//---------------------------------------------------------------------------
/**
*
* @param xMin
* : Unterer Grenzwert
* @param xMax
* : Oberer Grenzwert
* @param steps
* : Anzahl der Zwischenwerte - 2
* @return
* Bestimmt die Werte einer Funktion
*/
public Kurve bestimmeKurve(double xMin, double xMax, int steps)
{
Kurve ret = null;
double xStep = 0.0;
werte.Clear();
// Hier wird ein Array uebergeben,
// weil sich in Java uebergebene
// Werte nicht aendern, nur Objektwerte (brauche nur den Ersten wert
Double[] ergebnis = new Double[1];
String[] errorText = new String[1];
xStep = ((xMax - xMin) / steps);
for (int i = 0; i <= steps; i++)
{
double x = xMin + xStep * i;
try
{
errorText[0] = "";
int error = doubleFktValue(x, ergebnis, errorText);
if ((error == 0) && (String.IsNullOrEmpty(errorText[0])))
{
// XYPoint xy = new XYPoint( Math.round( x * 1000.0 ) / 1000.0, Math.round( ergebnis[0] * 1000.0 ) / 1000.0 );
XYPoint xy = new XYPoint(x, ergebnis[0]);
xy.setstr("(" + xy.getX().ToString("0.##", CultureInfo.InvariantCulture)
+ "," + xy.getY().ToString("0.##", CultureInfo.InvariantCulture) + ")");
werte.Add(xy);
}
}
catch (Exception ex)
{
string str = ex.Message;
}
}
// neue Kurve aus den Werte erzeugen
ret = new Kurve(werte);
return(ret);
}
private void maleDiagramm()
{
if (!chkParameter.Checked)
{
string err = "";
curves.Clear();
if (chkAktiv1.Checked)
{
Parser ps = new Parser();
err = ps.parsen(curve1.getFktText());
if (err.Trim() == "")
{
ps.bestimmeKurve((double)numericUpDown1.Value,
(double)numericUpDown2.Value, curve1.getSteps());
curve1.setParser(ps);
curves.Add(curve1);
}
else
{
tbCurve1.Text += " - " + err;
chkAktiv1.Checked = false;
}
}
if (chkAktiv2.Checked)
{
Parser ps = new Parser();
err = ps.parsen(curve2.getFktText());
if (err.Trim() == "")
{
ps.bestimmeKurve((double)numericUpDown1.Value,
(double)numericUpDown2.Value, curve2.getSteps());
curve2.setParser(ps);
curves.Add(curve2);
}
else
{
tbCurve2.Text += " - " + err;
chkAktiv2.Checked = false;
}
}
if (chkAktiv3.Checked)
{
Parser ps = new Parser();
err = ps.parsen(curve3.getFktText());
if (err.Trim() == "")
{
ps.bestimmeKurve((double)numericUpDown1.Value,
(double)numericUpDown2.Value, curve3.getSteps());
curve3.setParser(ps);
curves.Add(curve3);
}
else
{
tbCurve3.Text += " - " + err;
chkAktiv3.Checked = false;
}
}
}
else
{
string err = "";
curves.Clear();
Parser ps1 = new Parser();
string str = curve1.getFktText();
err = ps1.parsen(curve1.getFktText());
if (err.Trim() != "")
{
tbCurve1.Text = err;
return;
}
//curve1.setParser(ps1);
Kurve curvea = ps1.bestimmeKurve(diag.getxMin(), diag.getxMax(), curve1.getSteps());
err = "";
Parser ps2 = new Parser();
err = ps2.parsen(curve2.getFktText());
if (err.Trim() != "")
{
tbCurve2.Text = err;
return;
}
//curve2.setParser(ps2);
Kurve curveb = ps2.bestimmeKurve(diag.getxMin(), diag.getxMax(), curve2.getSteps());
List <XYPoint> lx1 = curvea.getWerte();
List <XYPoint> lx2 = curveb.getWerte();
Kurve ka = new Kurve();
List <XYPoint> pk = new List <XYPoint>();
pk.Clear();
for (int i = 0; i < lx1.Count; i++)
{
XYPoint pxy = new XYPoint(lx1[i].getY(), lx2[i].getY());
pxy.setstr("(" + pxy.getX().ToString("0.##", CultureInfo.InvariantCulture) +
"," + pxy.getY().ToString("0.##", CultureInfo.InvariantCulture) + ")");
pk.Add(pxy);
}
ka.setParser(null);
ka.setKurvenart(Punktform.DICKER_PUNKT);
ka.setKurvenfarbe(Color.Yellow);
ka.setXEinheit("");
ka.setYEinheit("");
ka.setFktText("");
