/// <summary>
/// Renders a feature layer using graduated colors to draw quantities. The outline width is varied based on attributes.
/// 
/// </summary>
/// <returns></returns>
internal static Task CBRendererGraduatedColorsOutlineAsync()
{
//Check feature layer name
//Code works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data
var featureLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(f => f.Name == "USDemographics");
if (featureLayer == null)
{
MessageBox.Show("This renderer works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data", "Data missing");
return(Task.FromResult(0));
}
return(QueuedTask.Run(() =>
{
//Gets the first numeric field of the feature layer
var firstNumericFieldOfFeatureLayer = SDKHelpers.GetNumericField(featureLayer);
//Gets the min and max value of the field
var minMax = SDKHelpers.GetFieldMinMax(featureLayer, firstNumericFieldOfFeatureLayer);
GraduatedColorsRendererDefinition gcDef = new GraduatedColorsRendererDefinition()
{
ClassificationField = SDKHelpers.GetNumericField(featureLayer),
ClassificationMethod = ClassificationMethod.NaturalBreaks,
BreakCount = 5,
ColorRamp = SDKHelpers.GetColorRamp()
};
CIMClassBreaksRenderer renderer = (CIMClassBreaksRenderer)featureLayer.CreateRenderer(gcDef);
//Create array of CIMVisualVariables to hold the outline information.
var visualVariables = new CIMVisualVariable[] {
new CIMSizeVisualVariable
{
ValueExpressionInfo = new CIMExpressionInfo
{
Title = "Custom",
Expression = "$feature.AREA",
ReturnType = ExpressionReturnType.Default
},
AuthoringInfo = new CIMVisualVariableAuthoringInfo
{
MinSliderValue = Convert.ToDouble(minMax.Item1),
MaxSliderValue = Convert.ToDouble(minMax.Item2),
ShowLegend = false,
Heading = firstNumericFieldOfFeatureLayer
},
VariableType = SizeVisualVariableType.Graduated,
Target = "outline",
MinSize = 1,
MaxSize = 13,
MinValue = Convert.ToDouble(minMax.Item1),
MaxValue = Convert.ToDouble(minMax.Item2)
},
};
renderer.VisualVariables = visualVariables;
featureLayer?.SetRenderer(renderer);
}));
}
/// <summary>
/// Renders a feature layer using graduated colors to draw quantities.
/// 
/// </summary>
/// <param name="featureLayer"></param>
/// <returns>
/// </returns>
internal static async Task CBRendererGraduatedColors(FeatureLayer featureLayer)
{
await QueuedTask.Run(() =>
{
GraduatedColorsRendererDefinition gcDef = new GraduatedColorsRendererDefinition()
{
ClassificationField = SDKHelpers.GetNumericField(featureLayer),
ClassificationMethod = ClassificationMethod.NaturalBreaks,
BreakCount = 5,
ColorRamp = SDKHelpers.GetColorRamp(),
};
CIMClassBreaksRenderer renderer = (CIMClassBreaksRenderer)featureLayer.CreateRenderer(gcDef);
featureLayer?.SetRenderer(renderer);
});
}
/// <summary>
/// Renders a feature layer using graduated colors to draw quantities. The outline width is varied based on attributes.
/// 
/// </summary>
/// <param name="featureLayer"></param>
/// <returns></returns>
internal static Task CBRendererGraduatedColorsOutline(FeatureLayer featureLayer)
{
return(QueuedTask.Run(() =>
{
//Gets the first numeric field of the feature layer
var firstNumericFieldOfFeatureLayer = SDKHelpers.GetNumericField(featureLayer);
//Gets the min and max value of the field
var minMax = SDKHelpers.GetFieldMinMax(featureLayer, firstNumericFieldOfFeatureLayer);
GraduatedColorsRendererDefinition gcDef = new GraduatedColorsRendererDefinition()
{
ClassificationField = SDKHelpers.GetNumericField(featureLayer),
ClassificationMethod = ClassificationMethod.NaturalBreaks,
BreakCount = 5,
ColorRamp = SDKHelpers.GetColorRamp()
};
CIMClassBreaksRenderer renderer = (CIMClassBreaksRenderer)featureLayer.CreateRenderer(gcDef);
//Create array of CIMVisualVariables to hold the outline information.
var visualVariables = new CIMVisualVariable[] {
new CIMSizeVisualVariable
{
ValueExpressionInfo = new CIMExpressionInfo
{
Title = "Custom",
Expression = "$feature.AREA",
ReturnType = ExpressionReturnType.Default
},
AuthoringInfo = new CIMVisualVariableAuthoringInfo
{
MinSliderValue = Convert.ToDouble(minMax.Item1),
MaxSliderValue = Convert.ToDouble(minMax.Item2),
ShowLegend = false,
Heading = firstNumericFieldOfFeatureLayer
},
VariableType = SizeVisualVariableType.Graduated,
Target = "outline",
MinSize = 1,
MaxSize = 13,
MinValue = Convert.ToDouble(minMax.Item1),
MaxValue = Convert.ToDouble(minMax.Item2)
},
};
renderer.VisualVariables = visualVariables;
featureLayer?.SetRenderer(renderer);
}));
}
/// <summary>
/// Renders a feature layer using graduated colors to draw quantities.
