void readFlatHierarchy(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(), archiveName, ErrorHandler::kThrowPolicy ); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const int numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 10, "Expected 10 children, found " << numChildren ); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names for (int ii=0; ii<numChildren; ii++) { IObject child( archiveTop, archiveTop.getChildHeader(ii).getName() ); std::cout << " " << child.getName(); const unsigned int children = child.getNumChildren(); std::cout << " has " << children << " children" << std::endl; ABCA_ASSERT( children == 0, "Expected no children, found " << children ); } // Done - the archive closes itself }
void readEmptyCompoundProperties(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. AbcF::IFactory factory; factory.setPolicy( ErrorHandler::kThrowPolicy ); AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive(archiveName, coreType); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const int numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 2, "Wrong number of children (expected 2)"); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names for (int ii=0; ii<numChildren; ii++) { IObject child( archiveTop, archiveTop.getChildHeader(ii).getName() ); std::cout << " " << child.getName(); std::cout << " has " << child.getNumChildren() << " children" << std::endl; // Properties ICompoundProperty props = child.getProperties(); int numProperties = props.getNumProperties(); std::cout << " ..and " << numProperties << " properties" << std::endl; std::vector<std::string> propNames; for (int pp=0; pp<numProperties; pp++) propNames.push_back( props.getPropertyHeader(pp).getName() ); for (int jj=0; jj<numProperties; jj++) { std::cout << " ..named " << propNames[jj] << std::endl; std::cout << " ..with type: "; PropertyType pType = props.getPropertyHeader(jj).getPropertyType(); if (pType == kCompoundProperty) { std::cout << "compound" << std::endl; } else if (pType == kScalarProperty) { std::cout << "scalar" << std::endl; } else if (pType == kArrayProperty) { std::cout << "array" << std::endl; } } } // Done - the archive closes itself }
void readDeepHierarchy(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. AbcF::IFactory factory; factory.setPolicy( ErrorHandler::kThrowPolicy ); AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive(archiveName, coreType); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const unsigned int numChildren = archiveTop.getNumChildren(); std::cout << "The archive has " << numChildren << " children:" << std::endl; ABCA_ASSERT( numChildren == 2, "Expected 2 children, found " << numChildren ); // Iterate through them, print out their names for (unsigned int ii=0; ii<numChildren; ii++) { IObject child( archiveTop, archiveTop.getChildHeader(ii).getName() ); std::cout << " " << child.getName(); recursivelyReadChildren( child ); } // do it again to make sure we clean up after ourselves properly IArchive archive2 = factory.getArchive(archiveName, coreType); IObject archiveTop2 = archive2.getTop(); // Done - the archive closes itself }
void scopingTest(bool useOgawa) { { OObject top; { OArchive archive; if (useOgawa) { archive = CreateArchiveWithInfo( Alembic::AbcCoreOgawa::WriteArchive(), "archiveScopeTest.abc", "Alembic test", "", MetaData() ); } else { archive = CreateArchiveWithInfo( Alembic::AbcCoreHDF5::WriteArchive(), "archiveScopeTest.abc", "Alembic test", "", MetaData() ); } top = archive.getTop(); } OObject childA( top, "a"); OObject childB( top, "b"); ODoubleProperty prop(top.getProperties(), "prop", 0); TESTING_ASSERT(prop.getObject().getArchive().getName() == "archiveScopeTest.abc"); } { IObject top; { AbcF::IFactory factory; AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive("archiveScopeTest.abc", coreType); TESTING_ASSERT( (useOgawa && coreType == AbcF::IFactory::kOgawa) || (!useOgawa && coreType == AbcF::IFactory::kHDF5) ); top = archive.getTop(); double start, end; GetArchiveStartAndEndTime( archive, start, end ); TESTING_ASSERT( start == DBL_MAX && end == -DBL_MAX ); } TESTING_ASSERT(top.getNumChildren() == 2 ); TESTING_ASSERT(top.getChildHeader("a") != NULL); TESTING_ASSERT(top.getChildHeader("b") != NULL); TESTING_ASSERT( ! top.getParent().valid() ); TESTING_ASSERT( top.getArchive().getName() == "archiveScopeTest.abc"); IScalarProperty prop(top.getProperties(), "prop"); TESTING_ASSERT(prop.valid()); TESTING_ASSERT(prop.getObject().getArchive().getName() == "archiveScopeTest.abc"); } }
//-***************************************************************************** void visitObject( IObject iObj ) { std::string path = iObj.getFullName(); const MetaData &md = iObj.getMetaData(); if ( IPolyMeshSchema::matches( md ) || ISubDSchema::matches( md ) ) { Box3d bnds = getBounds( iObj ); std::cout << path << " " << bnds.min << " " << bnds.max << std::endl; } // now the child objects for ( size_t i = 0 ; i < iObj.getNumChildren() ; i++ ) { visitObject( IObject( iObj, iObj.getChildHeader( i ).getName() ) ); } }
bool getNamedCamera( IObject iObjTop, const std::string &iName, ICamera &iCam ) { // Return true if found const Alembic::AbcGeom::MetaData &md = iObjTop.getMetaData(); if ( (iObjTop.getName() == iName) && (ICamera::matches( md )) ) { iCam = ICamera(iObjTop, kWrapExisting ); return true; } // now the child objects for ( size_t i = 0 ; i < iObjTop.getNumChildren() ; i++ ) { if (getNamedCamera(IObject( iObjTop, iObjTop.getChildHeader( i ).getName() ), iName, iCam )) return true; } return false; }
//-***************************************************************************** void visitObject( IObject iObj, std::string iIndent ) { // Object has a name, a full name, some meta data, // and then it has a compound property full of properties. std::string path = iObj.getFullName(); if ( path != "/" ) { std::cout << "Object " << "name=" << path << std::endl; } // Get the properties. ICompoundProperty props = iObj.getProperties(); visitProperties( props, iIndent ); // now the child objects for ( size_t i = 0 ; i < iObj.getNumChildren() ; i++ ) { visitObject( IObject( iObj, iObj.getChildHeader( i ).getName() ), iIndent ); } }
void readSimpleProperties(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. AbcF::IFactory factory; factory.setPolicy( ErrorHandler::kThrowPolicy ); AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive(archiveName, coreType); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const int numChildren = archiveTop.getNumChildren(); TESTING_ASSERT( numChildren == 4 ); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names for (int ii=0; ii<numChildren; ii++) { IObject child( archiveTop, archiveTop.getChildHeader( ii ).getName() ); std::cout << " " << child.getName(); std::cout << " has " << child.getNumChildren() << " children" << std::endl; // Properties ICompoundProperty props = child.getProperties(); int numProperties = props.getNumProperties(); std::cout << " ..and " << numProperties << " simple properties" << std::endl; std::vector<std::string> propNames; for (int pp=0; pp<numProperties; pp++) propNames.push_back( props.getPropertyHeader(pp).getName() ); for (int jj=0; jj<numProperties; jj++) { std::cout << " ..named " << propNames[jj] << std::endl; std::cout << " ..with type: "; PropertyType pType = props.getPropertyHeader(jj).getPropertyType(); if (pType == kCompoundProperty) { std::cout << "compound" << std::endl; } else if (pType == kScalarProperty) { std::cout << "scalar" << std::endl; } else if (pType == kArrayProperty) { std::cout << "array" << std::endl; } DataType dType = props.getPropertyHeader(jj).getDataType(); std::cout << " ..with POD-type: "; switch (dType.getPod()) { case kBooleanPOD: std::cout << "boolean" << std::endl; break; // Char/UChar case kUint8POD: std::cout << "unsigned char" << std::endl; break; case kInt8POD: std::cout << "char" << std::endl; break; // Short/UShort case kUint16POD: std::cout << "short unsigned int" << std::endl; break; case kInt16POD: std::cout << "short int" << std::endl; break; // Int/UInt case kUint32POD: std::cout << "unsigned int" << std::endl; break; case kInt32POD: std::cout << "int" << std::endl; break; // Long/ULong case kUint64POD: std::cout << "unsigned long int" << std::endl; break; case kInt64POD: std::cout << "long int" << std::endl; break; // Half/Float/Double case kFloat16POD: std::cout << "half" << std::endl; break; case kFloat32POD: std::cout << "float" << std::endl; break; case kFloat64POD: std::cout << "double" << std::endl; break; case kStringPOD: std::cout << "string" << std::endl; break; case kUnknownPOD: default: std::cout << " Unknown! (this is bad)" << std::endl; }; TimeSamplingPtr ts = GetCompoundPropertyReaderPtr(props)-> getScalarProperty( propNames[jj] )->getTimeSampling(); int numSamples = ts->getNumStoredTimes(); std::cout << " ..and " << ts->getTimeSamplingType() << std::endl << " ..and " << numSamples << " samples at times: "; if (numSamples > 0) { std::cout << " ( "; for (int ss=0; ss<numSamples; ss++) std::cout << ts->getSampleTime(ss) << " "; std::cout << ")"; } std::cout << std::endl; std::cout << " ..and values: "; if (numSamples > 0) { for (int ss=0; ss<numSamples; ss++) { ISampleSelector iss( (index_t) ss); switch (dType.getPod()) { // Boolean case kBooleanPOD: { IBoolProperty prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } // Char/UChar case kUint8POD: { IUcharProperty prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } case kInt8POD: { ICharProperty prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } // Short/UShort case kUint16POD: { IUInt16Property prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } case kInt16POD: { IInt16Property prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } // Int/UInt case kUint32POD: { IUInt32Property prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } case kInt32POD: { IInt32Property prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } // Long/ULong case kUint64POD: { IUInt64Property prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } case kInt64POD: { IInt64Property prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } // Half/Float/Double case kFloat16POD: // iostream doesn't understand float_16's //printSampleValue( IHalfProperty( props, propNames[jj] ), // iss ); break; case kFloat32POD: { IFloatProperty prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } case kFloat64POD: { IDoubleProperty prop( props, propNames[jj] ); printSampleValue( prop, iss ); break; } case kUnknownPOD: default: std::cout << " Unknown! (this is bad)" << std::endl; }; } } std::cout << std::endl; std::cout << std::endl; // done parsing property } } // Done - the archive closes itself }
void IGeom::setupWithObject(IObject object) { size_t numChildren = object.getNumChildren(); for (size_t i = 0; i < numChildren; ++i) { const ObjectHeader &ohead = object.getChildHeader(i); ofPtr<IGeom> dptr; if (Alembic::AbcGeom::IPolyMesh::matches(ohead)) { Alembic::AbcGeom::IPolyMesh pmesh(object, ohead.getName()); if (pmesh) { dptr.reset(new ofxAlembic::IPolyMesh(pmesh)); } } else if (Alembic::AbcGeom::IPoints::matches(ohead)) { Alembic::AbcGeom::IPoints points(object, ohead.getName()); if (points) { dptr.reset(new ofxAlembic::IPoints(points)); } } else if (Alembic::AbcGeom::ICurves::matches(ohead)) { Alembic::AbcGeom::ICurves curves(object, ohead.getName()); if (curves) { dptr.reset(new ofxAlembic::ICurves(curves)); } } else if (Alembic::AbcGeom::INuPatch::matches(ohead)) { ofLogError("ofxAlembic") << "INuPatch not implemented"; assert(false); // Alembic::AbcGeom::INuPatch nuPatch(object, ohead.getName()); // if ( nuPatch ) // { // dptr.reset( new INuPatchDrw( nuPatch ) ); // } } else if (Alembic::AbcGeom::IXform::matches(ohead)) { Alembic::AbcGeom::IXform xform(object, ohead.getName()); if (xform) { dptr.reset(new ofxAlembic::IXform(xform)); } } else if (Alembic::AbcGeom::ISubD::matches(ohead)) { ofLogError("ofxAlembic") << "ISubD not implemented"; assert(false); // Alembic::AbcGeom::ISubD subd(object, ohead.getName()); // if ( subd ) // { // dptr.reset( new ISubDDrw( subd ) ); // } } else if (Alembic::AbcGeom::ICamera::matches(ohead)) { Alembic::AbcGeom::ICamera camera(object, ohead.getName()); if (camera) { dptr.reset(new ofxAlembic::ICamera(camera)); } } else { ofLogError("ofxAlembic") << "unknown object type: " << ohead.getFullName(); } if (dptr && dptr->valid()) { dptr->index = m_children.size(); m_children.push_back(dptr); m_minTime = std::min(m_minTime, dptr->m_minTime); m_maxTime = std::max(m_maxTime, dptr->m_maxTime); } } }
void readProperty(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. std::cout << "Reading " << archiveName << std::endl; IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(), archiveName, ErrorHandler::kThrowPolicy ); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const unsigned int numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 1, "Wrong number of children (expected 3)"); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names IObject child( archiveTop, archiveTop.getChildHeader(0).getName() ); std::cout << " " << child.getName(); // Properties ICompoundProperty props = child.getProperties(); size_t numProperties = props.getNumProperties(); // only top-level props ABCA_ASSERT( numProperties == 1, "Expected 1 property, found " << numProperties); std::cout << " has a simple property"; std::vector<std::string> propNames(1); propNames[0] = props.getPropertyHeader(0).getName(); std::cout << " named " << propNames[0] << std::endl; PropertyType pType = props.getPropertyHeader(0).getPropertyType(); ABCA_ASSERT( pType == kScalarProperty, "Expected a scalar property, but didn't find one" ); DataType dType = props.getPropertyHeader(0).getDataType(); ABCA_ASSERT( dType.getPod() == kFloat64POD, "Expected a double (kFloat64POD) property, but didn't" " find one" ); // We know this is a scalar property (I'm eliding the if/else // statements required to recognize this) IDoubleProperty mass( props, propNames[0] ); size_t numSamples = mass.getNumSamples(); std::cout << ".. it has " << numSamples << " samples" << std::endl; ABCA_ASSERT( numSamples == 5, "Expected 5 samples, found " << numSamples ); std::cout << "..with values: "; for (int ss=0; ss<numSamples; ss++) { ISampleSelector iss( (index_t) ss); printSampleValue( mass, iss ); double massDiff = mass.getValue( iss ) - (33.0 + 0.1*ss); ABCA_ASSERT( fabs(massDiff) < 1e-12, "Incorrect sample value read" ); } std::cout << std::endl; // Done - the archive closes itself }
void readUInt32ArrayProperty(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. std::cout << "Reading " << archiveName << std::endl; IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(), archiveName, ErrorHandler::kThrowPolicy ); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const unsigned int numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 1, "Wrong number of children (expected 1)"); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names IObject child( archiveTop, archiveTop.getChildHeader(0).getName() ); std::cout << " named '" << child.getName() << "'"; // Properties ICompoundProperty props = child.getProperties(); size_t numProperties = props.getNumProperties(); // only top-level props ABCA_ASSERT( numProperties == 1, "Expected 1 property, found " << numProperties); std::cout << " with one property"; std::vector<std::string> propNames(1); propNames[0] = props.getPropertyHeader(0).getName(); std::cout << " named '" << propNames[0] << "'" << std::endl; PropertyType pType = props.getPropertyHeader(0).getPropertyType(); ABCA_ASSERT( pType == kArrayProperty, "Expected an array property, but didn't find one" ); std::cout << " which is an array property"; DataType dType = props.getPropertyHeader(0).getDataType(); ABCA_ASSERT( dType.getPod() == kUint32POD, "Expected an unsigned int (kUint32POD) property, but didn't" " find one" ); // We know this is an array property (I'm eliding the if/else // statements required to recognize and handle this properly) IUInt32ArrayProperty primes( props, propNames[0] ); size_t numSamples = primes.getNumSamples(); std::cout << ".. it has " << numSamples << " samples" << std::endl; ABCA_ASSERT( numSamples == 5, "Expected 5 samples, found " << numSamples ); const TimeSampling ts = primes.getTimeSampling(); std::cout << "..with time/value pairs: " << std::endl;; for (int ss=0; ss<numSamples; ss++) { std::cout << " "; ISampleSelector iss( (index_t) ss); std::cout << ts.getSampleTime( (index_t) ss ) << " / "; UInt32ArraySamplePtr samplePtr; primes.get( samplePtr, iss ); std::cout << "[ "; size_t numPoints = samplePtr->size(); for ( size_t jj=0 ; jj<numPoints ; jj++ ) std::cout << (*samplePtr)[jj] << " "; std::cout << "]" << std::endl; // ASSERT that we are reading the correct values for ( size_t jj=0 ; jj<numPoints ; jj++ ) ABCA_ASSERT( (*samplePtr)[jj] == g_primes[jj], "Incorrect value read from archive." ); } std::cout << std::endl; // Done - the archive closes itself }
void readWriteColorArrayProperty(const std::string &archiveName) { { OArchive archive( Alembic::AbcCoreHDF5::WriteArchive(), archiveName, ErrorHandler::kThrowPolicy ); OObject archiveTop = archive.getTop(); OObject child( archiveTop, "test" ); OCompoundProperty childProps = child.getProperties(); OC3fArrayProperty shades( childProps, "shades", TimeSamplingType( 1.0 ) ); std::vector < C3f > grays(8); grays[0].x = 0.0; grays[0].y = 0.0; grays[0].z = 0.0; grays[1].x = 0.125; grays[1].y = 0.125; grays[1].z = 0.125; grays[2].x = 0.25; grays[2].y = 0.25; grays[2].z = 0.25; grays[3].x = 0.375; grays[3].y = 0.375; grays[3].z = 0.375; grays[4].x = 0.5; grays[4].y = 0.5; grays[4].z = 0.5; grays[5].x = 0.625; grays[5].y = 0.625; grays[5].z = 0.625; grays[6].x = 0.75; grays[6].y = 0.75; grays[6].z = 0.75; grays[7].x = 0.875; grays[7].y = 0.875; grays[7].z = 0.875; // let's write 4 different color3f[2] Dimensions d; d.setRank(2); d[0] = 2; d[1] = 4; C3fArraySample cas(&(grays.front()), d); shades.set(cas); } { // now read it IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(), archiveName, ErrorHandler::kThrowPolicy ); IObject archiveTop = archive.getTop(); const unsigned int numChildren = archiveTop.getNumChildren(); IObject child( archiveTop, archiveTop.getChildHeader(0).getName() ); ICompoundProperty props = child.getProperties(); IC3fArrayProperty shades( props, "shades" ); C3fArraySamplePtr samplePtr; shades.get( samplePtr ); ABCA_ASSERT( samplePtr->getDimensions().rank() == 2, "Incorrect rank on the sample." ); ABCA_ASSERT( samplePtr->getDimensions().numPoints() == 8, "Incorrect number of total points." ); ABCA_ASSERT( samplePtr->getDimensions()[0] == 2, "Incorrect size on dimension 0." ); ABCA_ASSERT( samplePtr->getDimensions()[1] == 4, "Incorrect size on dimension 1." ); for (size_t i = 0; i < 8; ++i) { ABCA_ASSERT( (*samplePtr)[i].x == i/8.0 && (*samplePtr)[i].x == (*samplePtr)[i].y && (*samplePtr)[i].x == (*samplePtr)[i].z, "Color [" << i << "] is incorrect."); } } }
