94 lines
3.0 KiB
C#
94 lines
3.0 KiB
C#
// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="MainViewModel.cs" company="OxyPlot">
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// Copyright (c) 2014 OxyPlot contributors
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// </copyright>
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// --------------------------------------------------------------------------------------------------------------------
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namespace AnimationsDemo
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using OxyPlot;
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using OxyPlot.Annotations;
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using OxyPlot.Axes;
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using OxyPlot.Series;
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public class LinearBarViewModel : AnimationViewModelBase
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{
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public LinearBarViewModel()
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{
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var pnls = new List<Pnl>();
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var random = new Random(31);
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var dateTime = DateTime.Today.Add(TimeSpan.FromHours(9));
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for (var pointIndex = 0; pointIndex < 50; pointIndex++)
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{
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pnls.Add(new Pnl
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{
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Time = dateTime,
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Value = -200 + random.Next(1000),
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});
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dateTime = dateTime.AddMinutes(1);
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}
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var minimum = pnls.Min(x => x.Value);
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var maximum = pnls.Max(x => x.Value);
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var plotModel = this.PlotModel;
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plotModel.Title = "Linear Bar Series Animation Demo";
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var series = new LinearBarSeries
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{
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Title = "P & L",
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ItemsSource = pnls,
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DataFieldX = "Time",
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DataFieldY = "Value",
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FillColor = OxyColor.Parse("#454CAF50"),
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StrokeColor = OxyColor.Parse("#4CAF50"),
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StrokeThickness = 1,
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BarWidth = 5
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};
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plotModel.Series.Add(series);
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var annotation = new LineAnnotation
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{
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Type = LineAnnotationType.Horizontal,
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Y = 0
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};
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plotModel.Annotations.Add(annotation);
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var dateTimeAxis = new DateTimeAxis
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{
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Position = AxisPosition.Bottom,
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IntervalType = DateTimeIntervalType.Hours,
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IntervalLength = 50
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};
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plotModel.Axes.Add(dateTimeAxis);
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var margin = (maximum - minimum) * 0.05;
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var valueAxis = new LinearAxis
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{
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Position = AxisPosition.Left,
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Minimum = minimum - margin,
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Maximum = maximum + margin,
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};
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plotModel.Axes.Add(valueAxis);
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}
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public override bool SupportsEasingFunction { get { return true; } }
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public override async Task AnimateAsync(AnimationSettings animationSettings)
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{
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var plotModel = this.PlotModel;
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var series = plotModel.Series.First() as LinearBarSeries;
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if (series != null)
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{
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await plotModel.AnimateSeriesAsync(series, animationSettings);
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}
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}
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}
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} |