C # using nplot plotting skills

C # nplot plotting skills

(19:14:05)

Tags: Cnplot drawing it

Category:Learning

/// Add the downloaded nplot. DLL to the toolbox, drag a control to the form, and declare using nplot;

 

/////// Print and save the drawn graph //////////
Private void
Print ()
{

Myplot. Print (true );
}
Private void save ()
{

Savefiledialog1.filter =
"Bitmap
(*. BMP) | *. BMP | JPEG (*. JPG) | *. JPG ;*. JPEG; *, jpe | GIF (*. GIF) | *. GIF | tiff (*. tiff) | *. tiff | PNG (*. PNG) | *. PNG | EXIF (*. EXIF) | *. EXIF |
All files (*. *) | *.*";

If
(Savefiledialog1.showdialog () = dialogresult. OK)
{

Try

{

Int H = myplot. Size. height;

Int W = myplot. Size. width;

Bitmap Bm = new Bitmap (W, H );

Bitmap bm1 = new Bitmap (W, H );

Rectangle RT = new rectangle (1, 1, W, H );

Savefiledialog1.restoredirectory = true;

Savefiledialog1.createprompt = true;

Myplot. drawtobitmap (BM, RT );

If (savefiledialog1.filterindex = 1)

{

BM. Save (savefiledialog1.filename );

}

If (savefiledialog1.filterindex = 2)

{

BM. Save (savefiledialog1.filename, imageformat. JPEG );

}

If (savefiledialog1.filterindex = 3)

{

BM. Save (savefiledialog1.filename, imageformat. GIF );

}

If (savefiledialog1.filterindex = 4)

{

BM. Save (savefiledialog1.filename, imageformat. Tiff );

}

If (savefiledialog1.filterindex = 5)

{

BM. Save (savefiledialog1.filename, imageformat. PNG );

}

If (savefiledialog1.filterindex = 6)

{

BM. Save (savefiledialog1.filename, imageformat. EXIF );

}

}

Catch (exception myex)

{

MessageBox. Show (myex. tostring (), "error prompt", messageboxbuttons. OK,
Messageboxicon. Warning );

}
}
}

// zoom in and out
private void changesize ()
{< br>
This. myplot. xaxis1.increaserange (0.1);
This. myplot. yaxis1.increaserange (0.1); // zoom out
This. myplot. xaxis1.increaserange (-0.1);
This. myplot. yaxis1.increaserange (-0.1); /// zoom in
This. myplot. refresh ();
}< br> //////// various plotting ////////

Private void plot ()
{

This. myplot. Clear (

//// // Tag //////////
String []
Strlabel = new string [Leng];
For (INT I =
0; I <Leng; I ++)

Strlabel [I] = convert. tostring (P [I]);

Labelpointplot labp = new labelpointplot ();

Labp. abscissadata = X;

Labp. ordinatedata = P;

Labp. textdata = strlabel;

Labp. labeltextposition = labelpointplot. labelpositions. above;
Labp. Marker
= New marker (Marker. markertype. Square, 8 );

Labp. Marker. Color = color. blue;

Myplot. Add (labp );

Myplot. Refresh ();

//// // Grid //////////

Grid mygrid = new grid ();

Mygrid. horizontalgridtype = grid. gridtype. Fine;

Mygrid. verticalgridtype = grid. gridtype. Fine;

This. myplot. Add (mygrid );
//// // Curve, Dual Axis //////////
//// // Horizontal line //////////

Horizontalline line = new horizontalline (1.2 );

Line. lengthscale = 0.89f;

This. myplot. Add (line,-10 );
//// // Vertical line ///////////
Verticalline
Line2 = new verticalline (1.2 );

Line2.lengthscale = 0.89f;

This. myplot. Add (line2 );
///// Normal line ///////////
Lineplot lp3
= New lineplot ();

Lp3.ordinatedata = ypw;

Lp3.abscissadata = X;
Lp3.pen =
New pen (color. Orange );

Lp3.pen. width = 2;
Lp3.label =
"Price ";

This. myplot. Add (lp3 );
Linearaxis
Linx = (linearaxis) myplot. xaxis1;

This. myplot. xaxis1 = Linx;
Linearaxis
Liny = (linearaxis) myplot. yaxis1;
Liny. Label =
"Price ";

Liny. axiscolor = color. Orange;

Liny. labelcolor = color. Orange;

Liny. ticktextcolor = color. Orange;

This. myplot. yaxis1 = Liny;
Lineplot lp4
= New lineplot ();

Lp4.ordinatedata = yuw;

Lp4.abscissadata = X;
Lp4.pen =
New pen (color. Green );

Lp4.pen. width = 2;
Lp4.label =
"Sales volume ";

This. myplot. Add (lp4, plotsurface2d. xaxisposition. Top,
Plotsurface2d. yaxisposition. Right );
Linearaxis
Liny2 = (linearaxis) myplot. yaxis2;

Liny2.worldmax = 1.2;

Liny2.worldmin = 0;
Liny2.label
= "Sales volume ";

Liny2.axiscolor = color. Green;

Liny2.labelcolor = color. Green;

Liny2.ticktextcolor = color. Green;

This. myplot. yaxis2 = liny2;
//// // Legend //////////

This. myplot. Legend = new legend ();

This. myplot. Legend. attachto (plotsurface2d. xaxisposition. Top,
Plotsurface2d. yaxisposition. Right );

