Animate 3D symbols

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Sample viewer app

Demonstrates how to animate a graphic's position and rotation and follow it using a OrbitGeoElementCameraController. Also shows how to combine a SceneView and MapView in an MVC application with property binding.

screenshot

Use case

Visualize movement through a 3D landscape.

How to use the sample

Animation Controls (Top Left Corner):

  • Select a mission -- selects a location with a route for the plane to fly
  • Play/Pause -- toggles playing and stopping the animation
  • Fixed/Follow -- toggles the camera's free cam mode and follow
  • Mission progress -- shows how far along the route the plane is. Slide to change keyframe in animation

Camera Controls (Top Right Corner):

  • Camare zoom -- distance between camera and plane
  • Camera angle -- viewing angle between camera and plane
  • Flight speed -- controls speed of animation

2D Map Controls (Bottom Left Corner):

  • Plus and Minus -- controls distance of 2D view from ground level

How it works

  1. Create a GraphicsOverlay and add it to the SceneView.
  2. Create a ModelSceneSymbol object.
  3. Create a Graphic object and set its geometry to a Point.
  4. Set the ModelSceneSymbol object to the graphic.
  5. Add heading, pitch, and roll attributes to the graphic. Get the attributes from the graphic with Graphic.attributes.
  6. Create a SimpleRenderer object and set its expression properties.
  7. Add graphic and a renderer to the graphics overlay.
  8. Create an OrbitGeoElementCameraController which is set to target the graphic.
  9. Assign the camera controller to the SceneView.
  10. Update the graphic's location, heading, pitch, and roll.

Relevant API

  • Camera
  • GlobeCameraController
  • Graphic
  • GraphicsOverlay
  • ModelSceneSymbol
  • OrbitGeoElementCameraController
  • Renderer
  • Scene
  • SceneProperties
  • SceneView
  • SurfacePlacement

Offline Data

Read more about how to set up the sample's offline data here.

Link Local Location
Model Marker Symbol Data <userhome>/ArcGIS/Runtime/Data/3D/Bristol/Collada/Bristol.dae
GrandCanyon.csv mission data <userhome>/ArcGIS/Runtime/Data/3D/Missions/GrandCanyon.csv
Hawaii.csv mission data <userhome>/ArcGIS/Runtime/Data/3D/Missions/Hawaii.csv
Pyrenees.csv mission data <userhome>/ArcGIS/Runtime/Data/3D/Missions/Pyrenees.csv
Snowdon.csv mission data <userhome>/ArcGIS/Runtime/Data/3D/Missions/Snowdon.csv

Tags

animation, camera, heading, pitch, roll, rotation, visualize

Sample Code

Animate3DSymbols.qmlLabeledSlider.qml
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
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// [WriteFile Name=Animate3DSymbols, Category=Scenes]
// [Legal]
// Copyright 2016 Esri.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]

import QtQuick 2.6
import QtQuick.Controls 2.2
import QtQuick.Layouts 1.3
import Esri.ArcGISRuntime 100.12
import Esri.ArcGISExtras 1.1

Rectangle {
    id: rootRectangle
    clip: true

    width: 800
    height: 600

    readonly property url dataPath: System.userHomePath +  "/ArcGIS/Runtime/Data/3D"
    readonly property string headingAtt: "heading";
    readonly property string pitchAtt: "pitch";
    readonly property string rollAtt: "roll";
    readonly property string attrFormat: "[%1]"
    property int missionSize: currentMissionModel.count
    property bool missionReady: missionSize > 0
    property alias following: followButton.checked

    property Graphic routeGraphic

    /**
     * Create SceneView that contains a Scene with the Imagery Basemap
     */

    // Create a scene view
    SceneView {
        id: sceneView
        anchors.fill: parent
        attributionTextVisible: (sceneView.width - mapView.width) > mapView.width // only show attribution text on the widest view

        cameraController: followButton.checked && missionReady ? followController : globeController

        // create a scene...scene is a default property of sceneview
        // and thus will get added to the sceneview
        Scene {
            // add a basemap
            Basemap {
                initStyle: Enums.BasemapStyleArcGISImageryStandard
            }

            // add a surface...surface is a default property of scene
            Surface {
                // add an arcgis tiled elevation source...elevation source is a default property of surface
                ArcGISTiledElevationSource {
                    url: "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"
                }
            }
        }

        GraphicsOverlay {
            id: sceneOverlay

            LayerSceneProperties {
                surfacePlacement: Enums.SurfacePlacementAbsolute
            }

            SimpleRenderer {
                id: sceneRenderer
                RendererSceneProperties {
                    id: renderProps
                    headingExpression: attrFormat.arg(headingAtt)
                    pitchExpression:  attrFormat.arg(pitchAtt)
                    rollExpression: attrFormat.arg(rollAtt)
                }
            }

