private void 添加点型图层ToolStripMenuItem_Click(object sender, EventArgs e)
{
//创建要素类
#region 创建新的内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace pMemoryWS = (IWorkspace)pName.Open();
#endregion
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "OBJECTID";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
oFieldEdit.IsNullable_2 = false;
oFieldEdit.Required_2 = false;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
pGeoDefEdit.AvgNumPoints_2 = 5;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.HasM_2 = false;
pGeoDefEdit.HasZ_2 = false;
pGeoDefEdit.SpatialReference_2 = axMapControl1.SpatialReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = pGeoDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "Code";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
//oFieldEdit.Length = 10;
oFieldEdit.IsNullable_2 = true;
oFieldsEdit.AddField(oField);
//创建要素类
oFeatureClass = (pMemoryWS as IFeatureWorkspace).CreateFeatureClass("Temp", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "PointLayer";
oFeatureLayer.FeatureClass = oFeatureClass;
//创建唯一值符号化对象
IUniqueValueRenderer pURender = new UniqueValueRendererClass();
pURender.FieldCount = 1;
pURender.set_Field(0, "Code");
pURender.UseDefaultSymbol = false;
//创建SimpleMarkerSymbolClass对象
ISimpleMarkerSymbol pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
//创建RgbColorClass对象为pSimpleMarkerSymbol设置颜色
IRgbColor pRgbColor = new RgbColorClass();
pRgbColor.Red = 255;
pSimpleMarkerSymbol.Color = pRgbColor as IColor;
//设置pSimpleMarkerSymbol对象的符号类型，选择钻石
pSimpleMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSDiamond;
//设置pSimpleMarkerSymbol对象大小，设置为５
pSimpleMarkerSymbol.Size = 5;
//显示外框线
pSimpleMarkerSymbol.Outline = true;
//为外框线设置颜色
IRgbColor pLineRgbColor = new RgbColorClass();
pLineRgbColor.Green = 255;
pSimpleMarkerSymbol.OutlineColor = pLineRgbColor as IColor;
//设置外框线的宽度
pSimpleMarkerSymbol.OutlineSize = 1;
//半透明颜色
pURender.AddValue("1", "", pSimpleMarkerSymbol as ISymbol);
//唯一值符号化内存图层
(oFeatureLayer as IGeoFeatureLayer).Renderer = pURender as IFeatureRenderer;
ILayerEffects pLyrEffect = oFeatureLayer as ILayerEffects;
//透明度
pLyrEffect.Transparency = 0;
oFeatureLayer.Visible = true;
this.axMapControl1.AddLayer(oFeatureLayer,axMapControl1.LayerCount);
insertpoint = true;
}
public IWorkspace CreateInMemoryWorkspace()
{
IWorkspaceFactory workspaceFactory = null;
IWorkspaceName workspaceName = null;
IName name = null;
IWorkspace workspace = null;
try
{
// Create an InMemory workspace factory.
workspaceFactory = new InMemoryWorkspaceFactoryClass();
// Create an InMemory geodatabase.
workspaceName = workspaceFactory.Create("", "MyWorkspace",
null, 0);
// Cast for IName.
name = (IName)workspaceName;
//Open a reference to the InMemory workspace through the name object.
