Scene properties expressions

// [WriteFile Name=ScenePropertiesExpressions, Category=Scenes]
// [Legal]
// Copyright 2019 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]

#ifdef PCH_BUILD
#include "pch.hpp"
#endif // PCH_BUILD

// sample headers
#include "ScenePropertiesExpressions.h"

// ArcGIS Maps SDK headers
#include "ArcGISTiledElevationSource.h"
#include "AttributeListModel.h"
#include "Basemap.h"
#include "Camera.h"
#include "ElevationSourceListModel.h"
#include "Graphic.h"
#include "GraphicListModel.h"
#include "GraphicsOverlay.h"
#include "GraphicsOverlayListModel.h"
#include "LayerSceneProperties.h"
#include "MapTypes.h"
#include "Point.h"
#include "RendererSceneProperties.h"
#include "Scene.h"
#include "SceneQuickView.h"
#include "SceneViewTypes.h"
#include "SimpleMarkerSceneSymbol.h"
#include "SimpleRenderer.h"
#include "SpatialReference.h"
#include "Surface.h"
#include "SymbolTypes.h"

using namespace Esri::ArcGISRuntime;

namespace
{
  const QString HEADING("HEADING");
  const QString PITCH("PITCH");
}

ScenePropertiesExpressions::ScenePropertiesExpressions(QObject* parent /* = nullptr */):
  QObject(parent),
  m_scene(new Scene(BasemapStyle::ArcGISImageryStandard, this))
{
  // create a new elevation source from Terrain3D REST service
  ArcGISTiledElevationSource* elevationSource = new ArcGISTiledElevationSource(
        QUrl("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"), this);

  // add the elevation source to the scene to display elevation
  m_scene->baseSurface()->elevationSources()->append(elevationSource);

  m_graphicsOverlay = new GraphicsOverlay(this);
  m_graphicsOverlay->setSceneProperties(LayerSceneProperties(SurfacePlacement::Relative));

  // Create a SimpleRenderer and set expressions on its scene properties.
  // Then, set the renderer to the graphics overlay with GraphicsOverlay.setRenderer(renderer).
  SimpleRenderer* renderer3D = new SimpleRenderer(this);
  RendererSceneProperties renderProperties = renderer3D->sceneProperties();
  renderProperties.setHeadingExpression(QString("[%1]").arg(HEADING));
  renderProperties.setPitchExpression(QString("[%1]").arg(PITCH));
  renderer3D->setSceneProperties(renderProperties);
  m_graphicsOverlay->setRenderer(renderer3D);
}

ScenePropertiesExpressions::~ScenePropertiesExpressions() = default;

void ScenePropertiesExpressions::init()
{
  // Register classes for QML
  qmlRegisterType<SceneQuickView>("Esri.Samples", 1, 0, "SceneView");
  qmlRegisterType<ScenePropertiesExpressions>("Esri.Samples", 1, 0, "ScenePropertiesExpressionsSample");
}

SceneQuickView* ScenePropertiesExpressions::sceneView() const
{
  return m_sceneView;
}

// Set the view (created in QML)
void ScenePropertiesExpressions::setSceneView(SceneQuickView* sceneView)
{
  if (!sceneView || sceneView == m_sceneView)
  {
    return;
  }

  m_sceneView = sceneView;
  m_sceneView->setArcGISScene(m_scene);

  // create a camera
  const double latitude = 32.09;
  const double longitude = -118.71;
  const double altitude = 100000.0;
  const double heading = 0.0;
  const double pitch = 45.0;
  const double roll = 0.0;
  const int coneDimension = 10000;

  Camera camera(latitude - 1.0, // place the camera arbitrarily south of the cone
                longitude,
                altitude * 2, // place the camera arbitrarily higher than the cone
                heading,
                pitch,
                roll);

  // set the viewpoint
  m_sceneView->setViewpointCameraAndWait(camera);

  // add the graphics overlay to the scene view
  m_sceneView->graphicsOverlays()->append(m_graphicsOverlay);

  // create a scene symbol based on the current type
  SimpleMarkerSceneSymbol* smss = new SimpleMarkerSceneSymbol(SimpleMarkerSceneSymbolStyle::Cone, QColor("red"), 200, 200, 200, SceneSymbolAnchorPosition::Center, this);
  smss->setWidth(coneDimension);
  smss->setDepth(coneDimension);
  smss->setHeight(coneDimension * 2);

