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Merge branch 'v.next' into Caleb/New-ApplyDictionaryRendererToGraphicsOverlay
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‎Samples.xcodeproj/project.pbxproj‎

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D7F2A0292CD00F1C0008D981 /* ApplyDictionaryRendererToFeatureLayerView.swift */,
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Animate3DGraphic,
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AnimateImagesWithImageOverlay,
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ApplyDictionaryRendererToGraphicsOverlay,
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ApplyDictionaryRendererToFeatureLayer,
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ApplyScheduledUpdatesToPreplannedMapArea,
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AugmentRealityToShowTabletopScene,
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ChangeCameraController,
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D73FC0FD2AD4A18D0067A19B /* CreateMobileGeodatabaseView.swift in Sources */,
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D7F2A02F2CD00F1C0008D981 /* ApplyDictionaryRendererToFeatureLayerView.swift in Sources */,
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1C19B4F12A578E46001D2506 /* CreateLoadReportView.Views.swift in Sources */,
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E066DD3B2860CA08004D3D5B /* ShowResultOfSpatialRelationshipsView.swift in Sources */,
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7573E81E29D6134C00BEED9C /* TraceUtilityNetworkView.Views.swift in Sources */,

‎Shared/Samples/Apply dictionary renderer to feature layer/ApplyDictionaryRendererToFeatureLayerView.swift‎

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// Copyright 2024 Esri
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import ArcGIS
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import SwiftUI
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struct ApplyDictionaryRendererToFeatureLayerView: View {
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/// A map with a topographic basemap.
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@State private var map = Map(basemapStyle: .arcGISTopographic)
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/// The viewpoint for zooming the map view to the feature layers.
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@State private var viewpoint: Viewpoint?
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/// The error shown in the error alert.
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@State private var error: Error?
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var body: some View {
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MapView(map: map, viewpoint: viewpoint)
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.task {
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do {
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// Creates the feature layers and adds them to the map when the sample opens.
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let featureLayers = try await makeMIL2525DFeatureLayers()
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map.addOperationalLayers(featureLayers)
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// Zooms the viewpoint to the feature layers using their extents.
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let layerExtents = featureLayers.compactMap(\.fullExtent)
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if let combinedExtents = GeometryEngine.combineExtents(of: layerExtents) {
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viewpoint = Viewpoint(boundingGeometry: combinedExtents)
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}
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} catch {
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self.error = error
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}
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}
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.errorAlert(presentingError: $error)
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}
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/// Creates a list of feature layers with mil2525d symbols.
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/// - Returns: A list of new `FeatureLayer` objects.
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private func makeMIL2525DFeatureLayers() async throws -> [FeatureLayer] {
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// Creates and loads a geodatabase from a local file.
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let geodatabase = Geodatabase(fileURL: .militaryOverlayGeodatabase)
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try await geodatabase.load()
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// Creates and loads a mil2525d dictionary symbol style from a local file.
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let mil2525dDictionarySymbolStyle = DictionarySymbolStyle(url: .mil2525dStyleFile)
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try await mil2525dDictionarySymbolStyle.load()
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// Creates feature layers from the geodatabase's feature tables.
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let featureLayers = geodatabase.featureTables.map { featureTable in
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let featureLayer = FeatureLayer(featureTable: featureTable)
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// Sets the layer's renderer to display the features using mil2525d symbols.
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featureLayer.renderer = DictionaryRenderer(
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dictionarySymbolStyle: mil2525dDictionarySymbolStyle
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)
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featureLayer.minScale = 1000000
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return featureLayer
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}
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await featureLayers.load()
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return featureLayers
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}
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}
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private extension URL {
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/// The URL to the local "Joint Military Symbology MIL-STD-2525D" mobile style file.
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static var mil2525dStyleFile: URL {
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Bundle.main.url(forResource: "mil2525d", withExtension: "stylx")!
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}
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/// The URL to the local "Military Overlay" geodatabase file.
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static var militaryOverlayGeodatabase: URL {
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Bundle.main.url(
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forResource: "militaryoverlay",
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withExtension: "geodatabase",
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subdirectory: "militaryoverlay.geodatabase"
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)!
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}
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}

‎Shared/Samples/Apply dictionary renderer to feature layer/README.md‎

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# Apply dictionary renderer to feature layer
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Convert features into graphics to show them with mil2525d symbols.
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![Image of Apply dictionary renderer to feature layer sample](apply-dictionary-renderer-to-feature-layer.png)
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## Use case
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A dictionary renderer uses a style file and a rule engine to display advanced symbology. This is useful for displaying features using precise military symbology.
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## How to use the sample
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Pan and zoom around the map. Observe the displayed military symbology on the map.
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## How it works
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1. Create and load a `Geodatabase` using a local ".geodatabase" file.
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2. Create and load a `DictionarySymbolStyle` using a style file.
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3. Create a `FeatureLayer` for each of the geodatabase's `featureTables`.
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4. Create a `DictionaryRenderer` using the dictionary symbol style and assign it to the feature layer's `renderer`.
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5. Add the feature layers to the map using `addOperationalLayers(_:)`.
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6. Load the feature layers and create a new `Envelope` from a union of the extents of all layers.
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7. Use the envelope to create a viewpoint and pass it to the map view.
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## Relevant API
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* DictionaryRenderer
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* DictionarySymbolStyle
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## Offline data
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This sample uses the [Joint Military Symbology MIL-STD-2525D style file](https://www.arcgis.com/home/item.html?id=e34835bf5ec5430da7cf16bb8c0b075c) and the [Military Overlay geodatabase](https://www.arcgis.com/home/item.html?id=e0d41b4b409a49a5a7ba11939d8535dc). Both are downloaded from ArcGIS Online automatically.
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## Tags
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military, symbol

‎Shared/Samples/Apply dictionary renderer to feature layer/README.metadata.json‎

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{
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"category": "Visualization",
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"description": "Convert features into graphics to show them with mil2525d symbols.",
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"ignore": false,
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"images": [
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"apply-dictionary-renderer-to-feature-layer.png"
7+
],
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"keywords": [
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"military",
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"symbol",
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"DictionaryRenderer",
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"DictionarySymbolStyle"
13+
],
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"offline_data": [
15+
"c78b149a1d52414682c86a5feeb13d30",
16+
"e0d41b4b409a49a5a7ba11939d8535dc"
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],
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"redirect_from": [],
19+
"relevant_apis": [
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"DictionaryRenderer",
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"DictionarySymbolStyle"
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],
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"snippets": [
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"ApplyDictionaryRendererToFeatureLayerView.swift"
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],
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"title": "Apply dictionary renderer to feature layer"
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}

‎Shared/Samples/Apply dictionary renderer to feature layer/apply-dictionary-renderer-to-feature-layer.png‎

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