PCGSplineSampler::SampleInteriorData ( const UPCGPolyLineData* LineDa..., const UPCGSpatialData* InBound..., const UPCGSpatialData* InProje..., const FPCGProjectionParams& InProj..., const FPCGSplineSamplerParams& Par..., UPCGPointData* OutPointData )