163 lines
3.5 KiB
QML
163 lines
3.5 KiB
QML
import QtQuick 2.9
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import QtQuick.Window 2.2
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import QtQuick.Controls 2.4
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Window {
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id: window
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visible: true
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width: 640
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height: 680
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title: qsTr("Hello World")
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Column {
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id: column
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Label {
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text: "dist1: " + ((mgmt.dist1 ? mgmt.dist1+sld1.value : 0)/1000).toFixed(2);
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}
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Label {
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text: "dist2: " + ((mgmt.dist2 ? mgmt.dist2+sld1.value : 0)/1000).toFixed(2);
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}
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Label {
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text: "dist3: " + ((mgmt.dist3 ? mgmt.dist3+sld1.value : 0)/1000).toFixed(2);
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}
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Label {
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text: "dist4: " + ((mgmt.dist4 ? mgmt.dist4+sld1.value : 0)/1000).toFixed(2);
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}
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Slider {
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width: 400;
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id: sld1;
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from: -3000;
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to: 5000;
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onValueChanged: leCanvas.requestPaint();
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}
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Label {
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text: "offset: " + sld1.value;
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}
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Connections {
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target: mgmt
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onDistChanged: leCanvas.requestPaint();
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}
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Button {
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text: "party hard";
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onClicked: mgmt.trigger();
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}
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Button {
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text: "stop"
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onClicked: mgmt.stop();
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}
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}
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Canvas {
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id: leCanvas;
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anchors.right: parent.right
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anchors.rightMargin: 0
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anchors.left: parent.left
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anchors.leftMargin: 0
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anchors.bottom: parent.bottom
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anchors.bottomMargin: 0
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anchors.top: column.bottom
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anchors.topMargin: 20
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readonly property double s: 0.02;
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function leArc(ctx, cx, cy, dist, stdDev) {
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// center circle
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ctx.fillStyle = "#000000";
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ctx.beginPath();
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ctx.arc(cx*s, cy*s, 2, 0, 360);
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ctx.fill();
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// error circle
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// ctx.beginPath();
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// ctx.arc(cx*s, cy*s, (dist+sld1.value)*s, 0, 360);
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// ctx.closePath();
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// ctx.lineWidth = stdDev*s*0.5;
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// ctx.strokeStyle = "#66000000";
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// ctx.stroke();
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// circle
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ctx.lineWidth = 1;
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ctx.strokeStyle = "#aa000000";
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ctx.beginPath();
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ctx.arc(cx*s, cy*s, (dist+sld1.value)*s, 0, 360);
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ctx.stroke();
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}
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onPaint: {
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var ctx = getContext("2d")
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ctx.reset();
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ctx.fillStyle = "#dddddd";
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ctx.clearRect(0, 0, leCanvas.width, leCanvas.height);
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//ctx.strokeStyle = Qt.rgba(0, 0, 0, 1)
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//ctx.lineWidth = 1
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var ox = 4000;
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var oy = 4000;
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var cx1 = ox+0;
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var cy1 = oy+0;
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var cx2 = ox+0;
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var cy2 = oy+7250;
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var cx3 = ox+9000;
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var cy3 = oy+7250;
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var cx4 = ox+9000;
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var cy4 = oy+0;
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leArc(ctx, cx1, cy1, mgmt.dist1, mgmt.stdDev1);
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leArc(ctx, cx2, cy2, mgmt.dist2, mgmt.stdDev2);
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leArc(ctx, cx3, cy3, mgmt.dist3, mgmt.stdDev3);
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leArc(ctx, cx4, cy4, mgmt.dist4, mgmt.stdDev4);
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var sigma = 2000;
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var stepSize = 333;
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var maxP = Math.pow( 1.0 / Math.sqrt(2*Math.PI*sigma), 4.1);
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for (var y = 0; y < leCanvas.height/s; y += stepSize) {
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for (var x = 0; x < leCanvas.width/s; x += stepSize) {
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var d1 = Math.sqrt( Math.pow(x-cx1, 2) + Math.pow(y-cy1, 2) ) - (mgmt.dist1-sld1.value);
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var d2 = Math.sqrt( Math.pow(x-cx2, 2) + Math.pow(y-cy2, 2) ) - (mgmt.dist2-sld1.value);
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var d3 = Math.sqrt( Math.pow(x-cx3, 2) + Math.pow(y-cy3, 2) ) - (mgmt.dist3-sld1.value);
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var d4 = Math.sqrt( Math.pow(x-cx4, 2) + Math.pow(y-cy4, 2) ) - (mgmt.dist4-sld1.value);
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var p = 1;
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p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d1*d1/(2*sigma*sigma) );
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p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d2*d2/(2*sigma*sigma) );
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p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d3*d3/(2*sigma*sigma) );
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p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d4*d4/(2*sigma*sigma) );
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//p = Math.pow(p, 1);
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if (p > maxP / 50) {
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ctx.fillStyle = Qt.rgba(1,0,0, p/maxP);
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ctx.fillRect(x*s, y*s, stepSize*s, stepSize*s);
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}
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}
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}
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}
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}
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}
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