public void plot_new_graph()
{
/*
steps:
* 1.set x and y axis in graph
* 2.plot red lines
* 3.plot green lines
* 4.plot wet bult curve red line.
* 5.
*
*/
countIndexForChart = 1;
indexI = 0;//resetting the index value....
//lets reset the chart1 value.
//chart1 = null;
map_loaded = 1;
foreach (var series in chart1.Series)
{
series.Points.Clear();
}
//first we need variables to plot in the chart....
chart1.Series["Series1"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Spline;
chart1.Series["Series1"].Color = Color.Red;
chart1.Series["Series2"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Series2"].Color = Color.Blue;
chart1.Series["Series3"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Series3"].Color = Color.Blue;
chart1.Series["Series4"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Series4"].Color = Color.Blue;
chart1.Series["Series5"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Series5"].Color = Color.Blue;
chart1.Series["Series6"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Series6"].Color = Color.Blue;
chart1.Series["Series7"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Series7"].Color = Color.Blue;
//setting the boundary xaxis =0-30 and yaxis = 0-50..
chart1.ChartAreas[0].AxisX.Minimum = 0;
chart1.ChartAreas[0].AxisX.Maximum = 50;
chart1.ChartAreas[0].AxisY.Minimum = 0;
chart1.ChartAreas[0].AxisY.Maximum = 30;
chart1.ChartAreas[0].AxisY.Interval = 5;
chart1.ChartAreas[0].AxisX.Interval = 5;
//we need to plot the chart so lets build an array where we can hold the data
//form text file..
//now lets read from the text file...
string line1;
//now lets test the value..
string s = "";
for (int i = 0; i < t.Count; i++)
{
s += t[i].ToString() + "," + pg[i].ToString() + "\n";
}
// MessageBox.Show(""+s);
//now we have the data lets do some ploting...
//now we have the data lets do some ploting...
//===========NOTE WE HAVE PRESSURE IN Pa but this chart users it in terms of kpa===//
/*
Later we need to user it in terms of HPa (heteropascal) in formula so we need conversion
*/
double pressureConverted =form1Object.AirPressureFromDB * 0.001;//now in terms of kpa
// MessageBox.Show("pressure(kpa) = " + pressureConverted);
lb_pressure_display.Text = "Pressure : " + Math.Round(pressureConverted, 2) + " KPa";//in terms of kpa
double patm = pressureConverted;//101.235;//constant..we will make it take as input later... in
//double patm = 101.235;//constant..we will make it take as input later...
double rair = 0.287;//rideburg constant i guess
//now we need array list to hold the values form calculation formula..
ArrayList wg = new ArrayList();
//now we need equation to calculate..
//here pg_value contains pg which is in arraylist ..
//double pg_value=0;
double wg_calc = 0; // = 622 * a_value / (patm - pg_value);
//now calculation begins..
double x = 0;
for (int i = 0; i < t.Count; i++)
{
double pg_value = Double.Parse(pg[i].ToString());
wg_calc = 622 * pg_value / (patm - pg_value);
x = double.Parse(t[i].ToString());
double y = wg_calc;
chart1.Series["Series1"].Points.AddXY(x, y);
}//close of for
chart1.Series["Series1"].Points[16].Label = "Wet Bulb Temp";
chart1.Series["Series1"].Points[16].LabelBackColor = Color.Red;
//chart1.Legends["wet_bulb_temp"].DockedToChartArea = "jjj";
//now lets plot the blue curves...
