//-***************************************************************************** void IXformSchema::get( XformSample &oSamp, const Abc::ISampleSelector &iSS ) const { ALEMBIC_ABC_SAFE_CALL_BEGIN( "IXformSchema::get()" ); oSamp.reset(); if ( ! valid() ) { return; } oSamp = m_sample; if ( m_inheritsProperty && m_inheritsProperty.getNumSamples() > 0 ) { oSamp.setInheritsXforms( m_inheritsProperty.getValue( iSS ) ); } if ( ! m_valsProperty ) { return; } AbcA::index_t numSamples = 0; if ( m_useArrayProp ) { numSamples = m_valsProperty->asArrayPtr()->getNumSamples(); } else { numSamples = m_valsProperty->asScalarPtr()->getNumSamples(); } if ( numSamples == 0 ) { return; } AbcA::index_t sampIdx = iSS.getIndex( m_valsProperty->getTimeSampling(), numSamples ); if ( sampIdx < 0 ) { return; } this->getChannelValues( sampIdx, oSamp ); ALEMBIC_ABC_SAFE_CALL_END(); }
//-***************************************************************************** void xformOut() { OArchive archive( Alembic::AbcCoreOgawa::WriteArchive(), "Xform1.abc" ); OXform a( OObject( archive, kTop ), "a" ); OXform b( a, "b" ); OXform c( b, "c" ); OXform d( c, "d" ); OXform e( d, "e" ); OXform f( e, "f" ); OXform g( f, "g" ); XformOp transop( kTranslateOperation, kTranslateHint ); XformOp scaleop( kScaleOperation, kScaleHint ); XformOp matrixop( kMatrixOperation, kMatrixHint ); TESTING_ASSERT( a.getSchema().getNumSamples() == 0 ); OBox3dProperty childBounds = a.getSchema().getChildBoundsProperty(); XformSample asamp; for ( size_t i = 0; i < 20; ++i ) { asamp.addOp( transop, V3d( 12.0, i + 42.0, 20.0 ) ); if ( i >= 18 ) { childBounds.set( Abc::Box3d( V3d( -1.0, -1.0, -1.0 ), V3d( 1.0, 1.0, 1.0 ) ) ); } else { childBounds.set( Abc::Box3d() ); } a.getSchema().set( asamp ); } XformSample bsamp; for ( size_t i = 0 ; i < 20 ; ++i ) { bsamp.setInheritsXforms( (bool)(i&1) ); b.getSchema().set( bsamp ); } // for c we write nothing XformSample dsamp; dsamp.addOp( scaleop, V3d( 3.0, 6.0, 9.0 ) ); d.getSchema().set( dsamp ); XformSample esamp; M44d identmat; identmat.makeIdentity(); esamp.addOp( transop, V3d( 0.0, 0.0, 0.0 ) ); esamp.addOp( XformOp( kMatrixOperation, kMatrixHint ), identmat ); esamp.addOp( scaleop, V3d( 1.0, 1.0, 1.0 ) ); e.getSchema().set( esamp ); XformSample fsamp; fsamp.addOp( transop, V3d( 3.0, -4.0, 5.0 ) ); f.getSchema().set( fsamp ); // this will cause the Xform's values property to be an ArrayProperty, // since there will be 20 * 16 channels. XformSample gsamp; Abc::M44d gmatrix; gmatrix.makeIdentity(); for ( size_t i = 0 ; i < 20 ; ++i ) { gmatrix.x[0][1] = (double)i; gsamp.addOp( matrixop, gmatrix ); } g.getSchema().set( gsamp ); }