            ModelSceneSymbol {
                id: mms
                url: dataPath + "/Bristol/Collada/Bristol.dae"
                scale: 10.0
                heading: 0.0
            }

            Graphic {
                id: graphic3d
                symbol: mms

                geometry: Point {
                    x: 0.
                    y: 0.
                    z: 100.
                    spatialReference: sceneView.spatialReference
                }

                Component.onCompleted: {
                    graphic3d.attributes.insertAttribute(headingAtt, 0.);
                    graphic3d.attributes.insertAttribute(rollAtt, 0.);
                    graphic3d.attributes.insertAttribute(pitchAtt, 0.);
                }
            }
        }

        GridLayout {
            anchors {
                left: parent.left
                right: parent.right
                top: parent.top
                bottom: sceneView.attributionTop
                margins: 10
            }

            columns: 2

            ComboBox {
                id: missionList
                property real modelWidth: 0
                Layout.minimumWidth: leftPadding + rightPadding + indicator.width + modelWidth
                enabled: !playButton.checked
                model: missionsModel
                textRole: "name"

                onModelChanged: {
                    for (let i = 0; i < missionsModel.count; ++i) {
                        textMetrics.text = missionsModel.get(i).name;
                        modelWidth = Math.max(modelWidth, textMetrics.width);
                    }
                }

                onCurrentTextChanged: {
                    changeMission(currentText);
                    progressSlider.value = 0;
                }

                TextMetrics {
                    id: textMetrics
                    font: missionList.font
                }

                Component.onCompleted: missionList.currentTextChanged()
            }

            LabeledSlider {
                id: cameraDistance
                Layout.alignment: Qt.AlignRight
                from: followController.minCameraDistance
                to: 5000.0
                value: 500.0
                text: "zoom"
            }

            RowLayout {
                Button {
                    id: playButton
                    checked: false
                    checkable: true
                    enabled: missionReady
                    text: checked ? "pause" : "play"
                }

                Button {
                    id: followButton
                    Layout.alignment: Qt.AlignRight
                    enabled: missionReady
                    text: checked? "fixed" : "follow "
                    checked: true
                    checkable: true
                }
            }

            LabeledSlider {
                id: cameraAngle
                Layout.alignment: Qt.AlignRight
                from: 0
                to: 180.0
                value: 45.0
                text: "angle"
            }

            LabeledSlider {
                id: progressSlider
                from: 0
                to: missionSize
                enabled : missionReady
                text: (value / missionSize * 100).toLocaleString(Qt.locale(), 'f', 0) + "%"
                handleWidth: progressMetrics.width
                TextMetrics {
                    id: progressMetrics
                    font: progressSlider.font
                    text: "100%"
                }
            }

            LabeledSlider {
                id: animationSpeed
                Layout.alignment: Qt.AlignRight
                from: 1
                to: 100
                value: 50
                text: "speed"
            }

            Rectangle {
                id: mapFrame
                Layout.columnSpan: 2
                Layout.alignment: Qt.AlignLeft | Qt.AlignBottom
                Layout.minimumHeight: parent.height * 0.25
                Layout.minimumWidth: parent.width * 0.3
                color: "black"
                clip: true

                MapView {
                    id: mapView
                    objectName: "mapView"
                    anchors {
                        fill: parent
                        margins: 2
                    }

                    Map {
                        Basemap {
                            initStyle: Enums.BasemapStyleArcGISImageryStandard
                        }
                    }

                    GraphicsOverlay {
                        id: graphicsOverlay
                        Graphic {
                            id: graphic2d
                            symbol: plane2DSymbol
                        }
                    }

                    MouseArea {
                        anchors.fill: parent
                        onPressed: mouse.accepted
                        onWheel: wheel.accepted
                    }
                }

                RowLayout {
                    anchors {
                        left: parent.left
                        top: parent.top
                    }
                    spacing: 10

                    Rectangle {
                        Layout.margins: 5
                        height: width
                        width: childrenRect.width
                        clip: true
                        radius: 5

                        opacity: 0.9
                        Image {
                            source: "qrc:/Samples/Scenes/Animate3DSymbols/plus-16-f.png"
                            width: 24
                            height: width

                            MouseArea {
                                anchors.fill: parent
                                onClicked: zoomMapIn()
                            }
                        }
                    }

                    Rectangle {
                        Layout.margins: 5
                        height: width
                        width: childrenRect.width
                        opacity: 0.9
                        clip: true
                        radius: 5

                        Image {
                            source: "qrc:/Samples/Scenes/Animate3DSymbols/minus-16-f.png"
                            width: 24
                            height: width
                            MouseArea {
                                anchors.fill: parent
                                onClicked: zoomMapOut()
                            }
                        }
                    }
                }
            }
        }
    }

