public void labeling(IGeoFeatureLayer _iGeoFLayer, string _labelFuc, double _maxScale, double _minScale, bool _showMapTips, bool _displayAnnotation, IActiveView _aView)
{
RgbColor _labelColor = new RgbColor();
_labelColor.RGB = Microsoft.VisualBasic.Information.RGB(0, 0, 0);
IAnnotateLayerPropertiesCollection propertiesColl = _iGeoFLayer.AnnotationProperties;
IAnnotateLayerProperties labelEngineProperties = new LabelEngineLayerProperties() as IAnnotateLayerProperties;
IElementCollection placedElements = new ElementCollection();
IElementCollection unplacedElements = new ElementCollection();
propertiesColl.QueryItem(0, out labelEngineProperties, out placedElements, out unplacedElements);
ILabelEngineLayerProperties lpLabelEngine = labelEngineProperties as ILabelEngineLayerProperties;
lpLabelEngine.Expression = _labelFuc;
lpLabelEngine.Symbol.Color = _labelColor;
labelEngineProperties.AnnotationMaximumScale = _maxScale; // closer
labelEngineProperties.AnnotationMinimumScale = _minScale; // further
IFeatureLayer thisFeatureLayer = _iGeoFLayer as IFeatureLayer;
IDisplayString displayString = thisFeatureLayer as IDisplayString;
IDisplayExpressionProperties properties = displayString.ExpressionProperties;
properties.Expression = _labelFuc; //example: "[OWNER_NAME] & vbnewline & \"$\" & [TAX_VALUE]";
_iGeoFLayer.DisplayAnnotation = _displayAnnotation;
// refresh map window
_aView.Refresh();
}
private void LabelHighWay(ILayer pLayer)
{
IGeoFeatureLayer pGeoFeatureLayer = pLayer as IGeoFeatureLayer;
if (pGeoFeatureLayer != null)
{
IAnnotateLayerPropertiesCollection panAnnotateLayerPropertiesCollection =
pGeoFeatureLayer.AnnotationProperties;
panAnnotateLayerPropertiesCollection.Clear();
IRgbColor pColor = new RgbColor();
pColor.Red = 0;
pColor.Blue = 0;
pColor.Green = 0;
IFormattedTextSymbol pTextSymbol = new TextSymbol();
//ITextSymbol pTextSymbol = new TextSymbol();
pTextSymbol.Background = CreateBalloonCallout() as ITextBackground;
pTextSymbol.Color = pColor;
pTextSymbol.Size = 10;
pTextSymbol.Direction = esriTextDirection.esriTDHorizontal;
Font font = new System.Drawing.Font("宋体", 10);
pTextSymbol.Font = ESRI.ArcGIS.ADF.COMSupport.OLE.GetIFontDispFromFont(font) as stdole.IFontDisp;
IBasicOverposterLayerProperties properties = new BasicOverposterLayerProperties();
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
switch (pFeatureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolygon:
properties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
break;
case esriGeometryType.esriGeometryPoint:
properties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
break;
case esriGeometryType.esriGeometryPolyline:
properties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
break;
}
ILabelEngineLayerProperties2 properties2 =
new LabelEngineLayerProperties() as ILabelEngineLayerProperties2;
if (properties2 != null)
{
properties2.Expression = "[LXDM]";
properties2.Symbol = pTextSymbol;
properties2.BasicOverposterLayerProperties = properties;
IAnnotateLayerProperties p = properties2 as IAnnotateLayerProperties;
// p.AnnotationMaximumScale = maxScale;
// p.AnnotationMinimumScale = minScale;
panAnnotateLayerPropertiesCollection.Add(p);
}
}
if (pGeoFeatureLayer != null)
{
pGeoFeatureLayer.DisplayAnnotation = true;
}
_mxDocument.ActivatedView.Refresh();
}
/// <summary>
/// 标注图层
/// </summary>
/// <param name="pLayer">需要标注的图层</param>
/// <param name="fontSize">字体大小</param>
/// <param name="labelField">标注字段</param>
/// <param name="minScale">显示标注的最小比例尺</param>
/// <param name="maxScale">显示标注的最大比例尺</param>
/// 注意：一问最后两个参数是比例尺的分母，所有minScale的值应该比maxSacle的值大
private void LabelLayer(ILayer pLayer, int fontSize, string labelField, double minScale, double maxScale)
{
IGeoFeatureLayer pGeoFeatureLayer = pLayer as IGeoFeatureLayer;
if (pGeoFeatureLayer != null)
{
IAnnotateLayerPropertiesCollection panAnnotateLayerPropertiesCollection =
pGeoFeatureLayer.AnnotationProperties;