void readProperty(const std::string &archiveName, bool useOgawa) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. std::cout << "Reading " << archiveName << std::endl; AbcF::IFactory factory; factory.setPolicy( ErrorHandler::kThrowPolicy ); AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive(archiveName, coreType); ABCA_ASSERT( (useOgawa && coreType == AbcF::IFactory::kOgawa) || (!useOgawa && coreType == AbcF::IFactory::kHDF5), "File did not open as the expected type." ); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const unsigned int numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 1, "Wrong number of children (expected 1)"); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names IObject child( archiveTop, archiveTop.getChildHeader( 0 ).getName() ); std::cout << " " << child.getName(); // Properties ICompoundProperty props = child.getProperties(); size_t numProperties = props.getNumProperties(); // only top-level props ABCA_ASSERT( numProperties == 1, "Expected 1 property, found " << numProperties); std::cout << " with one property"; std::vector<std::string> propNames(1); propNames[0] = props.getPropertyHeader(0).getName(); std::cout << " named " << propNames[0] << std::endl; PropertyType pType = props.getPropertyHeader(0).getPropertyType(); ABCA_ASSERT( pType == kScalarProperty, "Expected a scalar property, but didn't find one" ); std::cout << " which is a scalar property"; DataType dType = props.getPropertyHeader(0).getDataType(); ABCA_ASSERT( dType.getPod() == kFloat64POD, "Expected a double (kFloat64POD) property, but didn't" " find one" ); // We know this is a scalar property (I'm eliding the if/else // statements required to recognize this) IDoubleProperty mass( props, propNames[0] ); size_t numSamples = mass.getNumSamples(); std::cout << ".. it has " << numSamples << " samples" << std::endl; //ABCA_ASSERT( numSamples == 5, "Expected 5 samples, found " << numSamples ); TimeSamplingPtr ts = mass.getTimeSampling(); std::cout << "..with time/value pairs: "; for (unsigned int ss=0; ss<numSamples; ss++) { ISampleSelector iss( (index_t) ss); std::cout << ts->getSampleTime( (index_t) ss ) << "/"; printSampleValue( mass, iss ); std::cout << " "; double timeDiff = ts->getSampleTime( (index_t) ss ) - (g_startTime + (ss*(g_dt/3.0))); ABCA_ASSERT( fabs(timeDiff) < 1e-12, "Incorrect sample time read" ); double massDiff = mass.getValue( iss ) - (1.0 + 0.1*ss); ABCA_ASSERT( fabs(massDiff) < 1e-12, "Incorrect sample value read" ); } ABCA_ASSERT( archive.getMaxNumSamplesForTimeSamplingIndex(1) == (index_t) numSamples, "Incorrect number of max samples for Time Sampling ID 1."); std::cout << std::endl; // Done - the archive closes itself }
void readWriteColorArrayProperty(const std::string &archiveName, bool useOgawa) { { OArchive archive; if (useOgawa) { archive = OArchive( Alembic::AbcCoreOgawa::WriteArchive(), archiveName, ErrorHandler::kThrowPolicy ); } else { archive = OArchive( Alembic::AbcCoreHDF5::WriteArchive(), archiveName, ErrorHandler::kThrowPolicy ); } OObject archiveTop = archive.getTop(); OObject child( archiveTop, "test" ); OCompoundProperty childProps = child.getProperties(); OC3fArrayProperty shades( childProps, "shades", 0 ); std::vector < C3f > grays(8); grays[0].x = 0.0; grays[0].y = 0.0; grays[0].z = 0.0; grays[1].x = 0.125; grays[1].y = 0.125; grays[1].z = 0.125; grays[2].x = 0.25; grays[2].y = 0.25; grays[2].z = 0.25; grays[3].x = 0.375; grays[3].y = 0.375; grays[3].z = 0.375; grays[4].x = 0.5; grays[4].y = 0.5; grays[4].z = 0.5; grays[5].x = 0.625; grays[5].y = 0.625; grays[5].z = 0.625; grays[6].x = 0.75; grays[6].y = 0.75; grays[6].z = 0.75; grays[7].x = 0.875; grays[7].y = 0.875; grays[7].z = 0.875; // let's write 4 different color3f[2] Dimensions d; d.setRank(2); d[0] = 2; d[1] = 4; C3fArraySample cas(&(grays.front()), d); shades.set(cas); } { // now read it AbcF::IFactory factory; factory.setPolicy( ErrorHandler::kThrowPolicy ); AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive(archiveName, coreType); TESTING_ASSERT( (useOgawa && coreType == AbcF::IFactory::kOgawa) || (!useOgawa && coreType == AbcF::IFactory::kHDF5) ); IObject archiveTop = archive.getTop(); IObject child( archiveTop, archiveTop.getChildHeader(0).getName() ); ICompoundProperty props = child.getProperties(); IC3fArrayProperty shades( props, "shades" ); C3fArraySamplePtr samplePtr; shades.get( samplePtr ); ABCA_ASSERT( samplePtr->getDimensions().rank() == 