How to use the construct.SLInt16 function in construct
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PIC-IRIS / PH5 / ph5 / core / segy_h.py View on Github 
# Transduction constant mantissa
construct.SLInt32("Tucmant"),
# Transduction constant exponent
construct.SLInt16("Tucexp"),
construct.SLInt16("Tdu"), # Transduction units
# Device/Trace identifier
construct.SLInt16("Dti"),
construct.SLInt16("Tscaler"), # Time scalar
# Source Type/Orientation
construct.SLInt16("Sto"),
# Source Energy direction
construct.String("Sed", 6),
# Source measurement mantissa
construct.SLInt32("Smsmant"),
# Source measurement exponent
construct.SLInt16("Smsexp"),
# Source measurement Units
construct.SLInt16("Smu"),
# Last 8 bytes undefined in rev1
# Trace start time usec
construct.UBInt32("start_usec"),
construct.UBInt32("shot_us")) # Shot time usec
return TRACE# Uphole time at source in ms
construct.SLInt16("sourceUpholeTime"),
# Uphole time at group in ms
construct.SLInt16("recUpholeTime"),
# Source static correction in ms
construct.SLInt16("sourceStaticCor"),
# Group static correction in ms
construct.SLInt16("recStaticCor"),
# Total static applied in ms
construct.SLInt16("totalStatic"),
construct.SLInt16("lagTimeA"), # Lag time A, ms
construct.SLInt16("lagTimeB"), # Lag time B, ms
# Delay recording time, ms
construct.SLInt16("delay"),
# Mute start time, ms
construct.SLInt16("muteStart"),
construct.SLInt16("muteEnd"), # Mute end time, ms
# *** Number of samples ***
construct.ULInt16("sampleLength"),
# *** Sample interval, us ***
construct.SLInt16("deltaSample"),
construct.SLInt16("gainType"), # Gain type
construct.SLInt16("gainConst"), # Gain constant
construct.SLInt16("initialGain"), # Early gain
construct.SLInt16("correlated"), # Correlated?
# Sweep frequency at start
construct.SLInt16("sweepStart"),
# Sweep frequency at end
construct.SLInt16("sweepEnd"),
# Sweep length in ms
construct.SLInt16("sweepLength"),
construct.SLInt16("sweepType"), # Sweep typeconstruct.SLInt16("notchFreq"),
# Notch filter slope, dB/octave
construct.SLInt16("notchSlope"),
# Low-cut frequency, Hz
construct.SLInt16("lowCutFreq"),
# High-cut frequency, Hz
construct.SLInt16("hiCutFreq"),
# Low-cut slope, dB/octave
construct.SLInt16("lowCutSlope"),
# High-cut slope, dB/octave
construct.SLInt16("hiCutSlope"),
construct.SLInt16("year"), # Year
construct.SLInt16("day"), # Day of Year
construct.SLInt16("hour"), # Hour
construct.SLInt16("minute"), # Minute
construct.SLInt16("second"), # Seconds
# Time bias code
construct.SLInt16("timeBasisCode"),
# Trace weighting for LSB
construct.SLInt16("traceWeightingFactor"),
# Geophone group number
construct.ULInt16("phoneRollPos1"),
# Geophone group number (field)
construct.ULInt16("phoneFirstTrace"),
# Geophone group number, last trace (field)
construct.ULInt16("phoneLastTrace"),
construct.SLInt16("gapSize"), # Gap size
construct.SLInt16("taperOvertravel"))
# Over travel
return TRACEconstruct.SLInt16("muteStart"),
construct.SLInt16("muteEnd"), # Mute end time, ms
# *** Number of samples ***
construct.ULInt16("sampleLength"),
# *** Sample interval, us ***
construct.SLInt16("deltaSample"),
construct.SLInt16("gainType"), # Gain type
construct.SLInt16("gainConst"), # Gain constant
construct.SLInt16("initialGain"), # Early gain
construct.SLInt16("correlated"), # Correlated?
