1 |
|
|
// Copyright (c) 2019, Joseph Mirabel |
2 |
|
|
// Authors: Joseph Mirabel (joseph.mirabel@laas.fr) |
3 |
|
|
// |
4 |
|
|
// This file is part of gepetto-viewer. |
5 |
|
|
// gepetto-viewer is free software: you can redistribute it |
6 |
|
|
// and/or modify it under the terms of the GNU Lesser General Public |
7 |
|
|
// License as published by the Free Software Foundation, either version |
8 |
|
|
// 3 of the License, or (at your option) any later version. |
9 |
|
|
// |
10 |
|
|
// gepetto-viewer is distributed in the hope that it will be |
11 |
|
|
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
12 |
|
|
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 |
|
|
// General Lesser Public License for more details. You should have |
14 |
|
|
// received a copy of the GNU Lesser General Public License along with |
15 |
|
|
// gepetto-viewer. If not, see <http://www.gnu.org/licenses/>. |
16 |
|
|
|
17 |
|
|
#include <osg/ArgumentParser> |
18 |
|
|
#include <osg/LOD> |
19 |
|
|
#include <osgDB/ReadFile> |
20 |
|
|
#include <osgDB/WriteFile> |
21 |
|
|
#include <osgUtil/Simplifier> |
22 |
|
|
|
23 |
|
|
int main(int argc, char** argv) { |
24 |
|
|
osg::ArgumentParser arguments(&argc, argv); |
25 |
|
|
osg::ApplicationUsage* au(arguments.getApplicationUsage()); |
26 |
|
|
au->setCommandLineUsage(arguments.getApplicationName() + " [options]"); |
27 |
|
|
|
28 |
|
|
au->addCommandLineOption("-i <file> or --input <file>", "Read file"); |
29 |
|
|
au->addCommandLineOption("-s or --simplify", |
30 |
|
|
"Add to LOD node a simplified version of the input. " |
31 |
|
|
"Value must be ratio,mindist,maxdist"); |
32 |
|
|
au->addCommandLineOption("-o <file> or --output <file>", |
33 |
|
|
"Write current LOD node to file."); |
34 |
|
|
|
35 |
|
|
osg::ApplicationUsage::Type help(arguments.readHelpType()); |
36 |
|
|
|
37 |
|
|
std::string inputFilename, outputFilename; |
38 |
|
|
std::vector<float> ratios, minDists, maxDists; |
39 |
|
|
|
40 |
|
|
bool usage = (help != osg::ApplicationUsage::NO_HELP); |
41 |
|
|
if (!arguments.read("-i", inputFilename) && |
42 |
|
|
!arguments.read("--input", inputFilename)) { |
43 |
|
|
usage = true; |
44 |
|
|
} |
45 |
|
|
if (!arguments.read("-o", outputFilename) && |
46 |
|
|
!arguments.read("--output", outputFilename)) { |
47 |
|
|
usage = true; |
48 |
|
|
} |
49 |
|
|
std::string str; |
50 |
|
|
float ratio, minDist, maxDist; |
51 |
|
|
while (arguments.read("-s", str) || arguments.read("--simplify", str)) { |
52 |
|
|
if (sscanf(str.c_str(), "%f,%f,%f", &ratio, &minDist, &maxDist) != 3) { |
53 |
|
|
std::cerr << "Simplifier argument format incorrect." << std::endl; |
54 |
|
|
return 1; |
55 |
|
|
} |
56 |
|
|
ratios.push_back(ratio); |
57 |
|
|
minDists.push_back(minDist); |
58 |
|
|
maxDists.push_back(maxDist); |
59 |
|
|
} |
60 |
|
|
if (ratios.size() == 0) usage = true; |
61 |
|
|
|
62 |
|
|
arguments.reportRemainingOptionsAsUnrecognized(osg::ArgumentParser::BENIGN); |
63 |
|
|
if (arguments.errors(osg::ArgumentParser::CRITICAL)) { |
64 |
|
|
arguments.writeErrorMessages(std::cout); |
65 |
|
|
} else if (arguments.errors(osg::ArgumentParser::BENIGN)) { |
66 |
|
|
arguments.writeErrorMessages(std::cout); |
67 |
|
|
} |
68 |
|
|
|
69 |
|
|
if (usage) { |
70 |
|
|
au->write(std::cout, help, 80, true); |
71 |
|
|
return 1; |
72 |
|
|
} |
73 |
|
|
|
74 |
|
|
osg::ref_ptr<osg::Node> input = osgDB::readNodeFile(inputFilename); |
75 |
|
|
osg::ref_ptr<osg::LOD> lod = new osg::LOD; |
76 |
|
|
osgUtil::Simplifier simplifier; |
77 |
|
|
|
78 |
|
|
for (std::size_t i = 0; i < ratios.size(); ++i) { |
79 |
|
|
std::cout << "Simplifying with " << ratios[i] << ", " << minDists[i] << ", " |
80 |
|
|
<< maxDists[i] << std::endl; |
81 |
|
|
|
82 |
|
|
ratio = ratios[i]; |
83 |
|
|
osg::ref_ptr<osg::Node> simplified; |
84 |
|
|
if (ratio == 1) { |
85 |
|
|
simplified = input; |
86 |
|
|
} else { |
87 |
|
|
simplifier.setSampleRatio(ratio); |
88 |
|
|
simplified = |
89 |
|
|
dynamic_cast<osg::Node*>(input->clone(osg::CopyOp::DEEP_COPY_ALL)); |
90 |
|
|
simplified->accept(simplifier); |
91 |
|
|
} |
92 |
|
|
lod->addChild(simplified, minDists[i], maxDists[i]); |
93 |
|
|
} |
94 |
|
|
|
95 |
|
|
osgDB::writeNodeFile(*lod, outputFilename); |
96 |
|
|
return 0; |
97 |
|
|
} |