2, "Incorrect rank on the sample." ); ABCA_ASSERT( samplePtr->getDimensions().numPoints() == 8, "Incorrect number of total points." ); ABCA_ASSERT( samplePtr->getDimensions()[0] == 2, "Incorrect size on dimension 0." ); ABCA_ASSERT( samplePtr->getDimensions()[1] == 4, "Incorrect size on dimension 1." ); Alembic::Util::Dimensions dims; shades.getDimensions( dims ); ABCA_ASSERT( dims.rank() == 2, "Incorrect rank on the sample." ); ABCA_ASSERT( dims.numPoints() == 8, "Incorrect number of total points." ); ABCA_ASSERT( dims[0] == 2, "Incorrect size on dimension 0." ); ABCA_ASSERT( dims[1] == 4, "Incorrect size on dimension 1." ); for (size_t i = 0; i < 8; ++i) { ABCA_ASSERT( (*samplePtr)[i].x == i/8.0 && (*samplePtr)[i].x == (*samplePtr)[i].y && (*samplePtr)[i].x == (*samplePtr)[i].z, "Color [" << i << "] is incorrect."); } double start, end; GetArchiveStartAndEndTime( archive, start, end ); TESTING_ASSERT( almostEqual(start, 0.0) ); TESTING_ASSERT( almostEqual(end, 0.0) ); } }
void readV3fArrayProperty(const std::string &archiveName, bool useOgawa) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. std::cout << "Reading " << archiveName << std::endl; AbcF::IFactory factory; factory.setPolicy( ErrorHandler::kThrowPolicy ); AbcF::IFactory::CoreType coreType; IArchive archive = factory.getArchive(archiveName, coreType); TESTING_ASSERT( (useOgawa && coreType == AbcF::IFactory::kOgawa) || (!useOgawa && coreType == AbcF::IFactory::kHDF5) ); IObject archiveTop = archive.getTop(); // Determine the number of (top level) children the archive has const unsigned int numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 1, "Wrong number of children (expected 1)"); std::cout << "The archive has " << numChildren << " children:" << std::endl; // Iterate through them, print out their names IObject child( archiveTop, archiveTop.getChildHeader(0).getName() ); std::cout << " named '" << child.getName() << "'"; // Properties ICompoundProperty props = child.getProperties(); size_t numProperties = props.getNumProperties(); // only top-level props ABCA_ASSERT( numProperties == 1, "Expected 1 property, found " << numProperties); std::cout << " with one property"; std::vector<std::string> propNames(1); propNames[0] = props.getPropertyHeader(0).getName(); std::cout << " named '" << propNames[0] << "'" << std::endl; PropertyType pType = props.getPropertyHeader(0).getPropertyType(); ABCA_ASSERT( pType == kArrayProperty, "Expected an array property, but didn't find one" ); std::cout << " which is an array property"; DataType dType = props.getPropertyHeader(0).getDataType(); ABCA_ASSERT( dType.getPod() == kFloat32POD, "Expected an v3f property, but didn't find one" ); // We know this is an array property (I'm eliding the if/else // statements required to recognize and handle this properly) IV3fArrayProperty positions( props, propNames[0] ); size_t numSamples = positions.getNumSamples(); std::cout << ".. it has " << numSamples << " samples" << std::endl; ABCA_ASSERT( numSamples == 5, "Expected 5 samples, found " << numSamples ); TimeSamplingPtr ts = positions.getTimeSampling(); std::cout << "..with time/value pairs: " << std::endl;; for (unsigned int ss=0; ss<numSamples; ss++) { std::cout << " "; ISampleSelector iss( (index_t) ss); std::cout << ts->getSampleTime( (index_t) ss ) << " / "; V3fArraySamplePtr samplePtr; positions.get( samplePtr, iss ); std::cout << "[ "; size_t numPoints = samplePtr->size(); for ( size_t jj=0 ; jj<numPoints ; jj++ ) std::cout << (*samplePtr)[jj] << " "; std::cout << "]" << std::endl; if (ss == 2) // no entries in sample #2 { ABCA_ASSERT( numPoints == 0, "Expected an empty sample, but found " << numPoints << " entries." ); } else { for ( size_t jj=0 ; jj<numPoints ; jj++ ) ABCA_ASSERT( (*samplePtr)[jj] == g_vectors[jj], "Incorrect value read from archive." ); } } ABCA_ASSERT( archive.getMaxNumSamplesForTimeSamplingIndex(1) == (index_t) numSamples, "Incorrect number of max samples in readV3fArrayProperty." ); std::cout << std::endl; // Done - the archive closes itself double start, end; GetArchiveStartAndEndTime( archive, start, end ); TESTING_ASSERT( almostEqual(start, 123.0) ); TESTING_ASSERT( almostEqual(end, 123.0 + 4.0 / 24.0) ); }