    GlobeCameraController {
        id: globeController
    }

    OrbitGeoElementCameraController {
        id: followController
        targetGeoElement: graphic3d
        cameraDistance: cameraDistance.value
        cameraPitchOffset: cameraAngle.value
    }

    ListModel {
        id: missionsModel
        ListElement{ name: "Grand Canyon"}
        ListElement{ name: "Hawaii"}
        ListElement{ name: "Pyrenees"}
        ListElement{ name: "Snowdon"}
    }

    ListModel {
        id: currentMissionModel
    }


    SimpleLineSymbol {
        id: routeSymbol
        style: Enums.SimpleLineSymbolStyleSolid
        color: Qt.rgba(1.0, 0.0, 0.0, 1)
        width: 1
        antiAlias: true
    }

    SimpleMarkerSymbol {
        id: plane2DSymbol
        style: Enums.SimpleMarkerSymbolStyleTriangle
        color: "blue"
        size: 10
    }

    Timer {
        id: timer
        interval: 16.0 + 84 * (animationSpeed.to - animationSpeed.value) / 100.0;
        running: playButton.checked;
        repeat: true
        onTriggered: animate();
    }

    FileFolder {
        id: missionsFolder
        path: System.resolvedPath(dataPath) + "/Missions/"
    }

    function changeMission(missionName) {
        currentMissionModel.clear();
        progressSlider.value = 0;
        if (!missionsFolder.exists)
            return;

        const fileName = missionName.replace(/\s/g, '') + ".csv";
        const fileContents = missionsFolder.readTextFile(fileName);
        const lines = fileContents.split("\n");
        for (let i = 0; i < lines.length; i++) {
            const dataParts = lines[i].split(",");
            if (dataParts.length !== 6)
                continue;

            currentMissionModel.append({
                                           "lon":dataParts[0],
                                           "lat":dataParts[1],
                                           "elevation":dataParts[2],
                                           "heading":dataParts[3],
                                           "pitch":dataParts[4],
                                           "roll":dataParts[5],
                                       })
        }

        if (missionSize === 0)
            return;

        // create polyline builder and fill with points
        // for the mission polyline
        const rtBldr = ArcGISRuntimeEnvironment.createObject("PolylineBuilder", {spatialReference: Factory.SpatialReference.createWgs84()});
        for (let j = 0; j < currentMissionModel.count; j++) {
            const missionData = currentMissionModel.get(j);
            rtBldr.addPointXY(missionData.lon, missionData.lat);
        }

        const firstData = currentMissionModel.get(0);
        const firstPos = createPoint(firstData);

        // update model graphic's attributes
        graphic3d.attributes.replaceAttribute(headingAtt, firstData.heading);
        graphic3d.attributes.replaceAttribute(rollAtt, firstData.roll);
        graphic3d.attributes.replaceAttribute(pitchAtt, firstData.pitch);

        // update model graphic's geomtry
        graphic3d.geometry = firstPos;

        // update the 2d graphic
        graphic2d.geometry = firstPos;
        plane2DSymbol.angle = firstData.heading;

        if (!routeGraphic) {
            // create route graphic with the route symbol
            routeGraphic = ArcGISRuntimeEnvironment.createObject("Graphic");
            routeGraphic.symbol = routeSymbol;

            // add route graphic to the graphics overlay
            graphicsOverlay.graphics.insert(0, routeGraphic);
        }

        // update route graphic's geomtry
        routeGraphic.geometry = rtBldr.geometry;

        mapView.setViewpointGeometryAndPadding(routeGraphic.geometry, 30);
    }

    function animate() {
        if (progressSlider.value < missionSize ) {
            const missionData = currentMissionModel.get(progressSlider.value);
            const newPos = createPoint(missionData);

            graphic3d.geometry = newPos;
            graphic3d.attributes.replaceAttribute(headingAtt, missionData.heading);
            graphic3d.attributes.replaceAttribute(pitchAtt, missionData.pitch);
            graphic3d.attributes.replaceAttribute(rollAtt, missionData.roll);

            // update the 2d graphic
            graphic2d.geometry = newPos;
            plane2DSymbol.angle = missionData.heading;
        }

        nextFrameRequested();
    }

    function zoomMapIn(){
        mapView.setViewpointScale(mapView.mapScale / 5.0);
    }

    function zoomMapOut(){
        mapView.setViewpointScale(mapView.mapScale * 5.0);
    }

    function nextFrameRequested() {
        progressSlider.value = progressSlider.value + 1;
        if (progressSlider.value >= missionSize)
            progressSlider.value = 0;
    }

    function createPoint(missionData) {
        return ArcGISRuntimeEnvironment.createObject(
                    "Point", {
                        x: missionData.lon,
                        y: missionData.lat,
                        z: missionData.elevation,
                        spatialReference: Factory.SpatialReference.createWgs84()
                    });
    }
}

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