panAnnotateLayerPropertiesCollection.Clear();
IRgbColor pColor = new RgbColor();
pColor.Red = 0;
pColor.Blue = 0;
pColor.Green = 0;
ITextSymbol pTextSymbol = new TextSymbol();
pTextSymbol.Color = pColor;
pTextSymbol.Size = fontSize;
Font font = new System.Drawing.Font("宋体", fontSize);
pTextSymbol.Font = ESRI.ArcGIS.ADF.COMSupport.OLE.GetIFontDispFromFont(font) as stdole.IFontDisp;
IBasicOverposterLayerProperties properties = new BasicOverposterLayerProperties();
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
switch (pFeatureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPolygon:
properties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
break;
case esriGeometryType.esriGeometryPoint:
properties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
break;
case esriGeometryType.esriGeometryPolyline:
properties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
break;
}
ILabelEngineLayerProperties2 properties2 =
new LabelEngineLayerProperties() as ILabelEngineLayerProperties2;
if (properties2 != null)
{
properties2.Expression = "[" + labelField + "]";
properties2.Symbol = pTextSymbol;
properties2.BasicOverposterLayerProperties = properties;
IAnnotateLayerProperties p = properties2 as IAnnotateLayerProperties;
p.AnnotationMaximumScale = maxScale;
p.AnnotationMinimumScale = minScale;
panAnnotateLayerPropertiesCollection.Add(p);
}
}
if (pGeoFeatureLayer != null)
{
pGeoFeatureLayer.DisplayAnnotation = true;
}
_mxDocument.ActiveView.Refresh();
}
private void btnLabel_Click(object sender, RoutedEventArgs e)
{
//The FeatureLayer for labelling
IFeatureLayer labelLayer = this.m_map.Map.get_Layer(0) as IFeatureLayer;
IGeoFeatureLayer gLabelLayer = labelLayer as IGeoFeatureLayer;
IAnnotateLayerPropertiesCollection annoPropCol = gLabelLayer.AnnotationProperties;
annoPropCol.Clear();
//ITextSymbol uasage
ITextSymbol pTextSyl = new TextSymbol();
//Font fnt = new System.Drawing.Font("宋体", 10f, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
//using stdole
IFontDisp font = new StdFont() as IFontDisp;
font.Size = 20;
font.Italic = true;
// pTextSyl.Size = 20;
pTextSyl.Font = font;
//IRgbColor fromColor = new RgbColor(255,0, 0);
//ESRI.ArcGIS.Display.RgbColorClass()
RgbColor color = new RgbColor();
color.Red = 255;
color.Green = 0;
color.Blue = 0;
pTextSyl.Color = color;
//Position
IBasicOverposterLayerProperties pBasic = new BasicOverposterLayerProperties();
// if (labelLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPoint)
// {
IPointPlacementPriorities pPlacementPoint = new PointPlacementPriorities();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
pBasic.PointPlacementPriorities = pPlacementPoint;
pBasic.PointPlacementOnTop = false;
pBasic.PointPlacementMethod = esriOverposterPointPlacementMethod.esriOnTopPoint;// esriAroundPoint;
// }
//Point a field as a label
ILabelEngineLayerProperties labelField = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
labelField.Expression = "[name]";
//set postion
labelField.BasicOverposterLayerProperties = pBasic;
//set symbol
labelField.Symbol = pTextSyl;
IAnnotateLayerProperties annoProp = labelField as IAnnotateLayerProperties;
annoPropCol.Add(annoProp);
gLabelLayer.DisplayAnnotation = true;
m_map.Refresh();
}
private void ShowLabel()
{
if (labelOn)
{
if (!this.cbxActiveMap.HasItems || !this.cbxFeatureLayer.HasItems || !this.cbxField.HasItems)
{
return;
}
if (annoPropCol != null)
{
annoPropCol.Clear();
}
labelLayer = this.m_map.Map.get_Layer(this.cbxFeatureLayer.SelectedIndex) as IFeatureLayer;
gLabelLayer = labelLayer as IGeoFeatureLayer;
annoPropCol = gLabelLayer.AnnotationProperties;
ITextSymbol pTextSyl = new TextSymbol();
IFontDisp font = new StdFont() as IFontDisp;
font.Size = 20;
font.Italic = true;
pTextSyl.Font = font;
RgbColor color = new RgbColor();
color.Red = LabelColor.R;
color.Green = LabelColor.G;
color.Blue = LabelColor.B;
pTextSyl.Color = color;
