Distance composite symbol

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// [WriteFile Name=DistanceCompositeSymbol, 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]

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

// sample headers
#include "DistanceCompositeSymbol.h"

// ArcGIS Maps SDK headers
#include "ArcGISTiledElevationSource.h"
#include "Basemap.h"
#include "DistanceCompositeSceneSymbol.h"
#include "ElevationSourceListModel.h"
#include "Graphic.h"
#include "GraphicListModel.h"
#include "GraphicsOverlay.h"
#include "GraphicsOverlayListModel.h"
#include "LayerSceneProperties.h"
#include "MapTypes.h"
#include "ModelSceneSymbol.h"
#include "OrbitGeoElementCameraController.h"
#include "Point.h"
#include "Scene.h"
#include "SceneQuickView.h"
#include "SceneViewTypes.h"
#include "SimpleMarkerSceneSymbol.h"
#include "SimpleMarkerSymbol.h"
#include "SpatialReference.h"
#include "Surface.h"
#include "SymbolTypes.h"

// Qt headers
#include <QStandardPaths>
#include <QtCore/qglobal.h>

using namespace Esri::ArcGISRuntime;

// helper method to get cross platform data path
namespace
{
  QString defaultDataPath()
  {
    QString dataPath;

  #ifdef Q_OS_IOS
    dataPath = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
  #else
    dataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
  #endif

    return dataPath;
  }
} // namespace

DistanceCompositeSymbol::DistanceCompositeSymbol(QQuickItem* parent) :
  QQuickItem(parent)
{
}

DistanceCompositeSymbol::~DistanceCompositeSymbol() = default;

void DistanceCompositeSymbol::init()
{
  qmlRegisterType<SceneQuickView>("Esri.Samples", 1, 0, "SceneView");
  qmlRegisterType<DistanceCompositeSymbol>("Esri.Samples", 1, 0, "DistanceCompositeSymbolSample");
}

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

  // get the data path
  const QString dataPath = defaultDataPath() + "/ArcGIS/Runtime/Data/3D/Bristol/Collada/Bristol.dae";

  // find QML SceneView component
  m_sceneView = findChild<SceneQuickView*>("sceneView");

  // create a new basemap instance
  Basemap* basemap = new Basemap(BasemapStyle::ArcGISImageryStandard, this);
  // create a new scene instance
  m_scene = new Scene(basemap, this);
  // set scene on the scene view
  m_sceneView->setArcGISScene(m_scene);

  // create a new elevation source
  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);

  // create a camera
  const Point point(-2.708471, 56.096575, 5000, m_sceneView->spatialReference());

  // create a new graphics overlay and add it to the sceneview
  GraphicsOverlay* graphicsOverlay = new GraphicsOverlay(this);
  graphicsOverlay->setSceneProperties(LayerSceneProperties(SurfacePlacement::Relative));
  m_sceneView->graphicsOverlays()->append(graphicsOverlay);

  //! [create model scene symbol]
  constexpr float scale = 5.0f;
  ModelSceneSymbol* mms = new ModelSceneSymbol(QUrl(dataPath), scale, this);
  mms->setHeading(180);
  //! [create model scene symbol]

  connect(mms, &ModelSceneSymbol::loadStatusChanged, this, [mms, point, graphicsOverlay, this](){
    if (mms->loadStatus() == LoadStatus::Loaded)
    {
      SimpleMarkerSymbol* sms = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle::Circle, QColor("red"), 10.0f, this);
      //! [create simple marker scene symbol]
      const SimpleMarkerSceneSymbolStyle style = SimpleMarkerSceneSymbolStyle::Cone;
      const QColor color("red");
      constexpr double height = 75.0;
      constexpr double width = 75.0;
      constexpr double depth = 75.0;
      const SceneSymbolAnchorPosition anchorPosition = SceneSymbolAnchorPosition::Bottom;
      SimpleMarkerSceneSymbol* smss = new SimpleMarkerSceneSymbol(style, color, height, width, depth, anchorPosition, this);
      //! [create simple marker scene symbol]

      //! [create distance symbol ranges with each symbol type and a distance range(meters)]
      DistanceSymbolRange* dsrModel = new DistanceSymbolRange(mms, 0, 999, this); // ModelSceneSymbol
      DistanceSymbolRange* dsrCone = new DistanceSymbolRange(smss, 1000, 1999, this); // SimpleMarkerSceneSymbol
      DistanceSymbolRange* dsrCircle = new DistanceSymbolRange(sms, 2000, 0, this); // SimpleMarkerSymbol

      DistanceCompositeSceneSymbol* compositeSceneSymbol = new DistanceCompositeSceneSymbol(this);

      compositeSceneSymbol->ranges()->append(dsrModel);
      compositeSceneSymbol->ranges()->append(dsrCone);
      compositeSceneSymbol->ranges()->append(dsrCircle);
      //! [create distance symbol ranges with each symbol type and a distance range(meters)]

      // create a graphic using the composite symbol
      Graphic* graphic = new Graphic(point, compositeSceneSymbol, this);

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

      // add an orbit camera controller to lock the camera to the graphic
      OrbitGeoElementCameraController* cameraController = new OrbitGeoElementCameraController(graphic, 200, this);
      cameraController->setCameraPitchOffset(80);
      cameraController->setCameraHeadingOffset(-30);
      m_sceneView->setCameraController(cameraController);
    }
  });

  mms->load();
}