workspace = (IWorkspace)name.Open();
return(workspace);
}
catch
{
return(null);
}
finally
{
workspaceFactory = null;
workspaceName = null;
name = null;
}
}
//通过intersect关系进行裁切
public void ClipByExtent(int groupNm, int extNum)
{
IGeometry extent = GetClipExtent(extNum);
string findName = "grp" + groupNm.ToString() + "ext0";
IGroupLayer grpLy = avlbLayers.Find(item => item.Name == findName);
ICompositeLayer comLy = grpLy as ICompositeLayer;
IGroupLayer newGroupLayer = new GroupLayerClass();
newGroupLayer.Name = "grp" + groupNm.ToString() + "ext" + extNum.ToString();
for (int i = 0; i < comLy.Count; i++)
{
IFeatureLayer feaLy = comLy.get_Layer(i) as IFeatureLayer;
IFeatureClass clipFC = feaLy.FeatureClass;
IFields flds = clipFC.Fields;
ISpatialFilter spatialFilter = new SpatialFilterClass();
spatialFilter.Geometry = extent;
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
IFeatureCursor cursor = clipFC.Search(spatialFilter, false);
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create(null, "MyWorkspace", null, 0);
IName name = (IName)workspaceName;
IWorkspace workspace = (IWorkspace)name.Open();
IFeatureWorkspace inmemFeaWksp = workspace as IFeatureWorkspace;
if (clipFC.ShapeType == esriGeometryType.esriGeometryPoint)
{
IFeatureClass inmemPTFC = CreateWithoutDescription("inmemPTFC_" + groupNumber.ToString(), null, inmemFeaWksp, clipFC.ShapeType, flds);
InsertFeaturesBoun(inmemPTFC, cursor, extent);
IFeatureLayer inmemPTFCLayer = new FeatureLayerClass();
inmemPTFCLayer.FeatureClass = inmemPTFC;
newGroupLayer.Add(inmemPTFCLayer);
}
else if (clipFC.ShapeType == esriGeometryType.esriGeometryPolyline)
{
IFeatureClass inmemLNFC = CreateWithoutDescription("inmemLNFC" + groupNumber.ToString(), null, inmemFeaWksp, clipFC.ShapeType, flds);
InsertFeaturesBoun(inmemLNFC, cursor, extent);
IFeatureLayer inmemLNFCLayer = new FeatureLayerClass();
inmemLNFCLayer.FeatureClass = inmemLNFC;
newGroupLayer.Add(inmemLNFCLayer);
}
else if (clipFC.ShapeType == esriGeometryType.esriGeometryPolygon)
{
IFeatureClass inmemPLGFC = CreateWithoutDescription("inmemPLGFC" + groupNumber.ToString(), null, inmemFeaWksp, clipFC.ShapeType, flds);
InsertFeaturesBoun(inmemPLGFC, cursor, extent);
IFeatureLayer inmemPLGFCLayer = new FeatureLayerClass();
inmemPLGFCLayer.FeatureClass = inmemPLGFC;
newGroupLayer.Add(inmemPLGFCLayer);
}
}
avlbLayers.Add(newGroupLayer);
}
public ITable DataTableToAETable(DataTable table, string name)
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
IName names = (IName)workspaceName;
IWorkspace inmemWor = (IWorkspace)names.Open();
ITable pTable = DataTableToAETable(table, inmemWor as IFeatureWorkspace, name);
if (names != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(names);
}
if (workspaceFactory != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceFactory);
}
if (workspaceName != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceName);
}
if (inmemWor != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(inmemWor);
}
return(pTable);
}
/// <summary>
/// 创建内存IFeatureLayer，该方法为创建内存临时图层的便捷方法，创建的图层带有id,和name两个属性字段。
/// </summary>
/// <param name="myAxMapControl">AxMapControl扩展对象</param>
/// <param name="strIFeatureClassName">IFeatureClass名称</param>
/// <param name="myEsriGeometryType">数据类型</param>
/// <returns>IFeatureLayer对象</returns>
public static IFeatureLayer CreateMemoryFeatureLayer(this AxMapControl myAxMapControl, String strIFeatureClassName, esriGeometryType myEsriGeometryType)
{
IWorkspaceFactory myIWorkspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName myIWorkspaceName = myIWorkspaceFactory.Create("", strIFeatureClassName, null, 0);
IName myIName = (IName)myIWorkspaceName;
IWorkspace myIWorkspace = (IWorkspace)myIName.Open();
