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/****************************************************************************
*
* (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
import QtQuick 2.12
import QtLocation 5.3
import QtPositioning 5.3
import QtGraphicalEffects 1.0
import QGroundControl 1.0
import QGroundControl.ScreenTools 1.0
import QGroundControl.Vehicle 1.0
import QGroundControl.Controls 1.0
import QGroundControl.FlightDisplay 1.0
MapQuickItem {
id: _root
visible: proximityValues.telemetryAvailable && coordinate.isValid
property var vehicle /// Vehicle object, undefined for ADSB vehicle
property var map
property double heading: vehicle ? vehicle.heading.value : Number.NaN ///< Vehicle heading, NAN for none
anchorPoint.x: vehicleItem.width / 2
anchorPoint.y: vehicleItem.height / 2
property real _ratio: 1
property real _maxDistance: isNaN(proximityValues.maxDistance)
function calcSize() {
var scaleLinePixelLength = 100
var leftCoord = map.toCoordinate(Qt.point(0, 0), false /* clipToViewPort */)
var rightCoord = map.toCoordinate(Qt.point(scaleLinePixelLength, 0), false /* clipToViewPort */)
var scaleLineMeters = Math.round(leftCoord.distanceTo(rightCoord))
_ratio = scaleLinePixelLength / scaleLineMeters;
}
ProximityRadarValues {
id: proximityValues
vehicle: _root.vehicle
onRotationValueChanged: vehicleSensors.requestPaint()
}
Connections {
target: map
onWidthChanged: scaleTimer.restart()
onHeightChanged: scaleTimer.restart()
onZoomLevelChanged: scaleTimer.restart()
}
Timer {
id: scaleTimer
interval: 100
running: false
repeat: false
onTriggered: calcSize()
}
sourceItem: Item {
id: vehicleItem
width: detectionLimitCircle.width
height: detectionLimitCircle.height
opacity: 0.5
Component.onCompleted: calcSize()
Canvas{
id: vehicleSensors
anchors.fill: detectionLimitCircle
transform: Rotation {
origin.x: detectionLimitCircle.width / 2
origin.y: detectionLimitCircle.height / 2
angle: isNaN(heading) ? 0 : heading
}
function deg2rad(degrees) {
var pi = Math.PI;
return degrees * (pi/180);
}
onPaint: {
var ctx = getContext("2d");
ctx.reset();
ctx.translate(width/2, height/2)
ctx.rotate(-Math.PI/2);
ctx.lineWidth = 5;
ctx.strokeStyle = Qt.rgba(1, 0, 0, 1);
for(var i=0; i<proximityValues.rgRotationValues.length; i++){
var rotationValue = proximityValues.rgRotationValues[i]
if (!isNaN(rotationValue)) {
var a=deg2rad(360-22.5)+Math.PI/4*i;
ctx.beginPath();
ctx.arc(0, 0, rotationValue * _ratio, a, a + Math.PI/4,false);
ctx.stroke();
}
}
}
}
Rectangle {
id: detectionLimitCircle
width: proximityValues.maxDistance * 2 *_ratio
height: proximityValues.maxDistance * 2 *_ratio
anchors.fill: detectionLimitCircle
color: Qt.rgba(1,1,1,0)
border.color: Qt.rgba(1,1,1,1)
border.width: 5
radius: width * 0.5
transform: Rotation {
origin.x: detectionLimitCircle.width / 2
origin.y: detectionLimitCircle.height / 2
angle: isNaN(heading) ? 0 : heading
}
}
}
}