# Sweep frequency at start
construct.SLInt16("sweepStart"),
# Sweep frequency at end
construct.SLInt16("sweepEnd"),
# Sweep length in ms
construct.SLInt16("sweepLength"),
construct.SLInt16("sweepType"), # Sweep type
# Sweep taper at start, ms
construct.SLInt16("sweepTaperAtStart"),
# Sweep taper at end, ms
construct.SLInt16("sweepTaperAtEnd"),
construct.SLInt16("taperType"), # Taper type
# Alias filter frequency, Hz
construct.SLInt16("aliasFreq"),
# Alias filter slope, dB/octave
construct.SLInt16("aliasSlope"),
# Notch filter frequency, Hz
construct.SLInt16("notchFreq"),
# Notch filter slope, dB/octave
construct.SLInt16("notchSlope"),
# Low-cut frequency, Hz
construct.SLInt16("lowCutFreq"),# Sweep frequency at end
construct.SLInt16("sweepEnd"),
# Sweep length in ms
construct.SLInt16("sweepLength"),
construct.SLInt16("sweepType"), # Sweep type
# Sweep taper at start, ms
construct.SLInt16("sweepTaperAtStart"),
# Sweep taper at end, ms
construct.SLInt16("sweepTaperAtEnd"),
construct.SLInt16("taperType"), # Taper type
# Alias filter frequency, Hz
construct.SLInt16("aliasFreq"),
# Alias filter slope, dB/octave
construct.SLInt16("aliasSlope"),
# Notch filter frequency, Hz
construct.SLInt16("notchFreq"),
# Notch filter slope, dB/octave
construct.SLInt16("notchSlope"),
# Low-cut frequency, Hz
construct.SLInt16("lowCutFreq"),
# High-cut frequency, Hz
construct.SLInt16("hiCutFreq"),
# Low-cut slope, dB/octave
construct.SLInt16("lowCutSlope"),
# High-cut slope, dB/octave
construct.SLInt16("hiCutSlope"),
construct.SLInt16("year"), # Year
construct.SLInt16("day"), # Day of Year
construct.SLInt16("hour"), # Hour
construct.SLInt16("minute"), # Minute
construct.SLInt16("second"), # Seconds
# Time bias code# Water depth at group
construct.SLInt32("recWaterDepth"),
# Elevation and depth scalar
construct.SLInt16("elevationScale"),
# Coordinate scalar
construct.SLInt16("coordScale"),
# X coordinate of source
construct.SLInt32("sourceLongOrX"),
# Y coordinate of source
construct.SLInt32("sourceLatOrY"),
# X coordinate of receiver group
construct.SLInt32("recLongOrX"),
# Y coordinate of receiver group
construct.SLInt32("recLatOrY"),
# Coordinate system
construct.SLInt16("coordUnits"),
# Weathering velocity
construct.SLInt16("weatheringVelocity"),
# Sub-weathering velocity
construct.SLInt16("subWeatheringVelocity"),
# Uphole time at source in ms
construct.SLInt16("sourceUpholeTime"),
# Uphole time at group in ms
construct.SLInt16("recUpholeTime"),
# Source static correction in ms
construct.SLInt16("sourceStaticCor"),
# Group static correction in ms
construct.SLInt16("recStaticCor"),
# Total static applied in ms
construct.SLInt16("totalStatic"),
construct.SLInt16("lagTimeA"), # Lag time A, ms
construct.SLInt16("lagTimeB"), # Lag time B, msconstruct.SLInt16("aliasSlope"),
# Notch filter frequency, Hz
construct.SLInt16("notchFreq"),
# Notch filter slope, dB/octave
construct.SLInt16("notchSlope"),
# Low-cut frequency, Hz
construct.SLInt16("lowCutFreq"),
# High-cut frequency, Hz
construct.SLInt16("hiCutFreq"),
# Low-cut slope, dB/octave
construct.SLInt16("lowCutSlope"),
# High-cut slope, dB/octave
construct.SLInt16("hiCutSlope"),
construct.SLInt16("year"), # Year
construct.SLInt16("day"), # Day of Year
construct.SLInt16("hour"), # Hour
construct.SLInt16("minute"), # Minute
construct.SLInt16("second"), # Seconds
# Time bias code
construct.SLInt16("timeBasisCode"),
# Trace weighting for LSB
construct.SLInt16("traceWeightingFactor"),
# Geophone group number
construct.ULInt16("phoneRollPos1"),
# Geophone group number (field)
construct.ULInt16("phoneFirstTrace"),
# Geophone group number, last trace (field)
construct.ULInt16("phoneLastTrace"),
construct.SLInt16("gapSize"), # Gap size
construct.SLInt16("taperOvertravel"))
# Over travel
return TRACEconstruct.SLInt16("lagTimeB"), # Lag time B, ms
# Delay recording time, ms
construct.SLInt16("delay"),
# Mute start time, ms
construct.SLInt16("muteStart"),
construct.SLInt16("muteEnd"), # Mute end time, ms
# *** Number of samples ***
construct.ULInt16("sampleLength"),
# *** Sample interval, us ***
construct.SLInt16("deltaSample"),
construct.SLInt16("gainType"), # Gain type
construct.SLInt16("gainConst"), # Gain constant
construct.SLInt16("initialGain"), # Early gain
construct.SLInt16("correlated"), # Correlated?
