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Use a hillshade renderer on a raster.
Configure the options for rendering, then tap 'Apply hillshade'.
The parameters provided by the user are passed to HillshadeRender at instantiation: new HillshadeRenderer(mAltitude, mAzimuth, mZFactor, mSlopeType, mPixelSizeFactor, mPixelSizePower, mOutputBitDepth); which returns a RasterRenderer. The RasterRenderer is then added to the RasterLayer.
This sample downloads the following items from ArcGIS Online automatically:
Visualization, hillshade, raster, shadow, slope
RasterHillshade.xaml RasterHillshade.xaml RasterHillshade.xaml.cs
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<?xml version = "1.0" encoding= "utf-8" ?>
<ContentPage
x: Class = "ArcGISRuntime.Samples.RasterHillshade.RasterHillshade"
xmlns = "http://xamarin.com/schemas/2014/forms"
xmlns: x = "http://schemas.microsoft.com/winfx/2009/xaml"
xmlns: esriUI = "clr-namespace:Esri.ArcGISRuntime.Xamarin.Forms;assembly=Esri.ArcGISRuntime.Xamarin.Forms"
Title = "Raster hillshade" >
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height = "180" />
<RowDefinition />
</Grid.RowDefinitions>
<esriUI:MapView x: Name = "MyMapView" Grid.Row= "1" />
<Grid
Grid.Row = "0"
Margin = "2"
HorizontalOptions = "CenterAndExpand"
VerticalOptions = "Start" >
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition Width = "2*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height = "auto" />
<RowDefinition />
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<Label
Grid.Row = "0"
Grid.Column = "0"
Text = "Slope type:"
VerticalOptions = "Center" />
<Picker
x: Name = "SlopeTypePicker"
Grid.Row = "0"
Grid.Column = "1"
HorizontalOptions = "StartAndExpand"
VerticalOptions = "CenterAndExpand" />
<Label
Grid.Row = "1"
Grid.Column = "0"
HorizontalTextAlignment = "End"
Text = "Altitude:"
VerticalOptions = "Center" />
<Slider
x: Name = "AltitudeSlider"
Grid.Row = "1"
Grid.Column = "1"
Maximum = "90"
MaximumTrackColor = "CadetBlue"
Minimum = "0"
MinimumTrackColor = "CadetBlue" />
<Label
Grid.Row = "2"
Grid.Column = "0"
HorizontalTextAlignment = "End"
Text = "Azimuth:"
VerticalOptions = "Center" />
<Slider
x: Name = "AzimuthSlider"
Grid.Row = "2"
Grid.Column = "1"
Maximum = "360"
MaximumTrackColor = "CadetBlue"
Minimum = "0"
MinimumTrackColor = "CadetBlue" />
<Button
x: Name = "ApplyHillshadeButton"
Grid.Row = "3"
Grid.ColumnSpan = "2"
Margin = "20,0"
Clicked = "ApplyHillshadeButton_Click"
HorizontalOptions = "CenterAndExpand"
Text = "Apply hillshade"
VerticalOptions = "Center" />
</Grid>
</Grid>
</ContentPage>
