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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
// Copyright 2021 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.
using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Geometry;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.UI.Controls;
using Foundation;
using System;
using UIKit;
namespace ArcGISRuntime.Samples.FeatureLayerRenderingModeScene
{
[Register("FeatureLayerRenderingModeScene")]
[ArcGISRuntime.Samples.Shared.Attributes.Sample(
name: "Feature layer rendering mode (scene)",
category: "Layers",
description: "Render features in a scene statically or dynamically by setting the feature layer rendering mode.",
instructions: "Tap the button to trigger the same zoom animation on both static and dynamicly rendered scenes.",
tags: new[] { "3D", "dynamic", "feature layer", "features", "rendering", "static" })]
public class FeatureLayerRenderingModeScene : UIViewController
{
// Hold references to UI controls.
private SceneView _staticSceneView;
private SceneView _dynamicSceneView;
private UIStackView _stackView;
private UIBarButtonItem _zoomButton;
// Points for demonstrating zoom.
private readonly MapPoint _zoomedOutPoint = new MapPoint(-118.37, 34.46, SpatialReferences.Wgs84);
private readonly MapPoint _zoomedInPoint = new MapPoint(-118.45, 34.395, SpatialReferences.Wgs84);
// Viewpoints for each zoom level.
private Camera _zoomedOutCamera;
private Camera _zoomedInCamera;
// URI for the feature service.
private const string FeatureService = "https://sampleserver6.arcgisonline.com/arcgis/rest/services/Energy/Geology/FeatureServer/";
// Hold the current zoom state.
private bool _zoomed;
public FeatureLayerRenderingModeScene()
{
Title = "Feature layer rendering mode (Scene)";
}
private void Initialize()
{
// Initialize the cameras (viewpoints) with two points.
_zoomedOutCamera = new Camera(_zoomedOutPoint, 42000, 0, 0, 0);
_zoomedInCamera = new Camera(_zoomedInPoint, 2500, 90, 75, 0);
// Create the scene for displaying the feature layer in static mode.
Scene staticScene = new Scene
{
InitialViewpoint = new Viewpoint(_zoomedOutPoint, _zoomedOutCamera)
};
// Create the scene for displaying the feature layer in dynamic mode.
Scene dynamicScene = new Scene
{
InitialViewpoint = new Viewpoint(_zoomedOutPoint, _zoomedOutCamera)
};
foreach (string identifier in new[] { "8", "9", "0" })
{
// Create the table.
ServiceFeatureTable serviceTable = new ServiceFeatureTable(new Uri(FeatureService + identifier));
// Create and add the static layer.
FeatureLayer staticLayer = new FeatureLayer(serviceTable)
{
RenderingMode = FeatureRenderingMode.Static
};
staticScene.OperationalLayers.Add(staticLayer);
// Create and add the dynamic layer.
FeatureLayer dynamicLayer = new FeatureLayer(new ServiceFeatureTable(serviceTable.Source));
dynamicLayer.RenderingMode = FeatureRenderingMode.Dynamic;
dynamicScene.OperationalLayers.Add(dynamicLayer);
}
// Add the scenes to the scene views.
_staticSceneView.Scene = staticScene;
_dynamicSceneView.Scene = dynamicScene;
}
private void _zoomButton_TouchUpInside(object sender, EventArgs e)
{
// Zoom out if zoomed.
if (_zoomed)
{
_staticSceneView.SetViewpointCameraAsync(_zoomedOutCamera, new TimeSpan(0, 0, 5));
_dynamicSceneView.SetViewpointCameraAsync(_zoomedOutCamera, new TimeSpan(0, 0, 5));
}
else // Zoom in otherwise.
{
_staticSceneView.SetViewpointCameraAsync(_zoomedInCamera, new TimeSpan(0, 0, 5));
_dynamicSceneView.SetViewpointCameraAsync(_zoomedInCamera, new TimeSpan(0, 0, 5));
}
// Toggle zoom state.
_zoomed = !_zoomed;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
Initialize();
}
public override void LoadView()
{
// Create the views.
