kev/Drawer/SSBase/MxnFormat/SegDHeader.h

/* Copyright (c) Colorado School of Mines, 2003.*/
/* All rights reserved.                       */

/*-----------------------------------------------------------------------
 * segd.h - include file for SEGD traces
 *          Version 2.1, 10/10/94, Marc Schaming
 *          Version 2.2, 17/08/95, Celine Girard et Marc Schaming
 *          Version 2.3,  04/1997, Marc Schaming
 *          Version 2.4,  02/1998, Stewart A. Levin (SEP)
 *                        changed general_header_1.f to unsigned char[2]
 *                        changed non-struct typedefs to struct typedefs
 *                        to allow for uniform future expansion
 *          Version 2.5,  02/2001, Stewart A. Levin (SEP)
 *                        Little endian fix up for channel_set_header.cs
 *                        and dem_trace_header,tn
 *

 * declarations for:										<EFBFBD>汾1							<EFBFBD>汾2
 *				typedef struct {} segd_tape_label       :	 <EFBFBD><EFBFBD>								tape label
 *              typedef struct {} segd_general_header_1 :    general header					<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ			
 *              typedef struct {} segd_general_header_2 :    general header					<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ
 *              typedef struct {} segd_general_header_n :    general header					<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ
 *              typedef struct {} segd_gen_head_sn358   :    general header for sn358
 *              typedef struct {} segd_channel_set_header:   channel set descriptor			<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>29<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ
 *              typedef struct {} segd_sample_skew :         sample skew block
 *              typedef struct {} segd_extended_header   :   extended header
 *              typedef struct {} segd_external_header   :   external header
 *              typedef struct {} segd_general_trailer   :   general trailer				<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ

 *              typedef struct {} segd_demux_trace_header:   Demux trace header				<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ
 *              typedef struct {} segd_trace_header_ext  :   trace header extension			<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ
 *              typedef struct {} segd_general_trailer   :   general trailer				<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>ͬ
 *
 *
 * Reference:
 *      SEG Subcommitee on Digital Tape Formats, "Digital field tape format standards - SEG-D"
 *
 * Digital field tape format standards - SEG-D, REVISION 1 (1994) Geophysics, vol. 59, p.668-684
 *
 * <EFBFBD>汾2<EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD>ʼλ<EFBFBD>ñȰ汾1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>128<EFBFBD>ֽڵĴŴ<EFBFBD><EFBFBD><EFBFBD>ǩ<EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>˸ôŴ<EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͸<EFBFBD>ʽ<EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>5~9<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>SD2.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>ΪSegD<EFBFBD>汾2<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>
 *
 *---------------------------------------------------------------------*/

namespace NSegD
{


//////////////////////////////////////////////////////////////////////
//<2F>汾2<E6B1BE><32><EFBFBD>ӵĴŴ<C4B4>ͷ<EFBFBD><CDB7><EFBFBD>壬<EFBFBD><E5A3AC><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>ʼ
/*---------------- Tape Label --------------------------------------*/
typedef struct stuSegDTapeLabel{
	unsigned char susn[4];	/* 01-04 Storage unit sequence number */
	unsigned char rev[5];	/* 05-09 SegD Revision <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪSD2.0<EFBFBD><EFBFBD><EFBFBD>ɴ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ2.0<EFBFBD><EFBFBD>ʽ */
	unsigned char sus[6];	/* 10-15 Storage unit structure */
	unsigned char ba[4];	/* 16-19 Binding addition */
	unsigned char mbs[10];	/* 20-29 Maximum block size */
	unsigned char acode[10];/* 30-39 API Producer organization code */
	unsigned char cdate[11];/* 40-50 Creation date */
	unsigned char sn[12];	/* 51-62 Serial number */
	unsigned char res[6];	/* 63-68 Reserved */

	//Storage set identifier 60<36><30><EFBFBD>ֽ<EFBFBD>
	unsigned char eln[12];	/* 69-80 External Label Name */
	unsigned char ren[24];	/* 81-104 Recording Entity Name */
	unsigned char ud[14];	/* 105-118 User defined */
	unsigned char msr[10];	/* 119-128 Max shot records per field record */
} SEGD_TAPE_LABEL;


