コード例 #1
0
ファイル: ZeeGraphWeb.cs プロジェクト: GunioRobot/zeegraph
        /// <summary>
        /// Renders the demo graph with one call.
        /// </summary>
        /// <param name="g">A <see cref="Graphics"/> object for which the drawing will be done.</param>
        /// <param name="pane">A reference to the <see cref="GraphPane"/></param>
        public static void RenderDemo( Graphics g, GraphPane pane )
        {
            // Set the titles and axis labels
            pane.Title.Text = "Wacky Widget Company\nProduction Report";
            pane.XAxis.Title.Text = "Time, Days\n(Since Plant Construction Startup)";
            pane.YAxis.Title.Text = "Widget Production\n(units/hour)";

            LineItem curve;

            // Set up curve "Larry"
            double[] x = { 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000 };
            double[] y = { 20, 10, 50, 25, 35, 75, 90, 40, 33, 50 };
            // Use green, with circle symbols
            curve = pane.AddCurve( "Larry", x, y, Color.Green, SymbolType.Circle );
            curve.Line.Width = 1.5F;
            // Fill the area under the curve with a white-green gradient
            curve.Line.Fill = new Fill( Color.White, Color.FromArgb( 60, 190, 50 ), 90F );
            // Make it a smooth line
            curve.Line.IsSmooth = true;
            curve.Line.SmoothTension = 0.6F;
            // Fill the symbols with white
            curve.Symbol.Fill = new Fill( Color.White );
            curve.Symbol.Size = 10;

            // Second curve is "moe"
            double[] x3 = { 150, 250, 400, 520, 780, 940 };
            double[] y3 = { 5.2, 49.0, 33.8, 88.57, 99.9, 36.8 };
            // Use a red color with triangle symbols
            curve = pane.AddCurve( "Moe", x3, y3, Color.FromArgb( 200, 55, 135 ), SymbolType.Triangle );
            curve.Line.Width = 1.5F;
            // Fill the area under the curve with semi-transparent pink using the alpha value
            curve.Line.Fill = new Fill( Color.White, Color.FromArgb( 160, 230, 145, 205 ), 90F );
            // Fill the symbols with white
            curve.Symbol.Fill = new Fill( Color.White );
            curve.Symbol.Size = 10;

            // Third Curve is a bar, called "Wheezy"
            double[] x4 = { 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000 };
            double[] y4 = { 30, 45, 53, 60, 75, 83, 84, 79, 71, 57 };
            BarItem bar = pane.AddBar( "Wheezy", x4, y4, Color.SteelBlue );
            // Fill the bars with a RosyBrown-White-RosyBrown gradient
            bar.Bar.Fill = new Fill( Color.RosyBrown, Color.White, Color.RosyBrown );

            // Fourth curve is a bar
            double[] x2 = { 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000 };
            double[] y2 = { 10, 15, 17, 20, 25, 27, 29, 26, 24, 18 };
            bar = pane.AddBar( "Curly", x2, y2, Color.RoyalBlue );
            // Fill the bars with a RoyalBlue-White-RoyalBlue gradient
            bar.Bar.Fill = new Fill( Color.RoyalBlue, Color.White, Color.RoyalBlue );

            // Fill the pane background with a gradient
            pane.Fill = new Fill( Color.WhiteSmoke, Color.Lavender, 0F );
            // Fill the axis background with a gradient
            pane.Chart.Fill = new Fill( Color.FromArgb( 255, 255, 245 ),
                Color.FromArgb( 255, 255, 190 ), 90F );

            // Make each cluster 100 user scale units wide.  This is needed because the X Axis
            // type is Linear rather than Text or Ordinal
            pane.BarSettings.ClusterScaleWidth = 100;
            // Bars are stacked
            pane.BarSettings.Type = BarType.Stack;

            // Enable the X and Y axis grids
            pane.XAxis.MajorGrid.IsVisible = true;
            pane.YAxis.MajorGrid.IsVisible = true;

            // Manually set the scale maximums according to user preference
            pane.XAxis.Scale.Max = 1200;
            pane.YAxis.Scale.Max = 120;

            // Add a text item to decorate the graph
            TextObj text = new TextObj( "First Prod\n21-Oct-93", 175F, 80.0F );
            // Align the text such that the Bottom-Center is at (175, 80) in user scale coordinates
            text.Location.AlignH = AlignH.Center;
            text.Location.AlignV = AlignV.Bottom;
            text.FontSpec.Fill = new Fill( Color.White, Color.PowderBlue, 45F );
            text.FontSpec.StringAlignment = StringAlignment.Near;
            pane.GraphObjList.Add( text );

