| 247 | } |
| 248 | |
| 249 | DataPtr PDCParticleReader::readAttribute( const std::string &name ) |
| 250 | { |
| 251 | if( !open() ) |
| 252 | { |
| 253 | return nullptr; |
| 254 | } |
| 255 | |
| 256 | map<string, Record>::const_iterator it = m_header.attributes.find( name ); |
| 257 | if( it==m_header.attributes.end() ) |
| 258 | { |
| 259 | return nullptr; |
| 260 | } |
| 261 | |
| 262 | const Data *idAttr = idAttribute(); |
| 263 | if ( !idAttr && particlePercentage() < 100.0f ) |
| 264 | { |
| 265 | msg( Msg::Warning, "PDCParticleReader::filterAttr", format( "Percentage filtering requested but file \"%s\" contains no particle Id attribute." ) % fileName() ); |
| 266 | } |
| 267 | |
| 268 | DataPtr result = nullptr; |
| 269 | switch( it->second.type ) |
| 270 | { |
| 271 | case Integer : |
| 272 | { |
| 273 | IntDataPtr d( new IntData ); |
| 274 | readElements( &d->writable(), it->second.position, 1 ); |
| 275 | result = d; |
| 276 | } |
| 277 | break; |
| 278 | case IntegerArray : |
| 279 | { |
| 280 | IntVectorDataPtr d( new IntVectorData ); |
| 281 | d->writable().resize( numParticles() ); |
| 282 | readElements( &d->writable()[0], it->second.position, numParticles() ); |
| 283 | result = filterAttr<IntVectorData, IntVectorData>( d.get(), particlePercentage(), idAttr ); |
| 284 | } |
| 285 | break; |
| 286 | case Double : |
| 287 | { |
| 288 | DoubleDataPtr d( new DoubleData ); |
| 289 | readElements( &d->writable(), it->second.position, 1 ); |
| 290 | switch( realType() ) |
| 291 | { |
| 292 | case PDCParticleReader::RealType::Native : |
| 293 | case PDCParticleReader::RealType::Double : |
| 294 | result = d; |
| 295 | break; |
| 296 | case PDCParticleReader::RealType::Float : |
| 297 | result = new FloatData( d->readable() ); |
| 298 | break; |
| 299 | } |
| 300 | } |
| 301 | break; |
| 302 | case DoubleArray : |
| 303 | { |
| 304 | DoubleVectorDataPtr d( new DoubleVectorData ); |
| 305 | d->writable().resize( numParticles() ); |
| 306 | readElements( &d->writable()[0], it->second.position, numParticles() ); |