internal static SeriesCollection GetPieChartMaterials(CarboProject carboLifeProject)
{
SeriesCollection result = new SeriesCollection();
try
{
List <CarboDataPoint> PieceListMaterial = new List <CarboDataPoint>();
Func <ChartPoint, string> labelPoint = chartPoint => string.Format("{0} tCO₂", chartPoint.Y, chartPoint.Participation);
PieceListMaterial = carboLifeProject.getMaterialTotals();
PieceListMaterial = PieceListMaterial.OrderByDescending(o => o.Value).ToList();
//int total = monValues.Sum(x => Convert.ToInt32(x));
double total = PieceListMaterial.Sum(x => x.Value);
//Old Code:
//if there are too many materials in the list combine any items over 8.
/*
* if (PieceListMaterial.Count > 8)
* {
* CarboDataPoint otherPoint = new CarboDataPoint();
* otherPoint.Name = "Miscellaneous";
*
* for (int i = PieceListMaterial.Count -1; i>7; i--)
* {
* CarboDataPoint cp = PieceListMaterial[i] as CarboDataPoint;
* otherPoint.Value += cp.Value;
* PieceListMaterial.RemoveAt(i);
* }
* PieceListMaterial.Add(otherPoint);
* }
*/
//New Code: Trim all values below 5%,
List <int> counter = new List <int>();
CarboDataPoint otherPoint = new CarboDataPoint();
otherPoint.Name = "Miscellaneous";
for (int i = PieceListMaterial.Count - 1; i >= 0; i--)
{
CarboDataPoint cp = PieceListMaterial[i] as CarboDataPoint;
double pecent = cp.Value / total;
if (pecent <= 0.05 && pecent > 0)
{
//The item is too small for the graph:
otherPoint.Value += cp.Value;
counter.Add(i);
}
}
//If used, add to the list, only if more than one materials / elements were merged.
if (otherPoint.Value > 0 && counter.Count > 1)
{
PieceListMaterial.Add(otherPoint);
//Remove the items from the list
foreach (int i in counter)
{
PieceListMaterial.RemoveAt(i);
}
}
//make positive if negative
foreach (CarboDataPoint cp in PieceListMaterial)
{
if (cp.Value < 0)
{
cp.Name = "(Negative)" + cp.Name;
cp.Value = cp.Value * -1;
}
}
foreach (CarboDataPoint ppin in PieceListMaterial)
{
PieSeries newSeries = new PieSeries
{
Title = ppin.Name,
Values = new ChartValues <double> {
Math.Round(ppin.Value, 2)
},
PushOut = 1,
DataLabels = true,
LabelPoint = labelPoint
};
newSeries.Foreground = Brushes.Black;
newSeries.FontWeight = FontWeights.Normal;
newSeries.FontStyle = FontStyles.Normal;
newSeries.FontSize = 12;
result.Add(newSeries);
}
}
catch
{
return(null);
}
return(result);
}