IBasicOverposterLayerProperties pBasic = new BasicOverposterLayerProperties();
IPointPlacementPriorities pPlacementPoint = new PointPlacementPriorities();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
pBasic.PointPlacementPriorities = pPlacementPoint;
pBasic.PointPlacementOnTop = false;
pBasic.PointPlacementMethod = esriOverposterPointPlacementMethod.esriOnTopPoint;
ILabelEngineLayerProperties labelField = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
//IFeatureClass fClass = ((IFeatureLayer)labelLayer).FeatureClass;
//IFields fields = fClass.Fields;
//String fieldName = fields.get_Field(this.cbxField.SelectedIndex).Name;
string fieldName = (string)cbxField.SelectedItem;
//Console.WriteLine(fields.FindField(fieldName));
labelField.Expression = "[" + fieldName + "]";
//set postion
labelField.BasicOverposterLayerProperties = pBasic;
//set symbol
labelField.Symbol = pTextSyl;
IAnnotateLayerProperties annoProp = labelField as IAnnotateLayerProperties;
annoPropCol.Add(annoProp);
gLabelLayer.DisplayAnnotation = true;
m_map.Refresh();
}
}
private void LayerAnnotation(IGeoFeatureLayer pGeoFeatLyr, string annoField)
{
IGeoFeatureLayer pGeoFeatLayer;
pGeoFeatLayer = pGeoFeatLyr;
IAnnotateLayerPropertiesCollection pAnnoProps;
pAnnoProps = pGeoFeatLyr.AnnotationProperties;
pAnnoProps.Clear();
IAnnotateLayerProperties pAnnoLayerProps;
ILabelEngineLayerProperties pLabelEngine;
ILineLabelPosition pPosition;
ILineLabelPlacementPriorities pPlacement;
IBasicOverposterLayerProperties pBasic;
//'定义标注的字体
ITextSymbol pTextSyl;
pTextSyl = new TextSymbol();
stdole.IFontDisp pFont;
pFont = new stdole.StdFont() as stdole.IFontDisp;
pFont.Name = "仿宋";
pFont.Size = 12;
pFont.Bold = true;
pTextSyl.Font = pFont;
IRgbColor pcolor = new RgbColorClass();
pcolor.Red = 255;
pcolor.Green = 10;
pcolor.Blue = 20;
pTextSyl.Color = pcolor;
pPosition = new LineLabelPosition();
pPosition.Parallel = false;
pPosition.Perpendicular = true;
pPlacement = new LineLabelPlacementPriorities();
pBasic = new BasicOverposterLayerProperties();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
pBasic.LineLabelPlacementPriorities = pPlacement;
pBasic.LineLabelPosition = pPosition;
pLabelEngine = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
pLabelEngine.Symbol = pTextSyl;
pLabelEngine.BasicOverposterLayerProperties = pBasic;
//field的形式必须是[fieldname]
pLabelEngine.Expression = annoField;
pAnnoLayerProps = (IAnnotateLayerProperties)pLabelEngine;
pAnnoProps.Add(pAnnoLayerProps);
pGeoFeatLyr.DisplayAnnotation = true;
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
//文本标注
private void btnTextElement_Click(object sender, EventArgs e)
{
if (axMapControl1.LayerCount > 0)
{
IGeoFeatureLayer pGeoFeatureLayer;
ILineLabelPosition pLineLabelPosition;
ILabelEngineLayerProperties pLabelEngineLayerProperties;
IAnnotateLayerProperties pAnnotateLayerProperties;
pGeoFeatureLayer = (IGeoFeatureLayer)axMapControl1.get_Layer(0);
pGeoFeatureLayer.AnnotationProperties.Clear();
pLineLabelPosition = new LineLabelPosition();
pLineLabelPosition.Above = false;
pLineLabelPosition.AtEnd = false;
pLineLabelPosition.Below = false;
pLineLabelPosition.Horizontal = false;
pLineLabelPosition.InLine = true;
pLineLabelPosition.OnTop = true;
pLineLabelPosition.Parallel = true;
pLineLabelPosition.ProduceCurvedLabels = true;
ITextSymbol pTextSymbol = new TextSymbol();
IColor pColor = new RgbColor();
pColor.RGB = 100;
pTextSymbol.Size = 12;
pTextSymbol.Font.Name = "宋体";
pTextSymbol.Color = pColor;
pLabelEngineLayerProperties = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
pLabelEngineLayerProperties.Symbol = pTextSymbol;
pLabelEngineLayerProperties.IsExpressionSimple = true;
pLabelEngineLayerProperties.Expression = "[DESCRIP]";//需要中括号,这里显示NAME字段属性
pLabelEngineLayerProperties.BasicOverposterLayerProperties.LineLabelPosition = pLineLabelPosition;
pAnnotateLayerProperties = (IAnnotateLayerProperties)pLabelEngineLayerProperties;
