[英]WPF: Zoom into the first 3 points on Scichart's chart
我的圖形運行良好,它按照需要繪制了我需要的11個點。 但是,一旦情節出現,我對前三點特別感興趣。 我想知道是否有一種方法可以使圖表自動放大到繪制的前3個點,而不是在過程完成時具有圖表的完整比例。 這是xaml:
<SciChart:SciChartSurface x:Name="sciChart"
Grid.Row="6"
SciChart:RenderSurfaceBase.RenderSurfaceType="Abt.Controls.SciChart.Rendering.HighQualityRasterizer.HighQualityRenderSurface"
SciChart:ThemeManager.Theme="BlackSteel"
Margin="-23,-2,-8,-18" Grid.ColumnSpan="6" Loaded="sciChart_Loaded">
<!-- Declare RenderableSeries -->
<SciChart:SciChartSurface.RenderableSeries>
<SciChart:FastLineRenderableSeries SeriesColor="LightBlue" StrokeThickness="2">
<SciChart:FastLineRenderableSeries.PointMarker>
<SciChart:EllipsePointMarker Width="9" Height="9" Stroke="LightBlue" Fill="#990077FF" StrokeThickness="2"/>
</SciChart:FastLineRenderableSeries.PointMarker>
</SciChart:FastLineRenderableSeries>
</SciChart:SciChartSurface.RenderableSeries>
<!-- Declare Axes -->
<SciChart:SciChartSurface.XAxis>
<SciChart:TimeSpanAxis AxisTitle="Time" GrowBy="0.1, 0.1" DrawMajorGridLines="True" DrawMinorGridLines="True" DrawMajorTicks="True" DrawMinorTicks="True" />
</SciChart:SciChartSurface.XAxis>
<SciChart:SciChartSurface.YAxis>
<SciChart:NumericAxis AxisAlignment="Left" AxisTitle=" % in Profit" GrowBy="0.1, 0.1" DrawMajorGridLines="True" DrawMinorGridLines="True" DrawMajorTicks="True" DrawMinorTicks="True"/>
</SciChart:SciChartSurface.YAxis>
Scichart的圖表可以做到這一點嗎?
是的,您可以直接在SciChartSurface上操縱XAxis.VisibleRange。 為此,只需使用如下代碼
// Create your Data Series
var xyDataSeries = new XyDataSeries<TimeSpan, double>();
// Append some values
xyDataSeries.Append(TimeSpan.FromSeconds(0), 0);
xyDataSeries.Append(TimeSpan.FromSeconds(1), 1);
xyDataSeries.Append(TimeSpan.FromSeconds(2), 2);
// ...
xyDataSeries.Append(TimeSpan.FromSeconds(11), 11);
// Set the XyDataSeries on the RenderableSeries
// Assumes chart is created as per your XAML above
sciChart.RenderableSeries[0].DataSeries = xyDataSeries;
// Zoom XAxis to fit first three points
var xRange = new TimeSpanRange(xyDataSeries.XValues[0], xyDataSeries.XValues[2]);
sciChart.XAxis.VisibleRange = xRange;
// Zoom to fit in Y direction
sciChart.ZoomExtentsY();
希望這可以幫助!
披露: 我是SciChart WPF圖表的總經理和所有者
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