# (C) Copyright 2005- ECMWF.
# Forecast probability data

constant GRIBEXSection1Problem = 58 - section1Length ;

constant probPoint=5 : hidden;
constant probContinous=9 : hidden;

# 1 to 2 conversion
_if (timeRangeIndicator==3 || timeRangeIndicator==4
    || timeRangeIndicator==5) {
  alias productDefinitionTemplateNumber=probContinous;
} else {
  alias productDefinitionTemplateNumber=probPoint;
}

template mars_labeling "grib1/mars_labeling.def";

unsigned[1] forecastProbabilityNumber : dump;

unsigned[1] totalNumberOfForecastProbabilities : dump;

signed[1] localDecimalScaleFactor : dump;

unsigned[1] thresholdIndicator : dump;

signed[2] lowerThreshold : can_be_missing,dump;

signed[2] upperThreshold : can_be_missing,dump;

# 1 to 2 conversion
_if (thresholdIndicator == 1) {
#  Probability of event above lower limit
  transient probabilityType=3;
  transient scaleFactorOfLowerLimit=localDecimalScaleFactor;
  transient scaledValueOfLowerLimit=lowerThreshold;
  transient scaleFactorOfUpperLimit=missing();
  transient scaledValueOfUpperLimit=missing();

}
_if (thresholdIndicator == 2) {
#  Probability of event below upper limit
  transient probabilityType=4;
  transient scaleFactorOfLowerLimit= missing();
  transient scaledValueOfLowerLimit=missing();
  transient scaleFactorOfUpperLimit=localDecimalScaleFactor;
  transient scaledValueOfUpperLimit=upperThreshold;
}
_if (thresholdIndicator == 3) {
# Probability of event between lower and upper limits.
# The range includes the lower limit but not the upper limit
  transient probabilityType=2;
  transient scaleFactorOfLowerLimit=localDecimalScaleFactor;
  transient scaledValueOfLowerLimit=lowerThreshold;
  transient scaleFactorOfUpperLimit=localDecimalScaleFactor;
  transient scaledValueOfUpperLimit=upperThreshold;
}

# spareSetToZero
pad padding_loc5_1(1);
alias number = forecastProbabilityNumber;
alias totalNumber=totalNumberOfForecastProbabilities;