pAnnotateLayerProperties.DisplayAnnotation = true;
pAnnotateLayerProperties.FeatureLayer = pGeoFeatureLayer;
pAnnotateLayerProperties.LabelWhichFeatures = esriLabelWhichFeatures.esriAllFeatures;
pAnnotateLayerProperties.WhereClause = "";
pGeoFeatureLayer.AnnotationProperties.Add(pAnnotateLayerProperties);
pGeoFeatureLayer.DisplayAnnotation = true;
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
axMapControl1.ActiveView.Refresh();
}
}
//标注图层
public void FunLabelFeatureLayer(IFeatureLayer pFeaturelayer, string sLableField, IRgbColor pRGB, ITextSymbol textSymbol)
{
//判断图层是否为空
if (pFeaturelayer == null)
{
return;
}
IGeoFeatureLayer pGeoFeaturelayer = (IGeoFeatureLayer)pFeaturelayer;
IAnnotateLayerPropertiesCollection pAnnoLayerPropsCollection;
pAnnoLayerPropsCollection = pGeoFeaturelayer.AnnotationProperties;
pAnnoLayerPropsCollection.Clear();
//未指定字体颜色则默认为黑色
if (pRGB == null)
{
pRGB = new RgbColor();
pRGB.Red = 0;
pRGB.Green = 0;
pRGB.Blue = 0;
}
IBasicOverposterLayerProperties pBasicOverposterlayerProps = new BasicOverposterLayerProperties();
switch (pFeaturelayer.FeatureClass.ShapeType)//判断图层类型
{
case esriGeometryType.esriGeometryPolygon:
pBasicOverposterlayerProps.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
break;
case esriGeometryType.esriGeometryPoint:
pBasicOverposterlayerProps.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
break;
case esriGeometryType.esriGeometryPolyline:
pBasicOverposterlayerProps.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
break;
}
ILabelEngineLayerProperties pLabelEnginelayerProps = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
pLabelEnginelayerProps.Expression = "[" + sLableField + "]";
pLabelEnginelayerProps.Symbol = textSymbol;
pLabelEnginelayerProps.BasicOverposterLayerProperties = pBasicOverposterlayerProps;
pAnnoLayerPropsCollection.Add((IAnnotateLayerProperties)pLabelEnginelayerProps);
pGeoFeaturelayer.DisplayAnnotation = true;
}
protected override void OnClick()
{
IMap map = ArcMap.Document.ActiveView as IMap;
IGeoFeatureLayer geoFeatureLayer = map.get_Layer(0) as IGeoFeatureLayer;
IAnnotateLayerPropertiesCollection annotateLayerPropertiesCollection = geoFeatureLayer.AnnotationProperties;
LabelEngineLayerProperties labelEngineLayerProperties = new LabelEngineLayerProperties();
IAnnotateLayerProperties annotateLayerProperties = labelEngineLayerProperties as IAnnotateLayerProperties;
IElementCollection placedElements = new ElementCollection();
IElementCollection unplacedElements = new ElementCollection();
annotateLayerPropertiesCollection.QueryItem(1, out annotateLayerProperties, out placedElements, out unplacedElements); // 0 = default, 1 = 1st Class
string className = annotateLayerProperties.Class;
System.Diagnostics.Debug.WriteLine("Class Name: " + className);
ArcMap.Application.CurrentTool = null;
}
protected override void OnClick()
{
IMap map = ArcMap.Document.ActiveView as IMap;
IGeoFeatureLayer geoFeatureLayer = map.get_Layer(0) as IGeoFeatureLayer;
IAnnotateLayerPropertiesCollection annotateLayerPropertiesCollection = geoFeatureLayer.AnnotationProperties;
LabelEngineLayerProperties labelEngineLayerProperties = new LabelEngineLayerProperties();
IAnnotateLayerProperties annotateLayerProperties = labelEngineLayerProperties as IAnnotateLayerProperties;
IElementCollection placedElements = new ElementCollection();
IElementCollection unplacedElements = new ElementCollection();
annotateLayerPropertiesCollection.QueryItem(1, out annotateLayerProperties, out placedElements, out unplacedElements); // 0 = default, 1 = 1st Class
string className = annotateLayerProperties.Class;
System.Diagnostics.Debug.WriteLine("Class Name: " + className);
ArcMap.Application.CurrentTool = null;
}
// *********************
// Author: Erika Kamptner
// Created Date: 3/13/2017
// Description: The LabelFeatures function is used throughout the LoadCSCLFeatureClass method by applying a string
// expression to the pGeoFeatureLayer.
