Feature layer rendering mode (scene)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
// [WriteFile Name=FeatureLayerRenderingModeScene, Category=Layers]
// [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

#include "FeatureLayerRenderingModeScene.h"

#include "ArcGISTiledElevationSource.h"
#include "Scene.h"
#include "SceneQuickView.h"
#include "LoadSettings.h"
#include "ServiceFeatureTable.h"
#include "FeatureLayer.h"
#include "Point.h"
#include "SpatialReference.h"
#include "Camera.h"

#include <QString>
#include <QStringList>
#include <QTimer>

using namespace Esri::ArcGISRuntime;

FeatureLayerRenderingModeScene::FeatureLayerRenderingModeScene(QQuickItem* parent /* = nullptr */):
  QQuickItem(parent)
{
}

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

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

  // Create a scene for static rendering
  m_topSceneView = findChild<SceneQuickView*>("topSceneView");
  Scene* topScene = new Scene(this);
  topScene->loadSettings()->setPreferredPointFeatureRenderingMode(FeatureRenderingMode::Static);
  topScene->loadSettings()->setPreferredPolygonFeatureRenderingMode(FeatureRenderingMode::Static);
  topScene->loadSettings()->setPreferredPolylineFeatureRenderingMode(FeatureRenderingMode::Static);
  addFeatureLayers(topScene);
  m_topSceneView->setArcGISScene(topScene);

  // Create a scene for dynamic rendering
  m_bottomSceneView = findChild<SceneQuickView*>("bottomSceneView");
  Scene* bottomScene = new Scene(this);
  bottomScene->loadSettings()->setPreferredPointFeatureRenderingMode(FeatureRenderingMode::Dynamic);
  bottomScene->loadSettings()->setPreferredPolygonFeatureRenderingMode(FeatureRenderingMode::Dynamic);
  bottomScene->loadSettings()->setPreferredPolylineFeatureRenderingMode(FeatureRenderingMode::Dynamic);
  addFeatureLayers(bottomScene);
  m_bottomSceneView->setArcGISScene(bottomScene);

  // Create Zoom Out Camera Viewpoint
  const Point outPoint(-118.37, 34.46, SpatialReference::wgs84());
  const double outDistance = 42000.0;
  const double outHeading = 0.0;
  const double outPitch = 0.0;
  const double outRoll = 0.0;
  m_zoomOutCamera = Camera(outPoint, outDistance, outHeading, outPitch, outRoll);

  // Create Zoom In Camera Viewpoint
  const Point inPoint(-118.45, 34.395, SpatialReference::wgs84());
  const double inDistance = 2500.0;
  const double inHeading = 90.0;
  const double inPitch = 75.0;
  const double inRoll = 0.0;
  m_zoomInCamera = Camera(inPoint, inDistance, inHeading, inPitch, inRoll);

  // Set initial viewpoint
  m_topSceneView->setViewpointCameraAndWait(m_zoomOutCamera);
  m_bottomSceneView->setViewpointCameraAndWait(m_zoomOutCamera);

  // Create Timer
  m_timer = new QTimer(this);
  m_timer->setInterval(7000);
  connect(m_timer, &QTimer::timeout, this, &FeatureLayerRenderingModeScene::animate);
}

void FeatureLayerRenderingModeScene::addFeatureLayers(Scene* scene)
{
  const QStringList layerIds = {"0", "8", "9"};
  for (const QString& layerId : layerIds)
  {
    QString featureServiceUrl = QString("%1/%2").arg(m_featureServiceUrl, layerId);
    ServiceFeatureTable* featureTable = new ServiceFeatureTable(featureServiceUrl, this);
    FeatureLayer* featureLayer = new FeatureLayer(featureTable, this);
    scene->operationalLayers()->append(featureLayer);
  }
}

// update the Camera when the timer triggers
void FeatureLayerRenderingModeScene::animate()
{
  Camera camera;
  if (m_isZoomedOut)
    camera = Camera(m_zoomInCamera);
  else
    camera = Camera(m_zoomOutCamera);

  m_bottomSceneView->setViewpointCamera(camera, 5.0f);
  m_topSceneView->setViewpointCamera(camera, 5.0f);
  m_isZoomedOut = !m_isZoomedOut;
}

void FeatureLayerRenderingModeScene::startAnimation()
{
  if (!m_timer)
    return;

  animate();
  m_timer->start(7000);
}

void FeatureLayerRenderingModeScene::stopAnimation()
{
  if (!m_timer)
    return;

  m_timer->stop();
}