//ͷ<>ο<EFBFBD><CEBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>ͷ<EFBFBD>Σ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD>ѡ<EFBFBD><D1A1>
//      <20><>չͷ<D5B9>Ρ<EFBFBD><CEA1>ⲿͷ<E2B2BF>Σ<EFBFBD><CEA3><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1>Ϊ32<33>ֽ<EFBFBD>
//      
//
//  -----------------------------------------------------------------------------------
//  |           |           |          |        |        |        |        |
//  |  ͨ<><CDA8>ͷ1  |  ͨ<><CDA8>ͷ2  |  ͨ<><CDA8>ͷ  |  ͨ<><CDA8>  |  ͨ<><CDA8>  |  ͨ<><CDA8>  |   ...  | 
//  |           |           |  (<28><>ѡ)  |  <20><><EFBFBD><EFBFBD>1 |  <20><><EFBFBD><EFBFBD>2 |  <20><><EFBFBD><EFBFBD>3 |        |
//  -----------------------------------------------------------------------------------
//  |   32<33>ֽ<EFBFBD>  |    32B    |    32    |   32   |   32   |   32   |  ...   |
//                            <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ1
//                              <20>ж<EFBFBD><D0B6><EFBFBD>

/*---------------- General header block #1 -------------------------*/

typedef struct stuSegDGeneralHeader1{
        unsigned char f[2];   /* 01-02 File number (0-9999) <20>ļ<EFBFBD><C4BC>ţ<EFBFBD>
							  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>9999<EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD><EFBFBD>ɸô<EFBFBD>ΪFFFF<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>2<EFBFBD>ĵ<EFBFBD>1~3<EFBFBD>ֽڴ<EFBFBD> */
        unsigned short fc;    /* 03-04 Format code			<09><>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD> */
        char k1_k2;           /* 05    General constants */
        char k3_k4;           /* 06    General constants */
        char k5_k6;           /* 07    General constants */
        char k7_k8;           /* 08    General constants */
        char k9_k10;          /* 09    General constants */
        char k11_k12;         /* 10    General constants */
        unsigned char year;   /* 11    Year (0-99) */
        unsigned char gh_day1;/* 12    Number blocks in general header ͷ<>ο<EFBFBD><CEBF>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>*/
                              /* 12     - day of year (x--) */
        unsigned char day;    /* 13    Day of year (xx) */
        unsigned char hour;   /* 14    Hour of day */
        unsigned char minute; /* 15    Minute of hour */
        unsigned char second; /* 16    Second of minute */
        unsigned char m[3];   /* 17    Manufacturer's code <20><><EFBFBD><EFBFBD><EFBFBD>̴<EFBFBD><CCB4><EFBFBD>*/
                              /* 18-19 and serial number */
        unsigned char b[3];   /* 20-22 Bytes per scan (multiplexed only) ÿ<><C3BF>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʱ*/
        unsigned char i;      /* 23    Base scan interval			<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
        unsigned char p_sbx;  /* 24    Polarity */
                              /* 24    - Number of scans per block */
        unsigned char sb;     /* 25    Number of scans per block */
        unsigned char z_r1;   /* 26    Record type */
                              /* 26    - Record length				<09><>¼<EFBFBD><C2BC><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>2<EFBFBD>е<EFBFBD>15~17<31>ֽ<EFBFBD>*/
        unsigned char r;      /* 27    Record length */
        unsigned char str;    /* 28    Scan types per record		ɨ<><C9A8><EFBFBD><EFBFBD><EFBFBD>͸<EFBFBD><CDB8><EFBFBD>			*/
        unsigned char cs;     /* 29    Channels sets per scan type	ÿ<><C3BF>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĵ<D0B5><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
							  <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ΧΪ0~99<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>99ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>4<EFBFBD><EFBFBD>5<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD>*/
        unsigned char sk;     /* 30    Sample Skew blocks			<09><><EFBFBD><EFBFBD>ʱƫͷ<C6AB>θ<EFBFBD><CEB8><EFBFBD><EFBFBD><EFBFBD>Ϊ0ʱ<30><CAB1>ʾû<CABE><C3BB>*/
        unsigned char ec;     /* 31    Extended header length		<09><>չͷ<D5B9>θ<EFBFBD><CEB8><EFBFBD><EFBFBD><EFBFBD>
							  <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ΧΪ0~99<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>99<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪFF<EFBFBD><EFBFBD>
							  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>2<EFBFBD>ĵ<EFBFBD>6<EFBFBD><EFBFBD>7<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD> */
        unsigned char ex;     /* 32    External header length		<09>ⲿͷ<E2B2BF><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
							  <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>Χ0~99<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>8<EFBFBD><EFBFBD>9<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD>*/
} SEGD_GENERAL_HEADER_1;