  // create a graphic using the symbol above and a point location
  m_graphic = new Graphic(Point(longitude, latitude, altitude, m_sceneView->spatialReference()), smss, this);
  m_graphic->attributes()->insertAttribute(HEADING, 0);
  m_graphic->attributes()->insertAttribute(PITCH, 0);

  // add the graphic to the graphics overlay
  m_graphicsOverlay->graphics()->append(m_graphic);

  emit sceneViewChanged();
}

void ScenePropertiesExpressions::setPitch(double pitchInDegrees)
{
  m_graphic->attributes()->replaceAttribute(PITCH, pitchInDegrees);

  emit pitchChanged();
}

double ScenePropertiesExpressions::pitch() const
{
  return m_graphic->attributes()->attributeValue(PITCH).toDouble();
}

void ScenePropertiesExpressions::setHeading(double headingInDegrees)
{
  m_graphic->attributes()->replaceAttribute(HEADING, headingInDegrees);

  emit headingChanged();
}

double ScenePropertiesExpressions::heading() const
{
  return m_graphic->attributes()->attributeValue(HEADING).toDouble();
}

// [WriteFile Name=ScenePropertiesExpressions, Category=Scenes]
// [Legal]
// Copyright 2019 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]

#ifndef SCENEPROPERTIESEXPRESSIONS_H
#define SCENEPROPERTIESEXPRESSIONS_H

// Qt headers
#include <QObject>

namespace Esri::ArcGISRuntime
{
class Graphic;
class GraphicsOverlay;
class Scene;
class SceneQuickView;
}

Q_MOC_INCLUDE("SceneQuickView.h")

class ScenePropertiesExpressions : public QObject
{
  Q_OBJECT

  Q_PROPERTY(Esri::ArcGISRuntime::SceneQuickView* sceneView READ sceneView WRITE setSceneView NOTIFY sceneViewChanged)
  Q_PROPERTY(double pitch READ pitch WRITE setPitch NOTIFY pitchChanged)
  Q_PROPERTY(double heading READ heading WRITE setHeading NOTIFY headingChanged)

public:
  explicit ScenePropertiesExpressions(QObject* parent = nullptr);
  ~ScenePropertiesExpressions();

  static void init();

signals:
  void sceneViewChanged();
  void pitchChanged();
  void headingChanged();

private:
  Esri::ArcGISRuntime::SceneQuickView* sceneView() const;
  void setSceneView(Esri::ArcGISRuntime::SceneQuickView* sceneView);
  void setPitch(double pitchInDegress);
  double pitch() const;
  void setHeading(double headingInDegrees);
  double heading() const;

  Esri::ArcGISRuntime::Scene* m_scene = nullptr;
  Esri::ArcGISRuntime::SceneQuickView* m_sceneView = nullptr;
  Esri::ArcGISRuntime::Graphic* m_graphic = nullptr;
  Esri::ArcGISRuntime::GraphicsOverlay* m_graphicsOverlay;
};

#endif // SCENEPROPERTIESEXPRESSIONS_H

// [WriteFile Name=ScenePropertiesExpressions, Category=Scenes]
// [Legal]
// Copyright 2019 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
import QtQuick.Controls
import QtQuick.Layouts
import Esri.Samples

Item {
    id: root
    width: 800
    height: 800

    SceneView {
        id: sceneView
        anchors.fill: parent
        objectName: "sceneView"

        Component.onCompleted: {
            // Set the focus on SceneView to initially enable keyboard navigation
            forceActiveFocus();
        }
    }

    Rectangle {
        anchors.fill: sliderColumn
        color: "lightblue"
    }

    Column{
        id: sliderColumn

        spacing: 4

        anchors {
            left: parent.left
            top: parent.top
        }

        height: childrenRect.height

        Text {
            anchors {
                margins: 5
            }
            text: "pitch : " + model.pitch.toFixed(0)
            font.pixelSize: 20
            verticalAlignment: Text.AlignTop
        }

        Slider{
            id: pitchSlider
            opacity: 0.7
            height: 64

