Multiple Axes
View model
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.Kernel.Sketches;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
namespace ViewModelsSamples.Axes.Multiple;
public partial class ViewModel : ObservableObject
{
private static readonly SKColor s_blue = new(25, 118, 210);
private static readonly SKColor s_red = new(229, 57, 53);
private static readonly SKColor s_yellow = new(198, 167, 0);
public ISeries[] Series { get; set; } =
{
new LineSeries<double>
{
LineSmoothness = 1,
Name = "Tens",
Values = new double[] { 14, 13, 14, 15, 17 },
Stroke = new SolidColorPaint(s_blue, 2),
GeometrySize = 10,
GeometryStroke = new SolidColorPaint(s_blue, 2),
Fill = null,
ScalesYAt = 0 // it will be scaled at the Axis[0] instance // mark
},
new LineSeries<double>
{
Name = "Tens 2",
Values = new double[] { 11, 12, 13, 10, 13 },
Stroke = new SolidColorPaint(s_blue, 2),
GeometrySize = 10,
GeometryStroke = new SolidColorPaint(s_blue, 2),
Fill = null,
ScalesYAt = 0 // it will be scaled at the Axis[0] instance // mark
},
new LineSeries<double>
{
Name = "Hundreds",
Values = new double[] { 533, 586, 425, 579, 518 },
Stroke = new SolidColorPaint(s_red, 2),
GeometrySize = 10,
GeometryStroke = new SolidColorPaint(s_red, 2),
Fill = null,
ScalesYAt = 1 // it will be scaled at the YAxes[1] instance // mark
},
new LineSeries<double>
{
Name = "Thousands",
Values = new double[] { 5493, 7843, 4368, 9018, 3902 },
Stroke = new SolidColorPaint(s_yellow, 2),
GeometrySize = 10,
GeometryStroke = new SolidColorPaint(s_yellow, 2),
Fill = null,
ScalesYAt = 2 // it will be scaled at the YAxes[2] instance // mark
}
};
public ICartesianAxis[] YAxes { get; set; } =
{
new Axis // the "units" and "tens" series will be scaled on this axis
{
Name = "Tens",
NameTextSize = 14,
NamePaint = new SolidColorPaint(s_blue),
NamePadding = new LiveChartsCore.Drawing.Padding(0, 20),
Padding = new LiveChartsCore.Drawing.Padding(0, 0, 20, 0),
TextSize = 12,
LabelsPaint = new SolidColorPaint(s_blue),
TicksPaint = new SolidColorPaint(s_blue),
SubticksPaint = new SolidColorPaint(s_blue),
DrawTicksPath = true
},
new Axis // the "hundreds" series will be scaled on this axis
{
Name = "Hundreds",
NameTextSize = 14,
NamePaint = new SolidColorPaint(s_red),
NamePadding = new LiveChartsCore.Drawing.Padding(0, 20),
Padding = new LiveChartsCore.Drawing.Padding(20, 0, 0, 0),
TextSize = 12,
LabelsPaint = new SolidColorPaint(s_red),
TicksPaint = new SolidColorPaint(s_red),
SubticksPaint = new SolidColorPaint(s_red),
DrawTicksPath = true,
ShowSeparatorLines = false,
Position = LiveChartsCore.Measure.AxisPosition.End
},
new Axis // the "thousands" series will be scaled on this axis
{
Name = "Thousands",
NameTextSize = 14,
NamePadding = new LiveChartsCore.Drawing.Padding(0, 20),
Padding = new LiveChartsCore.Drawing.Padding(20, 0, 0, 0),
NamePaint = new SolidColorPaint(s_yellow),
TextSize = 12,
LabelsPaint = new SolidColorPaint(s_yellow),
TicksPaint = new SolidColorPaint(s_yellow),
SubticksPaint = new SolidColorPaint(s_yellow),
DrawTicksPath = true,
ShowSeparatorLines = false,
Position = LiveChartsCore.Measure.AxisPosition.End
}
};
public SolidColorPaint LegendTextPaint { get; set; } =
new SolidColorPaint
{
Color = new SKColor(50, 50, 50),
SKTypeface = SKTypeface.FromFamilyName("Courier New")
};
public SolidColorPaint LedgendBackgroundPaint { get; set; } =
new SolidColorPaint(new SKColor(240, 240, 240));
}
HTML
@page "/Axes/Multiple"
@using LiveChartsCore.SkiaSharpView.Blazor
@using ViewModelsSamples.Axes.Multiple
<CartesianChart
Series="ViewModel.Series"
YAxes="ViewModel.YAxes"
LegendPosition="LiveChartsCore.Measure.LegendPosition.Left"
LegendBackgroundPaint="ViewModel.LedgendBackgroundPaint"
LegendTextPaint="ViewModel.LegendTextPaint"
LegendTextSize="16">
</CartesianChart>
@code {
public ViewModel ViewModel { get; set; } = new();
}
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