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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 1.0
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import QtCommercial.Chart 1.1
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//![1]
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ChartView {
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id: chartView
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animationOptions: ChartView.NoAnimation
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theme: ChartView.ChartThemeDark
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ValueAxis {
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id: axisY1
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min: -1
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max: 4
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}
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ValueAxis {
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id: axisY2
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min: -10
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max: 5
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}
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ValueAxis {
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id: axisX
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min: 0
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max: 1000
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}
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LineSeries {
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id: lineSeries1
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name: "signal 1"
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axisX: axisX
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axisY: axisY1
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}
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LineSeries {
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id: lineSeries2
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name: "signal 2"
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axisX: axisX
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axisY: axisY2
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}
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// ...
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//![1]
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//![2]
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Timer {
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id: refreshTimer
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interval: 1 / 60 * 1000 // 60 Hz
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running: true
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repeat: true
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onTriggered: {
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dataSource.update(chartView.series(0));
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dataSource.update(chartView.series(1));
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}
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}
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//![2]
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//![3]
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function changeSeriesType(type) {
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chartView.removeAllSeries();
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// Create two new series of the correct type. Axis x is the same for both of the series,
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// but the series have their own y-axes to make it possible to control the y-offset
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// of the "signal sources".
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if (type == "line") {
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scopeView.createSeries(ChartView.SeriesTypeLine, "signal 1", createAxis(0, 1000), createAxis(-1, 4));
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scopeView.createSeries(ChartView.SeriesTypeLine, "signal 2", chartView.axisX(), createAxis(-10, 5));
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} else if (type == "spline") {
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scopeView.createSeries(ChartView.SeriesTypeSpline, "signal 1", createAxis(0, 1000), createAxis(-1, 4));
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scopeView.createSeries(ChartView.SeriesTypeSpline, "signal 2", chartView.axisX(), createAxis(-10, 5));
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} else {
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var series1 = scopeView.createSeries(ChartView.SeriesTypeScatter, "signal 1", createAxis(0, 1000), createAxis(-1, 4));
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series1.markerSize = 3;
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series1.borderColor = "transparent";
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var series2 = scopeView.createSeries(ChartView.SeriesTypeScatter, "signal 2", chartView.axisX(), createAxis(-10, 5));
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series2.markerSize = 3;
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series2.borderColor = "transparent";
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}
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}
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function createAxis(min, max) {
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// The following creates a ValueAxis object that can be then set as a x or y axis for a series
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return Qt.createQmlObject("import QtQuick 1.1; import QtCommercial.Chart 1.1; ValueAxis { min: "
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+ min + "; max: " + max + " }", chartView);
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}
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//![3]
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function setAnimations(enabled) {
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if (enabled)
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scopeView.animationOptions = ChartView.SeriesAnimations;
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else
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scopeView.animationOptions = ChartView.NoAnimation;
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}
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function changeRefreshRate(rate) {
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refreshTimer.interval = 1 / Number(rate) * 1000;
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}
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}
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