//WE NEED two for loop to plot values for 10% to 40%
double phi = 0.1;
//int index = 0;
double x2 = 0;
int ival = 2;
for (phi = 0.1; phi <= 0.4; phi += 0.1)
{
// chart1.Series["Series1"].Color = Color.Blue;
string s1 = "";
for (int i = 0; i < t.Count; i++)
{
double pg_value = Double.Parse(pg[i].ToString());
wg_calc = (622 * phi * pg_value / (patm - phi * pg_value));
//double x = Double.Parse(t[i].ToString());
double y = wg_calc;
x2 = double.Parse(t[i].ToString());
chart1.Series["Series" + ival].Points.AddXY(x2, y);
s1 += x2 + "," + y + ";";
//index++;
}//close of for
//MessageBox.Show(s1);
ival++;
//this is to print 10%,20,30,40%
int c = int.Parse((phi * 10 + 1).ToString());
//chart1.Series["Series" + c].Points[45].Label = phi * 100 + "%";
//chart1.Series["Series"+c].Points[46].LabelBackColor = Color.Blue;
if (phi >= 0.30 && phi < 0.4)
{
chart1.Series["Series" + c].Points[45].Label = phi * 100 + "%";
chart1.Series["Series" + c].Points[42].Label = "Relative Humidity";
// MessageBox.Show("Hello");
}
else
{
chart1.Series["Series" + c].Points[45].Label = phi * 100 + "%";
}
}
//for plotting 60%-80%
int ival2 = 6;
for (phi = 0.6; phi <= 0.8; phi += 0.2)
{
// chart1.Series["Series1"].Color = Color.Blue;
string s1 = "";
for (int i = 0; i < t.Count; i++)
{
double pg_value = Double.Parse(pg[i].ToString());
wg_calc = (622 * phi * pg_value / (patm - phi * pg_value));
//double x = Double.Parse(t[i].ToString());
double y = wg_calc;
x2 = double.Parse(t[i].ToString());
chart1.Series["Series" + ival2].Points.AddXY(x2, y);
s1 += x2 + "," + y + ";";
//index++;
}//close of for
//MessageBox.Show(s1);
ival2++;
//this is to print 60% and 80%
int c = 0;
if (phi == 0.6)
{
c = 6;
}
else
{
c = 7;
}
chart1.Series["Series" + c].Points[33].Label = phi * 100 + "%";
}
/*Now towards next part ie plotting the red lines with 30 deg angle..*/
//% specific volume and enthalpy/wet-bulb-temp
ArrayList t1 = new ArrayList();//this stores the temperature(deg.cel)
ArrayList pg1 = new ArrayList();//this stores the saturated vapour pressure(kpa).
//now lets read from the text file...
string line2;
//--Creating second file...
for (int i = 0; i < t.Count; i++)
{
if (double.Parse(t[i].ToString()) == 5.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
else if (double.Parse(t[i].ToString()) == 10.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
else if (double.Parse(t[i].ToString()) == 15.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
else if (double.Parse(t[i].ToString()) == 20.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
else if (double.Parse(t[i].ToString()) == 25.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
else if (double.Parse(t[i].ToString()) == 30.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
else if (double.Parse(t[i].ToString()) == 35.00)
{
t1.Add(t[i]);
pg1.Add(pg[i]);
}
}//--CLOSE OF THE FOR LOOP
//this part is finished... now towards calcuation...
ArrayList wg1 = new ArrayList();//saturation specific humidity...
for (int i = 0; i < pg1.Count; i++)
{
double tempval = double.Parse(pg1[i].ToString());
double tempwg1 = 622 * tempval / (patm - tempval);
wg1.Add(tempwg1);
}
//specific volume of dry air (cubic m/kg dry air) (green)
ArrayList vol = new ArrayList();//saturation specific humidity...
for (int i = 0; i < pg1.Count; i++)
{
double temppg1 = double.Parse(pg1[i].ToString());
double tempt1 = double.Parse(t1[i].ToString());
double temp = rair * (tempt1 + 273) / (patm - temppg1);
vol.Add(temp);
}
//% air temperature at zero humidity
ArrayList tv0 = new ArrayList();//saturation specific humidity...
for (int i = 0; i < pg1.Count; i++)
{
double tempvol = double.Parse(vol[i].ToString());
double temp = patm * tempvol / rair - 273;
tv0.Add(temp);
}
//now lets plot..