ka.setWerte(pk);
curves.Add(ka);
}
this.Refresh();
}
private void btnPostleitzahlen_Click(object sender, EventArgs e)
{
grdView.Rows.Clear();
diaght = null;
diaglg = null;
panRight.Controls.Clear();
List <XYPoint> werte = null;
DiagParam mp = new DiagParam("", "");
Kurve curve4 = new Kurve();
// SQLiteConnection.CreateFile("MyDatabase.sqlite");
SQLiteConnection m_dbConnection;
SQLiteDataReader reader = null;
m_dbConnection = new SQLiteConnection("Data Source=meinedatenbank.db");
m_dbConnection.Open();
String xf = "select Breite, Laenge, ort from geos order by breite";
SQLiteCommand command = new SQLiteCommand(xf, m_dbConnection);
try
{
// command.ExecuteNonQuery();
reader = command.ExecuteReader();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
String[] columnNames = new String[2];
columnNames[0] = "Breite";
columnNames[1] = "Laenge";
//werte = curve.getWerte();
//if (werte != null)
// werte.Clear();
//else
werte = new List <XYPoint>();
while (reader.Read())
{
XYPoint p = new XYPoint();
p.setstr(reader.GetString(2));
p.setX(reader.GetDouble(1));
p.setY(reader.GetDouble(0));
if (!(((p.getX() < 1) || (p.getX() > 40) || (p.getY() < 40) ||
(p.getY() > 60))))
{
werte.Add(p);
/*
* int nRow = grdView.Rows.Add();
* DataGridViewRow grdRow = grdView.Rows[nRow];
* DataGridViewCellCollection grdCell = grdRow.Cells;
* grdCell[0].Value = nRow.ToString();
* grdCell[1].Value = p.getstr();
* grdCell[2].Value = p.getX();
* grdCell[3].Value = p.getY();
*/
}
}
curve4.setParser(null);
curve4.setKurvenart(Punktform.RECHTECK_HOHL);
curve4.setKurvenfarbe(Color.Red);
curve4.setXEinheit("");
curve4.setYEinheit("");
curve4.setFktText("");
curve4.setWerte(werte);
curve4.bestimmeMinMaxWerte();
mp.setcRahmenfarbe(Color.Black);
/*
* if (radNurDatum.isSelected())
* curve4.setDatumart(Datumart.NurDatum);
* else if (radNurZeit.isSelected())
* curve4.setDatumart(Datumart.NurZeit);
* else if (radZeitDatum.isSelected())
* curve4.setDatumart(Datumart.DatumUndZeit);
*/
curves = new List <Kurve>();
curves.Add(curve4);
diag = new Diagramm(5, 16, 47, 56, curves, mp);
diag.ShowSpecialValuesString = "dorf";
diag.ShowSpecialValuesColor = Color.Blue;
diag.ShowSpecialValues = true;
//pan.Refresh();
double dxmin = curve4.getxMin();
double dxmax = curve4.getxMax();
double dymin = curve4.getyMin();
double dymax = curve4.getyMin();
diag.setxRaster(true);
diag.setyRaster(true);
// curve4.bestimmeMinMaxWerte();
diag.setxMin(curve4.getxMin());
diag.setxMax(curve4.getxMax());
diag.setyMin(curve4.getyMin());
diag.setyMax(curve4.getyMax());
diag.BackColor = Color.LightGreen;
diag.HintColor = Color.Black;
diag.WithShowString = true;
//diag.Refresh();
panRight.Controls.Add(diag);
}
private void btnLaendergrenzensqlite_Click(object sender, EventArgs e)
{
grdView.Rows.Clear();
diag = null;
diaglg = null;
panRight.Controls.Clear();
List <XYPoint> werte = null;
DiagParam mp = new DiagParam("", "");
mp.setcRahmenfarbe(Color.Black);
Kurve curve4 = new Kurve();
// SQLiteConnection.CreateFile("MyDatabase.sqlite");
if (dbKind == DatabaseKind.dbSqlite)
{
SQLiteConnection m_dbConnection;
SQLiteDataReader reader = null;
m_dbConnection = new SQLiteConnection("Data Source=SqliteLaendergrenzen.db");
m_dbConnection.Open();
String xf = "select idx,breite,laenge from laendergrenzen order by breite";
SQLiteCommand command = new SQLiteCommand(xf, m_dbConnection);
try
{
reader = command.ExecuteReader();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
