我有一个包含多个点的多系列柱状图。目前,所有的柱子都相互接触。我想要在每个柱子之间强制产生间隙。我应该如何实现这一点?
我发现使用PointWidth(
我发现使用PointWidth(
Chart1.Series[seriesName]["PointWidth"] = (0.6).ToString();
)可以让x值组之间产生间隔,但无法在单个组内的每个系列点之间产生间隔(这正是我需要的)。使用一个空的间隔系列suggested elsewhere无法解决问题。
我正在使用 .Net 4、VS 2010 和 Web 应用程序。我的图表代码如下:using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Web.UI;
using System.Web.UI.DataVisualization.Charting;
namespace WebApplication1
{
public partial class _Default : Page
{
protected void Page_Load(object sender, EventArgs e)
{
Chart1.ChartAreas.Add("Default");
Chart1.ChartAreas["Default"].BackColor = Color.White;
Chart1.ChartAreas["Default"].BackSecondaryColor = Color.AliceBlue;
Chart1.ChartAreas["Default"].BackGradientStyle = GradientStyle.TopBottom;
Chart1.BackColor = Color.AliceBlue;
Chart1.BackSecondaryColor = Color.White;
Chart1.BackGradientStyle = GradientStyle.TopBottom;
Chart1.BorderSkin.SkinStyle = BorderSkinStyle.Emboss;
var colors = new List<Color>(GetSystemColors().Where(c=>c.Name.StartsWith("Dark")));
var rng = new Random();
var start = rng.Next(0, colors.Count - 1);
for (var c = start; c < start + 6; c++)
{
var color = colors[c % colors.Count];
Chart1.Series.Add(color.Name);
Chart1.Series[color.Name].BorderColor = color;
Chart1.Series[color.Name].BorderWidth = 1;
Chart1.Series[color.Name].Color = Color.FromArgb((int)(255 * .7), color);
Chart1.Series[color.Name].BackSecondaryColor = Color.White;
Chart1.Series[color.Name].BackGradientStyle = GradientStyle.TopBottom;
for (var year = DateTime.Now.AddYears(-5).Year; year < DateTime.Now.Year; year++)
Chart1.Series[color.Name].Points.Add(new DataPoint(year, rng.Next(0, 20)));
Chart1.Series[color.Name]["PointWidth"] = (0.6).ToString();
//Chart1.Series.Add("Spacer:" + color.Name);
//Chart1.Series["Spacer:" + color.Name]["PointWidth"] = (0.6).ToString();
}
Chart1.Legends.Add("Default");
}
static IEnumerable<Color> GetSystemColors()
{
Type type = typeof(Color);
return type.GetProperties().Where(info => info.PropertyType == type).Select(info => (Color)info.GetValue(null, null));
}
}
}