double xtemp = 0.79;
for (int i = 0; i < 7; i++)
{
//chart1.Series.Add("Line"+i);//this series is added statically from chart control so no need to add dynamically
chart1.Series["Line" + i].Color = Color.Green;
chart1.Series["Line" + i].Points.Add(new DataPoint(double.Parse(t1[i].ToString()), double.Parse(wg1[i].ToString())));
chart1.Series["Line" + i].Points.Add(new DataPoint(double.Parse(tv0[i].ToString()), 0));
chart1.Series["Line" + i].ChartType = SeriesChartType.Line;
chart1.Series["Line" + i].Points[1].Label = xtemp + "";
xtemp = xtemp + 0.02;
}
//now towards the plotting of next part....
//% wet bulb temperature and enthalpy lines (red)
//arraylist for storing h
ArrayList h = new ArrayList();//saturation specific humidity...
for (int i = 0; i < pg1.Count; i++)
{
double tempval1 = double.Parse(t1[i].ToString());
double tempval2 = double.Parse(wg1[i].ToString());
double temp = tempval1 + 2.5 * tempval2;
h.Add(temp);
}
//temperature at zero humidity..
ArrayList t0 = new ArrayList();
t0 = h;
int t_plot_value = 5;
for (int i = 0; i < 6; i++)
{
//for plotting different lines
// chart1.Series.Add("Line_r" + i);//this series is added statically from chart control so no need to add dynamically
chart1.Series["Line_r" + i].Color = Color.Red;
chart1.Series["Line_r" + i].Points.Add(new DataPoint(double.Parse(t1[i].ToString()), double.Parse(wg1[i].ToString())));
chart1.Series["Line_r" + i].Points.Add(new DataPoint(double.Parse(t0[i].ToString()), 0));
chart1.Series["Line_r" + i].ChartType = SeriesChartType.Line;
//ploting the values 5,10deg c...
chart1.Series["Line_r" + i].Points[0].Label = t_plot_value + "deg c";
t_plot_value += 5;
}
//toward next part...
// enthalpy axis and enthalpy lines (black)
//testing values of h ,t1,t0
string hv = " ";
string t0v = "";
string t1v = "";
for (int i = 0; i < h.Count; i++)
{
hv += " " + h[i] + "; ";
t0v += " " + t0[i] + ";";
t1v += " " + t1[i] + ";";
}
//MessageBox.Show("h= " + hv + " \n t0 =" + t0v + " \n t1 = " + t1v);
int t_plot1 = 10;
for (int hval = 10; hval <= 110; hval += 10)
{
//% temperature on enthalpy axis
double t1_temp = (hval - 12.5) / 3.5;//this is t1;
double w1_temp = t1_temp + 5;//% specific humidity on enthalpy axis
int t0val = hval;//t0
//chart1.Series.Add("Line_b" + hval);//this series is added statically from chart control so no need to add dynamically
chart1.Series["Line_b" + hval].Color = Color.Black;
chart1.Series["Line_b" + hval].Points.Add(new DataPoint(t0val, 0));
chart1.Series["Line_b" + hval].Points.Add(new DataPoint(t1_temp, w1_temp));
chart1.Series["Line_b" + hval].ChartType = SeriesChartType.Line;
chart1.Series["Line_b" + hval].Points[1].Label = t_plot1 + "";
t_plot1 += 10;
if (t_plot1 == 60)
{
chart1.Series["Line_b" + hval].Points[1].Label = WFA_psychometric_chart.Properties.Resources.Enthalpy_kj_kg_dry_air;
}
}
//now plotting the black straight line...
//chart1.Series.Add("Line_b_straight");//this series is added statically from chart control so no need to add dynamically
chart1.Series["Line_b_straight"].Color = Color.Black;
chart1.Series["Line_b_straight"].Points.Add(new DataPoint(0, 5));
chart1.Series["Line_b_straight"].Points.Add(new DataPoint(25, 30));
chart1.Series["Line_b_straight"].ChartType = SeriesChartType.Line;
//chart1.Series["Line_b_straight"].Points[0].Label = "Enthalpy kj/kg dry air";
}