/*---------------- General header block #2 -------------------------*/

typedef struct stuSegDGeneralHeader2{
        unsigned char ef[3];	/* 01-03 Extended file number */
        unsigned char en[2];	/* 04-05 Extended channel sets and scan types */
        unsigned char ecx[2];	/* 06-07 Extended header blocks <20><>չͷ<D5B9><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չͷ<D5B9><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>99ʱ<39><CAB1>ʹ<EFBFBD><CAB9>*/
        unsigned char eh[2];	/* 08-09 external header blocks <20>ⲿͷ<E2B2BF><CDB7><EFBFBD><EFBFBD> */
        char x1;				/* 10    undefined */
        unsigned char rev[2];	/* 11-12 SEG-D revision number */
        unsigned short gt;		/* 13-14 General trailer number */
        unsigned char erl[3];	/* 15-17 Extended record length <20><>չ<EFBFBD><D5B9>¼<EFBFBD><C2BC><EFBFBD><EFBFBD> */
        char x2;				/* 18    undefined */
        unsigned char bn;		/* 19    General header block number ͨ<><CDA8>ͷ<EFBFBD>ο<EFBFBD><CEBF><EFBFBD><EFBFBD><EFBFBD>*/
        char x3[13];			/* 20-32 undefined */
} SEGD_GENERAL_HEADER_2;


/*---------------- General header block #n -------------------------*/

typedef struct stuSegDGeneralHeaderN{
        char x1[3];				/* 01-03 undefined */
        unsigned char sln[5];	/* 04-08 Source line number<65><72>4-5Ϊ<35><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>7-8ΪС<CEAA><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
        unsigned char spn[5];	/* 09-13 Source point number<65><72>9-11Ϊ<31><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>12-13ΪС<CEAA><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
        unsigned char spi;		/* 14    Source point index */
        unsigned char pc;		/* 15    Phase control */
        unsigned char v;		/* 16    Type vibrator */
        short pa;				/* 17-18 Phase angle */
        unsigned char bn;		/* 19    General header block number */
        unsigned char ss;		/* 20    Source set number */
        char x2[12];			/* 21-32 undefined */
} SEGD_GENERAL_HEADER_N;


