/* ---------------------------------------------------------------------- */ /* XstarSegyDefs.h */ /* ---------------------------------------------------------------------- */ /* */ /* (c) Copyright 1999, 2005 EdgeTech, */ /* */ /* This file contains proprietary information, and trade secrets of */ /* EdgeTech, and may not be disclosed or reproduced without the prior */ /* written consent of EdgeTech. */ /* */ /* EdgeTech is not responsible for the consequences of the use or misuse */ /* of this software, even if they result from defects in it. */ /* */ /* ---------------------------------------------------------------------- */ /* */ /* EdgeTech X-star Rev 5 Hull mount SEG-Y subbottom data format */ /* description. */ /* */ /* ---------------------------------------------------------------------- */ #ifndef __XSTAR_SEGYDEFS_5_0_H__ #define __XSTAR_SEGYDEFS_5_0_H__ /* ---------------------------------------------------------------------- */ /* Defines */ /* ---------------------------------------------------------------------- */ #define XSTAR_DATA_SIZE (3976) #define XSTAR_ANNOTATION_SIZE (24) #define XSTAR_VERSION_SIZE (6) #define XSTAR_RS232_SIZE (32) /* ---------------------------------------------------------------------- */ /* Each record of data has a 240 byte header, the content of which is */ /* defined below. */ /* */ /* Unused fields should be set to 0 */ /* ---------------------------------------------------------------------- */ typedef struct { /* 0-3 : Trace Sequence Number - ping # */ unsigned long int pingNum; /* 4-7 : Starting depth (window offset) in samples. */ unsigned long int startDepth; /* 8-11 */ short int unused0[2]; /* 12-15 : Channel Number (1 .. n) */ unsigned long int channelNum; /* 16-21 */ short int unused1[3]; /* 22-23 number of data packets in sonar trace */ short int numberOfPackets; /* 24-25 current data packets */ short int currentPacket; /* 26-27 */ short int unused1A; /* 28-29 : ID Code (always 1 => seismic data) */ short int traceIDCode; /* 30-33 */ short int unused2[2]; /* 34-35 : DataFormatType */ /* 1 = 2 shorts per sample, stored as real(1), imag(1), */ /* 2 = Envelope data in gray scale format */ short int dataFormat; /* 36-37 : Distance from towfish to antannae in cm */ short int NMEAantennaeR; /* 38-39 : Dist to antannae starboard direction in cm */ short int NMEAantannaeO; /* 40-71 : Reserved for RS232 data */ char RS232[XSTAR_RS232_SIZE]; /* -------------------------------------------------------------------- */ /* Navigation data : */ /* If the coorUnits are seconds(2), the x values represent longitude */ /* and the y values represent latitude. A positive value designates */ /* the number of seconds east of Greenwich Meridian or north of the */ /* equator. */ /* -------------------------------------------------------------------- */ /* 72-75 : Meters or Seconds of Arc */ long int sourceCoordX; /* 76-79 : Meters or Seconds of Arc */ long int sourceCoordY; /* 80-83 : mm or 10000 * (Minutes of Arc) */ long int groupCoordX; /* 84-87 : mm or 10000 * (Minutes of Arc) */ long int groupCoordY; /* 88-89 : Units of coordinates - 1->length (x /y), 2->seconds of arc */ short int coordUnits; /* 90-91 : Manufacturer Pulse Power Setting */ short int mfgPulsePower; /* 92-93 : Pulse Power Setting */ short int pulsePower; /* 94-97 */ short int unused3[2]; /* 98-99 : Heave compensation offset (samples) */ short int heaveCompensation; /* 100-105 */ short int unused4[3]; /* 106-107 : Channel B delay offset (samples) X_star_2chan only */ short int channelBDelay; /* 108-109 : Delay between xmit & sampling start (ms) */ short int sampleStartDelay; /* 110-111 : Video Delay (ms) */ short int videoDelay; /* 112-113 */ short int unused5; /* 114-115 : Number of Samples, actually # of shorts, 3976 + 120 = 4096 */ unsigned short int samples; /* 116-117 : Sample interval in us of stored data */ unsigned short int sampleInterval; /* 118-119 */ short int unused6; /* 120-121 : Gain factor of ADC */ unsigned short int ADCGain; /* 122-123 */ short int unused7; /* 124-125 : Correlated, 1 - No, 2 - Yes */ short int correlated; /* 126-127 : Starting frequency in Hz */ unsigned short int startFreq; /* 128-129 : Ending frequency in Hz */ unsigned short int endFreq; /* 130-131 : Sweep length in ms */ unsigned short int sweepLength; /* 132-133 : Sweep type 1 - Lin, 2 - Par, 3 - Exp, 4 - other */ unsigned short int sweepType; /* 134-137 */ short int unused8[2]; /* 138-139 : Taper type 1 - Lin, 2 - cos sqr, 3 - other */ unsigned short int taperType; /* 140-141 : alias Frequency (sample frequency / 2) */ short int aliasFreq; /* 142-143 */ short int unused9; /* 144-151 */ short int unused9a[4]; /* 152-155 : millisecond tick counter */ long millisecondCounter; /* 156-157 : Year data recorded (CPU time) */ short int year; /* 158-159 : */ short int day; /* 160-161 : */ short int hour; /* 162-163 : */ short int minute; /* 164-165 : */ short int second; /* 166-167 : Always 3 (other not specified by standard) */ short int timeBasis; /* 168-169 */ short int unused10; /* 170-171 : Maximum channel B absolute value ADC X_star_2chan only */ unsigned short int ChannelBADCMax; /* -------------------------------------------------------------------- */ /* From pitch/roll/temp/heading sensor */ /* -------------------------------------------------------------------- */ /* 172-173 : Compass heading */ short int heading; /* 174-175 : Pitch */ short int pitch; /* 176-177 : Roll */ short int roll; /* 178-179 : Temperature */ short int temperature; /* -------------------------------------------------------------------- */ /* User defined area from 180-239 */ /* -------------------------------------------------------------------- */ /* 180-181 : (# of 0s in trace in X-Star) */ short int numZeros; /* 182-183 : TriggerSource (0 = internal, 1 = external) */ short int trigSource; /* 184-185 : Mark Number (0 = no mark) */ unsigned short int markNumber; /* 186-187 */ short int NMEAHour; /* 188-189 */ short int NMEAMinutes; /* 190-191 */ short int NMEASeconds; /* 192-193 */ short int NMEACourse; /* 194-195 */ short int NMEASpeed; /* 196-197 */ short int NMEADay; /* 198-199 */ short int NMEAYear; /* 200-203 : Trace scale factor */ float traceScaleFactor; /* 204-205 : Maximum absolute value for ADC samples for this packet */ unsigned short int ADCMax; /* 206-207 System constant in tenths of a dB */ short int calConst; /* 208-209 Vehicle ID */ short int vehicleID; /* 210-215 Software version number */ char softwareVersion[XSTAR_VERSION_SIZE]; /* 216-239 : Annotation string */ char annotation[XSTAR_ANNOTATION_SIZE]; /* -------------------------------------------------------------------- */ /* Data area begins here */ /* -------------------------------------------------------------------- */ /* Data begins at byte 240, has 3976 shorts in it */ /* -------------------------------------------------------------------- */ short int data[XSTAR_DATA_SIZE]; } XstarSegyData50Type; /* ---------------------------------------------------------------------- */ #endif /* end Not __XSTAR_SEGYDEFS_5_0_H__ */ /* ---------------------------------------------------------------------- */ /* end XstarSegyDefs.h */ /* ---------------------------------------------------------------------- */