//
// **************************
public static void LabelFeatures(IGeoFeatureLayer pGeoFeatureLayer, string strExpression)
{
IAnnotateLayerPropertiesCollection pAnnoLayer;
pAnnoLayer = pGeoFeatureLayer.AnnotationProperties;
IAnnotateLayerProperties pAnnoLayerProps;
pAnnoLayerProps = new LabelEngineLayerProperties() as IAnnotateLayerProperties;
IElementCollection placedElements = new ElementCollectionClass();
IElementCollection unplacedElements = new ElementCollectionClass();
pAnnoLayer.QueryItem(0, out pAnnoLayerProps, out placedElements, out unplacedElements);
ILabelEngineLayerProperties pLabelProps;
pLabelProps = (ILabelEngineLayerProperties)pAnnoLayerProps;
pLabelProps.Symbol.Color = SetColor(0, 0, 0);
pLabelProps.Expression = strExpression;
}
/// <summary>
/// 从图层对应节点的XML中读取当前层的标注设置
/// </summary>
/// <param name="pAnnoLayerProper"></param>
public static void ReadLabelConfigFromXML(ref IAnnotateLayerProperties pAnnoLayerProper, XmlNode nodeLayerXml, string pFeatureType)
{
//设置标注的相关信息 ;
ILabelEngineLayerProperties pLabelEngineLayerProperties = null;
if (pAnnoLayerProper == null)
{
pLabelEngineLayerProperties = new LabelEngineLayerProperties() as ILabelEngineLayerProperties;
pAnnoLayerProper = pLabelEngineLayerProperties as IAnnotateLayerProperties;
}
else
{
pLabelEngineLayerProperties = pAnnoLayerProper as ILabelEngineLayerProperties;
}
IAnnotationExpressionEngine pAnnoVBScriptEngine = new AnnotationVBScriptEngineClass();
pLabelEngineLayerProperties.ExpressionParser = pAnnoVBScriptEngine;
IBasicOverposterLayerProperties4 pBasicOverposterLayerProperties = pLabelEngineLayerProperties.BasicOverposterLayerProperties as IBasicOverposterLayerProperties4;
switch (pFeatureType)
{
case "esriGeometryPoint":
pBasicOverposterLayerProperties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
break;
case "esriGeometryPolyline":
pBasicOverposterLayerProperties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
break;
case "esriGeometryPolygon":
pBasicOverposterLayerProperties.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
break;
}
ITextSymbol pTextSymbol = pLabelEngineLayerProperties.Symbol;
IFontDisp pFont = pTextSymbol.Font;
foreach (XmlNode nd in nodeLayerXml)
{
if (nd.Name == "AttrLabel")
{
//读取共同的标注设置信息
pFont.Name = nd.Attributes["FontName"].Value;
pFont.Size = Convert.ToDecimal(nd.Attributes["FontSize"].Value.ToLower());
if (nd.Attributes["FontBold"].Value != "")
{
pFont.Bold = Convert.ToBoolean(nd.Attributes["FontBold"].Value.ToLower());
}
if (nd.Attributes["FontItalic"].Value != "")
{
pFont.Italic = Convert.ToBoolean(nd.Attributes["FontItalic"].Value.ToLower());
}
if (nd.Attributes["FontUnderLine"].Value != "")
{
pFont.Underline = Convert.ToBoolean(nd.Attributes["FontUnderLine"].Value.ToLower());
}
pTextSymbol.Font = pFont;
IColor pColor = new RgbColorClass();
if (nd.Attributes["FontBoldColor"].Value != "")
{
pColor.RGB = Convert.ToInt32(nd.Attributes["FontBoldColor"].Value);
}
else
{
pColor.RGB = 36054566;
//pColor.Green = 0;
//pColor.Blue = 0;