# Sweep frequency at start
construct.SLInt16("sweepStart"),
# Sweep frequency at end
construct.SLInt16("sweepEnd"),
# Sweep length in ms
construct.SLInt16("sweepLength"),
construct.SLInt16("sweepType"), # Sweep type
# Sweep taper at start, ms
construct.SLInt16("sweepTaperAtStart"),
# Sweep taper at end, ms
construct.SLInt16("sweepTaperAtEnd"),
construct.SLInt16("taperType"), # Taper type
# Alias filter frequency, Hz
construct.SLInt16("aliasFreq"),
# Alias filter slope, dB/octave
construct.SLInt16("aliasSlope"),
# Notch filter frequency, Hz
construct.SLInt16("notchFreq"),# Shot/trigger time - minute
construct.SLInt16("shot_minute"),
# Shot/trigger time - second
construct.SLInt16("shot_second"),
# Shot/trigger time - microsec
construct.SLInt32("shot_us"),
# Override for sample interval (SET = 0)
construct.SLInt32("si_override"),
# Azimuth of sensor orient axis (empty)
construct.SLInt16("sensor_azimuth"),
# Geophone inclination (empty)
construct.SLInt16("sensor_inclination"),
# LMO static (x/v) (ms) (empty)
construct.SLInt32("lmo_ms"),
# LMO flag: (0=Y, 1=N) (SET = 1)
construct.SLInt16("lmo_flag"),
# 13 = rt-130, 16 = texan
construct.SLInt16("inst_type"),
construct.SLInt16("correction"), # 0
# Azimuth of source-receiver (min of arc)
construct.SLInt16("azimuth"),
construct.SLInt16(
"sensor_type"), # 1--L28 (PASSCAL)(4.5 Hz)\
# 2--L22 (2 Hz)\
# 3--L10B (8 Hz)\
# 4--L4 1 Hz\
# 5--L4 2 Hz\
# 6--FBA\
# 7--TDC-10 (4.5 Hz)\
# 8--L28 (GSC)\
# 9--LRS1033 (4.5 HZ)\
# 99--unknownconstruct.SLInt16("gainType"), # Gain type
construct.SLInt16("gainConst"), # Gain constant
construct.SLInt16("initialGain"), # Early gain
construct.SLInt16("correlated"), # Correlated?
# Sweep frequency at start
construct.SLInt16("sweepStart"),
# Sweep frequency at end
construct.SLInt16("sweepEnd"),
# Sweep length in ms
construct.SLInt16("sweepLength"),
construct.SLInt16("sweepType"), # Sweep type
# Sweep taper at start, ms
construct.SLInt16("sweepTaperAtStart"),
# Sweep taper at end, ms
construct.SLInt16("sweepTaperAtEnd"),
construct.SLInt16("taperType"), # Taper type
# Alias filter frequency, Hz
construct.SLInt16("aliasFreq"),
# Alias filter slope, dB/octave
construct.SLInt16("aliasSlope"),
# Notch filter frequency, Hz
construct.SLInt16("notchFreq"),
# Notch filter slope, dB/octave
construct.SLInt16("notchSlope"),
# Low-cut frequency, Hz
construct.SLInt16("lowCutFreq"),
# High-cut frequency, Hz
construct.SLInt16("hiCutFreq"),
# Low-cut slope, dB/octave
construct.SLInt16("lowCutSlope"),
# High-cut slope, dB/octave
construct.SLInt16("hiCutSlope"),construct
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Package Health Score
70 / 100Popular construct functions
- construct.Array
- construct.BFloat32
- construct.BitField
- construct.Bytes
- construct.Const
- construct.Container
- construct.Enum
- construct.Flag
- construct.LFloat32
- construct.SBInt16
- construct.SBInt32
- construct.SLInt16
- construct.SLInt32
- construct.String
- construct.Struct
- construct.UBInt16
- construct.UBInt32
- construct.UBInt8
- construct.ULInt16
- construct.ULInt32