Feature layer extrusion

// [WriteFile Name=FeatureLayerExtrusion, Category=Scenes]
// [Legal]
// Copyright 2017 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 "FeatureLayerExtrusion.h"

// ArcGIS Maps SDK headers
#include "ArcGISTiledElevationSource.h"
#include "Camera.h"
#include "ElevationSourceListModel.h"
#include "FeatureLayer.h"
#include "LayerListModel.h"
#include "MapTypes.h"
#include "Point.h"
#include "RendererSceneProperties.h"
#include "Scene.h"
#include "SceneQuickView.h"
#include "SceneViewTypes.h"
#include "ServiceFeatureTable.h"
#include "SimpleFillSymbol.h"
#include "SimpleLineSymbol.h"
#include "SimpleRenderer.h"
#include "SpatialReference.h"
#include "Surface.h"
#include "SymbolTypes.h"
#include "Viewpoint.h"

using namespace Esri::ArcGISRuntime;

FeatureLayerExtrusion::FeatureLayerExtrusion(QQuickItem* parent /* = nullptr */):
  QQuickItem(parent),
  // define line and fill symbols for a simple renderer
  m_lineSymbol(new SimpleLineSymbol(SimpleLineSymbolStyle::Solid, QColor("Black"), 1.0f, this)),
  m_fillSymbol(new SimpleFillSymbol(SimpleFillSymbolStyle::Solid, QColor("Blue"), m_lineSymbol, this)),
  m_renderer(new SimpleRenderer(m_fillSymbol, this))
{
  // set renderer extrusion mode to absolute to prevent clipping
  RendererSceneProperties props = m_renderer->sceneProperties();
  props.setExtrusionMode(ExtrusionMode::AbsoluteHeight);
  props.setExtrusionExpression("[POP2007] / 10");
  m_renderer->setSceneProperties(props);
}

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

void FeatureLayerExtrusion::componentComplete()
{
  QQuickItem::componentComplete();

  // Create the feature service to use
  m_featureTable = new ServiceFeatureTable(QUrl("https://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/3"), this);

  // add the service feature table to a feature layer
  m_featureLayer = new FeatureLayer(m_featureTable, this);

  // set the feature layer to render dynamically to allow extrusion
  m_featureLayer->setRenderingMode(FeatureRenderingMode::Dynamic);

  // set the simple renderer to the feature layer
  m_featureLayer->setRenderer(m_renderer);

  // Create a scene and give it to the SceneView
  m_sceneView = findChild<SceneQuickView*>("sceneView");
  Scene* scene = new Scene(BasemapStyle::ArcGISImageryStandard, this);
  Surface* surface = new Surface(this);
  surface->elevationSources()->append(
        new ArcGISTiledElevationSource(
          QUrl("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"),
          this));
  scene->setBaseSurface(surface);
  scene->operationalLayers()->append(m_featureLayer);

  // set initial viewpoint
  const double distance = 12940924;
  const Point lookAtPoint(-99.659448, 20.513652, distance, SpatialReference::wgs84());
  const Camera camera(lookAtPoint, 0, 15, 0);
  const Viewpoint initialVp(lookAtPoint, distance, camera);
  scene->setInitialViewpoint(initialVp);

  // apply initial extrusion
  totalPopulation();

  m_sceneView->setArcGISScene(scene);
}

void FeatureLayerExtrusion::popDensity()
{
  // multiply population density by 5000 to make data legible
  RendererSceneProperties props = m_renderer->sceneProperties();
  props.setExtrusionExpression("([POP07_SQMI] * 5000) + 100000");
  m_renderer->setSceneProperties(props);
}

void FeatureLayerExtrusion::totalPopulation()
{
  // divide total population by 10 to make data legible
  RendererSceneProperties props = m_renderer->sceneProperties();
  props.setExtrusionExpression("[POP2007] / 10");
  m_renderer->setSceneProperties(props);
}

// [WriteFile Name=FeatureLayerExtrusion, Category=Scenes]
// [Legal]
// Copyright 2017 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 FEATURELAYEREXTRUSION_H
#define FEATURELAYEREXTRUSION_H

// ArcGIS Maps SDK headers
#include "Camera.h"
#include "Point.h"

// Qt headers
#include <QQuickItem>

namespace Esri::ArcGISRuntime
{
class FeatureLayer;
class ServiceFeatureTable;
class SceneQuickView;
class OrbitLocationCameraController;
class SimpleLineSymbol;
class SimpleFillSymbol;
class SimpleRenderer;
enum class FeatureRenderingMode;
}

class FeatureLayerExtrusion : public QQuickItem
{
  Q_OBJECT

public:
  explicit FeatureLayerExtrusion(QQuickItem* parent = nullptr);
  ~FeatureLayerExtrusion() override = default;

  void componentComplete() override;
  static void init();
  Q_INVOKABLE void popDensity();
  Q_INVOKABLE void totalPopulation();

private:
  Esri::ArcGISRuntime::SceneQuickView* m_sceneView = nullptr;
  Esri::ArcGISRuntime::FeatureLayer* m_featureLayer = nullptr;
  Esri::ArcGISRuntime::ServiceFeatureTable* m_featureTable = nullptr;
  Esri::ArcGISRuntime::SimpleLineSymbol* m_lineSymbol = nullptr;
  Esri::ArcGISRuntime::SimpleFillSymbol* m_fillSymbol = nullptr;
  Esri::ArcGISRuntime::SimpleRenderer* m_renderer = nullptr;
  bool m_showTotalPopulation = true;

};

#endif // FEATURELAYEREXTRUSION_H

// [WriteFile Name=FeatureLayerExtrusion, Category=Scenes]
// [Legal]
// Copyright 2017 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 Esri.Samples

FeatureLayerExtrusionSample {
    id: rootRectangle
    clip: true
    width: 800
    height: 600

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

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

        // combo box to update the extrusion
        ComboBox {
            id: popCombo
            anchors {
                top: parent.top
                left: parent.left
                margins: 10
            }

            property int modelWidth: 0
            width: modelWidth + leftPadding + rightPadding + (indicator ? indicator.width : 10)

            // Add a background to the ComboBox
            Rectangle {
                anchors.fill: parent
                radius: 10
                // Make the rectangle visible if a dropdown indicator exists
                // An indicator only exists if a theme is set
                visible: parent.indicator
                border.width: 1
            }

            model: ["TOTAL POPULATION", "POPULATION DENSITY"]

            onCurrentTextChanged: {
                if (currentText === "TOTAL POPULATION")
                    totalPopulation();
                else
                    popDensity();
            }

            Component.onCompleted : {
                for (let i = 0; i < model.length; ++i) {
                    metrics.text = model[i];
                    modelWidth = Math.max(modelWidth, metrics.width);
                }
            }
            TextMetrics {
                id: metrics
                font: popCombo.font
            }
        }
    }
}

// [Legal]
// Copyright 2017 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 "FeatureLayerExtrusion.h"

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

// Qt headers
#include <QCommandLineParser>
#include <QDir>
#include <QGuiApplication>
#include <QQmlEngine>
#include <QQuickView>
#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("FeatureLayerExtrusion"));

  // 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
    FeatureLayerExtrusion::init();

    // Initialize application view
    QQuickView view;
    view.setResizeMode(QQuickView::SizeRootObjectToView);

    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

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

    // Set the source
    view.setSource(QUrl("qrc:/Samples/Scenes/FeatureLayerExtrusion/FeatureLayerExtrusion.qml"));

    view.show();

    return app.exec();
}