pTextSymbol.Color = pColor as IColor;
}
pTextSymbol.Color = pColor;
if (nd.Attributes["Expression"].Value != "")
{
pLabelEngineLayerProperties.Expression = "[" + nd.Attributes["Expression"].Value + "]";
}
if (nd.Attributes["MaxScale"].Value != "" && nd.Attributes["MaxScale"].Value != null)
{
pAnnoLayerProper.AnnotationMaximumScale = Convert.ToDouble(nd.Attributes["MaxScale"].Value);
}
if (nd.Attributes["MinScale"].Value != "" && nd.Attributes["MinScale"].Value != null)
{
pAnnoLayerProper.AnnotationMinimumScale = Convert.ToDouble(nd.Attributes["MinScale"].Value);
}
if (nd.Attributes["NumLabelsOption"].Value == "esriOneLabelPerName")
{
pBasicOverposterLayerProperties.NumLabelsOption = esriBasicNumLabelsOption.esriOneLabelPerName;
}
else if (nd.Attributes["NumLabelsOption"].Value == "esriOneLabelPerPart")
{
pBasicOverposterLayerProperties.NumLabelsOption = esriBasicNumLabelsOption.esriOneLabelPerPart;
}
else if (nd.Attributes["NumLabelsOption"].Value == "esriOneLabelPerShape")
{
pBasicOverposterLayerProperties.NumLabelsOption = esriBasicNumLabelsOption.esriOneLabelPerShape;
}
//下面按不同要素类型读取不同的标注设置信息
//点要素
if (pBasicOverposterLayerProperties.FeatureType == esriBasicOverposterFeatureType.esriOverposterPoint)
{
pBasicOverposterLayerProperties.PointPlacementOnTop = Convert.ToBoolean(nd.Attributes["PointPlacementOnTop"].Value.ToLower());
if (nd.Attributes["PointPlacementMethod"].Value == "esriAroundPoint")
{
pBasicOverposterLayerProperties.PointPlacementMethod = esriOverposterPointPlacementMethod.esriAroundPoint;
IPointPlacementPriorities pPointPlacementPriorities = pBasicOverposterLayerProperties.PointPlacementPriorities;
string strPlacement;
try
{
//读取标注位置的设置
strPlacement = nd.Attributes["PointPlacementPriorities"].Value;
SetPlacementPriotities(pPointPlacementPriorities, strPlacement);
pBasicOverposterLayerProperties.PointPlacementPriorities = pPointPlacementPriorities;
}
catch
{
//MessageBox.Show("该图层XML中不存在PointPlacementPriorities属性！");
}
}
else if (nd.Attributes["PointPlacementMethod"].Value == "esriOnTopPoint")
{
pBasicOverposterLayerProperties.PointPlacementMethod = esriOverposterPointPlacementMethod.esriOnTopPoint;
}
else if (nd.Attributes["PointPlacementMethod"].Value == "esriSpecifiedAngles")
{
double[] dArray = new double[1];
string sAngle = nd.Attributes["PointPlacementAngles"].Value;
if (sAngle.Contains(",") == false)
{
dArray[0] = Convert.ToDouble(sAngle);
}
else
{
string[] sAngles = sAngle.Split(new char[] { ',' });
dArray = new double[sAngles.Length];
for (int i = 0; i < sAngles.Length; i++)
{
dArray[i] = Convert.ToDouble(sAngles[i]);
}
}
pBasicOverposterLayerProperties.PointPlacementAngles = dArray;
}
else if (nd.Attributes["PointPlacementMethod"].Value == "esriRotationField")
{
pBasicOverposterLayerProperties.PointPlacementMethod = esriOverposterPointPlacementMethod.esriRotationField;
pBasicOverposterLayerProperties.RotationField = nd.Attributes["RotationField"].Value;
if (nd.Attributes["RotationType"].Value == "esriRotateLabelArithmetic")
{
