/// <summary>
/// Applies any color overriding
/// </summary>
/// <param name="graphCellToRender"></param>
/// <returns></returns>
protected virtual GraphCellToRender AdjustColor(GraphCellToRender graphCellToRender)
{
if (OverrideBarColor.HasValue)
{
graphCellToRender.Color = OverrideBarColor;
}
return(graphCellToRender);
}
private void SetupDisco()
{
graphView.Reset();
about.Text = "This graph shows a graphic equaliser for an imaginary song";
graphView.GraphColor = Application.Driver.MakeAttribute(Color.White, Color.Black);
var stiple = new GraphCellToRender('\u2593');
Random r = new Random();
var series = new DiscoBarSeries();
var bars = new List <BarSeries.Bar> ();
Func <MainLoop, bool> genSample = (l) => {
bars.Clear();
// generate an imaginary sample
for (int i = 0; i < 31; i++)
{
bars.Add(
new BarSeries.Bar(null, stiple, r.Next(0, 100))
{
//ColorGetter = colorDelegate
});
}
graphView.SetNeedsDisplay();
// while the equaliser is showing
return(graphView.Series.Contains(series));
};
Application.MainLoop.AddTimeout(TimeSpan.FromMilliseconds(250), genSample);
series.Bars = bars;
graphView.Series.Add(series);
// How much graph space each cell of the console depicts
graphView.CellSize = new PointF(1, 10);
graphView.AxisX.Increment = 0; // No graph ticks
graphView.AxisX.ShowLabelsEvery = 0; // no labels
graphView.AxisX.Visible = false;
graphView.AxisY.Visible = false;
graphView.SetNeedsDisplay();
}
private void SetupPopulationPyramid()
{
/*
* Age,M,F
* 0-4,2009363,1915127
* 5-9,2108550,2011016
* 10-14,2022370,1933970
* 15-19,1880611,1805522
* 20-24,2072674,2001966
* 25-29,2275138,2208929
* 30-34,2361054,2345774
* 35-39,2279836,2308360
* 40-44,2148253,2159877
* 45-49,2128343,2167778
* 50-54,2281421,2353119
* 55-59,2232388,2306537
* 60-64,1919839,1985177
* 65-69,1647391,1734370
* 70-74,1624635,1763853
* 75-79,1137438,1304709
* 80-84,766956,969611
* 85-89,438663,638892
* 90-94,169952,320625
* 95-99,34524,95559
* 100+,3016,12818*/
about.Text = "This graph shows population of each age divided by gender";
graphView.Reset();
// How much graph space each cell of the console depicts
graphView.CellSize = new PointF(100_000, 1);
//center the x axis in middle of screen to show both sides
graphView.ScrollOffset = new PointF(-3_000_000, 0);
graphView.AxisX.Text = "Number Of People";
graphView.AxisX.Increment = 500_000;
graphView.AxisX.ShowLabelsEvery = 2;
// use Abs to make negative axis labels positive
graphView.AxisX.LabelGetter = (v) => Math.Abs(v.Value / 1_000_000).ToString("N2") + "M";
// leave space for axis labels
graphView.MarginBottom = 2;
graphView.MarginLeft = 1;
// do not show axis titles (bars have their own categories)
graphView.AxisY.Increment = 0;
graphView.AxisY.ShowLabelsEvery = 0;
graphView.AxisY.Minimum = 0;
var stiple = new GraphCellToRender(Application.Driver.Stipple);
// Bars in 2 directions
// Males (negative to make the bars go left)
var malesSeries = new BarSeries()
{
Orientation = Orientation.Horizontal,
Bars = new List <BarSeries.Bar> ()
{
new BarSeries.Bar("0-4", stiple, -2009363),
new BarSeries.Bar("5-9", stiple, -2108550),
new BarSeries.Bar("10-14", stiple, -2022370),
new BarSeries.Bar("15-19", stiple, -1880611),
new BarSeries.Bar("20-24", stiple, -2072674),
new BarSeries.Bar("25-29", stiple, -2275138),
new BarSeries.Bar("30-34", stiple, -2361054),
new BarSeries.Bar("35-39", stiple, -2279836),
new BarSeries.Bar("40-44", stiple, -2148253),
new BarSeries.Bar("45-49", stiple, -2128343),
new BarSeries.Bar("50-54", stiple, -2281421),
new BarSeries.Bar("55-59", stiple, -2232388),
new BarSeries.Bar("60-64", stiple, -1919839),
new BarSeries.Bar("65-69", stiple, -1647391),
new BarSeries.Bar("70-74", stiple, -1624635),
new BarSeries.Bar("75-79", stiple, -1137438),
new BarSeries.Bar("80-84", stiple, -766956),
new BarSeries.Bar("85-89", stiple, -438663),
new BarSeries.Bar("90-94", stiple, -169952),
new BarSeries.Bar("95-99", stiple, -34524),