/// 
/// </summary>
/// <returns>
/// </returns>
internal static Task CBRendererGraduatedColors()
{
//Check feature layer name
//Code works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data
var featureLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(f => f.Name == "USDemographics");
if (featureLayer == null)
{
MessageBox.Show("This renderer works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data", "Data missing");
return(Task.FromResult(0));
}
return(QueuedTask.Run(() =>
{
GraduatedColorsRendererDefinition gcDef = new GraduatedColorsRendererDefinition()
{
ClassificationField = SDKHelpers.GetNumericField(featureLayer),
ClassificationMethod = ClassificationMethod.NaturalBreaks,
BreakCount = 5,
ColorRamp = SDKHelpers.GetColorRamp(),
};
CIMClassBreaksRenderer renderer = (CIMClassBreaksRenderer)featureLayer.CreateRenderer(gcDef);
featureLayer?.SetRenderer(renderer);
}));
}
private void ExecuteRenderingClick()
{
// コンボ ボックスでレイヤー、フィールド、レンダリング手法が選択されているかをチェックする
if (_selectedRenderingLayer is null)
{
MessageBox.Show("レイヤーを選択してください。");
}
else if (_selectedField is null)
{
MessageBox.Show("フィールドを選択してください。");
}
else if (_selectedRenderingMethod is null)
{
MessageBox.Show("レンダリング手法を選択してください。");
}
else
{
try
{
// レンダラー作成の処理を実装
QueuedTask.Run(() =>
{
// レイヤー名で検索してマップ上のレイヤーを取得する
var lyr = MapView.Active.Map.FindLayers(_selectedRenderingLayer.Name).FirstOrDefault() as FeatureLayer;
// 「ArcGIS カラー」（ArcGIS Pro の表示言語が英語の場合は、「ArcGIS Colors」を指定）プロジェクト スタイル アイテムを取得
StyleProjectItem style = Project.Current.GetItems <StyleProjectItem>().FirstOrDefault(s => s.Name == "ArcGIS カラー");
// 名前で検索してカラーランプ アイテムを取得する（ArcGIS Pro の表示言語が英語の場合は、「Spectrum - Full Light」を指定）
IList <ColorRampStyleItem> colorRampList = style.SearchColorRamps("フル スペクトル (明るい)");
if (_selectedRenderingMethod == "個別値レンダリング")
{
// 個別値レンダラーの定義を作成する
UniqueValueRendererDefinition uvrDef = new
UniqueValueRendererDefinition()
{
ValueFields = new String[] { _selectedField }, // 分類に使用するフィールド
ColorRamp = colorRampList[0].ColorRamp, // カラーランプ
};
// 個別値レンダラーを作成する
CIMUniqueValueRenderer cimRenderer = (CIMUniqueValueRenderer)lyr.CreateRenderer(uvrDef);
// レンダラーをレイヤーに設定する
lyr.SetRenderer(cimRenderer);
}
else // 等級色レンダリングの場合
{
if (GetNumericField(lyr, _selectedField)) // 数値型のフィールドを選択している場合のみ実行する
{
// 等級色レンダラーの定義を作成する
GraduatedColorsRendererDefinition gcDef = new GraduatedColorsRendererDefinition()
{
ClassificationField = _selectedField, // 分類に使用するフィールド
ColorRamp = colorRampList[0].ColorRamp, // カラーランプ
ClassificationMethod = ClassificationMethod.NaturalBreaks, // 分類方法（自然分類）
BreakCount = 5, // 分類数（5段階で分類）
};
// 等級色（クラス分類）レンダラーを作成する
CIMClassBreaksRenderer cimClassBreakRenderer = (CIMClassBreaksRenderer)lyr.CreateRenderer(gcDef);
// レンダラーをレイヤーに設定する
lyr.SetRenderer(cimClassBreakRenderer);
}
}
});
}
catch (Exception)
{
MessageBox.Show("レンダリングに失敗しました。");
}
}
}
