public void Main(Application excelApp)
{
double[] xValues;
double[] yValues;
// 获取原始数据
Worksheet sht = excelApp.ActiveSheet;
//
Range valueRange = RangeValueConverter.GetRange(sht, 1, 1, 117, 2);
var value = valueRange.Value;
double[] vDate = ArrayConstructor.GetColumn <double>(RangeValueConverter.GetRangeValue <double>(value, false, 0), 0);
double[,] vValue = RangeValueConverter.GetRangeValue <double>(value, false, 1);
// 其他计算参数
int type = (int)sht.Cells[1, 4].Value;
int newCount = (int)sht.Cells[2, 4].Value;
// var sp = new SpeedMode(XdateNum.Select(r => (double)r).ToArray(), Y);
var sp = new SpeedMode(vDate, ArrayConstructor.GetColumn(vValue, 0));
SpeedMode.ShrinkResult res;
switch (type)
{
case 1:
{
res = sp.ShrinkByIdAverage(newCount);
if (res == SpeedMode.ShrinkResult.Succeed)
{
// 绘制数据
RangeValueConverter.FillRange(sht, 1, 5, sp.GetX(), colPrior: true);
RangeValueConverter.FillRange(sht, 1, 6, sp.GetY(), colPrior: true);
}
break;
}
case 2:
{
res = sp.ShrinkByXAxis(newCount);
if (res == SpeedMode.ShrinkResult.Succeed)
{
// 绘制数据
RangeValueConverter.FillRange(sht, 1, 7, sp.GetX(), colPrior: true);
RangeValueConverter.FillRange(sht, 1, 8, sp.GetY(), colPrior: true);
}
else
{
MessageBox.Show(sp.ErrorMessage);
}
break;
}
}
}
/// <summary>
/// 以只考虑数据点个数的方式进行缩减
/// </summary>
/// <param name="srcX">数据源中的X数据</param>
/// <param name="srcY">数据源中的Y数据</param>
/// <param name="newCount">缩减后的新数据点个数</param>
/// <param name="srcD">要将缩减后的数据放置在哪里，此属性中只包含一个单元格，表示整个缩减后的曲线的左上角单元格</param>
public static void ShrinkByPointCount(Range srcX, Range srcY, int newCount, Range srcD)
{
double[] x = GetColumnData(srcX);
double[] y = GetColumnData(srcY);
if (x.Length > 2 && x.Length == y.Length)
{
//
var sp = new SpeedMode(x, y);
SpeedMode.ShrinkResult res = sp.ShrinkByIdAverage(newCount);
if (res == SpeedMode.ShrinkResult.Succeed)
{
Worksheet sht = srcD.Worksheet;
// 绘制数据
RangeValueConverter.FillRange(sht, srcD.Row, srcD.Column, sp.GetX(), colPrior: true);
RangeValueConverter.FillRange(sht, srcD.Row, srcD.Column + 1, sp.GetY(), colPrior: true);
}
}
else
{
throw new ArgumentException(@"X与Y数据点的个数必须相同而且至少为2。");
}
}