/*---------------- General header extension (Sercel SN358) ---------*/

typedef struct stuSegDGeneralHeaderSN358{
        unsigned char fc1;				/* 01    first and last channel of seismic param 1 */
        unsigned char lc1;				/* 01-02 last channel of seismic param 1 */
        unsigned char fc2;				/* 03-04 first channel of seismic param 2 */
        unsigned char f_lc2;			/* 03-04 first and last channel of seismic param 2 */
        unsigned char lc2;				/* 04-05 last channel of seismic param 2 */
        unsigned char fc3;				/* 06-07 first channel of seismic param 3 */
        unsigned char f_lc3;			/* 07    fist and last channel of seismic param 3 */
        unsigned char lc3;				/* 07-08 last channel of seismic param 3 */
        unsigned char fc4;				/* 09-10 first channel of seismic param 4 */
        unsigned char f_lc4;			/* 10    first and last channel of seismic param 4 */
        unsigned char lc4;				/* 10-11 fist channel of seismic param 4 */
        unsigned char f_lac1;			/* 12    first and last aux channel of scan type 1 */
        unsigned char fsc1;				/* 13-14 first seismic channel of scan type 1 */
        unsigned char f_lsc1;			/* 14    first and last seismic channel of scan type 1 */
        unsigned char lsc1;				/* 14-15 last seismic channel of scan type 1 */
        unsigned char sam_int1;			/* 16    sample interval of scan type 1 */
        unsigned char fac2;				/* 17    first and last aux channel of scan type 2 */
        unsigned char fsc2;				/* 18-19 first seismic channel of scan type 2 */
        unsigned char f_lsc2;			/* 19    first and last seismic channel of scan type 2 */
        unsigned char lsc2;				/* 19-20 last seismic channel of scan type 2 */
        unsigned char sam_int2;			/* 21    sample interval of scan type 2 */
        unsigned char bl_sig_le;		/* 22    block signature length (n*0.1 s) */
        unsigned char rec_length[2];	/* 23-24 record length n*0.1 s (00.0-99.9) s */
        unsigned char dyn_swit_del[2];  /* 25-26 dynamically switching delay (00.0-99.9 s) */
        unsigned char rec_del[2];       /* 27-28 recording delay (00.0-99.9s) */
        unsigned char ty_a_cha12;		/* 29    type of auxiliary channel 1, channel 2 */
        unsigned char ty_a_cha34;		/* 30    type of auxiliary channel 3, channel 4 */
        unsigned char ty_a_cha56;		/* 31    type of auxiliary channel 5, channel 6 */
        unsigned char ty_a_cha78;		/* 32    type of auxiliary channel 7, channel 8 */
        unsigned char mode_num;			/* 33    mode number */
        unsigned char an_sys_co;		/* 34    analog sys count (1-2), tape transport num */
        unsigned char reel_num[2];      /* 35-36 reel number (0-9999) */
        unsigned char file_num[2];      /* 37-38 file logical number */
        unsigned char sp_num[2];        /* 39-40 shot point number */
        unsigned char lc_nf;			/* 41    lc=0 lowcut fi. out, nf=0 notch fi. out */
        unsigned char fg_ic;			/* 42    fg=1 fist fixed gain, ic=1 internal osc. */
        unsigned char of1;				/* 43-45 oscillator frequency (0-9999.9 Hz) */
        unsigned char of2;				/* 43-45 oscillator frequency (0-9999.9 Hz) */
        unsigned char of3;				/* 43-45 oscillator frequency (0-9999.9 Hz) */
        unsigned char osc_att;			/* 46    oscillator attenuator */
        unsigned char t_sig_ph;			/* 47    test signal phase (1:+,0:-) */
        unsigned char m_gain;			/* 48    main gain amplifier (0-15) 16: IFP */
        unsigned char dum[16];			/* 49-64 additional information */
} SEGD_GEN_HEAD_SN358;


/*---------------- Scan type header (Channel set descriptor ) ------*/

typedef struct stdSegDChannelSetHeader{
        unsigned char st;     /* 01    Scan type ɨ<><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
        unsigned char cn;     /* 02    Channel set number <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
        unsigned short tf;    /* 03-04 Channel set start time <20><>ʼʱ<CABC><CAB1>*/
        unsigned short te;    /* 05-06 Channel set end time <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>*/
        unsigned char mp[2];  /* 07-08 Descaling exponent <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
        unsigned char cs[2];  /* 09-10 Channels in this channel set <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD>*/
        unsigned char c;      /* 11    Channel type identification */
        unsigned char sc_j;   /* 12    Sample/channel gain <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
                              /* 12    - Gain control method <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʒ<EFBFBD>ʽ*/
		unsigned short af;    /* 13-14 Alias filter frequency ȥ<><C8A5>Ƶ<EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD><EFBFBD>ֹƵ<D6B9><C6B5>*/
        unsigned short as;    /* 15-16 Alias filter slope ȥ<><C8A5>Ƶ<EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
        unsigned short lc;    /* 17-18 Low cut filter frequency <20><><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD><EFBFBD>ֹƵ<D6B9><C6B5>*/
        unsigned short ls;    /* 19-20 Low cut filter slope <20><><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
		unsigned short nt[3]; /* 21-26 Notch filter frequency <20>ݲ<EFBFBD><DDB2>˲<EFBFBD><CBB2><EFBFBD>Ƶ<EFBFBD><C6B5>*/
        unsigned short ecs;   /* 27-28 Extended channel set number <20><>չ<EFBFBD><D5B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
        unsigned char efh;    /* 29    Extended header flag <20>ڰ汾2<E6B1BE><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ*/
        unsigned char vs;     /* 30    Vertical stack */
        unsigned char cab;    /* 31    Streamer number */
        unsigned char ary;    /* 32    Array forming */
} SEGD_CHANNEL_SET_HEADER;


