public override void DrawTo( Canvas canvas, IDataSheet data ) { if( !Setting.Show ) { return; } Graphics g = Graphics.FromImage( canvas.Bitmap ); Pen p = new Pen( Color.Black ); for( int i=0; i<data.Columns; i++ ) { for( int j=0; j<data.Rows; j++ ) { Point pt = canvas.AsBitmapCoord( data.GetX( i ), data.GetY( j ) ); g.DrawRectangle( p, pt.X - 1, pt.Y -1, 2, 2 ); } } }
/// <summary> /// ビットマップにベクトル図を描画します。 /// </summary> /// <param name="bmp">描画先の System.Drawing.Bitmap</param> /// <param name="data">元となる 2 次元配列データ</param> /// <exception cref="Visualization.VectorDataNotFoundException">ベクトルデータがないときに投げられます。</exception> public override void DrawTo( Canvas canvas, IDataSheet data ) { Bitmap bmp = canvas.Bitmap; if( !this.Setting.Show ) { return; } if( !data.HasVectorData ) { throw new VectorDataNotFoundException( "ベクトルデータがありません" ); } if( !this.Setting.IsLengthFixed ) { this.Setting.ReferredLength = data.MaxVector; } Graphics g = Graphics.FromImage( bmp ); Pen p = new Pen( Setting.LineColor ); Brush b = new SolidBrush( Setting.InnerColor ); ArrowDrawer d = new ArrowDrawer( g, this.Setting, data.MaxVector, data.MinVector ); int start = (this.Setting.Interval > 1) ? this.Setting.Offset : 0; int step = this.Setting.Interval; HashSet<int> iSet = new HashSet<int>(); HashSet<int> jSet = new HashSet<int>(); if( this.Setting.FixedBound ) { iSet.Add( 0 ); jSet.Add( 0 ); } for( int i=start; i<data.Columns; i += step ) { iSet.Add( i ); } for( int j=start; j<data.Rows; j += step ) { jSet.Add( j ); } if( this.Setting.FixedBound ) { iSet.Add( data.Columns-1 ); jSet.Add( data.Rows-1 ); } foreach( var i in iSet ) { foreach( var j in jSet ) { Point pt = canvas.AsBitmapCoord( data.GetX( i ), data.GetY( j ) ); double u = data.GetU( i, j ); double v = data.GetV( i, j ); double len = Math.Sqrt( u*u + v*v ); d.DrawArrow( pt, u, v ); } } }
public override void DrawTo( Canvas canvas, IDataSheet data ) { Bitmap bmp = canvas.Bitmap; if( !this.Setting.Show ) { return; } if( !this.Setting.IsLengthFixed ) { double absMax = (Math.Abs( data.MaxZ ) > Math.Abs( data.MinZ )) ? Math.Abs( data.MaxZ ) : Math.Abs( data.MinZ ); if( absMax == 0 ) absMax = 1; this.Setting.ReferredLength = absMax; } Graphics g = Graphics.FromImage( bmp ); SolidBrush plotBlush = new SolidBrush( Setting.PlotColor ); Pen plotPen = new Pen( Setting.PlotFrameColor ); Pen linePen = new Pen( Setting.LineColor, Setting.LineWidth ); Pen axisPen = new Pen( Setting.AxisColor, Setting.AxisWidth ); Point lefttop = canvas.AsBitmapCoord( 0, 1 ); Point rightbottom = canvas.AsBitmapCoord( 1, 0 ); g.DrawRectangle( axisPen, lefttop.X, lefttop.Y, canvas.DrawingWidth, canvas.DrawingHeight ); if( Setting.ReferenceI >= data.Columns ) Setting.ReferenceI = data.Columns - 1; if( Setting.ReferenceJ >= data.Rows ) Setting.ReferenceJ = data.Rows - 1; if( this.Setting.Horizontal ) { double refY = data.GetY( this.Setting.ReferenceJ ); g.DrawLine( axisPen, canvas.AsBitmapCoord( 0, refY ), canvas.AsBitmapCoord( 1, refY ) ); List<Point> pt = new List<Point>(); pt.Add( canvas.AsBitmapCoord( 0, refY ) ); Func<int, int, double> value = (Setting.VectorMode) ? new Func<int, int, double>( data.GetV ) : new Func<int, int, double>( data.GetZ ); for( int i=0; i<data.Columns; i++ ) { int h = (int)(value( i, Setting.ReferenceJ )/this.Setting.ReferredLength*Setting.Scale + 0.5); Point gridPt = canvas.AsBitmapCoord( data.GetX( i ), refY ); pt.Add( new Point( gridPt.X, gridPt.Y-h ) ); } pt.Add( canvas.AsBitmapCoord( 1, refY ) ); g.DrawLines( linePen, pt.ToArray() ); int s = Setting.PlotSize; for( int i=1; i<pt.Count-1; i++ ) { g.FillEllipse( plotBlush, pt[i].X - s/2, pt[i].Y - s/2, s, s ); g.DrawEllipse( plotPen, pt[i].X - s/2, pt[i].Y - s/2, s, s ); } } if( this.Setting.Vertical ) { double refX = data.GetX( this.Setting.ReferenceI ); g.DrawLine( axisPen, canvas.AsBitmapCoord( refX, 0 ), canvas.AsBitmapCoord( refX, 1 ) ); List<Point> pt = new List<Point>(); pt.Add( canvas.AsBitmapCoord( refX, 0 ) ); Func<int, int, double> value = (Setting.VectorMode) ? new Func<int, int, double>( data.GetU ) : new Func<int, int, double>( data.GetZ ); for( int j=0; j<data.Rows; j++ ) { int h = (int)(value( Setting.ReferenceI, j )/this.Setting.ReferredLength*Setting.Scale + 0.5); Point gridPt = canvas.AsBitmapCoord( refX, data.GetY( j ) ); pt.Add( new Point( gridPt.X+h, gridPt.Y ) ); } pt.Add( canvas.AsBitmapCoord( refX, 1 ) ); g.DrawLines( linePen, pt.ToArray() ); int s = Setting.PlotSize; for( int i=1; i<pt.Count-1; i++ ) { g.FillEllipse( plotBlush, pt[i].X - s/2, pt[i].Y - s/2, s, s ); g.DrawEllipse( plotPen, pt[i].X - s/2, pt[i].Y - s/2, s, s ); } } }