IField myIField = null;
IFields myIFields = new FieldsClass();
IFieldsEdit myIFieldsEdit = myIFields as IFieldsEdit;
IFieldEdit myIFieldEdit = null;
IFeatureClass myIFeatureClass = null;
IFeatureLayer myIFeatureLayer = null;
try
{
//主键id
myIField = new FieldClass();
myIFieldEdit = myIField as IFieldEdit;
myIFieldEdit.Name_2 = "id";
myIFieldEdit.IsNullable_2 = true;
myIFieldEdit.Length_2 = 50;
myIFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
myIFieldsEdit.AddField(myIField);
//名称name
myIField = new FieldClass();
myIFieldEdit = myIField as IFieldEdit;
myIFieldEdit.Name_2 = "name";
myIFieldEdit.IsNullable_2 = true;
myIFieldEdit.Length_2 = 50;
myIFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
myIFieldsEdit.AddField(myIField);
//IGeometryI字段
IGeometryDef myIGeometryDef = new GeometryDefClass();
IGeometryDefEdit myIGeometryDefEdit = (IGeometryDefEdit)myIGeometryDef;
myIGeometryDefEdit.AvgNumPoints_2 = 5;
myIGeometryDefEdit.GeometryType_2 = myEsriGeometryType;
myIGeometryDefEdit.GridCount_2 = 1;
myIGeometryDefEdit.HasM_2 = false;
myIGeometryDefEdit.HasZ_2 = false;
myIGeometryDefEdit.SpatialReference_2 = myAxMapControl.SpatialReference;
myIField = new FieldClass();
myIFieldEdit = myIField as IFieldEdit;
myIFieldEdit.Name_2 = "SHAPE";
myIFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
myIFieldEdit.GeometryDef_2 = myIGeometryDef;
myIFieldEdit.IsNullable_2 = true;
myIFieldEdit.Required_2 = true;
myIFieldsEdit.AddField(myIField);
//
myIFeatureClass = (myIWorkspace as IFeatureWorkspace).CreateFeatureClass(strIFeatureClassName, myIFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
(myIFeatureClass as IDataset).BrowseName = strIFeatureClassName;
myIFeatureLayer = new FeatureLayerClass();
myIFeatureLayer.Name = strIFeatureClassName;
myIFeatureLayer.FeatureClass = myIFeatureClass;
}
catch
{
}
return(myIFeatureLayer);
}
/// <summary>
/// Join Urban-rural Devide Table
/// </summary>
/// <param name="layer"></param>
/// <param name="year"></param>
/// <author>Shen Yongyuan</author>
/// <date>20091111</date>
public static void JoinDevideTable(ILayer layer, int year, string city)
{
//Add Fields
IFieldsEdit allFields = new FieldsClass();
IFieldEdit field1 = new FieldClass();
field1.Name_2 = "ID";
field1.Type_2 = esriFieldType.esriFieldTypeString;
allFields.AddField(field1);
IFieldEdit field2 = new FieldClass();
field2.Name_2 = Town.Constant.Constant.TmpFieldName;
field2.Type_2 = esriFieldType.esriFieldTypeString;
allFields.AddField(field2);
//Create Table
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", "Temporary WorkSpace In Memory", null, 0);
IFeatureWorkspace workspace = ((IName)workspaceName).Open() as IFeatureWorkspace;
ITable table = workspace.CreateTable(Town.Constant.Constant.TmpTableDevide, allFields, null, null, "");
//Import Data
IWorkspaceEdit workspaceEdit = workspace as IWorkspaceEdit;
workspaceEdit.StartEditing(false);
workspaceEdit.StartEditOperation();
ICursor cursor = table.Insert(true);
int fldField1 = cursor.Fields.FindField("ID");
int fldField2 = cursor.Fields.FindField(Town.Constant.Constant.TmpFieldName);
//Query and Import
Dictionary <int, string> devideResult = DataLib.DA_Devide.GetDevideResult(year, city);
foreach (KeyValuePair <int, string> d in devideResult)
{
IRowBuffer buffer = table.CreateRowBuffer();
buffer.set_Value(fldField1, d.Key.ToString());
buffer.set_Value(fldField2, d.Value);
cursor.InsertRow(buffer);
}
cursor.Flush();
workspaceEdit.StartEditOperation();
workspaceEdit.StopEditing(true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(cursor);
//Join
IMemoryRelationshipClassFactory pMemRelFact = new MemoryRelationshipClassFactory();
IFeatureLayer feaLayer = layer as IFeatureLayer;