/*---------------- Sample skew <20><><EFBFBD><EFBFBD>ʱƫ-------------------------------------*/
//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>β<EFBFBD><CEB2><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>һ<EFBFBD><D2BB>ɨ<EFBFBD>迪ʼʱ<CABC>̣<EFBFBD><CCA3><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ʱ<EFBFBD>֣<EFBFBD><D6A3><EFBFBD>ƫ<EFBFBD><C6AB>

typedef struct stuSegDSampleSkew {
        unsigned char skew[32];
} SEGD_SAMPLE_SKEW;


/*---------------- Extended header <20><>չͷ---------------------------------*/

typedef struct stuSegDExtendedHeader {
        unsigned char dummy[32];
} SEGD_EXTENDED_HEADER;


/*---------------- External header <20>ⲿͷ---------------------------------*/

typedef struct stuSegDExternalHeader {
        unsigned char dummy[32];
} SEGD_EXTERNAL_HEADER;


//
//  -----------------------------------------------------------------------------------
//  |        |        |        |        |        |        |        |        | 
//  |  <20><>ͷ  |  <20><>ͷ  |  <20><>ͷ  |  <20><>ͷ  |  <20><>ͷ  |  <20><>ͷ  |   ...  | <20><><EFBFBD>ݵ<EFBFBD> |
//  |        |  <20><>չ1 |  <20><>չ2 |  <20><>չ3 |  <20><>չ4 |  <20><>չ5 |        |        |
//  -----------------------------------------------------------------------------------
//  | 20<32>ֽ<EFBFBD> |   32B  |   32   |   32   |   32   |   32   |  ...   |        |
//

/*--------------- Demux trace header <20><>ͷ------------------------------*/

typedef struct stuSegDDemuxTraceHeader {
        unsigned char f[2];		/* 01-02 file number		<09>ļ<EFBFBD><C4BC><EFBFBD>		*/
        unsigned char st;		/* 03    scan type (1-2)	ɨ<><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	*/
        unsigned char cn;		/* 04    channel set		<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>		*/
        unsigned char tn[2];	/* 05-06 trace number		<09><><EFBFBD><EFBFBD>		*/
        unsigned char t[3];		/* 07-09 timing word of the first sample if
										 the data were written in the multiplexed format */
        unsigned char the;		/* 10    trace header extensions <20><>չ<EFBFBD><D5B9>ͷ<EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD> */
        unsigned char ss;		/* 11    sample skew of the first sample
										 of the trace. It is a part of
										 the fractional part of the base scan interval. 
										 Res :1/256 scan interval */
        unsigned char tr;		/* 12    trace edit */
        unsigned char tw[3];	/* 13-15 time from time break to the end of
										 the internal time break window (binary
										 number, inc 1ms) */
        unsigned char en[2];	/* 16-17 extended channel set number */
        unsigned char efn[3];	/* 18-20 extended file number */
} SEGD_DEMUX_TRACE_HEADER;


/*---------------- Trace header extension <20><>ͷ<EFBFBD><CDB7>չ--------------------------*/

typedef struct stuSegDTraceHeaderExtension {
        unsigned char rln[3];	/* 01-03 Receiver line number	<09><><EFBFBD><EFBFBD><EFBFBD>ߺ<EFBFBD>	*/
        unsigned char rpn[3];	/* 04-06 Receiver point number	<09><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD>	*/
        unsigned char rpi;		/* 07    Receiver point index	<09><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>	*/
        unsigned char nbs[3];	/* 08-10 Number of samples per traces ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
		//<2F><>Rev1<76><31>11-32û<32>ж<EFBFBD><D0B6><EFBFBD>
        //char x[22];				/* 11-32 undefined */
		//<2F><>Rev2<76>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><D5B9>
		unsigned char erln[5];	/* 11-15 Extended Receiver Line Number */
		unsigned char erpn[5];	/* 16-20 Extended Receiver Point Number */
		unsigned char sen;		/* Sensor Type recorded on this trace */
		char x[11];				/* 22-32 undefined */
} SEGD_TRACE_HEADER_EXT;


/*---------------- General trailer ---------------------------------*/

typedef struct stuSegDGeneralTrailer {
	unsigned short gt;		/* 01-02 General trailer number */
	char x1[8];				/* 03-10 undefined */
	unsigned char c;		/* 11    Channel type identification */
	char x2[21];			/* 12-32 undefined */
} SEGD_GENERAL_TRAILER;

}//namespace

using namespace NSegD;