protected bool Equals(Greeks other)
{
return(Gamma.AlmostEqual(other.Gamma, 4) &&
Delta.AlmostEqual(other.Delta, 4) &&
Theta.AlmostEqual(other.Theta, 4) &&
Vega.AlmostEqual(other.Vega, 4) &&
Rho.AlmostEqual(other.Rho, 4) &&
RhoFx.AlmostEqual(other.RhoFx, 4) &&
Sigma.AlmostEqual(other.Sigma, 4));
}
private static void NewMethod1()
{
var names = "a b c d e f g h i".Split(" ");
var values = new[] { 28, 55, 43, 91, 81, 53, 19, 87, 52 };
var source = names.Zip(values, (f, s) => new { name = f, value = s });
Vega.SetData(source)
.SetMark(Vega.Marks.Bar)
.SetEncoding(x: "name:N", y: "value:Q")
.ToFile("res.html");
}
private static void NewMethod2()
{
var url = @"https://vega.github.io/vega-datasets/data/movies.json";
Vega.SetData(url)
.SetMark(Vega.Marks.Bar)
.SetEncoding(en =>
{
en.X = Vega.PcField("IMDB_Rating:Q").SetBin(true);
en.Y = Vega.PcField().SetAggregate("count");
})
.ToFile("res.html");
}
public override int GetHashCode()
{
unchecked
{
int hashCode = Gamma.GetHashCode();
hashCode = (hashCode * 397) ^ Delta.GetHashCode();
hashCode = (hashCode * 397) ^ Theta.GetHashCode();
hashCode = (hashCode * 397) ^ Vega.GetHashCode();
hashCode = (hashCode * 397) ^ Rho.GetHashCode();
hashCode = (hashCode * 397) ^ RhoFx.GetHashCode();
hashCode = (hashCode * 397) ^ Sigma.GetHashCode();
return(hashCode);
}
}
/// <summary>
/// https://vega.github.io/vega-lite/docs/sort.html#sort-by-encoding
/// </summary>
private static void NewMethod8()
{
var url = @"https://vega.github.io/vega-datasets/data/population.json";
var cm = Vega.SetData(url)
.SetMark(Vega.Marks.Bar)
.SetEncoding(en =>
{
en.Y = Vega.PcField().SetName("age:O").SetSort("-x");
en.X = Vega.PcField().SetName("people:Q")
.SetAggregate("sum");
})
.SetFilter(d => d.Number("year") == 2000);
cm.ToFile("res.html");
}
private static void test2()
{
var names = "a b c d e f g h i".Split(" ");
var values = new[] { 28, 55, 43, 91, 81, 53, 19, 87, 52 };
var source = names.Zip(values, (f, s) => new { name = f, value = s });
var cond = Vega.ColorCondition(d => d.Number("value") > 60, Color.Red);
Vega.SetData(source)
.SetMark(Vega.Marks.Bar)
.SetEncoding(
Vega.Y("value:Q"),
Vega.X("name:N"),
Vega.Color(condition: cond, color: Color.Blue)
)
.ToFile("res.html");
}
public static SamplesResult NewMethod1()
{
var names = "a b c d e f g h i".Split(' ');
var values = new[] { 28, 55, 43, 91, 81, 53, 19, 87, 52 };
var source = names.Zip(values, (f, s) => new { name = f, value = s });
var res = Vega.SetData(source)
.SetMark(Vega.Marks.Bar)
.SetEncoding(x: "name:N", y: "value:Q")
.ToHtml();
return(new SamplesResult
{
Desc = "普通柱状图",
Html = res
});
}
public static SamplesResult NewMethod2()
{
var url = @"https://vega.github.io/vega-datasets/data/movies.json";
var res = Vega.SetData(url)
.SetMark(Vega.Marks.Bar)
.SetEncoding(en =>
{
en.X = Vega.PcField("IMDB_Rating:Q").SetBin(true);
en.Y = Vega.PcField().SetAggregate("count");
})
.ToHtml();
return(new SamplesResult
{
Desc = "柱状图，y轴直接指定聚合 count，按x轴统计个数",
Html = res
});
}
/// <summary>
/// https://vega.github.io/vega-lite/docs/sort.html#sort-by-encoding
/// </summary>
public static SamplesResult NewMethod8()
{
var url = @"https://vega.github.io/vega-datasets/data/population.json";
var cm = Vega.SetData(url)
.SetMark(Vega.Marks.Bar)
.SetEncoding(en =>
{
en.Y = Vega.PcField().SetName("age:O").SetSort("-x");
en.X = Vega.PcField().SetName("people:Q")
.SetAggregate("sum");
})
.SetFilter(d => d.Number("year") == 2000);
return(new SamplesResult
{
Desc = "Y轴按x轴值倒序排序",
Html = cm.ToHtml()
});
}
private static void NewMethod3()
{
var url = @"https://vega.github.io/vega-datasets/data/stocks.csv";
var cm = Vega.SetData(url)
.SetEncoding(en =>
{
en.X = Vega.PcField("date:T");
en.Y = Vega.PcField("price:Q");
en.Color = Vega.McField("symbol:N");
})
.SetFilter(d => d.String("symbol") == "GOOG")
//.SetFilter("datum.symbol == 'GOOG'")
;
var line = cm.SetMark(Vega.Marks.Line);
var point = cm.SetMark(Vega.Marks.Point);
(line + point).ToFile("res.html");
}
public static SamplesResult NewMethod3()
{
var url = @"https://vega.github.io/vega-datasets/data/stocks.csv";
var cm = Vega.SetData(url)
.SetEncoding(en =>
{
en.X = Vega.PcField("date:T");
en.Y = Vega.PcField("price:Q");
en.Color = Vega.McField("symbol:N");
})
.SetFilter(d => d.String("symbol") == "GOOG")
//.SetFilter("datum.symbol == 'GOOG'")
;
var line = cm.SetMark(Vega.Marks.Line);
var point = cm.SetMark(Vega.Marks.Point);
return(new SamplesResult
{
Desc = "点图 + 线图 叠加",
Html = (line + point).ToHtml()
});
}
private static void NewMethod4()
{
var url = @"https://vega.github.io/vega-datasets/data/stocks.csv";
var cond = Vega.Condition()
.AddTest(d => d.Number("price") > 400)
.AddValue(Color.Red);
var cm = Vega.SetData(url)
.SetEncoding(en =>
{
en.X = Vega.PcField().SetName("date:T");
en.Y = Vega.PcField().SetName("price:Q");
en.Color = cond.ToColor(Color.Blue);
})
.SetFilter(d => d.String("symbol") == "GOOG")
;
var line = cm.SetMark(Vega.Marks.Line);
var point = cm.SetMark(Vega.Marks.Point);
(line + point).ToFile("res.html");
}