new BarSeries.Bar("100+", stiple, -3016)
}
};
graphView.Series.Add(malesSeries);
// Females
var femalesSeries = new BarSeries()
{
Orientation = Orientation.Horizontal,
Bars = new List <BarSeries.Bar> ()
{
new BarSeries.Bar("0-4", stiple, 1915127),
new BarSeries.Bar("5-9", stiple, 2011016),
new BarSeries.Bar("10-14", stiple, 1933970),
new BarSeries.Bar("15-19", stiple, 1805522),
new BarSeries.Bar("20-24", stiple, 2001966),
new BarSeries.Bar("25-29", stiple, 2208929),
new BarSeries.Bar("30-34", stiple, 2345774),
new BarSeries.Bar("35-39", stiple, 2308360),
new BarSeries.Bar("40-44", stiple, 2159877),
new BarSeries.Bar("45-49", stiple, 2167778),
new BarSeries.Bar("50-54", stiple, 2353119),
new BarSeries.Bar("55-59", stiple, 2306537),
new BarSeries.Bar("60-64", stiple, 1985177),
new BarSeries.Bar("65-69", stiple, 1734370),
new BarSeries.Bar("70-74", stiple, 1763853),
new BarSeries.Bar("75-79", stiple, 1304709),
new BarSeries.Bar("80-84", stiple, 969611),
new BarSeries.Bar("85-89", stiple, 638892),
new BarSeries.Bar("90-94", stiple, 320625),
new BarSeries.Bar("95-99", stiple, 95559),
new BarSeries.Bar("100+", stiple, 12818)
}
};
var softStiple = new GraphCellToRender('\u2591');
var mediumStiple = new GraphCellToRender('\u2592');
for (int i = 0; i < malesSeries.Bars.Count; i++)
{
malesSeries.Bars [i].Fill = i % 2 == 0 ? softStiple : mediumStiple;
femalesSeries.Bars [i].Fill = i % 2 == 0 ? softStiple : mediumStiple;
}
graphView.Series.Add(femalesSeries);
graphView.Annotations.Add(new TextAnnotation()
{
Text = "M", ScreenPosition = new Terminal.Gui.Point(0, 10)
});
graphView.Annotations.Add(new TextAnnotation()
{
Text = "F", ScreenPosition = new Terminal.Gui.Point(graphView.Bounds.Width - 1, 10)
});
graphView.SetNeedsDisplay();
}
/*
* Country,Both,Male,Female
*
* "Switzerland",83.4,81.8,85.1
* "South Korea",83.3,80.3,86.1
* "Singapore",83.2,81,85.5
* "Spain",83.2,80.7,85.7
* "Cyprus",83.1,81.1,85.1
* "Australia",83,81.3,84.8
* "Italy",83,80.9,84.9
* "Norway",83,81.2,84.7
* "Israel",82.6,80.8,84.4
* "France",82.5,79.8,85.1
* "Luxembourg",82.4,80.6,84.2
* "Sweden",82.4,80.8,84
* "Iceland",82.3,80.8,83.9
* "Canada",82.2,80.4,84.1
* "New Zealand",82,80.4,83.5
* "Malta,81.9",79.9,83.8
* "Ireland",81.8,80.2,83.5
* "Netherlands",81.8,80.4,83.1
* "Germany",81.7,78.7,84.8
* "Austria",81.6,79.4,83.8
* "Finland",81.6,79.2,84
* "Portugal",81.6,78.6,84.4
* "Belgium",81.4,79.3,83.5
* "United Kingdom",81.4,79.8,83
* "Denmark",81.3,79.6,83
* "Slovenia",81.3,78.6,84.1
* "Greece",81.1,78.6,83.6
* "Kuwait",81,79.3,83.9
* "Costa Rica",80.8,78.3,83.4*/
private void SetupLifeExpectancyBarGraph(bool verticalBars)
{
graphView.Reset();
about.Text = "This graph shows the life expectancy at birth of a range of countries";
var softStiple = new GraphCellToRender('\u2591');
var mediumStiple = new GraphCellToRender('\u2592');
var barSeries = new BarSeries()
{
Bars = new List <BarSeries.Bar> ()
{
new BarSeries.Bar("Switzerland", softStiple, 83.4f),
new BarSeries.Bar("South Korea", !verticalBars?mediumStiple:softStiple, 83.3f),
new BarSeries.Bar("Singapore", softStiple, 83.2f),
new BarSeries.Bar("Spain", !verticalBars?mediumStiple:softStiple, 83.2f),
new BarSeries.Bar("Cyprus", softStiple, 83.1f),
new BarSeries.Bar("Australia", !verticalBars?mediumStiple:softStiple, 83),
new BarSeries.Bar("Italy", softStiple, 83),
new BarSeries.Bar("Norway", !verticalBars?mediumStiple:softStiple, 83),
new BarSeries.Bar("Israel", softStiple, 82.6f),
new BarSeries.Bar("France", !verticalBars?mediumStiple:softStiple, 82.5f),
new BarSeries.Bar("Luxembourg", softStiple, 82.4f),
new BarSeries.Bar("Sweden", !verticalBars?mediumStiple:softStiple, 82.4f),
new BarSeries.Bar("Iceland", softStiple, 82.3f),
new BarSeries.Bar("Canada", !verticalBars?mediumStiple:softStiple, 82.2f),
new BarSeries.Bar("New Zealand", softStiple, 82),
new BarSeries.Bar("Malta", !verticalBars?mediumStiple:softStiple, 81.9f),
