/// <summary>This refreshes data being displayed on the graphs, based on the value of the startYear and showYear values </summary>
/// <param name="table">The data set</param>
/// <param name="startDate">The start date</param>
/// <param name="endDate">The end date</param>
/// <param name="updateYears">Update the years</param>
private void DisplayGraphMonthlyRain(DataTable table, DateTime startDate, DateTime endDate, bool updateYears)
{
try
{
if (table != null && table.Rows.Count > 0)
{
double[] monthlyRainfall = DataTableUtilities.AverageMonthlyTotals(table, "rain", startDate, endDate);
if (monthlyRainfall.Length != 0)
{
double[] avgMonthlyRainfall = DataTableUtilities.AverageMonthlyTotals(table, "rain", this.dataFirstDate, this.dataLastDate);
this.PopulateMonthlyRainfallGraph(
"Monthly Rainfall",
this.monthsToDisplay,
monthlyRainfall,
avgMonthlyRainfall);
}
}
}
catch (Exception e)
{
throw new Exception("Unable to display Detailed Graphs due to insufficient data: " + e.Message.ToString());
}
}
/// <summary>Format a summary string about the weather file</summary>
/// <param name="table">The data set</param>
private void WriteSummary(DataTable table)
{
StringBuilder summary = new StringBuilder();
summary.AppendLine("File name : " + this.weatherData.FileName);
if (!string.IsNullOrEmpty(this.weatherData.ExcelWorkSheetName))
{
summary.AppendLine("Sheet Name: " + this.weatherData.ExcelWorkSheetName.ToString());
}
summary.AppendLine("Latitude : " + this.weatherData.Latitude.ToString());
summary.AppendLine("Longitude : " + this.weatherData.Longitude.ToString());
summary.AppendLine("TAV : " + string.Format("{0, 2:f2}", this.weatherData.Tav));
summary.AppendLine("AMP : " + string.Format("{0, 2:f2}", this.weatherData.Amp));
summary.AppendLine("Start : " + this.dataStartDate.ToShortDateString());
summary.AppendLine("End : " + this.dataEndDate.ToShortDateString());
summary.AppendLine(string.Empty);
if (table != null && table.Rows.Count > 0)
{
this.dataFirstDate = DataTableUtilities.GetDateFromRow(table.Rows[0]);
this.dataLastDate = DataTableUtilities.GetDateFromRow(table.Rows[table.Rows.Count - 1]);
TimeSpan diff = this.dataLastDate - this.dataFirstDate;
// modLMC - 16/03/2016 - don't change dates if data is within the same year
if (diff.Days > 365)
{
if (this.dataFirstDate.DayOfYear != 1)
{
this.dataFirstDate = new DateTime(this.dataFirstDate.Year + 1, 1, 1);
}
}
// modLMC - 16/03/2016 - don't change dates if data is within the same year
if (this.dataFirstDate.Year != this.dataLastDate.Year)
{
if (this.dataLastDate.Day != 31 || this.dataLastDate.Month != 12)
{
this.dataLastDate = new DateTime(this.dataLastDate.Year - 1, 12, 31);
}
}
double[] yearlyRainfall = DataTableUtilities.YearlyTotals(table, "Rain", this.dataFirstDate, this.dataLastDate);
double[] monthlyRainfall = DataTableUtilities.AverageMonthlyTotals(table, "rain", this.dataFirstDate, this.dataLastDate);
double[] monthlyMaxT = DataTableUtilities.AverageDailyTotalsForEachMonth(table, "maxt", this.dataFirstDate, this.dataLastDate);
double[] monthlyMinT = DataTableUtilities.AverageDailyTotalsForEachMonth(table, "mint", this.dataFirstDate, this.dataLastDate);
// what do we do if the date range is less than 1 year.
// modlmc - 15/03/2016 - modified to pass in the "Month" values, and they may/may not contain a full year.
if (monthlyRainfall.Length <= 12)
{
this.monthsToDisplay = DataTableUtilities.GetDistinctMonthsasStrings(table, this.dataFirstDate, this.dataLastDate);
}
// long term average rainfall
if (yearlyRainfall.Length != 0)
{
double totalYearlyRainfall = MathUtilities.Sum(yearlyRainfall);
int numYears = this.dataLastDate.Year - this.dataFirstDate.Year + 1;
double meanYearlyRainfall = totalYearlyRainfall / numYears;
double stddev = MathUtilities.StandardDeviation(yearlyRainfall);
summary.AppendLine(string.Format("For years : {0} - {1}", this.dataFirstDate.Year, this.dataLastDate.Year));
summary.AppendLine("Long term average yearly rainfall : " + string.Format("{0,3:f2}mm", meanYearlyRainfall));
summary.AppendLine("Yearly rainfall std deviation : " + string.Format("{0,3:f2}mm", stddev));
string title = string.Format("Long term average data for years : {0} - {1}", this.dataFirstDate.Year, this.dataLastDate.Year);
// modlmc - 15/03/2016 - modified to pass in the "Month" values, and they may/may not contain a full year.
this.PopulateSummaryGraph(
title,
this.monthsToDisplay,
monthlyRainfall,
monthlyMaxT,
monthlyMinT);
}
this.weatherDataView.Summarylabel = summary.ToString();
}
}