physics/materialProperties/Opacity useOpacity [BOOLEAN] CONSTANT [FALSE] flags whether the Opacity unit is being used at all physics/materialProperties/Opacity/OpacityMain useOpacity [BOOLEAN] [TRUE] flags whether the Opacity unit is being used at all physics/materialProperties/Opacity/OpacityMain/Constant op_absorbConst [REAL] [1.0] Valid Values: Unconstrained op_emitConst [REAL] [1.0] Valid Values: Unconstrained op_transConst [REAL] [1.0] Valid Values: Unconstrained physics/materialProperties/Opacity/OpacityMain/Constcm2g op_absorbConst [REAL] [1.0] Valid Values: Unconstrained op_emitConst [REAL] [1.0] Valid Values: Unconstrained op_transConst [REAL] [1.0] Valid Values: Unconstrained physics/materialProperties/Opacity/OpacityMain/Multispecies opacity_ignoreLowTemp [BOOLEAN] [TRUE] opacity_writeOpacityInfo [BOOLEAN] [FALSE] physics/materialProperties/Opacity/OpacityMain/Multispecies/method/Integrate opacity_RombergAccuracy [REAL] [1.E-6] Valid Values: Unconstrained opacity_maxQuadratureRoots [INTEGER] [50] Valid Values: Unconstrained opacity_printQuadratureData [BOOLEAN] [TRUE] opacity_useQuadrature [BOOLEAN] [FALSE] opacity_useRomberg [BOOLEAN] [TRUE] physics/materialProperties/Opacity/OpacityMain/Multispecies/method/LowTemp opacity_ignoreKleinNishina [BOOLEAN] [FALSE] physics/materialProperties/Opacity/OpacityMain/Multispecies/method/Tabulated op_tableEnergyTolerance [REAL] [1.0e-04] Valid Values: Unconstrained allowed difference between table/FLASH group structure opacity_useLogTables [BOOLEAN] [TRUE]