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• IdentityMapping3D() : IdentityMapping3D
• IGIIntegrator() : IGIIntegrator
• ImageFilm() : ImageFilm
• ImageTexture() : ImageTexture< T >
• IndirectLo() : IrradianceCache
• InfiniteAreaLight() : InfiniteAreaLight
• InfiniteAreaLightIS() : InfiniteAreaLightIS
• init() : KdNode
• initInterior() : KdAccelNode
• initLeaf() : KdAccelNode , KdNode
• Inside() : BBox
• InstancePrimitive() : InstancePrimitive
• InterpolateIrradiance() : IrradianceCache
• Intersect() : GridAccel , KdTreeAccel , Primitive , GeometricPrimitive , InstancePrimitive , Scene , Shape , ShapeSet , Cone , Cylinder , Disk , Hyperboloid , Paraboloid , Sphere , Voxel , Triangle
• Intersection() : Intersection
• IntersectP() : Scene , Voxel , GridAccel , KdTreeAccel , BBox , Primitive , GeometricPrimitive , InstancePrimitive , Shape , VolumeRegion , AggregateVolume , HomogeneousVolume , Cylinder , VolumeGrid , Hyperboloid , Sphere , Triangle , ExponentialDensity , Paraboloid , Disk , Cone
• Inverse() : Matrix4x4
• IrradianceCache() : IrradianceCache
• IrradianceSample() : IrradianceSample
• IrradProcess() : IrradProcess
• IsDeltaLight() : AreaLight , ProjectionLight , DistantLight , SpotLight , InfiniteAreaLight , PointLight , Light , InfiniteAreaLightIS , GonioPhotometricLight
• IsLeaf() : KdAccelNode
• IsNaN() : Spectrum