void ICameraSchema::get( CameraSample & oSample,
const Abc::ISampleSelector &iSS ) const
{
ALEMBIC_ABC_SAFE_CALL_BEGIN( "ICameraSchema::get()" );
double sampleData[16];
m_coreProperties.get( sampleData, iSS );
oSample.reset();
oSample.setFocalLength( sampleData[0] );
oSample.setHorizontalAperture( sampleData[1] );
oSample.setHorizontalFilmOffset( sampleData[2] );
oSample.setVerticalAperture( sampleData[3] );
oSample.setVerticalFilmOffset( sampleData[4] );
oSample.setLensSqueezeRatio( sampleData[5] );
oSample.setOverScanLeft(sampleData[6]);
oSample.setOverScanRight(sampleData[7]);
oSample.setOverScanTop(sampleData[8]);
oSample.setOverScanBottom(sampleData[9]);
oSample.setFStop(sampleData[10]);
oSample.setFocusDistance(sampleData[11]);
oSample.setShutterOpen(sampleData[12]);
oSample.setShutterClose(sampleData[13]);
oSample.setNearClippingPlane(sampleData[14]);
oSample.setFarClippingPlane(sampleData[15]);
if ( m_smallFilmBackChannels &&
m_smallFilmBackChannels.getNumSamples() > 0 )
{
AbcA::index_t sampIdx = iSS.getIndex(
m_coreProperties.getTimeSampling(),
m_smallFilmBackChannels.getNumSamples() );
std::vector < double > channels (
m_smallFilmBackChannels.getDataType().getExtent() );
m_smallFilmBackChannels.get( &channels.front(), sampIdx );
std::size_t numOps = m_ops.size();
std::size_t curChan = 0;
for ( std::size_t i = 0; i < numOps; ++i )
{
oSample.addOp( m_ops[i] );
FilmBackXformOp & curOp = oSample[i];
std::size_t opChannels = curOp.getNumChannels();
for ( std::size_t j = 0; j < opChannels; ++j, ++curChan )
{
curOp.setChannelValue( j, channels[curChan] );
}
}
}
else if ( m_largeFilmBackChannels &&
m_largeFilmBackChannels.getNumSamples() > 0 )
{
AbcA::index_t sampIdx = iSS.getIndex(
m_coreProperties.getTimeSampling(),
m_largeFilmBackChannels.getNumSamples() );
Abc::DoubleArraySamplePtr chanSamp;
m_largeFilmBackChannels.get( chanSamp, sampIdx );
std::size_t numOps = m_ops.size();
std::size_t curChan = 0;
for ( std::size_t i = 0; i < numOps; ++i )
{
oSample.addOp( m_ops[i] );
FilmBackXformOp & curOp = oSample[i];
std::size_t opChannels = curOp.getNumChannels();
for ( std::size_t j = 0; j < opChannels; ++j, ++curChan )
{
curOp.setChannelValue( j, (*chanSamp)[curChan] );
}
}
}
ALEMBIC_ABC_SAFE_CALL_END();
}
//-*****************************************************************************
void cameraTest()
{
std::string fileName = "camera1.abc";
{
OArchive archive( Alembic::AbcCoreHDF5::WriteArchive(), fileName );
CameraSample samp;
OCamera simpleCamObj( OObject( archive, kTop ), "simpleCam" );
simpleCamObj.getSchema().set( samp );
OCamera camObj( OObject( archive, kTop ), "cam" );
OCameraSchema camSchema = camObj.getSchema();
samp.addOp( FilmBackXformOp( kScaleFilmBackOperation, "scale" ) );
samp.addOp( FilmBackXformOp( kTranslateFilmBackOperation, "offset" ) );
camSchema.set( samp );
samp[0].setScale( V2d( 2.0, 3.0 ) );
samp[1].setChannelValue( 0, 4.0 );
samp[1].setChannelValue( 1, 5.0 );
samp.setLensSqueezeRatio( 2.0 );
samp.setHorizontalAperture( 4.8 );
samp.setVerticalFilmOffset( 3.0 );
camSchema.set( samp );
}
{
M33d identity;
identity.makeIdentity();
CameraSample samp;
IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(), fileName );
ICamera simpleCam( IObject( archive, kTop ), "simpleCam" );
ICamera cam( IObject( archive, kTop ), "cam" );
// all default data
simpleCam.getSchema().get( samp );
TESTING_ASSERT( simpleCam.getSchema().getNumSamples() == 1 );
TESTING_ASSERT( almostEqual( samp.getFocalLength(), 35.0 ) );
TESTING_ASSERT( almostEqual( samp.getHorizontalAperture(), 3.6 ) );
TESTING_ASSERT( almostEqual( samp.getVerticalAperture(), 2.4 ) );
TESTING_ASSERT( almostEqual( samp.getHorizontalFilmOffset(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getVerticalFilmOffset(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getLensSqueezeRatio(), 1.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanLeft(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanRight(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanTop(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanBottom(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getFStop(), 5.6 ) );
TESTING_ASSERT( almostEqual( samp.getFocusDistance(), 5.0 ) );
TESTING_ASSERT( almostEqual( samp.getShutterOpen(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getShutterClose(), 1.0 ) );
