VertexBufferState::VertexBufferState( const GLEWContext* glewContext )
: _pmvMatrix( Matrix4f::IDENTITY )
, _glewContext( glewContext )
, _renderMode( RENDER_MODE_DISPLAY_LIST )
, _useColors( false )
, _useFrustumCulling( true )
{
_range[0] = 0.f;
_range[1] = 1.f;
resetRegion();
PLYLIBASSERT( glewContext );
}
/*
* Reset all quantities that depend on unit cell lengths.
*/
void OrthorhombicBoundary::reset()
{
resetRegion();
for (int i = 0; i < Dimension; ++i) {
invLengths_[i] = 1.0/lengths_[i];
bravaisBasisVectors_[i][i] = lengths_[i];
reciprocalBasisVectors_[i][i] = 2.0*Constants::Pi/lengths_[i];
}
minLength_ = lengths_[0];
for (int i = 1; i < Dimension; ++i) {
if (lengths_[i] < minLength_) {
minLength_ = lengths_[i];
}
}
}
hts_streamer::
hts_streamer(
const char* filename,
const char* region) :
_is_record_set(false),
_is_stream_end(false),
_record_no(0),
_stream_name(filename),
_hfp(nullptr),
_tidx(nullptr),
_titr(nullptr),
_kstr(kinit)
{
if (! filename)
{
BOOST_THROW_EXCEPTION(illumina::common::GeneralException("hts filename is null ptr"));
}
if ('\0' == *filename)
{
BOOST_THROW_EXCEPTION(illumina::common::GeneralException("hts filename is empty string"));
}
_hfp = hts_open(filename, "r");
if (! _hfp)
{
std::ostringstream oss;
oss << "Failed to open hts file: '" << filename << "'";
BOOST_THROW_EXCEPTION(illumina::common::GeneralException(oss.str()));
}
_load_index();
// read only a region of HTS file:
if (region)
{
resetRegion(region);
}
}
