void TestSimulationMakerFromFile::testModelsFromFileOneLevel() {
createSimulation("models_from_file.xml");
Models all = sim->seekDescendants<Model*>("*");
QCOMPARE(all.size(), 2*4+1+1);
QVERIFY(sim->peekOneDescendant<Model*>("A"));
QVERIFY(sim->peekOneDescendant<Model*>("D/stat"));
QCOMPARE(sim->seekOneDescendant<Model*>("A")->pullValue<int>("farmRealId"),
474840);
QCOMPARE(sim->seekOneDescendant<Model*>("D")->pullValue<QString>("soilType"),
QString("Clay"));
delete sim;
}
void TestSimulationMakerFromFile::testModelInstances() {
createSimulation("model_instances.xml");
Models all = sim->seekDescendants<Model*>("*");
QCOMPARE(all.size(), 3*(4*4+3)+1);
QVERIFY(sim->peekOneChild<Model*>("generations(1)"));
QVERIFY(sim->peekOneDescendant<Model*>("generations(2)/egg"));
QVERIFY(sim->peekOneDescendant<Model*>("generations(3)/pupa"));
QVERIFY(sim->peekOneDescendant<Model*>("generations(1)/larva(1)"));
QVERIFY(sim->peekOneDescendant<Model*>("generations(2)/larva(2)/kidney"));
QVERIFY(sim->peekOneDescendant<Model*>("generations(3)/larva(4)/ovary(2)"));
delete sim;
}
void TestSimulationMakerFromFile::testModelsFromCondensedFileParameterKey() {
createSimulation("models_from_condensed_file_parameter_key.xml");
Models all = sim->seekDescendants<Model*>("*");
QCOMPARE(all.size(), 1+1+4*5);
Model *crop = sim->seekOneDescendant<Model*>("landscape/C/WBarley");
QCOMPARE(crop->pullValue<double>("nitrogenNorm"), 130.);
crop = sim->seekOneDescendant<Model*>("landscape/D/SBarley");
QCOMPARE(crop->pullValue<double>("nitrogenNorm"), 90.);
delete sim;
}
void TestSimulationMakerFromFile::testModelsFromFileCondensed() {
createSimulation("models_from_file_condensed.xml");
Models all = sim->seekDescendants<Model*>("*");
QCOMPARE(all.size(), 1+1+4*5);
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A/Oats"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A/stat"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/C/stat"));
Model *crop = sim->peekOneDescendant<Model*>("landscape/B/WBarley");
QCOMPARE(crop->pullValue<int>("Area"), 40);
crop = sim->peekOneDescendant<Model*>("landscape/D/SBarley");
QCOMPARE(crop->pullValue<int>("Area"), 15);
delete sim;
}
void TestSimulationMakerFromFile::testModelsFromFileTwoLevels() {
createSimulation("models_from_file_nested.xml");
Models all = sim->seekDescendants<Model*>("*");
QCOMPARE(all.size(), 1+1+4+7+4);
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A/Oats"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A/stat"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/C/stat"));
try {
Model *crop = sim->seekOneDescendant<Model*>("landscape/B/WBarley");
QCOMPARE(crop->pullValue<int>("Area"), 40);
}
catch (Exception &ex) {
QString msg = "Unexpected exception. " + ex.message();
QFAIL(qPrintable(msg));
}
delete sim;
}
void TestSimulationMakerFromFile::testModelsFromFileThreeLevels()
{
createSimulation("models_from_file_nested_twice.xml");
Models all = sim->seekDescendants<Model*>("*");
// std::cout << "\n";
// for (int i = 0; i < all.size(); ++i)
// std::cout << i << " " << qPrintable(all[i]->fullLabel()) << "\n";
// std::cout << "\n";
QCOMPARE(all.size(), 1+1+1+4+7+4+16);
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A/Oats/Harvest"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/A/stat"));
QVERIFY(sim->peekOneDescendant<Model*>("landscape/C/stat"));
Model *harvest = sim->peekOneDescendant<Model*>("landscape/A/Oats/Harvest");
QCOMPARE(harvest->pullValue<QDate>("Date"), QDate(2010,8,15));
delete sim;
// std::cout << "\n";
// for (int i = 0; i < all.size(); ++i)
// std::cout << i << " " << qPrintable(all[i]->fullLabel()) << "\n";
// std::cout << "\n";
}
int main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc, argv);
// construct the viewer.
osgViewer::CompositeViewer viewer(arguments);
if (arguments.argc()<=1)
{
std::cout<<"Please supply an image filename on the commnand line."<<std::endl;
return 1;
}
std::string filename = arguments[1];
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(filename);
if (!image)
{
std::cout<<"Error: unable able to read image from "<<filename<<std::endl;
return 1;
}
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
osg::notify(osg::NOTICE)<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
return 1;
}
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
traits->windowDecoration = false;
traits->doubleBuffer = true;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
if (!gc)
{
std::cout<<"Error: GraphicsWindow has not been created successfully."<<std::endl;
}
gc->setClearColor(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
osg::ref_ptr<osgGA::TrackballManipulator> trackball = new osgGA::TrackballManipulator;
typedef std::vector< osg::ref_ptr<osg::Node> > Models;
Models models;
models.push_back(creatQuad("no compression", image.get(), osg::Texture::USE_IMAGE_DATA_FORMAT, osg::Texture::LINEAR));
models.push_back(creatQuad("ARB compression", image.get(), osg::Texture::USE_ARB_COMPRESSION, osg::Texture::LINEAR));
models.push_back(creatQuad("DXT1 compression", image.get(), osg::Texture::USE_S3TC_DXT1_COMPRESSION, osg::Texture::LINEAR));
models.push_back(creatQuad("DXT3 compression", image.get(), osg::Texture::USE_S3TC_DXT3_COMPRESSION, osg::Texture::LINEAR));
models.push_back(creatQuad("DXT5 compression", image.get(), osg::Texture::USE_S3TC_DXT5_COMPRESSION, osg::Texture::LINEAR));
int numX = 1;
int numY = 1;
// compute the number of views up and across that are need
{
float aspectRatio = float(width)/float(height);
float multiplier = sqrtf(float(models.size())/aspectRatio);;
float multiplier_x = multiplier*aspectRatio;
float multiplier_y = multiplier;
if ((multiplier_x/ceilf(multiplier_x)) > (multiplier_y/ceilf(multiplier_y)))
{
numX = int(ceilf(multiplier_x));
numY = int(ceilf(float(models.size())/float(numX)));
}
else
{
numY = int(ceilf(multiplier_y));
numX = int(ceilf(float(models.size())/float(numY)));
}
}
// populate the view with the required view to view each model.
for(unsigned int i=0; i<models.size(); ++i)
{
osgViewer::View* view = new osgViewer::View;
int xCell = i % numX;
int yCell = i / numX;
int vx = int((float(xCell)/float(numX)) * float(width));
int vy = int((float(yCell)/float(numY)) * float(height));
int vw = int(float(width) / float(numX));
int vh = int(float(height) / float(numY));
view->setSceneData(models[i].get());
view->getCamera()->setProjectionMatrixAsPerspective(30.0, double(vw) / double(vh), 1.0, 1000.0);
view->getCamera()->setViewport(new osg::Viewport(vx, vy, vw, vh));
view->getCamera()->setGraphicsContext(gc.get());
view->getCamera()->setClearMask(0);
view->setCameraManipulator(trackball.get());
viewer.addView(view);
}
return viewer.run();
}