This. myplot. Legend. numberitemshorizontally = 2;

This. myplot. Legend. horizontaledgeplacement =
Legend. Placement. inside;

This. myplot. Legend. verticaledgeplacement =
Legend. Placement. inside;

This. myplot. Legend. yoffset = 5;

This. myplot. Legend. xoffset =-5;
 
//// // Move the form //////////

This. myplot. addinteraction (New
Nplot. Windows. plotsurface2d. Interactions. horizontaldrag ());

This. myplot. addinteraction (New
Nplot. Windows. plotsurface2d. Interactions. verticaldrag ());

This. myplot. addinteraction (New
Nplot. Windows. plotsurface2d. Interactions. axisdrag (true ));
///// The column chart that has been accumulated ////////

Histogramplot hp3 = new histogramplot ();

Hp3.abscissadata = X;

Hp3.ordinatedata = ycc1;

Hp3.basewidth = 0.6f;

Hp3.rectanglebrush = rectanglebrushes. Vertical. faintbluefade;
Hp3.filled =
True;
Hp3.label =
"January ";

Histogramplot hp4 = new histogramplot ();

Hp4.abscissadata = X;

Hp4.ordinatedata = ycc2;
Hp4.label =
"February ";

Hp4.rectanglebrush =
Rectanglebrushes. Horizontal. faintgreenfade;
Hp4.filled =
True;

Hp4.stackedto (hp3 );

This. myplot. Add (hp3 );

This. myplot. Add (hp4 );
 
///// Level chart ////////

Stepplot SP1
= New stepplot ();

Sp1.ordinatedata = ych1;

Sp1.abscissadata = X;
Sp1.label =
"Height ";

Sp1.pen. width = 2;

Sp1.pen. Color = color. blue;

This. myplot. Add (SP1 );

//// Point chart ////////

Marker M =
New marker (Marker. markertype. cross1, 6, new pen (color. Blue,
2.0f ));
Pointplot PP
= New pointplot (m );

Pp. ordinatedata =;

Pp. abscissadata = new startstep (-500.0, 10.0 );
Pp. Label =
"Random ";

This. myplot. Add (PP );

//// Image ////////

Double [,] map = new double [19, 19];
For (INT I =
0; I <19; ++ I)
{

For (Int J = 0; j <19; ++ J)

{

Map [I, j] = convert. todouble (tokens [I * 19 + J], new

System. Globalization. cultureinfo ("En-us "));

}
}
Imageplot IP
= New imageplot (MAP,-9.0f, 1.0f,-9.0f, 1.0f );
IP. Gradient
= New lineargradient (color. Gold, color. Black );

This. myplot. smoothingmode =
System. Drawing. drawing2d. smoothingmode. None;

This. myplot. addinteraction (New
Nplot. Windows. plotsurface2d. Interactions. rubberbandselection ());

This. myplot. add (IP);

/// // candle chart //
int [] opens
= {1, 2, 1, 2, 1, 3 };
double []
closes = {2, 2, 2, 1, 2, 1 };
float [] lows
={ 0, 1, 1, 1, 0, 0};
system. int64 [] highs = {3, 2, 3, 3, 3, 4
};
int [] Times
={ 0, 1, 2, 3, 4, 5 };
candleplot
CP = new candleplot ();
CP. closedata
= closes;
CP. opendata
= opens;
CP. lowdata =
lows;
CP. highdata
= highs;
CP. abscissadata = times;
This. myplot. add (CP);
///// log coordinate axis //////

//
X axis
Logaxis
Logax = new logaxis (plotsurface. xaxis1 );

Logax. worldmin = xmin;

Logax. worldmax = xmax;

Logax. axiscolor = color. Red;

Logax. labelcolor = color. Red;

Logax. ticktextcolor = color. Red;

Logax. largetickstep = 1.0f;
Logax. Label
= "X ";

This. myplot. xaxis1 = logax;
// Y
Axis

Logaxis logay = new logaxis (plotsurface. yaxis1 );

Logay. worldmin = ymin;

Logay. worldmax = Ymax;

Logay. axiscolor = color. Red;

Logay. labelcolor = color. Red;

Logay. ticktextcolor = color. Red;

Logay. largetickstep = 1.0f;
Logay. Label
= "X ^ 2 ";

This. myplot. yaxis1 = logay;
//// Character axis ////////
Labelaxis
La1 = new labelaxis (this. myplot. xaxis1 );
String [] SX
= New string [15];
For (INT I =
0; I <15; I ++)
{

La1.addlabel (SX [I]. tostring (), I );
}
La1.label =
"Time ";

La1.ticktextfont = new font ("Courier New", 10 );

La1.ticksbetweentext = true;

This. myplot. xaxis1 = la1;
//// Area coloring ////////

Filledregion
Fr = new filledregion (New verticalline (1.2), new
Verticalline (2.4 ));
// The area between the two lines: filledregion Fr = new filledregion (lp1,
Lp2 );

Fr. Brush = brushes. blanchedalmond;

This. myplot. Add (FR );
///// Draw an arrow //////////
Arrowitem
= New arrowitem (New pointd (2, 4), 360-(30-90), "Arrow ");
A. headoffset
= 5;
A. arrowcolor
= Color. Red;
A. textcolor
= Color. Purple;

This. myplot. Add ();

This. myplot. Refresh ();
}