optOutputFilename;
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106 FILE *outFile = NULL;
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107 DMModel model;
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108
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109 // Check commandline argument for enabling shaders
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110 for (int narg = 1; narg < argc; narg++)
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111 {
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112 char *arg = argv[narg];
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113 if (arg[0] == '-')
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114 {
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115 char *opt = arg + 1;
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116
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117 if ((opt[0] == '-' && opt[1] == 'h' && opt[2] == 'e') ||
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118 opt[0] == '?' || (opt[0] == '-' && opt[1] == '?'))
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119 {
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120 optShowHelp = true;
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121 break;
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122 }
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123 else
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124 if (opt[0] == '-')
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125 opt++;
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126
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127 switch (opt[0])
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128 {
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129 default:
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130 printf("Unknown option '%s'.\n", opt);
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131 goto exit;
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132 }
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133 }
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134 else
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135 {
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136 std::string tmp = std::string(arg);
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137 if (tmp.empty())
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138 {
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139 printf("ERROR: Invalid empty filename.\n");
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140 goto exit;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
141 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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142
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
143 if (optInputFilename.empty())
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
144 optInputFilename = tmp;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
145 else
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
146 if (optOutputFilename.empty())
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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147 optOutputFilename = tmp;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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148 else
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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149 {
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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150 printf("ERROR: Too many filenames specified.\n");
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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151 goto exit;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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152 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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153 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
154 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
155
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
156 if (optInputFilename.empty() || optOutputFilename.empty() || optShowHelp)
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
157 {
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
158 printf(
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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159 "ply2bin - Convert ASCII PLY file to binary format PLY\n"
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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160 "Usage: %s [options] <input.ply> <output.ply>\n"
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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161 "-? Show this help\n"
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
162 "\n",
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
163 argv[0]
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
164 );
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
165
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
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166 goto exit;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
167 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
168
70
03aa729a9e90 Refactor PLY file parsing from dmscene.* to dmply.* and some helper functions into dmutil.h
Matti Hamalainen <ccr@tnsp.org>
parents: 61
diff changeset
169 if (!dmLoadFromPLY(model, optInputFilename))
30
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
170 goto exit;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
171
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
172 if ((outFile = fopen(optOutputFilename.c_str(), "wb")) == NULL)
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
173 {
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
174 printf("ERROR: Could not create output file.\n");
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
175 goto exit;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
176 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
177
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 printf("Writing output PLY ..\n");
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179 if (!dmFWriteBINPLY(outFile, model))
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180 {
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
181 printf("ERROR: Error writing output PLY file.\n");
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
182 }
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
183
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
184 exit:
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
185 if (outFile != NULL)
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
186 fclose(outFile);
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
187
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
188 return 0;
1a0e823283e4 Add simple converter for converting ASCII ply files into binary format.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
189 }