//
// Plot total crimes by area:
//
private void plotTotalCrimesByAreaToolStripMenuItem_Click(object sender, EventArgs e)
{
//
// let's use a separate window to show the graph:
//
FormPlot plot = new FormPlot();
//
// Compute and plot total # of crimes by each area:
//
string filename = this.txtDBFile.Text;
BusinessTier.Business biztier;
biztier = new BusinessTier.Business(filename);
if (biztier.OpenCloseConnection() == false)
{
MessageBox.Show("error");
return;
}
Dictionary <int, long> stats = biztier.GetTotalsByArea();
//
// We have the data, now let's setup and plot in the chart
// on the other form:
//
plot.chart1.Series.Clear();
// configure chart:
var series1 = new CHART.Series
{
Name = "Total Crimes",
Color = System.Drawing.Color.Blue,
IsVisibleInLegend = true,
IsXValueIndexed = true,
ChartType = CHART.SeriesChartType.Line
};
plot.chart1.Series.Add(series1);
plot.chart1.ChartAreas[0].AxisX.Interval = 5;
// now plot (x, y) coordinates:
foreach (int area in stats.Keys)
{
int x = area;
long y = stats[area];
series1.Points.AddXY(x, y);
}
//
// All set, show the window to the user --- note that if user
// does not close window, it will be closed automatically when
// this main window exits.
//
plot.Text = "** Total Crimes by Area **";
plot.Location = new System.Drawing.Point(20, 20); // top-left:
plot.Show();
}
//
// Plot total crimes by month:
//
private void plotTotalCrimesByMonthToolStripMenuItem_Click(object sender, EventArgs e)
{
//
// let's use a separate window to show the graph:
//
FormPlot plot = new FormPlot();
//
// Compute and plot total # of crimes by each area:
//
string filename = this.txtDBFile.Text;
BusinessTier.Business biztier;
biztier = new BusinessTier.Business(filename);
if (biztier.OpenCloseConnection() == false)
{
MessageBox.Show("error");
return;
}
Dictionary <int, long> stats = biztier.GetTotalsByMonth();
//
// We have the data, now let's setup and plot in the chart
// on the other form:
//
plot.chart1.Series.Clear();
// configure chart:
var series1 = new CHART.Series
{
Name = "Total Crimes",
Color = System.Drawing.Color.Blue,
IsVisibleInLegend = true,
ChartType = CHART.SeriesChartType.Line
};
plot.chart1.Series.Add(series1);
// now plot (x, y) coordinates:
string[] months = { "Jan", "Feb", "Mar", "Apr", "May",
"Jun", "Jul", "Aug", "Sep", "Oct","Nov", "Dec" };
foreach (int month in stats.Keys)
{
int x = month;
long y = stats[month];
var point = new CHART.DataPoint(x, y);
point.Label = months[x - 1];
series1.Points.Add(point);
}
//
// All set, show the window to the user --- note that if user
// does not close window, it will be closed automatically when
// this main window exits.
//
plot.Text = "** Total Crimes by Month **";
plot.Location = new System.Drawing.Point(40, 40); // top-left:
plot.Show();
}