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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 "@(#) $Id: euler_status.c 20891 2010-09-16 18:50:19Z carrie $ SwRI" #include "ret_codes.h" #include "libdb.h" #include "gen_defs.h" #include "user_defs.h" #include "libbase_idfs.h" #include "vidf_codes.h" /******************************************************************************* * * * IR_EULER_ANGLE_SOURCE_STATUS SUBROUTINE * * * * DESCRIPTION * * This routine should be called to determine the state of the IDFS data * * set to be used for euler angle calculations for the data_key specified. * * This routine was written since it was decided that FILE_OPEN and RESET_ * * EXPERIMENT_INFO would return ALL_OKAY if there was an error pertinent to * * the processing of any euler angle source so that the main data set could * * continue to be plotted (in many cases, plotting the main data set, not * * the euler angles for the main data set). If it is determined that euler * * angle data is needed, the status of the euler angle IDFS source can be * * determined AFTER FILE_OPEN and RESET_EXPERIMENT_INFO are called. * * * * INPUT VARIABLES * * SDDAS_ULONG data_key key which uniquely identifies the data set * * being processed * * SDDAS_CHAR *exten filename extension for the data to be used * * SDDAS_USHORT vnum version number to be associated with this * * combination (allows for multiple opens) * * SDDAS_SHORT *pmi_status the status of the euler angle IDFS source * * defined for the specified data set * * SDDAS_ULONG *pmi_data_key key which uniquely identifies the data set * * to be used for the euler angle calculations * * * * USAGE * * x = ir_euler_angle_source_status (data_key, exten, vnum, &pmi_status, * * &pmi_data_key) * * * * NECESSARY SUBPROGRAMS * * ir_locate_ex() determines if requested combination has * * already been pand points to the * * correct structure allocated for the combo * * * * EXTERNAL VARIABLES * * struct general_info structure holding information concerning * * ginfo the experiment that is being processed * * * * INTERNAL VARIABLES * * struct experiment_info a pointer to the structure that holds * * *ex specific experiment information * * struct euler_info a pointer to the structure that holds euler * * *pmi_ptr angle information * * SDDAS_SHORT ret_val holds called routine status flags * * * * SUBSYSTEM * * Display Level * * * ******************************************************************************/ SDDAS_SHORT ir_euler_angle_source_status (SDDAS_ULONG data_key, SDDAS_CHAR *exten, SDDAS_USHORT vnum, SDDAS_SHORT *pmi_status, SDDAS_ULONG *pmi_data_key) { extern struct general_info ginfo; struct experiment_info *ex; struct euler_info *pmi_ptr; SDDAS_SHORT ret_val; /**********************************************************************/ /* Get the ex structure for the specified data set. */ /**********************************************************************/ *pmi_data_key = 0; ret_val = ir_locate_ex (data_key, exten, vnum, 0); if (ret_val != ALL_OKAY) return (EULER_MAIN_DATA_MISSING); /**********************************************************************/ /* Is euler angle defined for this data set? */ /**********************************************************************/ ex = ginfo.expt; if (!ex->euler_def) *pmi_status = EULER_NOT_APPLICABLE; else { /**********************************************************************/ /* Check for non-null memory location in main data source in case */ /* euler angle source also has pmi_def set in the VIDF file. */ /**********************************************************************/ if (ex->bmem.base_euler_info != NO_MEMORY) { pmi_ptr = ex->euler_angles; /*******************************************************************/ /* If the euler angles are defined as constants, there is no IDFS */ /* data source designated to compute the euler angles from. */ /*******************************************************************/ if (pmi_ptr->pmi_format == EULER_CONSTANT) *pmi_status = EULER_READY; else { *pmi_data_key = pmi_ptr->data_key; /*******************************************************************/ /* Data files are opened and ready to go. */ /*******************************************************************/ if (pmi_ptr->file_status == ALL_OKAY) *pmi_status = EULER_READY; /*******************************************************************/ /* Database errors for designed euler angle IDFS source. */ /*******************************************************************/ else if (pmi_ptr->file_status <= DB_START_neg && pmi_ptr->file_status >= DB_STOP_neg) *pmi_status = EULER_DB_ERROR; /*******************************************************************/ /* Data not online for designed euler angle IDFS source. */ /* If there was an error opening the header and/or data file, let */ /* us assume that the file is not online and needs to be promoted.*/ /*******************************************************************/ else if (pmi_ptr->file_status >= DB_START_plus || pmi_ptr->file_status == PBACK_NO_HEADER || pmi_ptr->file_status == PBACK_NO_DATA) *pmi_status = EULER_DATA_MISSING; /*******************************************************************/ /* VIDF file not online? */ /*******************************************************************/ else if (pmi_ptr->file_status == VIDF_NOT_READABLE) *pmi_status = EULER_DATA_MISSING; /*******************************************************************/ /* IDFS routine returned error after datafiles were opened. */ /*******************************************************************/ else *pmi_status = EULER_IR_ERROR; } } /*********************************************************************/ /* No euler angle structure so no euler angle IDFS data set. */ /*********************************************************************/ else *pmi_status = EULER_NOT_APPLICABLE; } return (ALL_OKAY); }