            // Add an arrow pointer for the above text item
            ArrowObj arrow = new ArrowObj( Color.Black, 12F, 175F, 77F, 100F, 45F );
            arrow.Location.CoordinateFrame = CoordType.AxisXYScale;
            pane.GraphObjList.Add( arrow );

            // Add a another text item to to point out a graph feature
            text = new TextObj( "Upgrade", 700F, 50.0F );
            // rotate the text 90 degrees
            text.FontSpec.Angle = 90;
            // Align the text such that the Right-Center is at (700, 50) in user scale coordinates
            text.Location.AlignH = AlignH.Right;
            text.Location.AlignV = AlignV.Center;
            // Disable the border and background fill options for the text
            text.FontSpec.Fill.IsVisible = false;
            text.FontSpec.Border.IsVisible = false;
            pane.GraphObjList.Add( text );

            // Add an arrow pointer for the above text item
            arrow = new ArrowObj( Color.Black, 15, 700, 53, 700, 80 );
            arrow.Location.CoordinateFrame = CoordType.AxisXYScale;
            arrow.Line.Width = 2.0F;
            pane.GraphObjList.Add( arrow );

            // Add a text "Confidential" stamp to the graph
            text = new TextObj( "Confidential", 0.85F, -0.03F );
            // use ChartFraction coordinates so the text is placed relative to the ChartRect
            text.Location.CoordinateFrame = CoordType.ChartFraction;
            // rotate the text 15 degrees
            text.FontSpec.Angle = 15.0F;
            // Text will be red, bold, and 16 point
            text.FontSpec.FontColor = Color.Red;
            text.FontSpec.IsBold = true;
            text.FontSpec.Size = 16;
            // Disable the border and background fill options for the text
            text.FontSpec.Border.IsVisible = false;
            text.FontSpec.Fill.IsVisible = false;
            // Align the text such the the Left-Bottom corner is at the specified coordinates
            text.Location.AlignH = AlignH.Left;
            text.Location.AlignV = AlignV.Bottom;
            pane.GraphObjList.Add( text );

            // Add a BoxObj to show a colored band behind the graph data
            BoxObj box = new BoxObj( 0, 110, 1200, 10,
                Color.Empty, Color.FromArgb( 225, 245, 225 ) );
            box.Location.CoordinateFrame = CoordType.AxisXYScale;
            // Align the left-top of the box to (0, 110)
            box.Location.AlignH = AlignH.Left;
            box.Location.AlignV = AlignV.Top;
            // place the box behind the axis items, so the grid is drawn on top of it
            box.ZOrder = ZOrder.D_BehindAxis;
            pane.GraphObjList.Add( box );

            // Add some text inside the above box to indicate "Peak Range"
            TextObj myText = new TextObj( "Peak Range", 1170, 105 );
            myText.Location.CoordinateFrame = CoordType.AxisXYScale;
            myText.Location.AlignH = AlignH.Right;
            myText.Location.AlignV = AlignV.Center;
            myText.FontSpec.IsItalic = true;
            myText.FontSpec.IsBold = false;
            myText.FontSpec.Fill.IsVisible = false;
            myText.FontSpec.Border.IsVisible = false;
            pane.GraphObjList.Add( myText );

            pane.AxisChange( g );
        }
コード例 #2
0
ファイル: Axis.cs プロジェクト: GunioRobot/zeegraph
 /// <summary>
 /// Restore the scale ranging to automatic mode, and recalculate the
 /// <see cref="Axis"/> scale ranges
 /// </summary>
 /// <param name="pane">
 /// A reference to the <see cref="GraphPane"/> object that is the parent or
 /// owner of this object.
 /// </param>
 /// <param name="g">
 /// A graphic device object to be drawn into.  This is normally e.Graphics from the
 /// PaintEventArgs argument to the Paint() method.
 /// </param>
 /// <seealso cref="ZeeGraph.Scale.MinAuto"/>
 /// <seealso cref="ZeeGraph.Scale.MaxAuto"/>
 /// <seealso cref="ZeeGraph.Scale.MajorStepAuto"/>
 /// <seealso cref="ZeeGraph.Scale.MagAuto"/>
 /// <seealso cref="ZeeGraph.Scale.FormatAuto"/>
 public void ResetAutoScale( GraphPane pane, Graphics g )
 {
     _scale._minAuto = true;
     _scale._maxAuto = true;
     _scale._majorStepAuto = true;
     _scale._minorStepAuto = true;
     _crossAuto = true;
     _scale._magAuto = true;
     //this.numDecAuto = true;
     _scale._formatAuto = true;
     pane.AxisChange( g );
 }