ITable originTable = feaLayer.FeatureClass as ITable;
IRelationshipClass pRelClass = pMemRelFact.Open("Join", originTable as IObjectClass, "ID",
table as IObjectClass, "ID", "forward", "backward",
esriRelCardinality.esriRelCardinalityOneToOne);
IDisplayRelationshipClass pDispRC = feaLayer as IDisplayRelationshipClass;
pDispRC.DisplayRelationshipClass(null, esriJoinType.esriLeftOuterJoin);
pDispRC.DisplayRelationshipClass(pRelClass, esriJoinType.esriLeftOuterJoin);
}
public ITable DataTableToAETable(DataTable table, string[] fieldName, string name)
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
IName names = (IName)workspaceName;
IWorkspace inmemWor = (IWorkspace)names.Open();
return(DataTableToAETable(table, inmemWor as IFeatureWorkspace, fieldName, name));
}
private IWorkspace CreateInMemoryWorkspace()
{
var newWorkspaceFactory = new InMemoryWorkspaceFactoryClass();
var workspaceName = newWorkspaceFactory.Create("", "MCDAWorkspace", null, 0);
var name = (IName)workspaceName;
var inMemoryWorkspace = (IWorkspace)name.Open();
return(inMemoryWorkspace);
}
/// <summary>
/// 创建内存工作空间
/// </summary>
/// <param name="strWorkspaceName">内存工作空间名称</param>
/// <returns></returns>
public static IWorkspace NewInMemoryWorkspace(string strWorkspaceName)
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", strWorkspaceName, null, 0);
IName name = (IName)workspaceName;
IWorkspace workspace = (IWorkspace)name.Open();
Marshal.ReleaseComObject(workspaceFactory);
return(workspace);
}
/// <summary>
/// 获得内存中的要素工作空间
/// </summary>
/// <returns></returns>
public IFeatureWorkspace FeatureWorkspace()
{
IWorkspaceFactory pWorkspacFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWorkspaceName = pWorkspacFactory.Create("", "pWorkspace", null, 0);
IName pName = (IName)pWorkspaceName;
IWorkspace pWorkspace = (IWorkspace)pName.Open();
IFeatureWorkspace pFeatuerwok = (IFeatureWorkspace)pWorkspace;
return(pFeatuerwok);
}
/// <summary>
/// 根据字段集合创建一个内存要素类
/// </summary>
/// <param name="fields"></param>
/// <param name="shapeFiledName"></param>
/// <param name="className"></param>
/// <returns></returns>
public static IFeatureClass CreateMemoryFeatureClass(IFields fields, string shapeFiledName, string className)
{
// 创建内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace memoryWS = (IWorkspace)pName.Open();
//创建要素类
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)memoryWS;
IFeatureClass featureClass = featureWorkspace.CreateFeatureClass(
className, fields, null, null, esriFeatureType.esriFTSimple, shapeFiledName, "");
return(featureClass);
}
/// <summary>
/// 建立記憶體中的workspace
/// </summary>
public void CreateInstance()
{
// Create an in-memory workspace factory.
IWorkspaceFactory2 pWorkspaceFactory;
pWorkspaceFactory = new InMemoryWorkspaceFactoryClass() as IWorkspaceFactory2;
// Create a new in-memory workspace. This returns a name object.
IWorkspaceName pWorkspaceName = pWorkspaceFactory.Create(null, workspaceName, null, 0);
IName pName = (IName)pWorkspaceName;
// Open the workspace through the name object.
//IWorkspace workspace = (IWorkspace)name.Open();
pWorkspace = (IWorkspace)pName.Open();
}
/// <summary>
/// This function creates a copy of a feature class in memory.
/// The fields are added - including an x/y field for the shape.x and shape.y
/// for use in the copy features function.
/// </summary>
/// <param name="pFC">a Feature class -- any fc will do (ie: FC, shapefile)</param>
/// <returns>IFeatureClass - an in memory fc with 2 additional fields</returns>
/// <notes>
/// Modified from Kirk Kuykendall's code from this post
/// http://forums.esri.com/Thread.asp?c=93&f=993&t=210767&mc=12#msgid652601
/// </notes>
/// <changelog>
/// djr
/// comments created.
