Feature layer extrusion

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
// [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 2.6
import QtQuick.Controls 2.2
import Esri.ArcGISRuntime 100.15

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

    SceneView {
        id: sceneView
        anchors.fill: parent

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

        Scene {
            id: scene
            Basemap {
                initStyle: Enums.BasemapStyleArcGISImageryStandard
            }

            ServiceFeatureTable {
                id: featureTable
                url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/3"
            }

            FeatureLayer {
                id: featureLayer
                featureTable: featureTable
                renderingMode: Enums.FeatureRenderingModeDynamic
                renderer: renderer
            }

            Surface {
                id: baseSurface
                ArcGISTiledElevationSource {
                    url: "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"
                }
            }

            ViewpointCenter {
                Point {
                    id: lookAtPoint
                    x: -99.659448
                    y: 20.513652
                    z: 12940924
                    spatialReference: SpatialReference { wkid: 4326 }
                }
                targetScale: 12940924

                Camera {
                    id: initialCamera
                    location: lookAtPoint
                    roll: 0
                    pitch: 15
                    heading: 0
                }
            }
        }

        // 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.width
            model: ["TOTAL POPULATION", "POPULATION DENSITY"]

            onCurrentTextChanged: {
                if (currentText === "TOTAL POPULATION")
                    sceneProperties.extrusionExpression = "[POP2007] / 10";
                else
                    sceneProperties.extrusionExpression = "([POP07_SQMI] * 5000) + 100000";
            }

            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
            }
        }

        SimpleRenderer {
            id: renderer
            symbol: fillSymbol
            sceneProperties: sceneProperties
        }

        RendererSceneProperties {
            id: sceneProperties
            extrusionMode: Enums.ExtrusionModeAbsoluteHeight
            extrusionExpression: "[POP2007] / 10"
        }

        SimpleFillSymbol {
            id: fillSymbol
            color: "blue"
            outline: lineSymbol
        }

        SimpleLineSymbol {
            id: lineSymbol
            color: "black"
        }
    }
}