pBasicOverposterLayerProperties.RotationType = esriLabelRotationType.esriRotateLabelArithmetic;
}
else if (nd.Attributes["RotationType"].Value == "esriRotateLabelGeographic")
{
pBasicOverposterLayerProperties.RotationType = esriLabelRotationType.esriRotateLabelGeographic;
}
pBasicOverposterLayerProperties.PerpendicularToAngle = Convert.ToBoolean(nd.Attributes["PerpendicularToAngle"].Value);
}
}
//线要素
else if (pBasicOverposterLayerProperties.FeatureType == esriBasicOverposterFeatureType.esriOverposterPolyline)
{
ILineLabelPosition pLineLabelPosition = pBasicOverposterLayerProperties.LineLabelPosition;
if (nd.Attributes["Above"] != null)
{
pLineLabelPosition.Above = Convert.ToBoolean(nd.Attributes["Above"].Value);
}
if (nd.Attributes["AtEnd"] != null)
{
pLineLabelPosition.AtEnd = Convert.ToBoolean(nd.Attributes["AtEnd"].Value);
}
if (nd.Attributes["AtStart"] != null)
{
pLineLabelPosition.AtStart = Convert.ToBoolean(nd.Attributes["AtStart"].Value);
}
if (nd.Attributes["Below"] != null)
{
pLineLabelPosition.Below = Convert.ToBoolean(nd.Attributes["Below"].Value);
}
if (nd.Attributes["Horizontal"] != null)
{
pLineLabelPosition.Horizontal = Convert.ToBoolean(nd.Attributes["Horizontal"].Value);
}
if (nd.Attributes["InLine"] != null)
{
pLineLabelPosition.InLine = Convert.ToBoolean(nd.Attributes["InLine"].Value);
}
if (nd.Attributes["Left"] != null)
{
pLineLabelPosition.Left = Convert.ToBoolean(nd.Attributes["Left"].Value);
}
if (nd.Attributes["Offset"] != null)
{
pLineLabelPosition.Offset = Convert.ToDouble(nd.Attributes["Offset"].Value);
}
if (nd.Attributes["OnTop"] != null)
{
pLineLabelPosition.OnTop = Convert.ToBoolean(nd.Attributes["OnTop"].Value);
}
if (nd.Attributes["Parallel"] != null)
{
pLineLabelPosition.Parallel = Convert.ToBoolean(nd.Attributes["Parallel"].Value);
}
if (nd.Attributes["Perpendicular"] != null)
{
pLineLabelPosition.Perpendicular = Convert.ToBoolean(nd.Attributes["Perpendicular"].Value);
}
if (nd.Attributes["ProduceCurvedLabels"] != null)
{
pLineLabelPosition.ProduceCurvedLabels = Convert.ToBoolean(nd.Attributes["ProduceCurvedLabels"].Value);
}
if (nd.Attributes["Right"] != null)
{
pLineLabelPosition.Right = Convert.ToBoolean(nd.Attributes["Right"].Value);
}
}
//面要素
else if (pBasicOverposterLayerProperties.FeatureType == esriBasicOverposterFeatureType.esriOverposterPolygon)
{
if (nd.Attributes["PolygonPlacementMethod"].Value == "esriAlwaysHorizontal")
{
pBasicOverposterLayerProperties.PolygonPlacementMethod = esriOverposterPolygonPlacementMethod.esriAlwaysHorizontal;
}
else if (nd.Attributes["PolygonPlacementMethod"].Value == "esriAlwaysStraight")
{
pBasicOverposterLayerProperties.PolygonPlacementMethod = esriOverposterPolygonPlacementMethod.esriAlwaysStraight;
}
else if (nd.Attributes["PolygonPlacementMethod"].Value == "esriMixedStrategy")
{
pBasicOverposterLayerProperties.PolygonPlacementMethod = esriOverposterPolygonPlacementMethod.esriMixedStrategy;
}
pBasicOverposterLayerProperties.PlaceOnlyInsidePolygon = Convert.ToBoolean(nd.Attributes["PlaceOnlyInsidePolygon"].Value);
}
}
}
}