String[] columnNames = new String[2];
columnNames[0] = "Breite";
columnNames[1] = "Laenge";
werte = new List <XYPoint>();
while (reader.Read())
{
XYPoint p = new XYPoint();
int sname = reader.GetInt32(0);
p.setstr(sname.ToString());
double dx = reader.GetDouble(2);
double dy = reader.GetDouble(1);
/*
* string sx = reader.GetString(2);
* string sy = reader.GetString(1);
* sx.Replace(',', '.');
* sy.Replace(',', '.');
* double dx = Convert.ToDouble(sx);
* double dy = Convert.ToDouble(sy);
*/
p.setX(dx);
p.setY(dy);
if (!(((p.getX() < 1) || (p.getX() > 40) || (p.getY() < 40) ||
(p.getY() > 60))))
{
werte.Add(p);
int nRow = grdView.Rows.Add();
DataGridViewRow grdRow = grdView.Rows[nRow];
DataGridViewCellCollection grdCell = grdRow.Cells;
grdCell[0].Value = nRow.ToString();
grdCell[1].Value = sname;
grdCell[2].Value = dx.ToString();
grdCell[3].Value = dy.ToString();
}
}
reader.Close();
}
else if (dbKind == DatabaseKind.dbAccess)
{
OleDbConnection con = new OleDbConnection();
OleDbCommand cmd = new OleDbCommand();
OleDbDataReader reader;
con.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
"Data Source=Haltestellen.accdb";
cmd.Connection = con;
cmd.CommandText = "SELECT name,breite,laenge FROM D_Bahnhof_2017_09";
try
{
con.Open();
reader = cmd.ExecuteReader();
werte = new List <XYPoint>();
while (reader.Read())
{
XYPoint p = new XYPoint();
string sname = reader.GetString(0);
p.setstr(sname);
double dx = reader.GetDouble(2);
double dy = reader.GetDouble(1);
//sx.Replace(',', '.');
//sy.Replace(',', '.');
//double dx = Convert.ToDouble(sx);
//double dy = Convert.ToDouble(sy);
p.setX(dx);
p.setY(dy);
if (!(((p.getX() < 1) || (p.getX() > 40) || (p.getY() < 40) ||
(p.getY() > 60))))
{
werte.Add(p);
int nRow = grdView.Rows.Add();
DataGridViewRow grdRow = grdView.Rows[nRow];
DataGridViewCellCollection grdCell = grdRow.Cells;
grdCell[0].Value = nRow.ToString();
grdCell[1].Value = sname;
grdCell[2].Value = dx.ToString();
grdCell[3].Value = dy.ToString();;
}
}
reader.Close();
con.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
curve4.setParser(null);
curve4.setKurvenart(Punktform.PUNKT);
curve4.setKurvenfarbe(Color.Black);
curve4.setXEinheit("Längengrade");
curve4.setYEinheit("Breitengrade");
curve4.setFktText("");
curve4.setWerte(werte);
curve4.bestimmeMinMaxWerte();
/*
* if (radNurDatum.isSelected())
* curve4.setDatumart(Datumart.NurDatum);
* else if (radNurZeit.isSelected())
* curve4.setDatumart(Datumart.NurZeit);
* else if (radZeitDatum.isSelected())
* curve4.setDatumart(Datumart.DatumUndZeit);
*/
curvesht = new List <Kurve>();
curvesht.Add(curve4);
diaght = new Diagramm(5, 16, 47, 56, curvesht, mp);
/*
* diaght.ShowSpecialValuesString = "Hbf";
* diaght.ShowSpecialValuesColor = Color.Blue;
* diaght.ShowSpecialValues = true;
*/
//pan.Refresh();
double dxmin = curve4.getxMin();
double dxmax = curve4.getxMax();
double dymin = curve4.getyMin();
double dymax = curve4.getyMax();
diaght.setxRaster(true);
diaght.setyRaster(true);
//diaght.set
curve4.bestimmeMinMaxWerte();
/*
* diaght.setxMin(0.0);
* diaght.setxMax(20);
* diaght.setyMin(40);
* diaght.setyMax(70);
*/
diaght.setxMin(curve4.getxMin());
diaght.setxMax(curve4.getxMax());
diaght.setyMin(curve4.getyMin());
diaght.setyMax(curve4.getyMax());
diaght.BackColor = Color.LightGreen;
diaght.HintColor = Color.Black;
diaght.WithShowString = false;
//diag.Refresh();
panRight.Controls.Add(diaght);
}
