public void Add(int count, string name)
{
DoughnutData doughnutData = new DoughnutData
{
Name = $"'{name}'",
Value = count,
Color = $"'{_colors[_colourIndex++]}'"
};
if (_colourIndex == _colors.Count)
{
_colourIndex = 0;
}
_doughnutDatas.Add(doughnutData);
}
/// データの設定
private DataSet GetData(DoughnutData datas)
{
DataSet ds = new DataSet();
DataTable dt = new DataTable();
DataRow dtRow;
// 列の作成
dt.Columns.Add("項目", Type.GetType("System.String"));
dt.Columns.Add("項目別合計費", Type.GetType("System.Int32"));
ds.Tables.Add(dt);
for (int i = 0; i < datas.item.Length; i++)
{
// データの追加
dtRow = ds.Tables[0].NewRow();
dtRow[0] = datas.item[i];
dtRow[1] = datas.item_total_cost[i];
ds.Tables[0].Rows.Add(dtRow);
}
return(ds);
}
private void updateDoughnutGraph()
{
DoughnutData datas = new DoughnutData()
{
item = new string[dataGridView1.Rows.Count],
item_total_cost = new int[dataGridView1.Rows.Count]
};
getEachItemTotalCost(ref datas.item, ref datas.item_total_cost);
// 初期化
chart1.Series.Clear();
chart1.Titles.Clear();
// データの取得
DataSet ds = GetData(datas);
// Chartコントロールにデータソースを設定
chart1.DataSource = ds;
// Chartコントロールにタイトルを設定
chart1.Titles.Add("項目別の割合");
// グラフの種類,系列,軸の設定
for (int i = 1; i < ds.Tables[0].Columns.Count; i++)
{
// 列名の取得
string columnName = ds.Tables[0].Columns[i].ColumnName;
// 系列の設定
chart1.Series.Add(columnName);
// グラフの種類
chart1.Series[columnName].ChartType = SeriesChartType.Doughnut;
// X軸
chart1.Series[columnName].XValueMember = ds.Tables[0].Columns[0].ColumnName.ToString();
chart1.ChartAreas[0].AxisX.MajorGrid.Enabled = false;
chart1.ChartAreas[0].AxisX.MinorGrid.Enabled = false;
// Y軸
chart1.Series[columnName].YValueMembers = columnName;
}
// X軸タイトル
chart1.ChartAreas[0].AxisX.Title = "項目";
chart1.DataBind();
/*
* // フォームをロードするときの処理
* chart1.Series.Clear(); // ← 最初からSeriesが1つあるのでクリアします
* chart1.ChartAreas.Clear();
*
* // ChartにChartAreaを追加します
* string chart_area1 = "Area1";
* chart1.ChartAreas.Add(new ChartArea(chart_area1));
* // ChartにSeriesを追加します
* string legend1 = "Graph1";
* chart1.Series.Add(legend1);
* // グラフの種別を指定
* chart1.Series[legend1].ChartType = SeriesChartType.Pie; // 円グラフを指定してみます
*
* // 各項目の値を加算して合計(全体の大きさ)を算出します
* double total = (double)datas.item_total_cost.Sum();
*
* // データをシリーズにセットします
* for (int i = 0; i < datas.item_total_cost.Length; i++)
* {
* double rate = (datas.item_total_cost[i] / total) * 100.0; // <-- ここで割合を算出します
* DataPoint dp = new DataPoint(rate, rate);
* chart1.Series[legend1].Points.Add(dp);
* }
*/
}
public ViewModel()
{
this.Data = new List <Model>();
Data.Add(new Model()
{
Country = "Uruguay", Count = 2807
});
Data.Add(new Model()
{
Country = "Argentina", Count = 2577
});
Data.Add(new Model()
{
Country = "USA", Count = 960
});
Data.Add(new Model()
{
Country = "Germany", Count = 2120
});
this.DoughnutData = new List <Model>();
DoughnutData.Add(new Model()
{
Country = "USA", Count = 2473
});
DoughnutData.Add(new Model()
{
Country = "Germany", Count = 2120
});
DoughnutData.Add(new Model()
{
Country = "Malta", Count = 960
});
DoughnutData.Add(new Model()
{
Country = "Maldives", Count = 941
});
this.SemiPieData = new List <Model>();
SemiPieData.Add(new Model()
{
Country = "USA", Count = 473
});
SemiPieData.Add(new Model()
{
Country = "Germany", Count = 1120
});
SemiPieData.Add(new Model()
{
Country = "Malta", Count = 960
});
SemiPieData.Add(new Model()
{
Country = "Monaco", Count = 908
});
this.Collection = new List <Model>();
Collection.Add(new Model()
{
Name = "Week1", Count = 45
});
Collection.Add(new Model()
{
Name = "Week2", Count = 60
});
Collection.Add(new Model()
{
Name = "Week3", Count = 70
});
Collection.Add(new Model()
{
Name = "Week4", Count = 85
});
this.Population = new List <Populations>();
Population.Add(new Populations()
{
Continent = "Asia", Countries = "China", States = "Taiwan", PopulationinContinents = 50.02, PopulationinCountries = 26.02, PopulationinStates = 18.02
});
Population.Add(new Populations()
{
Continent = "Africa", Countries = "India", States = "Shandong", PopulationinContinents = 20.81, PopulationinCountries = 24, PopulationinStates = 8
});
Population.Add(new Populations()
{
Continent = "Europe", Countries = "Nigeria", States = "UP", PopulationinContinents = 15.37, PopulationinCountries = 12.81, PopulationinStates = 14.5
});
Population.Add(new Populations()
{
Countries = "Ethiopia", States = "Maharashtra", PopulationinCountries = 8, PopulationinStates = 9.5
});
Population.Add(new Populations()
{
Countries = "Germany", States = "Kano", PopulationinCountries = 8.37, PopulationinStates = 7.81
});
Population.Add(new Populations()
{
Countries = "Turkey", States = "Lagos", PopulationinCountries = 7, PopulationinStates = 5
});
Population.Add(new Populations()
{
States = "Oromia", PopulationinStates = 5
});
Population.Add(new Populations()
{
States = "Amhara", PopulationinStates = 3
});
Population.Add(new Populations()
{
States = "Hessen", PopulationinStates = 5.37
});
Population.Add(new Populations()
{
States = "Bayern", PopulationinStates = 3
});
Population.Add(new Populations()
{
States = "Istanbul", PopulationinStates = 4.5
});
Population.Add(new Populations()
{
States = "Ankara", PopulationinStates = 2.5
});
}
