■ Area 클래스를 사용해 판매 대 가격 영역 차트를 만드는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; using Steema.TeeChart; using Steema.TeeChart.Drawing; using Steema.TeeChart.Functions; using Steema.TeeChart.Styles; using Steema.TeeChart.Tools; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 콘솔 배열 /// </summary> private string[] consoleArray = { "Wii", "PS3", "X360", "PSP", "DS" }; /// <summary> /// 단위 카운트 배열 /// </summary> private int[] unitCountArray = { 217235, 162239, 101889, 161156, 609136 }; /// <summary> /// 가격 배열 /// </summary> private double[] priceArray = { 249, 299, 249, 169, 149 }; /// <summary> /// 영역 /// </summary> private Area area; /// <summary> /// 평균 라인 /// </summary> private Line averageLine; /// <summary> /// 주석 1 /// </summary> private Annotation annotation1; /// <summary> /// 주석 2 /// </summary> private Annotation annotation2; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Text = "Area 클래스 : 판매 대 가격 영역 차트 만들기"; #region 티차트를 설정한다. this.tChart.Panel.Pen = new ChartPen(Color.Black); this.tChart.Header.Visible = true; this.tChart.Header.Font.Size = 10; this.tChart.Header.Text = "2009년 상반기 스페인 게임 콘솔 판매"; this.tChart.Legend.Visible = false; this.tChart.Axes.Left.Title.Font.Bold = true; this.tChart.Axes.Left.Title.Text = "가격(유로)"; this.tChart.Axes.Left.Increment = 50; this.tChart.Axes.Bottom.Grid.Visible = false; this.tChart.Axes.Left.SetMinMax(0, 350); #endregion #region 영역을 설정한다. this.area = new Area(); this.area.Stairs = true; this.area.ColorEach = true; this.area.Marks.Style = MarksStyles.Value; this.area.Marks.Transparent = true; this.area.Marks.Font.Bold = true; this.area.Marks.Visible = true; this.tChart.Series.Add(this.area); #endregion #region 영역에 데이터를 추가하고 평균 라인을 설정한다. double temporaryValue = 0; for(int i = 0; i < this.consoleArray.Length; i++) { this.area.Add(temporaryValue, this.priceArray[i], this.consoleArray[i]); temporaryValue += this.unitCountArray[i]; } this.averageLine = new Line(this.tChart.Chart); this.averageLine.Color = Color.Black; this.averageLine.Function = new Average(); this.averageLine.DataSource = this.area; this.area.Add(temporaryValue, this.priceArray[this.priceArray.Length - 1]); this.averageLine.XValues[this.averageLine.Count - 1] = temporaryValue; #endregion #region X축 레이블을 추가한다. this.tChart.Axes.Bottom.Labels.Items.Clear(); for(int i = 0; i < this.area.Count - 1; i++) { double value = this.area.XValues[i] + ((this.area.XValues[i + 1] - this.area.XValues[i]) / 2); AxisLabelItem item = this.tChart.Axes.Bottom.Labels.Items.Add(value, this.consoleArray[i]); item.Font.Bold = true; } #endregion Load += Form_Load; Resize += Form_Resize; this.tChart.AfterDraw += tChart_AfterDraw; this.tChart.Zoomed += tChart_Zoomed; this.tChart.UndoneZoom += tChart_UndoneZoom; this.area.GetSeriesMark += area_GetSeriesMark; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.tChart.Draw(); } #endregion #region 폼 크기 조정시 처리하기 - Form_Resize(sender, e) /// <summary> /// 폼 크기 조정시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Resize(object sender, EventArgs e) { this.tChart.Draw(); } #endregion #region TChart 그리기 후 처리하기 - tChart_AfterDraw(sender, graphics3D) /// <summary> /// TChart 그리기 후 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="graphics3D">그래픽스 3D</param> private void tChart_AfterDraw(object sender, Graphics3D graphics3D) { SetCustomMarkPosition(); SetAnnotation(); } #endregion #region TChart 확대시 처리하기 - tChart_Zoomed(sender, e) /// <summary> /// TChart 확대시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void tChart_Zoomed(object sender, EventArgs e) { this.tChart.Draw(); } #endregion #region TChart 확대 취소시 처리하기 - tChart_UndoneZoom(sender, e) /// <summary> /// TChart 확대 취소시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void tChart_UndoneZoom(object sender, EventArgs e) { this.tChart.Draw(); } #endregion #region 영역 시리즈 마크 구하기 - area_GetSeriesMark(series, e) /// <summary> /// 영역 시리즈 마크 구하기 /// </summary> /// <param name="series">시리즈</param> /// <param name="e">이벤트 인자</param> private void area_GetSeriesMark(Series series, GetSeriesMarkEventArgs e) { e.MarkText = e.ValueIndex < this.area.Count - 1 ? $"{e.MarkText} 유로" : string.Empty; } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 주석 설정하기 - SetAnnotation() /// <summary> /// 주석 설정하기 /// </summary> private void SetAnnotation() { int baseLeft = this.area.CalcXPos(this.area.Count - 2) + ((this.area.CalcXPos(this.area.Count - 1) - this.area.CalcXPos(this.area.Count - 2)) / 2); Rectangle chartRectangle = this.tChart.Chart.ChartRect; if(this.annotation1 == null) { this.annotation1 = new Annotation(this.tChart.Chart); } this.annotation1.Shape.CustomPosition = true; this.annotation1.Shape.Left = baseLeft - 80; this.annotation1.Shape.Top = chartRectangle.Top + 20; this.annotation1.Shape.Transparent = true; this.annotation1.Shape.Font.Bold = true; this.annotation1.Text = $"전체 판매량 : {this.area.MaxXValue()} 콘솔"; if(this.annotation2 == null) { this.annotation2 = new Annotation(this.tChart.Chart); } this.annotation2.Shape.CustomPosition = true; this.annotation2.Shape.Left = baseLeft; this.annotation2.Shape.Top = this.averageLine.CalcYPos(0) - 15; this.annotation2.Shape.Transparent = true; this.annotation2.Shape.Font.Color = Color.Red; this.annotation2.Shape.Font.Bold = true; this.annotation2.Text = $"평균 가격 : {this.averageLine.MaxYValue()} 유로"; } #endregion #region 커스텀 마크 위치 설정하기 - SetCustomMarkPosition() /// <summary> /// 커스텀 마크 위치 설정하기 /// </summary> private void SetCustomMarkPosition() { for(int i = 0; i < this.area.Marks.Positions.Count; i++) { double baseLeft = this.area.XValues[i] + ((this.area.XValues[i + 1] - this.area.XValues[i]) / 2); this.area.Marks.Positions[i].Custom = true; this.area.Marks.Positions[i].LeftTop.X = this.tChart.Axes.Bottom.CalcXPosValue(baseLeft) - (this.area.Marks.Positions[i].Width / 2); this.area.Marks.Positions[i].LeftTop.Y = this.area.CalcYPos(i) - 25; } this.area.Marks.Arrow.Visible = false; this.area.Repaint(); } #endregion } } |