View = new UIView { BackgroundColor = ApplicationTheme.BackgroundColor };
_staticSceneView = new SceneView();
_staticSceneView.TranslatesAutoresizingMaskIntoConstraints = false;
_dynamicSceneView = new SceneView();
_dynamicSceneView.TranslatesAutoresizingMaskIntoConstraints = false;
_stackView = new UIStackView(new UIView[] { _staticSceneView, _dynamicSceneView });
_stackView.TranslatesAutoresizingMaskIntoConstraints = false;
_stackView.Distribution = UIStackViewDistribution.FillEqually;
_stackView.Axis = View.TraitCollection.VerticalSizeClass == UIUserInterfaceSizeClass.Compact ? UILayoutConstraintAxis.Horizontal : UILayoutConstraintAxis.Vertical;
_zoomButton = new UIBarButtonItem();
_zoomButton.Title = "Zoom";
UIToolbar toolbar = new UIToolbar();
toolbar.TranslatesAutoresizingMaskIntoConstraints = false;
toolbar.Items = new[]
{
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
_zoomButton,
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace)
};
UILabel staticLabel = new UILabel
{
Text = "Static",
BackgroundColor = UIColor.FromWhiteAlpha(0f, .6f),
TextColor = UIColor.White,
TextAlignment = UITextAlignment.Center,
TranslatesAutoresizingMaskIntoConstraints = false
};
UILabel dynamicLabel = new UILabel
{
Text = "Dynamic",
BackgroundColor = UIColor.FromWhiteAlpha(0f, .6f),
TextColor = UIColor.White,
TextAlignment = UITextAlignment.Center,
TranslatesAutoresizingMaskIntoConstraints = false
};
// Add the views.
View.AddSubviews(_stackView, toolbar, staticLabel, dynamicLabel);
// Lay out the views.
NSLayoutConstraint.ActivateConstraints(new[]
{
_stackView.TopAnchor.ConstraintEqualTo(View.SafeAreaLayoutGuide.TopAnchor),
_stackView.BottomAnchor.ConstraintEqualTo(toolbar.TopAnchor),
_stackView.LeadingAnchor.ConstraintEqualTo(View.LeadingAnchor),
_stackView.TrailingAnchor.ConstraintEqualTo(View.TrailingAnchor),
toolbar.LeadingAnchor.ConstraintEqualTo(View.LeadingAnchor),
toolbar.TrailingAnchor.ConstraintEqualTo(View.TrailingAnchor),
toolbar.BottomAnchor.ConstraintEqualTo(View.SafeAreaLayoutGuide.BottomAnchor),
staticLabel.TopAnchor.ConstraintEqualTo(_staticSceneView.TopAnchor),
staticLabel.HeightAnchor.ConstraintEqualTo(40),
staticLabel.LeadingAnchor.ConstraintEqualTo(_staticSceneView.LeadingAnchor),
staticLabel.TrailingAnchor.ConstraintEqualTo(_staticSceneView.TrailingAnchor),
dynamicLabel.TopAnchor.ConstraintEqualTo(_dynamicSceneView.TopAnchor),
dynamicLabel.HeightAnchor.ConstraintEqualTo(40),
dynamicLabel.LeadingAnchor.ConstraintEqualTo(_dynamicSceneView.LeadingAnchor),
dynamicLabel.TrailingAnchor.ConstraintEqualTo(_dynamicSceneView.TrailingAnchor)
});
}
public override void TraitCollectionDidChange(UITraitCollection previousTraitCollection)
{
base.TraitCollectionDidChange(previousTraitCollection);
if (View.TraitCollection.VerticalSizeClass == UIUserInterfaceSizeClass.Compact)
{
_stackView.Axis = UILayoutConstraintAxis.Horizontal;
}
else
{
_stackView.Axis = UILayoutConstraintAxis.Vertical;
}
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
// Subscribe to events.
_zoomButton.Clicked += _zoomButton_TouchUpInside;
}
public override void ViewDidDisappear(bool animated)
{
base.ViewDidDisappear(animated);
// Unsubscribe from events, per best practice.
_zoomButton.Clicked -= _zoomButton_TouchUpInside;
}
}
}