Merge pull request #7748 from DonLakeFlyer/SurveyVisuals

Survey visuals

qgroundcontrol.qrc

@@ -185,6 +185,7 @@
         <file alias="QGroundControl/FlightMap/FlightMap.qml">src/FlightMap/FlightMap.qml</file>
         <file alias="QGroundControl/FlightMap/InstrumentSwipeView.qml">src/FlightMap/Widgets/InstrumentSwipeView.qml</file>
         <file alias="QGroundControl/FlightMap/MapFitFunctions.qml">src/FlightMap/Widgets/MapFitFunctions.qml</file>
+		<file alias="QGroundControl/FlightMap/MapLineArrow.qml">src/MissionManager/MapLineArrow.qml</file>
         <file alias="QGroundControl/FlightMap/MapScale.qml">src/FlightMap/MapScale.qml</file>
         <file alias="QGroundControl/FlightMap/MissionItemIndicator.qml">src/FlightMap/MapItems/MissionItemIndicator.qml</file>
         <file alias="QGroundControl/FlightMap/MissionItemIndicatorDrag.qml">src/FlightMap/MapItems/MissionItemIndicatorDrag.qml</file>

src/MissionManager/MapLineArrow.qml

@@ -0,0 +1,71 @@
+/****************************************************************************
+ *
+ *   (c) 2009-2016 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          2.3
+import QtQuick.Controls 1.2
+import QtLocation       5.3
+import QtPositioning    5.3
+
+import QGroundControl               1.0
+import QGroundControl.ScreenTools   1.0
+import QGroundControl.Palette       1.0
+import QGroundControl.Controls      1.0
+import QGroundControl.FlightMap     1.0
+
+MapQuickItem {
+    property color  arrowColor:     "white"
+    property var    fromCoord:      QtPositioning.coordinate()
+    property var    toCoord:        QtPositioning.coordinate()
+    property bool   exitPosition:   false
+
+    property var    _map:           parent
+    property real   _arrowSize:     20
+    property real   _arrowHeading:  0
+
+    function _updateArrowDetails() {
+        if (fromCoord && fromCoord.isValid && toCoord && toCoord.isValid) {
+            _arrowHeading = fromCoord.azimuthTo(toCoord)
+            var lineDistanceQuarter = fromCoord.distanceTo(toCoord) / 4
+            coordinate = fromCoord.atDistanceAndAzimuth(lineDistanceQuarter * (exitPosition ? 3 : 1), _arrowHeading)
+        } else {
+            coordinate = QtPositioning.coordinate()
+            _arrowHeading = 0
+        }
+    }
+
+    onFromCoordChanged: _updateArrowDetails()
+    onToCoordChanged:   _updateArrowDetails()
+
+    sourceItem: Canvas {
+        x:      -_arrowSize
+        y:      0
+        width:  _arrowSize * 2
+        height: _arrowSize
+
+        onPaint: {
+            var ctx = getContext("2d");
+            ctx.lineWidth = 2
+            ctx.strokeStyle = arrowColor
+            ctx.beginPath();
+            ctx.moveTo(_arrowSize, 0);
+            ctx.lineTo(_arrowSize * 2, _arrowSize)
+            ctx.stroke();
+            ctx.beginPath();
+            ctx.moveTo(_arrowSize, 0);
+            ctx.lineTo(0, _arrowSize)
+            ctx.stroke();
+        }
+
+        transform: Rotation {
+            origin.x:   width / 2
+            origin.y:   0
+            angle:      _arrowHeading
+        }
+    }
+}

src/PlanView/TransectStyleMapVisuals.qml

@@ -28,35 +28,35 @@ Item {
     property var    _mapPolygon:                object.surveyAreaPolygon
     property bool   _currentItem:               object.isCurrentItem
     property var    _transectPoints:            _missionItem.visualTransectPoints
-    property bool   _showPartialEntryExit:      !_currentItem && _missionItem.turnAroundDistance.rawValue !== 0 &&_transectPoints.length >= 2
+    property int    _transectCount:             _transectPoints.length / (_hasTurnaround ? 4 : 2)
+    property bool   _hasTurnaround:             _missionItem.turnAroundDistance.rawValue !== 0
+    property int    _firstTrueTransectIndex:    _hasTurnaround ? 1 : 0
+    property int    _lastTrueTransectIndex:     _transectPoints.length - (_hasTurnaround ? 2 : 1)
+    property int    _lastPointIndex:            _transectPoints.length - 1
+    property bool   _showPartialEntryExit:      !_currentItem && _hasTurnaround &&_transectPoints.length >= 2
     property var    _fullTransectsComponent:    null
     property var    _entryTransectsComponent:   null
     property var    _exitTransectsComponent:    null
     property var    _entryCoordinate
     property var    _exitCoordinate
+    property var    _dynamicComponents: [ ]
 
     signal clicked(int sequenceNumber)
 
