public static Highcharts ConstructChart(Dictionary<int, double> dataToDisplay, string chartTitle,string chartDescription)
{
var title = new Title() { Text = chartTitle };
var subtitle = new Subtitle() { Text = chartDescription };
var XData = dataToDisplay.Keys.ToList().ConvertAll(x => Convert.ToString(x)).ToArray();
var YData = dataToDisplay.Values;
var xaxisTitle = new XAxisTitle { Text = "X" };
var yaxisTitle = new YAxisTitle { Text = "Y" };
Highcharts chart = new Highcharts("Chart")
.SetTitle(title)
.SetSubtitle(subtitle)
.SetXAxis(new XAxis
{
Categories = XData,
Title = xaxisTitle,
LineWidth = 0
})
.SetYAxis(new YAxis
{
Title = yaxisTitle,
LineWidth = 0
})
.SetSeries(new Series
{
Data = new Data(YData.OfType<object>().ToArray()),
});
return chart;
}
private void loadSummaryPieChart()
{
queryString = "select count(*) as count, CASE greatest(Neutral,Happy,Sad,Angry,Surprised,Scared,Disgusted)" +
" WHEN Neutral THEN 'Neutral'" +
" WHEN Happy THEN 'Happy'" +
" WHEN Sad THEN 'Sad'" +
" WHEN Angry THEN 'Angry'" +
" WHEN Surprised THEN 'Surprised'" +
" WHEN Scared THEN 'Scared'" +
" WHEN Disgusted THEN 'Disgusted'" +
" else 'Unknown'" +
" END AS maxColumn from alef.emotions where Student_id=" + studentId +
" and Timestamp BETWEEN " + start + " AND " + end + " group by maxColumn;";
DataTable data = loadDatafromDB(queryString);
var percentages = new List <object[]>();
double totalNumOfRecords = 0;
foreach (DataRow dr in data.Rows)
{
totalNumOfRecords += Convert.ToDouble(dr["count"]);
}
foreach (DataRow dr in data.Rows)
{
double percentage = Math.Round((((Convert.ToDouble(dr["count"])) / totalNumOfRecords) * 100.0), 2);
percentages.Add(new object[] { dr["maxColumn"].ToString(), percentage.ToString() });
}
Title title = new DotNet.Highcharts.Options.Title();
title.Text = "";
DotNet.Highcharts.Highcharts chart2 = new DotNet.Highcharts.Highcharts("chart2").SetTitle(title);
chart2.SetSeries(new Series
{
Type = DotNet.Highcharts.Enums.ChartTypes.Pie,
Data = new Data(percentages.ToArray())
});
ltrChart2.Text = chart2.ToHtmlString();
}
private void generateGraph(ConfigDAO configs, Literal literal)
{
DataTable data = loadDatafromDB(queryString);
Object[] intensities = new Object[data.Rows.Count];
string[] timestamps = new string[data.Rows.Count];
int index = 0;
foreach (DataRow dr in data.Rows)
{
intensities[index] = (dr[configs.emotion].ToString() != "") ? dr[configs.emotion] : null;
timestamps[index] = dr["Timestamp"].ToString();
index++;
}
Series[] serieses = new Series[1];
Series dataSeries = new Series {
Data = new Data(intensities)
};
dataSeries.Color = configs.color;
dataSeries.Name = configs.emotion;
serieses[0] = dataSeries;
Title title = new DotNet.Highcharts.Options.Title();
title.Text = configs.graphTitle;
XAxis xAxis = new XAxis();
xAxis.Categories = timestamps;
xAxis.TickInterval = 200;
DotNet.Highcharts.Highcharts chart = new DotNet.Highcharts.Highcharts(configs.chartName).SetXAxis(xAxis).SetSeries(serieses).SetTitle(title);
literal.Text = chart.ToHtmlString();
}
/// <summary>
/// The chart's main title.
/// </summary>
/// <param name="title"></param>
/// <returns></returns>
public Highcharts SetTitle(Title title)
{
_Title = title;
return this;
}
private void loadEmotionGraph()
{
queryString = "select Neutral,Happy,Sad,Angry,Surprised,Scared,Disgusted,Timestamp from alef.emotions where Student_id= "
+ studentId + " and Timestamp BETWEEN " + start + " AND " + end + "; ";
DataTable data = loadDatafromDB(queryString);
Object[] neutralIntensities = new Object[data.Rows.Count];
Object[] happyIntensities = new Object[data.Rows.Count];
Object[] sadIntensities = new Object[data.Rows.Count];
Object[] angryIntensities = new Object[data.Rows.Count];
Object[] surprisedIntensities = new Object[data.Rows.Count];
Object[] scaredIntensities = new Object[data.Rows.Count];
Object[] disgustedIntensities = new Object[data.Rows.Count];
string[] timestamps = new string[data.Rows.Count];
int index = 0;
foreach (DataRow dr in data.Rows)
{
neutralIntensities[index] = (dr["Neutral"].ToString() != "") ? dr["Neutral"] : null;
happyIntensities[index] = (dr["Happy"].ToString() != "") ? dr["Happy"] : null;
sadIntensities[index] = (dr["Sad"].ToString() != "") ? dr["Sad"] : null;
angryIntensities[index] = (dr["Angry"].ToString() != "") ? dr["Angry"] : null;
surprisedIntensities[index] = (dr["Surprised"].ToString() != "") ? dr["Surprised"] : null;
scaredIntensities[index] = (dr["Scared"].ToString() != "") ? dr["Scared"] : null;
disgustedIntensities[index] = (dr["Disgusted"].ToString() != "") ? dr["Disgusted"] : null;
timestamps[index] = dr["Timestamp"].ToString();
index++;
}
Series[] serieses = new Series[7];
Series neutralDataSeries = new Series {
Data = new Data(neutralIntensities)
};
neutralDataSeries.Name = "Neutral";
Series happyDataSeries = new Series {
Data = new Data(happyIntensities)
};
happyDataSeries.Name = "Happy";
Series sadDataSeries = new Series {
Data = new Data(sadIntensities)
};
sadDataSeries.Name = "Sad";
Series angryDataSeries = new Series {
Data = new Data(angryIntensities)
};
angryDataSeries.Name = "Angry";
Series surprisedDataSeries = new Series {
Data = new Data(surprisedIntensities)
};
surprisedDataSeries.Name = "Surprised";
Series scaredDataSeries = new Series {
Data = new Data(scaredIntensities)
};
scaredDataSeries.Name = "Scared";
Series disgustedDataSeries = new Series {
Data = new Data(disgustedIntensities)
};
disgustedDataSeries.Name = "Disgusted";
serieses[0] = neutralDataSeries;
serieses[1] = happyDataSeries;
serieses[2] = sadDataSeries;
serieses[3] = angryDataSeries;
serieses[4] = surprisedDataSeries;
serieses[5] = scaredDataSeries;
serieses[6] = disgustedDataSeries;
Title title = new DotNet.Highcharts.Options.Title();
title.Text = "Emotion Summary";
XAxis xAxis = new XAxis();
xAxis.Categories = timestamps;
xAxis.TickInterval = 200;
DotNet.Highcharts.Highcharts chart = new DotNet.Highcharts.Highcharts("chart1").SetXAxis(xAxis).SetSeries(serieses).SetTitle(title);
ltrChart.Text = chart.ToHtmlString();
}