FlyViewGeo.qml

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/****************************************************************************
 *
 * (c) 2009-2024 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
 
import QGroundControl
import QGroundControl.Controls
import QGroundControl.GeoMap
 
/// Experimental 2D/3D map view (preview feature): the GeoMap-engine
/// counterpart of FlyView. View chrome around a FlyViewGeoMap.
Item {
    id: root
 
    QGCPalette { id: qgcPal }
 
    Rectangle {
        id: toolbar
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.top: parent.top
        height: ScreenTools.toolbarHeight
        color: qgcPal.toolbarBackground
 
        QGCToolBarButton {
            objectName: "toolbar_qgcLogo"
            height: parent.height
            icon.source: "/res/QGCLogoFull.svg"
            logo: true
            onClicked: mainWindow.showToolSelectDialog()
        }
 
        QGCLabel {
            anchors.centerIn: parent
            text: qsTr("GeoView (preview)")
            font.pointSize: ScreenTools.largeFontPointSize
        }
    }
 
    // The 3D scene only exists while this is the active view: View3D
    // costs RHI/scene-graph resources even when hidden.
    Loader {
        id: sceneLoader
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.top: toolbar.bottom
        anchors.bottom: parent.bottom
        active: root.visible
        sourceComponent: Item {
            FlyViewGeoMap {
                id: geoMap
                anchors.fill: parent
            }
 
            // Bottom-left overlay: dataset attribution (required by the terrain
            // tiles' terms) plus live SurfaceModel stats for manual verification;
            // last line adds the perf counters while Stats is on
            Rectangle {
                anchors.left: parent.left
                anchors.bottom: parent.bottom
                anchors.margins: ScreenTools.defaultFontPixelWidth / 2
                width: debugOverlayLabel.implicitWidth + ScreenTools.defaultFontPixelWidth
                height: debugOverlayLabel.implicitHeight + ScreenTools.defaultFontPixelWidth
                radius: ScreenTools.defaultFontPixelWidth / 2
                color: Qt.rgba(0, 0, 0, 0.5)
 
                QGCLabel {
                    id: debugOverlayLabel
                    objectName: "flyViewGeoDebugOverlay"
                    anchors.centerIn: parent
                    font.family: ScreenTools.fixedFontFamily
                    color: "white"
                    text: qsTr("Terrain: Mapzen/Tilezen Terrain Tiles — SRTM (NASA), 3DEP (USGS), GMTED2010, ETOPO1 (NOAA)")
                          + "\n" + qsTr("patches: %1  pending: %2  max zoom: %3")
                              .arg(geoMap.patchCount)
                              .arg(geoMap.pendingCount)
                              .arg(geoMap.maxZoomLevel)
                          + (geoMap.modelStats !== "" ? "\n" + geoMap.modelStats : "")
                }
            }
 
            Column {
                anchors.right: parent.right
                anchors.top: parent.top
                anchors.margins: ScreenTools.defaultFontPixelWidth
                spacing: ScreenTools.defaultFontPixelHeight / 2
 
                // 2D<->3D mode switch: the mode flips immediately (2D locks tilt
                // gestures); GeoMap's mode-change handler animates tilt and terrain
                QGCButton {
                    objectName: "flyViewGeoModeButton"
                    text: geoMap.camera.mode === GeoMapCamera.Mode2D ? qsTr("3D") : qsTr("2D")
                    onClicked: geoMap.camera.mode = (geoMap.camera.mode === GeoMapCamera.Mode2D)
                                   ? GeoMapCamera.Mode3D : GeoMapCamera.Mode2D
                }
 
                // Compass: needle tracks heading, click animates back to north-up
                QGCButton {
                    objectName: "flyViewGeoCompassButton"
                    text: qsTr("N")
                    rotation: -geoMap.camera.heading
                    onClicked: geoMap.animateHeadingToNorth()
                }
 
                // Diagnostic: report holes, terrain cliffs, and bad height
                // data to the debug output
                QGCButton {
                    objectName: "flyViewGeoAnalyzeButton"
                    text: qsTr("Analyze")
                    onClicked: geoMap.analyzeSurface()
                }
 
                // Render-statistics overlay toggle (perf diagnostics)
                QGCButton {
                    objectName: "flyViewGeoStatsButton"
                    text: qsTr("Stats")
                    onClicked: geoMap.renderStats = !geoMap.renderStats
                }
 
                // Perf capture: records per-second counters; the CSV path
                // shows in the debug overlay when stopped
                QGCButton {
                    objectName: "flyViewGeoRecordButton"
                    text: geoMap.perfCapturing ? qsTr("Stop") : qsTr("Record")
                    onClicked: geoMap.perfCapturing ? geoMap.stopPerfCapture() : geoMap.startPerfCapture()
                }
            }
        }
    }
}