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Federico Ponchio 2004-12-01 01:15:03 +00:00
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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.26 2004/11/30 22:49:39 ponchio
Level 0.
****************************************************************************/
#ifdef WIN32
#include <wrap/system/getopt.h>
#else
#include <unistd.h>
#endif
#include <iostream>
#include "nxstypes.h"
#include "crude.h"
#include "remapping.h"
#include "decimate.h"
using namespace std;
using namespace vcg;
using namespace nxs;
/*struct PIndex {
int64 offset;
unsigned int lenght;
};
class FaceIndex: public std::vector<PIndex> {};*/
void usage() {
cerr << "Usage: voronoinxs <crude> <output> [options]\n"
" Options:\n"
" -f N: use N faces per patch (default 1000, max 32000)\n"
" -t N: mini faces per patch (default 200)\n"
" -l N: number of levels\n"
" -s F: scaling factor (0 < F < 1, default 0.5)\n"
" -o N: number of optimization steps\n"
" -d <method>: decimation method: quadric, cluster. (default quadric)\n"
" -b N: ram buffer size (in bytes)\n"
" -p N: which fase perform:\n"
" 0) Remap faces\n"
" 1) Sort faces\n"
" 2) Build patches\n"
" 3) Build borders\n"
" 4) Build levels\n\n"
" If you use the step option, all other parameters MUST stay the same\n\n";
}
void FirstStep(const string &crudefile, const string &output,
unsigned int patch_size, unsigned int patch_threshold,
float scaling, unsigned int optimization_steps) {
Crude crude;
if(!crude.Load(crudefile, true)) {
cerr << "Could not open crude input: " << crudefile << endl;
exit(0);
}
if(patch_size > crude.vert.Size()/2) {
cerr << "Patch size too big: " << patch_size << " * 2 > "
<< crude.vert.Size() << endl;
exit(0);
}
if(patch_threshold == 0xffffffff)
patch_threshold = patch_size/4;
VChain vchain;
VFile<unsigned int> face_remap;
if(!face_remap.Create(output + ".rmf")) {
cerr << "Could not create remap files: " << output << ".rmf\n";
exit(0);
}
face_remap.Resize(crude.Faces());
VFile<Point3f> baricenters;
if(!baricenters.Create(output + string(".bvr"))) {
cerr << "Could not create temporary baricenters file\n";
exit(0);
}
baricenters.Resize(crude.Faces());
for(unsigned int i = 0; i < crude.Faces(); i++) {
baricenters[i] = crude.GetBari(i);
}
BlockIndex face_index;
Remap(vchain, baricenters, face_remap, face_index,
patch_size, patch_threshold, 65000, scaling,
optimization_steps);
if(!vchain.Save(output + ".vchain")) {
cerr << "Could not save file: " << output << ".vchain\n";
exit(0);
}
if(!face_index.Save(output + ".rmi")) {
cerr << "Could not save file: " << output << ".rmi\n";
exit(0);
}
baricenters.Delete();
}
int main(int argc, char *argv[]) {
/* Parameters: */
unsigned int patch_size = 1000; //step 0
unsigned int patch_threshold = 0xffffffff; //Step 0
float scaling = 0.5; //step 0, 4
unsigned int optimization_steps = 5; //step 0, 4
Decimation decimation = CLUSTER; //step 4
unsigned int max_level = 0xffffffff; //step 4
unsigned int ram_buffer = 128000000; //step 2, 3, 4
unsigned int chunk_size = 1024; //step 2, 3, 4
int step = -1; //means all of them.
int option;
while((option = getopt(argc, argv, "f:t:l:s:d:o:b:c:p:")) != EOF) {
switch(option) {
case 'f': patch_size = atoi(optarg);
if(patch_size == 0 || patch_size > 32000) {
cerr << "Invalid number of faces per patch: " << optarg << endl;
return -1;
}
break;
case 't': patch_threshold = atoi(optarg);
if(patch_threshold == 0 || patch_threshold > patch_size) {
cerr << "Invalid patch threshold: " << optarg << endl;
return -1;
}
break;
case 'l': max_level = atoi(optarg);
if(max_level == 0) {
cerr << "Invalid number of levels: " << optarg << endl;
return -1;
}
break;
case 's': scaling = (float)atof(optarg);
if(scaling <= 0 || scaling >= 1) {
cerr << "Invalid scaling: " << optarg << endl;
cerr << "Must be 0 < scaling < 1" << endl;
}
break;
case 'd':
if(!strcmp("quadric", optarg))
decimation = QUADRIC;
else if(!strcmp("cluster", optarg))
decimation = CLUSTER;
else {
cerr << "Unknown decimation method: " << optarg << endl;
return -1;
}
break;
case 'o': optimization_steps = atoi(optarg); break;
case 'p': step = atoi(optarg); break;
case 'b': ram_buffer = atoi(optarg);
if(ram_buffer == 0) {
cerr << "Invalid ram buffer: " << optarg << endl;
return -1;
}
break;
case 'c': chunk_size = atoi(optarg);
if(chunk_size == 0) {
cerr << "Invalid chunk size: " << optarg << endl;
return -1;
}
break;
default: cerr << "Unknown option: " << (char)option << endl;
return -1;
}
}
if(optind != argc -2) {
usage();
return -1;
}
string crudefile = argv[optind];
string output = argv[optind+1];
if(step < 0 || step == 0)
FirstStep(crudefile, output, patch_size, patch_threshold,
scaling, optimization_steps);
return 0;
}