     function _addVisualElements() {
-        _fullTransectsComponent =   fullTransectsComponent.createObject(map)
-        _entryTransectsComponent =  entryTransectComponent.createObject(map)
-        _exitTransectsComponent =   exitTransectComponent.createObject(map)
-        _entryCoordinate =          entryPointComponent.createObject(map)
-        _exitCoordinate =           exitPointComponent.createObject(map)
-
-        map.addMapItem(_fullTransectsComponent)
-        map.addMapItem(_entryTransectsComponent)
-        map.addMapItem(_exitTransectsComponent)
-        map.addMapItem(_entryCoordinate)
-        map.addMapItem(_exitCoordinate)
+        var toAdd = [ fullTransectsComponent, entryTransectComponent, exitTransectComponent, entryPointComponent, exitPointComponent,
+                     entryArrow1Component, entryArrow2Component, exitArrow1Component, exitArrow2Component ]
+        for (var i=0; i<toAdd.length; i++) {
+            _dynamicComponents.push(toAdd[i].createObject(map))
+            map.addMapItem(_dynamicComponents[_dynamicComponents.length -1])
+        }
     }
 
     function _destroyVisualElements() {
-        _fullTransectsComponent.destroy()
-        _entryTransectsComponent.destroy()
-        _exitTransectsComponent.destroy()
-        _entryCoordinate.destroy()
-        _exitCoordinate.destroy()
+        for (var i=0; i<_dynamicComponents.length; i++) {
+            _dynamicComponents[i].destroy()
+        }
+        _dynamicComponents = [ ]
     }
 
     Component.onCompleted: {
@@ -108,10 +108,8 @@ Item {
         MapPolyline {
             line.color: "white"
             line.width: 2
-            path:       _showPartialEntryExit ? [ _transectPoints[lastPointIndex - 1], _transectPoints[lastPointIndex] ] : []
+            path:       _showPartialEntryExit ? [ _transectPoints[_lastPointIndex - 1], _transectPoints[_lastPointIndex] ] : []
             visible:    _showPartialEntryExit
-
-            property int lastPointIndex: _transectPoints.length - 1
         }
     }
 
@@ -128,13 +126,60 @@ Item {
 
             sourceItem: MissionItemIndexLabel {
                 index:      _missionItem.sequenceNumber
-                label:      qsTr("Entry")
                 checked:    _missionItem.isCurrentItem
                 onClicked:  _root.clicked(_missionItem.sequenceNumber)
             }
         }
     }
 
+    Component {
+        id: entryArrow1Component
+
+        MapLineArrow {
+            fromCoord:      _transectPoints[_firstTrueTransectIndex]
+            toCoord:        _transectPoints[_firstTrueTransectIndex + 1]
+            exitPosition:   false
+            visible:        _currentItem
+        }
+    }
+
+    Component {
+        id: entryArrow2Component
+
+        MapLineArrow {
+            fromCoord:      _transectPoints[nextTrueTransectIndex]
+            toCoord:        _transectPoints[nextTrueTransectIndex + 1]
+            exitPosition:   false
+            visible:        _currentItem && _transectCount > 3
+
+            property int nextTrueTransectIndex: _firstTrueTransectIndex + (_hasTurnaround ? 4 : 2)
+        }
+    }
+
+    Component {
+        id: exitArrow1Component
+
+        MapLineArrow {
+            fromCoord:      _transectPoints[_lastTrueTransectIndex - 1]
+            toCoord:        _transectPoints[_lastTrueTransectIndex]
+            exitPosition:   true
+            visible:        _currentItem
+        }
+    }
+
+    Component {
+        id: exitArrow2Component
+
+        MapLineArrow {
+            fromCoord:      _transectPoints[prevTrueTransectIndex - 1]
+            toCoord:        _transectPoints[prevTrueTransectIndex]
+            exitPosition:   true
+            visible:        _currentItem && _transectCount > 3
+
+            property int prevTrueTransectIndex: _lastTrueTransectIndex - (_hasTurnaround ? 4 : 2)
+        }
+    }
+
     // Exit point
     Component {
         id: exitPointComponent
@@ -148,7 +193,6 @@ Item {
 
             sourceItem: MissionItemIndexLabel {
                 index:      _missionItem.lastSequenceNumber
-                label:      qsTr("Exit")
                 checked:    _missionItem.isCurrentItem
                 onClicked:  _root.clicked(_missionItem.sequenceNumber)
             }

src/QmlControls/QGroundControl/FlightMap/qmldir

@@ -10,6 +10,7 @@ CenterMapDropPanel      1.0 CenterMapDropPanel.qml
 CompassRing             1.0 CompassRing.qml
 InstrumentSwipeView     1.0 InstrumentSwipeView.qml
 MapFitFunctions         1.0 MapFitFunctions.qml
+MapLineArrow            1.0 MapLineArrow.qml
 MapScale                1.0 MapScale.qml
 QGCArtificialHorizon    1.0 QGCArtificialHorizon.qml
 QGCAttitudeHUD          1.0 QGCAttitudeHUD.qml