void Example1_CurvesIn()
{
IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(), "curves1.abc" );
std::cout << "Reading: " << archive.getName() << std::endl;
std::cout <<"constructing curves" << std::endl;
ICurves myCurves( IObject( archive, kTop) , "reallly_long_curves_name");
std::cout << "getting schema" << std::endl;
ICurvesSchema &curves = myCurves.getSchema();
std::cout << "done getting schema" << std::endl;
// get the samples from the curves
ICurvesSchema::Sample curvesSample;
curves.get( curvesSample );
// test the bounding box
TESTING_ASSERT( curvesSample.getSelfBounds().min == V3d( -1.0, -1.0, -1.0 ) );
std::cout << "bounds max " << curvesSample.getSelfBounds().max << std::endl;
TESTING_ASSERT( curvesSample.getSelfBounds().max == V3d( 1.0, 1.0, 1.0 ) );
// test other attributes
TESTING_ASSERT( curvesSample.getPositions() -> size() == 12);
IFloatGeomParam::Sample widthSample;
curves.getWidthsParam().getExpanded( widthSample );
TESTING_ASSERT( widthSample.getVals()->size() == 12);
TESTING_ASSERT( curves.getWidthsParam().valid() );
TESTING_ASSERT( widthSample.getScope() == kVertexScope );
}
//-*****************************************************************************
void ICurvesDrw::setTime( chrono_t iSeconds )
{
IObjectDrw::setTime( iSeconds );
// Use nearest for now.
ISampleSelector ss( iSeconds, ISampleSelector::kNearIndex );
ICurvesSchema::Sample curvesSample;
if ( m_curves.getSchema().getNumSamples() > 0 )
{ m_curves.getSchema().get( curvesSample, ss ); }
else
{ return; }
m_positions = curvesSample.getPositions();
m_nCurves = curvesSample.getNumCurves();
m_nVertices = curvesSample.getCurvesNumVertices();
m_bounds.makeEmpty();
m_bounds.extendBy( curvesSample.getSelfBounds() );
}
void Example2_CurvesIn()
{
IArchive archive( Alembic::AbcCoreOgawa::ReadArchive(), "curves2.abc" );
ICurves myCurves( IObject( archive, kTop) , "nurbsCurve");
ICurvesSchema &curves = myCurves.getSchema();
// get the samples from the curves
ICurvesSchema::Sample curvesSample;
curves.get( curvesSample );
// test the bounding box
TESTING_ASSERT( curvesSample.getSelfBounds().min == V3d( -1.0, -1.0, -1.0 ) );
TESTING_ASSERT( curvesSample.getSelfBounds().max == V3d( 1.0, 1.0, 1.0 ) );
// test other attributes
TESTING_ASSERT( curvesSample.getPositions() -> size() == 12);
TESTING_ASSERT( curvesSample.getType() == kVariableOrder );
TESTING_ASSERT( curvesSample.getWrap() == kNonPeriodic );
TESTING_ASSERT( curvesSample.getBasis() == kBezierBasis );
TESTING_ASSERT( ( *curvesSample.getOrders() )[0] == 4 );
TESTING_ASSERT( ( *curvesSample.getOrders() )[1] == 2 );
TESTING_ASSERT( curvesSample.getPositionWeights()->size() == 12 );
TESTING_ASSERT( curvesSample.getKnots()->size() == 18 );
IFloatGeomParam::Sample widthSample;
curves.getWidthsParam().getExpanded( widthSample );
TESTING_ASSERT( widthSample.getVals()->size() == 12);
TESTING_ASSERT( curves.getWidthsParam().valid() );
TESTING_ASSERT( widthSample.getScope() == kVertexScope );
IFloatArrayProperty knotsProp = curves.getKnotsProperty();
TESTING_ASSERT( knotsProp.getNumSamples() == 2 );
ArraySampleKey keyA, keyB;
knotsProp.getKey( keyA, 0 );
knotsProp.getKey( keyB, 1 );
TESTING_ASSERT( keyA == keyB );
}