void readNestedCommpoundWithVis(const std::string &archiveName) { // Open an existing archive for reading. Indicate that we want // Alembic to throw exceptions on errors. IArchive archive( Alembic::AbcCoreOgawa::ReadArchive(), archiveName, ErrorHandler::kThrowPolicy ); IObject archiveTop = archive.getTop(); TESTING_ASSERT_THROW( GetIArchiveBounds( archive ), Alembic::Util::Exception ); IBox3dProperty boxProp = GetIArchiveBounds( archive, ErrorHandler::kQuietNoopPolicy ); TESTING_ASSERT( !boxProp.valid() ); ICharProperty topVisibility = GetVisibilityProperty (archiveTop); std::cout << "Does this object have VisibilityProperty? " << (bool) (true == topVisibility) << std::endl; ABCA_ASSERT( topVisibility == false, "top object should not have a visibility property"); // Determine the number of (top level) children the archive has const size_t numChildren = archiveTop.getNumChildren(); ABCA_ASSERT( numChildren == 2, "Wrong number of children (expected 2)"); std::cout << "The archive has " << numChildren << " children:" << std::endl; IObject child1; IObject otherChild; // Iterate through them, print out their names for ( size_t ii=0; ii <numChildren; ii++) { IObject child( archiveTop, archiveTop.getChildHeader(ii).getName() ); std::cout << " " << child.getName(); std::cout << " has " << child.getNumChildren() << " children" << std::endl; // Properties ICompoundProperty props = child.getProperties(); size_t numProperties = props.getNumProperties(); std::cout << " ..and " << numProperties << " properties" << std::endl; std::vector<std::string> propNames; for ( size_t pp=0 ; pp < numProperties ; ++pp ) { propNames.push_back( props.getPropertyHeader(pp).getName() ); } for ( size_t jj=0; jj<numProperties; ++jj) { std::cout << " ..named " << propNames[jj] << std::endl; std::cout << " ..with type: "; PropertyType pType = props.getPropertyHeader(jj).getPropertyType(); if (pType == kCompoundProperty) { std::cout << "compound" << std::endl; ICompoundProperty prop( props, propNames[jj] ); std::cout << " Accessing this nested prop for its obj -" << prop.getObject ().getName () << std::endl; } else if (pType == kScalarProperty) { std::cout << "scalar" << std::endl; } else if (pType == kArrayProperty) { std::cout << "array" << std::endl; } } ICharProperty childVisibility; childVisibility = GetVisibilityProperty (child); if (ii == 1) { child1 = child; // This is child_1. It should have visibility property // and it should be set to hidden ABCA_ASSERT( childVisibility == true, "child_1 should have a visibility property"); ABCA_ASSERT( childVisibility.getValue () == kVisibilityHidden, "child_1 visibility should be hidden"); ABCA_ASSERT( childVisibility.getValue () == GetVisibility (child), "child_1 visibility should match call value from GetVisibility ()"); std::cout << " child_1 visibility correctly set to hidden" << std::endl; } else { otherChild = child; ABCA_ASSERT( childVisibility == false, "child object should not have a visibility property"); } } // Test that IsAncestorInvisible () works // // child of child1 (which is hidden) means that this child should be // hidden too IObject child1SubObject( child1, "nested_object"); ABCA_ASSERT( IsAncestorInvisible (archiveTop) == false, "top root should be visible"); ABCA_ASSERT( IsAncestorInvisible (child1SubObject) == true, "object under child1 should eval to being not visible"); ABCA_ASSERT( IsAncestorInvisible (child1) == true, "child1 should eval to being not visible"); ABCA_ASSERT( IsAncestorInvisible (otherChild) == false, "other object should eval to being visible"); // Done - the archive closes itself }