            // slider controls degrees of rotation:
            from: -90
            to: 90
            value: 90
            anchors {
                margins: 5
            }
        }

        Text {
            anchors {
                margins: 5
            }
            text: "heading: " + model.heading.toFixed(0)
            verticalAlignment: Text.AlignTop
            font.pixelSize: 20
        }

        Slider{
            id: headingSlider
            opacity: 0.7
            height: 64

            // slider controls degrees of rotation:
            from: 0
            to: 360
            value: 180
            anchors {
                margins: 5
            }
        }
    }

    // Declare the C++ instance which creates the scene etc. and supply the view
    ScenePropertiesExpressionsSample {
        id: model
        sceneView: sceneView
        pitch: pitchSlider.value
        heading: headingSlider.value
    }
}

// [Legal]
// Copyright 2019 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]

// sample headers
#include "ScenePropertiesExpressions.h"

// ArcGIS Maps SDK headers
#include "ArcGISRuntimeEnvironment.h"

// Qt headers
#include <QDir>
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QSurfaceFormat>

// Platform specific headers
#ifdef Q_OS_WIN
#include <Windows.h>
#endif

#define STRINGIZE(x) #x
#define QUOTE(x) STRINGIZE(x)

int main(int argc, char *argv[])
{
  Esri::ArcGISRuntime::ArcGISRuntimeEnvironment::setUseLegacyAuthentication(false);
#if defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
  // Linux requires 3.2 OpenGL Context
  // in order to instance 3D symbols
  QSurfaceFormat fmt = QSurfaceFormat::defaultFormat();
  fmt.setVersion(3, 2);
  QSurfaceFormat::setDefaultFormat(fmt);
#endif

  QGuiApplication app(argc, argv);
  app.setApplicationName(QString("ScenePropertiesExpressions"));

  // Use of ArcGIS location services, such as basemap styles, geocoding, and routing services,
  // requires an access token. For more information see
  // https://links.esri.com/arcgis-runtime-security-auth.

  // The following methods grant an access token:

  // 1. User authentication: Grants a temporary access token associated with a user's ArcGIS account.
  // To generate a token, a user logs in to the app with an ArcGIS account that is part of an
  // organization in ArcGIS Online or ArcGIS Enterprise.

  // 2. API key authentication: Get a long-lived access token that gives your application access to
  // ArcGIS location services. Go to the tutorial at https://links.esri.com/create-an-api-key.
  // Copy the API Key access token.

  const QString accessToken = QString("");

  if (accessToken.isEmpty())
  {
      qWarning() << "Use of ArcGIS location services, such as the basemap styles service, requires" <<
                    "you to authenticate with an ArcGIS account or set the API Key property.";
  }
  else
  {
      Esri::ArcGISRuntime::ArcGISRuntimeEnvironment::setApiKey(accessToken);
  }

  // Initialize the sample
  ScenePropertiesExpressions::init();

  QString arcGISRuntimeImportPath = QUOTE(ARCGIS_RUNTIME_IMPORT_PATH);

#if defined(LINUX_PLATFORM_REPLACEMENT)
  // on some linux platforms the string 'linux' is replaced with 1
  // fix the replacement paths which were created
  QString replaceString = QUOTE(LINUX_PLATFORM_REPLACEMENT);
  arcGISRuntimeImportPath = arcGISRuntimeImportPath.replace(replaceString, "linux", Qt::CaseSensitive);
#endif

  // Initialize application view
  QQmlApplicationEngine engine;
  // Add the import Path
  engine.addImportPath(QDir(QCoreApplication::applicationDirPath()).filePath("qml"));
  // Add the Runtime and Extras path
  engine.addImportPath(arcGISRuntimeImportPath);

  // Set the source
  engine.load(QUrl("qrc:/Samples/Scenes/ScenePropertiesExpressions/main.qml"));

  return app.exec();
}

// Copyright 2018 ESRI
//
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
//
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
//
// See the Sample code usage restrictions document for further information.
//

import QtQuick.Controls
import Esri.Samples

ApplicationWindow {
    visible: true
    width: 800
    height: 600

    ScenePropertiesExpressions {
        anchors.fill: parent
    }
}