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[New] Apply blend renderer to hillshade #589
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Update project.pbxproj
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Add new sample
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Update project.pbxproj
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Merge branch 'v.next' into destiny/Apply-blend-renderer-to-hillshade
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Update README.metadata.json
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Remove view model
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Merge branch 'v.next' into destiny/Apply-blend-renderer-to-hillshade
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Update project.pbxproj
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Set color ramp on elevation basemap
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Merge branch 'v.next' into destiny/Apply-blend-renderer-to-hillshade
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Update ApplyBlendRendererToHillshadeView.swift
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91 changes: 91 additions & 0 deletions
91
...d/Samples/Apply blend renderer to hillshade/ApplyBlendRendererToHillshadeView.Model.swift
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|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // Copyright 2025 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 | ||
| // | ||
| // https://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. | ||
|
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| import ArcGIS | ||
| import SwiftUI | ||
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| extension ApplyBlendRendererToHillshadeView { | ||
| /// The view model for the sample. | ||
| class Model: ObservableObject { | ||
| /// A map with a Shasta raster layer. | ||
| @Published var map: Map = { | ||
| let raster = Raster(fileURL: .shasta) | ||
| let rasterLayer = RasterLayer(raster: raster) | ||
| return Map(basemap: Basemap(baseLayer: rasterLayer)) | ||
| }() | ||
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| /// The raster layer. | ||
| private var rasterLayer: RasterLayer { | ||
| map.basemap?.baseLayers[0] as! RasterLayer | ||
| } | ||
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| /// The elevation raster. | ||
| private let elevationRaster: Raster = { | ||
| Raster(fileURL: .shastaElevation) | ||
| }() | ||
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| /// The blend renderer altitude. | ||
| @Published var altitude = 0.0 | ||
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| /// The blend renderer azimuth. | ||
| @Published var azimuth = 0.0 | ||
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| /// The blend renderer slope type. | ||
| @Published var slopeType: HillshadeRenderer.SlopeType? | ||
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| /// The blend renderer color ramp preset. | ||
| @Published var colorRampPreset: ColorRamp.Preset? | ||
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| /// The color ramp for the blend renderer. | ||
| private var colorRamp: ColorRamp? { | ||
| if let colorRampPreset { | ||
| ColorRamp(preset: colorRampPreset, size: 800) | ||
| } else { | ||
| .none | ||
| } | ||
| } | ||
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| /// Applies the settings to the blend renderer on the raster layer. | ||
| func applyRendererSettings() { | ||
| let blendRenderer = BlendRenderer( | ||
| elevationRaster: elevationRaster, | ||
| outputMinValues: [], | ||
| outputMaxValues: [], | ||
| sourceMinValues: [], | ||
| sourceMaxValues: [], | ||
| noDataValues: [], | ||
| gammas: [], | ||
| colorRamp: colorRamp, | ||
| altitude: altitude, | ||
| azimuth: azimuth, | ||
| slopeType: slopeType | ||
| ) | ||
|
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| // Apply blend renderer to raster layer. | ||
| rasterLayer.renderer = blendRenderer | ||
| } | ||
| } | ||
| } | ||
|
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| private extension URL { | ||
| /// The URL to the Shasta data. | ||
| static var shasta: URL { | ||
| Bundle.main.url(forResource: "Shasta", withExtension: "tif", subdirectory: "raster-file/raster-file")! | ||
| } | ||
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| /// The URL to the Shasta elevation data. | ||
| static var shastaElevation: URL { | ||
| Bundle.main.url(forResource: "Shasta_Elevation", withExtension: "tif", subdirectory: "Shasta_Elevation")! | ||
| } | ||
| } | ||
83 changes: 83 additions & 0 deletions
83
...es/Apply blend renderer to hillshade/ApplyBlendRendererToHillshadeView.SettingsView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // Copyright 2025 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 | ||
| // | ||
| // https://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. | ||
|
|
||
| import ArcGIS | ||
| import SwiftUI | ||
|
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| extension ApplyBlendRendererToHillshadeView { | ||
| struct SettingsView: View { | ||
| /// The action to dismiss the view. | ||
| @Environment(\.dismiss) private var dismiss | ||
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| /// The view model for the sample. | ||
| @ObservedObject var model: ApplyBlendRendererToHillshadeView.Model | ||
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| var body: some View { | ||
| NavigationStack { | ||
| Form { | ||
| Picker("Slope Type", selection: $model.slopeType) { | ||
| Text("Degree").tag(HillshadeRenderer.SlopeType.degree) | ||
| Text("Percent Rise").tag(HillshadeRenderer.SlopeType.percentRise) | ||
| Text("Scaled").tag(HillshadeRenderer.SlopeType.scaled) | ||
| } | ||
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| Picker("Color Ramp Preset", selection: $model.colorRampPreset) { | ||
| Text("DEM Light").tag(ColorRamp.Preset.demLight) | ||
| Text("Screen Display").tag(ColorRamp.Preset.demScreen) | ||
| Text("Elevation").tag(ColorRamp.Preset.elevation) | ||
| } | ||
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| VStack { | ||
| LabeledContent( | ||
| "Altitude", | ||
| value: model.altitude, | ||
| format: .number | ||
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|
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| ) | ||
| Slider(value: $model.altitude, in: 0...360, step: 1.0) { | ||
| Text("Altitude") | ||
| } minimumValueLabel: { | ||
| Text("0") | ||
| } maximumValueLabel: { | ||
| Text("360") | ||
| } | ||
| } | ||
|
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| VStack { | ||
| LabeledContent( | ||
| "Azimuth", | ||
| value: model.azimuth, | ||
| format: .number | ||
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|
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| ) | ||
| Slider(value: $model.azimuth, in: 0...360, step: 1.0) { | ||
| Text("Azimuth") | ||
| } minimumValueLabel: { | ||
| Text("0") | ||
| } maximumValueLabel: { | ||
| Text("360") | ||
| } | ||
| } | ||
| } | ||
| .navigationTitle("Renderer Settings") | ||
| .navigationBarTitleDisplayMode(.inline) | ||
| .toolbar { | ||
| ToolbarItem(placement: .confirmationAction) { | ||
| Button("Done") { | ||
| dismiss() | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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