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SwRI can revise these Terms at any time * without notice by updating this posting. * * Trademarks * * The SwRI logo is a trademark of SwRI in the United States and other countries. * */ #ident "@(#) trans_sen.c 1.16 05/08/19 SwRI" #include "user_defs.h" #include "libtrec_idfs.h" /**************************************************************************** * * * IR_TRANSFER_SENSOR SUBROUTINE * * * * DESCRIPTION * * This routine transfers the data for the requested sensor and data * * level from the 3D data matrix to the 2D data matrix. This action is * * performed if no theta averaging transpired and there is a need to * * proceed to the next dimension (freq or energy averaging). * * * * INPUT VARIABLES * * SDDAS_SHORT sensor the sensor for which data is to retrieved * * SDDAS_SHORT unit_index an index to which data level is to * * be accessed * * * * USAGE * * ir_transfer_sensor (sensor, unit_index) * * * * NECESSARY SUBPROGRAMS * * None * * * * EXTERNAL VARIABLES * * struct general_info ginfo structure holding information concerning * * the experiment that is being processed * * * * INTERNAL VARIABLES * * reg struct experiment_info a pointer to the structure that holds * * *ex specific experiment information * * reg struct collapse_data pointer to the collapse_data structure * * *cptr being processed * * reg SDDAS_FLOAT *dptr pointer to the beginning of the data in * * 3D matrix * * reg SDDAS_FLOAT *ret_ptr pointer to the beginning of the data in * * 2D matrix * * reg SDDAS_FLOAT *stop_loop loop termination variable * * SDDAS_FLOAT *theta_data pointer to correct theta bins * * SDDAS_LONG off_unit_3d offset to get to requested data level in * * the 3D data matrix * * SDDAS_SHORT which_bin specifies which theta bin has the data for * * the specified sensor * * SDDAS_SHORT num_theta the number of bins in the 3D data matrix * * * * SUBSYSTEM * * Display Level * * * ***************************************************************************/ void ir_transfer_sensor (SDDAS_SHORT sensor, SDDAS_SHORT unit_index) { extern struct general_info ginfo; register struct experiment_info *ex; register struct collapse_data *cptr; register SDDAS_FLOAT *dptr, *ret_ptr, *stop_loop; SDDAS_FLOAT *theta_data; SDDAS_LONG off_unit_3d; SDDAS_SHORT which_bin, num_theta; /*******************************************************************/ /* Point to the correct data level or unit requested in both data */ /* matrices. */ /*******************************************************************/ ex = ginfo.expt; cptr = ex->collapse_ptr; /***********************************************************************/ /* Is there a "duplicate theta" issue? If so, data is separated by */ /* sensor, not per theta bin, and has not been put back together into */ /* theta bins defined in VIDF file. */ /***********************************************************************/ if (cptr->theta_bins < 0) { theta_data = cptr->data_3d_separate; which_bin = sensor; } else { theta_data = cptr->data_3d_binned; which_bin = *(cptr->sensor_bin + sensor); } num_theta = (cptr->theta_bins <= 0) ? ex->num_sensor : cptr->theta_bins; off_unit_3d = unit_index * (ex->bin_ptr->num_bins * num_theta); /*******************************************************************/ /* Set a pointer to the correct sensor bin within the 3D matrix */ /* and to the array where the data is to be transfered to and */ /* copy the data into the specified array. */ /*******************************************************************/ dptr = theta_data + off_unit_3d + (which_bin * ex->bin_ptr->num_bins); ret_ptr = cptr->data_2d + unit_index * ex->bin_ptr->num_bins; stop_loop = dptr + ex->bin_ptr->num_bins; for (; dptr < stop_loop; ++ret_ptr, ++dptr) *ret_ptr = *dptr; }