void run(const std::vector< PSimHit > &input, const std::vector< int > &input_links, std::vector< CTPPSPixelDigi > &output_digi, std::vector< std::vector< std::pair< int, double > > > &output_digi_links, const CTPPSPixelGainCalibrations *pcalibration, const PPSPixelTopology *ppt)