■ PieChartDataAdapter 클래스를 사용해 차트 항목을 자동으로 생성하는 방법을 보여준다.
▶ MainForm.cs
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using System.Data; using System.Drawing; using DevExpress.XtraEditors; using DevExpress.XtraMap; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 빙 맵 키 /// </summary> private string bingKey = "INPUT YOUR BING KEY"; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 빙 맵 데이터 공급자를 설정한다. this.bingMapDataProvider.BingKey = this.bingKey; #endregion #region 데이터 테이블을 설정한다. DataSet dataSet = new DataSet(); dataSet.ReadXml("DATA\\sochi2014.xml"); DataTable table = dataSet.Tables[0]; #endregion #region 파이 차트 데이터 어댑터를 설정한다. PieChartDataAdapter pieChartDataAdapter = new PieChartDataAdapter(); pieChartDataAdapter.Mappings.Latitude = "CapitalLat"; pieChartDataAdapter.Mappings.Longitude = "CapitalLon"; pieChartDataAdapter.Mappings.PieSegment = "MedalClass"; pieChartDataAdapter.Mappings.Value = "Quantity"; pieChartDataAdapter.PieItemDataMember = "Name"; pieChartDataAdapter.ItemMinSize = 20; pieChartDataAdapter.ItemMaxSize = 60; pieChartDataAdapter.DataSource = table; pieChartDataAdapter.MeasureRules = new MeasureRules(); pieChartDataAdapter.MeasureRules.RangeStops.Add(1 ); pieChartDataAdapter.MeasureRules.RangeStops.Add(10); pieChartDataAdapter.MeasureRules.RangeStops.Add(20); pieChartDataAdapter.MeasureRules.RangeStops.Add(30); pieChartDataAdapter.MeasureRules.RangeStops.Add(40); #endregion #region 키 색상 색상화기를 설정한다. KeyColorColorizer keyColorColorizer = new KeyColorColorizer(); keyColorColorizer.ItemKeyProvider = new ArgumentItemKeyProvider(); keyColorColorizer.Colors.Add(Color.FromArgb(255, 207, 98 )); keyColorColorizer.Colors.Add(Color.FromArgb(169, 181, 188)); keyColorColorizer.Colors.Add(Color.FromArgb(233, 152, 118)); keyColorColorizer.Keys.Add(new ColorizerKeyItem() { Key = 1, Name = "Gold" }); keyColorColorizer.Keys.Add(new ColorizerKeyItem() { Key = 2, Name = "Silver" }); keyColorColorizer.Keys.Add(new ColorizerKeyItem() { Key = 3, Name = "Bronze" }); #endregion #region 벡터 항목 레이어를 설정한다. this.vectorItemsLayer.Data = pieChartDataAdapter; this.vectorItemsLayer.Colorizer = keyColorColorizer; #endregion } #endregion } } |