new BarSeries.Bar("Ireland", softStiple, 81.8f)
}
};
graphView.Series.Add(barSeries);
if (verticalBars)
{
barSeries.Orientation = Orientation.Vertical;
// How much graph space each cell of the console depicts
graphView.CellSize = new PointF(0.1f, 0.25f);
// No axis marks since Bar will add it's own categorical marks
graphView.AxisX.Increment = 0f;
graphView.AxisX.Text = "Country";
graphView.AxisX.Minimum = 0;
graphView.AxisY.Increment = 1f;
graphView.AxisY.ShowLabelsEvery = 1;
graphView.AxisY.LabelGetter = v => v.Value.ToString("N2");
graphView.AxisY.Minimum = 0;
graphView.AxisY.Text = "Age";
// leave space for axis labels and title
graphView.MarginBottom = 2;
graphView.MarginLeft = 6;
// Start the graph at 80 years because that is where most of our data is
graphView.ScrollOffset = new PointF(0, 80);
}
else
{
barSeries.Orientation = Orientation.Horizontal;
// How much graph space each cell of the console depicts
graphView.CellSize = new PointF(0.1f, 1f);
// No axis marks since Bar will add it's own categorical marks
graphView.AxisY.Increment = 0f;
graphView.AxisY.ShowLabelsEvery = 1;
graphView.AxisY.Text = "Country";
graphView.AxisY.Minimum = 0;
graphView.AxisX.Increment = 1f;
graphView.AxisX.ShowLabelsEvery = 1;
graphView.AxisX.LabelGetter = v => v.Value.ToString("N2");
graphView.AxisX.Text = "Age";
graphView.AxisX.Minimum = 0;
// leave space for axis labels and title
graphView.MarginBottom = 2;
graphView.MarginLeft = (uint)barSeries.Bars.Max(b => b.Text.Length) + 2;
// Start the graph at 80 years because that is where most of our data is
graphView.ScrollOffset = new PointF(80, 0);
}
graphView.SetNeedsDisplay();
}
/// <summary>
/// Creates a new instance of a single bar rendered in the given <paramref name="fill"/> that extends
/// out <paramref name="value"/> graph space units in the default <see cref="Orientation"/>
/// </summary>
/// <param name="text"></param>
/// <param name="fill"></param>
/// <param name="value"></param>
public Bar(string text, GraphCellToRender fill, float value)
{
Text = text;
Fill = fill;
Value = value;
}
private void SetupBarSeries(DataTable dt, string countColumnName, int boundsWidth, int boundsHeight)
{
var barSeries = new BarSeries();
var softStiple = new GraphCellToRender('\u2591');
var mediumStiple = new GraphCellToRender('\u2592');
int row = 0;
int widestCategory = 0;
float min = 0;
float max = 1;
foreach (DataRow dr in dt.Rows)
{
var label = dr[0].ToString();
if (string.IsNullOrWhiteSpace(label))
{
label = "<Null>";
}
// treat nulls as 0
var val = dr[1] == DBNull.Value ? 0 : (float)Convert.ToDouble(dr[1]);
min = Math.Min(min, val);
max = Math.Max(max, val);
widestCategory = Math.Max(widestCategory, label.Length);
barSeries.Bars.Add(new BarSeries.Bar(label, row++ % 2 == 0 ? softStiple : mediumStiple, val));
}
// show bars alphabetically (graph is rendered y=0 at bottom)
barSeries.Bars = barSeries.Bars.OrderByDescending(b => b.Text).ToList();
// Configure Axis, Margins etc
// make sure whole graph fits on axis
float xIncrement = (max - min) / (boundsWidth);
// 1 bar per row of console
graphView.CellSize = new PointF(xIncrement, 1);
graphView.Series.Add(barSeries);
graphView.AxisY.Increment = 0;
barSeries.Orientation = Orientation.Horizontal;
graphView.MarginBottom = 2;
graphView.MarginLeft = (uint)widestCategory + 1;
// work out how to space x axis without scrolling
graphView.AxisX.Increment = 10 * xIncrement;
graphView.AxisX.ShowLabelsEvery = 1;
graphView.AxisX.LabelGetter = (v) => FormatValue(v.Value, min, max);
graphView.AxisX.Text = countColumnName;
graphView.AxisY.Increment = 1;
graphView.AxisY.ShowLabelsEvery = 1;
// scroll to the top of the bar chart so that the natural scroll direction (down) is preserved
graphView.ScrollOffset = new PointF(0, barSeries.Bars.Count - boundsHeight + 4);
}
protected override GraphCellToRender AdjustColor(GraphCellToRender graphCellToRender)
{
return(FinalColor = base.AdjustColor(graphCellToRender));
}