///
/// </changelog>
public IFeatureClass cacheToMemory(IFeatureClass pFC, string xValue, string yValue)
{
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IName pName = (IName)pWSF.Create("", "inmemory", null, 0);
IFeatureWorkspace pFWS = (IFeatureWorkspace)pName.Open();
IFields pFlds = this.copyFields(pFC.Fields, xValue, yValue);
char[] period = { '.' };
string[] vShpFld = pFC.ShapeFieldName.Split(period);
IFeatureClass pInMemFC = (IFeatureClass)pFWS.CreateFeatureClass(pFC.AliasName, pFlds, pFC.CLSID, null, pFC.FeatureType, vShpFld[vShpFld.GetUpperBound(0)].ToString(), "");
return(pInMemFC);
}
public static ESRI.ArcGIS.Geodatabase.IWorkspace GetWorkspace(string inXMLFile)
{
IWorkspaceFactory inMemoryWorkspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = inMemoryWorkspaceFactory.Create("", "InMemory", null, 0);
IName name = workspaceName as IName;
IWorkspace workspace = (IWorkspace)name.Open();
//Create a GDB importer
IGdbXmlImport xmlImport = new GdbImporterClass();
// Read schema section from the XML file.
// Note: enumNameMapping is initialized to nothing and its value is set 'by ref' with a call to the GenerateNameMapping method.
IEnumNameMapping eNameMapping = null;
xmlImport.GenerateNameMapping(inXMLFile, workspace, out eNameMapping);
//Create the workspace schema and load the data
xmlImport.ImportWorkspace(inXMLFile, eNameMapping, workspace, false);
return(workspace);
}
/// <summary>
/// 创建一个只包含几何字段的简单内存要素类
/// </summary>
/// <param name="geometryType"></param>
/// <param name="spatialReference"></param>
/// <param name="className"></param>
/// <returns></returns>
public static IFeatureClass CreateMemorySimpleFeatureClass(esriGeometryType geometryType, ISpatialReference spatialReference, string className)
{
// 创建内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace memoryWS = (IWorkspace)pName.Open();
//创建字段集
IField field = new FieldClass();
IFields fields = new FieldsClass();
IFieldsEdit fieldsEdit = fields as IFieldsEdit;
IFieldEdit fieldEdit = field as IFieldEdit;
//创建图形字段
field = new FieldClass();
fieldEdit = field as IFieldEdit;
IGeometryDef geoDef = new GeometryDefClass();
IGeometryDefEdit geoDefEdit = (IGeometryDefEdit)geoDef;
geoDefEdit.AvgNumPoints_2 = 5;
geoDefEdit.GeometryType_2 = geometryType;
geoDefEdit.GridCount_2 = 1;
geoDefEdit.HasM_2 = false;
geoDefEdit.HasZ_2 = false;
geoDefEdit.SpatialReference_2 = spatialReference;
fieldEdit.Name_2 = "SHAPE";
fieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
fieldEdit.GeometryDef_2 = geoDef;
fieldEdit.IsNullable_2 = true;
fieldEdit.Required_2 = true;
fieldsEdit.AddField(field);
//创建要素类
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)memoryWS;
IFeatureClass featureClass = featureWorkspace.CreateFeatureClass(
className, fields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
return(featureClass);
}
private void 添加面形地物ToolStripMenuItem_Click(object sender, EventArgs e)
{
//创建要素类
#region 创建新的内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace pMemoryWS = (IWorkspace)pName.Open();
#endregion
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "OBJECTID";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
oFieldEdit.IsNullable_2 = false;
oFieldEdit.Required_2 = false;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
pGeoDefEdit.AvgNumPoints_2 = 5;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.HasM_2 = false;
pGeoDefEdit.HasZ_2 = false;
pGeoDefEdit.SpatialReference_2 = axMapControl1.SpatialReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = pGeoDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "Code";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
oFieldEdit.IsNullable_2 = true;
oFieldsEdit.AddField(oField);
//创建要素类
oFeatureClass = (pMemoryWS as IFeatureWorkspace).CreateFeatureClass("Temp", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "PolygonLayer";
oFeatureLayer.FeatureClass = oFeatureClass;
//创建唯一值符号化对象