TESTING_ASSERT( almostEqual( samp.getNearClippingPlane(), 0.1 ) );
TESTING_ASSERT( almostEqual( samp.getFarClippingPlane(), 100000.0 ) );
TESTING_ASSERT( samp.getNumOps() == 0 );
TESTING_ASSERT( samp.getNumOpChannels() == 0 );
TESTING_ASSERT( samp.getFilmBackMatrix() == identity );
TESTING_ASSERT( cam.getSchema().getNumSamples() == 2 );
cam.getSchema().get( samp );
TESTING_ASSERT( almostEqual( samp.getFocalLength(), 35.0 ) );
TESTING_ASSERT( almostEqual( samp.getHorizontalAperture(), 3.6 ) );
TESTING_ASSERT( almostEqual( samp.getVerticalAperture(), 2.4 ) );
TESTING_ASSERT( almostEqual( samp.getHorizontalFilmOffset(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getVerticalFilmOffset(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getLensSqueezeRatio(), 1.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanLeft(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanRight(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanTop(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanBottom(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getFStop(), 5.6 ) );
TESTING_ASSERT( almostEqual( samp.getFocusDistance(), 5.0 ) );
TESTING_ASSERT( almostEqual( samp.getShutterOpen(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getShutterClose(), 1.0 ) );
TESTING_ASSERT( almostEqual( samp.getNearClippingPlane(), 0.1 ) );
TESTING_ASSERT( almostEqual( samp.getFarClippingPlane(), 100000.0 ) );
TESTING_ASSERT( samp.getNumOps() == 2 );
TESTING_ASSERT( samp.getNumOpChannels() == 4 );
TESTING_ASSERT( samp[0].getHint() == "scale" );
TESTING_ASSERT( samp[0].getType() == kScaleFilmBackOperation );
TESTING_ASSERT( samp[0].getNumChannels() == 2 );
TESTING_ASSERT( almostEqual( samp[0].getChannelValue(0), 1.0 ) );
TESTING_ASSERT( almostEqual( samp[0].getChannelValue(1), 1.0 ) );
TESTING_ASSERT( samp[1].getHint() == "offset" );
TESTING_ASSERT( samp[1].getType() == kTranslateFilmBackOperation );
TESTING_ASSERT( samp[1].getNumChannels() == 2 );
TESTING_ASSERT( almostEqual( samp[1].getChannelValue(0), 0.0 ) );
TESTING_ASSERT( almostEqual( samp[1].getChannelValue(1), 0.0 ) );
TESTING_ASSERT( samp.getFilmBackMatrix() == identity );
cam.getSchema().get( samp, 1 );
TESTING_ASSERT( almostEqual( samp.getFocalLength(), 35.0 ) );
TESTING_ASSERT( almostEqual( samp.getHorizontalAperture(), 4.8 ) );
TESTING_ASSERT( almostEqual( samp.getVerticalAperture(), 2.4 ) );
TESTING_ASSERT( almostEqual( samp.getHorizontalFilmOffset(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getVerticalFilmOffset(), 3.0 ) );
TESTING_ASSERT( almostEqual( samp.getLensSqueezeRatio(), 2.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanLeft(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanRight(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanTop(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getOverScanBottom(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getFStop(), 5.6 ) );
TESTING_ASSERT( almostEqual( samp.getFocusDistance(), 5.0 ) );
TESTING_ASSERT( almostEqual( samp.getShutterOpen(), 0.0 ) );
TESTING_ASSERT( almostEqual( samp.getShutterClose(), 1.0 ) );
TESTING_ASSERT( almostEqual( samp.getNearClippingPlane(), 0.1 ) );
TESTING_ASSERT( almostEqual( samp.getFarClippingPlane(), 100000.0 ) );
TESTING_ASSERT( samp.getNumOps() == 2 );
TESTING_ASSERT( samp.getNumOpChannels() == 4 );
TESTING_ASSERT( samp[0].getHint() == "scale" );
TESTING_ASSERT( samp[0].getType() == kScaleFilmBackOperation );
TESTING_ASSERT( samp[0].getNumChannels() == 2 );
TESTING_ASSERT( almostEqual( samp[0].getChannelValue(0), 2.0 ) );
TESTING_ASSERT( almostEqual( samp[0].getChannelValue(1), 3.0 ) );
TESTING_ASSERT( samp[0].getScale().equalWithAbsError( V2d( 2.0, 3.0 ),
VAL_EPSILON ) );
TESTING_ASSERT( samp[1].getHint() == "offset" );
TESTING_ASSERT( samp[1].getType() == kTranslateFilmBackOperation );
TESTING_ASSERT( samp[1].getNumChannels() == 2 );
TESTING_ASSERT( almostEqual( samp[1].getChannelValue(0), 4.0 ) );
TESTING_ASSERT( almostEqual( samp[1].getChannelValue(1), 5.0 ) );
TESTING_ASSERT( samp[1].getTranslate().equalWithAbsError(
V2d( 4.0, 5.0 ), VAL_EPSILON ) );
M33d m;
m.makeIdentity();
m.scale( V2d( 2.0, 3.0 ) );
m.translate( V2d( 4.0, 5.0 ) );
TESTING_ASSERT( samp.getFilmBackMatrix().equalWithAbsError( m,
VAL_EPSILON ) );
}
}