main.qml Example File

scenegraph/graph/main.qml
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import QtQuick 2.0 import Graph 1.0 Item { width: 800 height: 400 Graph { id: graph anchors.fill: parent anchors.margins: 100 function newSample(i) { return (Math.sin(i / 100.0 * Math.PI * 2) + 1) * 0.4 + Math.random() * 0.05; } Component.onCompleted: { for (var i=0; i<100; ++i) appendSample(newSample(i)); } property int offset: 100; } Timer { id: timer interval: 500 repeat: true running: true onTriggered: { graph.removeFirstSample(); graph.appendSample(graph.newSample(++graph.offset)); } } Rectangle { anchors.fill: graph color: "transparent" border.color: "black" border.width: 2 } }