void BCIDataSet::buildInstance(int epoch, int t0)
{
if(cache.hasInstance(epoch, t0))
{
tempInstance = cache.getInstance(epoch, t0);
}
else
{
Eigen::MatrixXd original = extractInstance(epoch, t0);
if(decimated)
{
Decimator decimator(downSamplingFactor);
Eigen::MatrixXd decimatedSignal = decimator.decimate(original);
if(comp)
{
Eigen::VectorXd uncompressed = toVector(decimatedSignal);
tempInstance = compressor.compress(uncompressed);
}
else
tempInstance = toVector(decimatedSignal);
}
else
{
if(comp)
{
Eigen::VectorXd uncompressed = toVector(original);
tempInstance = compressor.compress(uncompressed);
}
else
tempInstance = toVector(original);
}
if(cache.hasSpace())
cache.cacheInstance(epoch, t0, tempInstance);
}
}
void MeshDecimator::decimateQuadric(Data::OMMesh& mesh)
{
DecimatorT decimator(mesh);
OpenMesh::Decimater::ModQuadricT<Data::OMMesh>::Handle handle;
decimator.add(handle);
decimator.module(handle).set_binary(false);
decimator.module(handle).set_max_err(0.0001);
if (!decimator.initialize()) {
m_error = "Initialization for mesh decimation failed: Quadric module";
return;
}
decimator.decimate();
mesh.garbage_collection();
}
void MeshDecimator::decimateAspectRatio(Data::OMMesh& mesh)
{
DecimatorT decimator(mesh);
OpenMesh::Decimater::ModAspectRatioT<Data::OMMesh>::Handle handle;
decimator.add(handle);
decimator.module(handle).set_binary(false);
decimator.module(handle).set_aspect_ratio(10.0);
if (!decimator.initialize()) {
m_error = "Initialization for mesh decimation failed: Aspect Ratio module";
return;
}
decimator.decimate();
mesh.garbage_collection();
}
void MeshDecimator::decimateEdgeLength(Data::OMMesh& mesh)
{
DecimatorT decimator(mesh);
OpenMesh::Decimater::ModEdgeLengthT<Data::OMMesh>::Handle handle;
decimator.add(handle);
decimator.module(handle).set_binary(false);
decimator.module(handle).set_edge_length(0.1);
if (!decimator.initialize()) {
m_error = "Initialization for mesh decimation failed: Edge Length module";
return;
}
decimator.decimate();
mesh.garbage_collection();
}
void MeshDecimator::decimateNormalDeviation(Data::OMMesh& mesh)
{
// Normal Deviation
DecimatorT decimator(mesh);
OpenMesh::Decimater::ModNormalDeviationT<Data::OMMesh>::Handle handle;
decimator.add(handle);
decimator.module(handle).set_binary(false);
decimator.module(handle).set_normal_deviation(4);
if (!decimator.initialize()) {
m_error = "Initialization for mesh decimation failed: Normal Deviation module";
return;
}
decimator.decimate();
mesh.garbage_collection();
}
void MeshDecimator::decimateQuadricAndEdge(Data::OMMesh& mesh, double const edgeThreshold)
{
DecimatorT decimator(mesh);
OpenMesh::Decimater::ModQuadricT<Data::OMMesh>::Handle handle;
decimator.add(handle);
decimator.module(handle).set_binary(false);
decimator.module(handle).set_max_err(0.0001);
OpenMesh::Decimater::ModEdgeLengthT<Data::OMMesh>::Handle ehandle;
decimator.add(ehandle);
decimator.module(ehandle).set_binary(true);
decimator.module(ehandle).set_edge_length(edgeThreshold);
if (!decimator.initialize()) {
m_error = "Initialization for mesh decimation failed: Quadric module";
return;
}
decimator.decimate();
mesh.garbage_collection();
}