IUniqueValueRenderer pURender = new UniqueValueRendererClass();
pURender.FieldCount = 1;
pURender.set_Field(0, "Code");
pURender.UseDefaultSymbol = false;
ISimpleFillSymbol pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//半透明颜色
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 255;
pFillSym.Color = pColor;
pURender.AddValue("1", "", pFillSym as ISymbol);
pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//唯一值符号化内存图层
(oFeatureLayer as IGeoFeatureLayer).Renderer = pURender as IFeatureRenderer;
ILayerEffects pLyrEffect = oFeatureLayer as ILayerEffects;
//透明度
pLyrEffect.Transparency = 0;
this.axMapControl1.AddLayer(oFeatureLayer, axMapControl1.LayerCount);
insertPolygon = true;
}
/// <summary>
/// 根据离散点数据动态生成featureclass点图层
/// </summary>
/// <params name="vectors"></params>
/// <returns></returns>
private static IFeatureClass GetFeatureCLass(LibGeometry.Vector3_DW[] vectors,ESRI.ArcGIS.Controls.AxMapControl map)
{
IWorkspaceFactory pWorkspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWorkspaceName = pWorkspaceFactory.Create("", "pWorkspace", null, 0);
IName pName = (IName)pWorkspaceName;
IWorkspace pWorkspace = (IWorkspace)pName.Open();
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFields pFields = new FieldsClass();
IFieldsEdit pFieldsEdit = pFields as IFieldsEdit;
IField pField = new FieldClass();
IFieldEdit pFieldEdit = pField as IFieldEdit;
pFieldEdit.Name_2 = "SHAPE";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
IGeometryDef pGeometryDef = new GeometryDefClass();
IGeometryDefEdit pGeometryDefEdit = pGeometryDef as IGeometryDefEdit;
pGeometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
//为FeatureClass赋参考系，不写会出错***************************************
pGeometryDefEdit.SpatialReference_2 = map.SpatialReference;
//************************************************************************
pFieldEdit.GeometryDef_2 = pGeometryDef;
pFieldsEdit.AddField(pField);
pField = new FieldClass();//不要省略写！容易出问题
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "高程";
pFieldEdit.Name_2 = "CoordinateZ";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldsEdit.AddField(pField);
pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(Application.StartupPath+"\\tempRaster", 0) as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.CreateFeatureClass("points", pFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
//IWorkspaceFactory pWorkSpaceFac = new ShapefileWorkspaceFactoryClass();
//IFeatureWorkspace pFeatureWorkSpace = pWorkSpaceFac.OpenFromFile(shpfolder, 0) as IFeatureWorkspace;
////创建字段集2
//IFeatureClassDescription fcDescription = new FeatureClassDescriptionClass();
//IObjectClassDescription ocDescription = (IObjectClassDescription)fcDescription;//创建必要字段
//IFields fields = ocDescription.RequiredFields;
//int shapeFieldIndex = fields.FindField(fcDescription.ShapeFieldName);
//IField field = fields.get_Field(shapeFieldIndex);
//IGeometryDef geometryDef = field.GeometryDef;
//IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
////geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
////geometryDefEdit.SpatialReference_2 = spatialReference;
//geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
//ISpatialReferenceFactory pSpatialRefFac = new SpatialReferenceEnvironmentClass();
//IProjectedCoordinateSystem pcsSys = pSpatialRefFac.CreateProjectedCoordinateSystem((int)esriSRProjCS4Type.esriSRProjCS_Xian1980_3_Degree_GK_Zone_39);
//geometryDefEdit.SpatialReference_2 = pcsSys;
//IFieldChecker fieldChecker = new FieldCheckerClass();
//IEnumFieldError enumFieldError = null;
//IFields validatedFields = null; //将传入字段 转成 validatedFields
//fieldChecker.ValidateWorkspace = (IWorkspace)pFeatureWorkSpace;
//fieldChecker.Validate(fields, out enumFieldError, out validatedFields);
//pFeatureWorkSpace.CreateFeatureClass(shpname, validatedFields, ocDescription.InstanceCLSID, ocDescription.ClassExtensionCLSID, esriFeatureType.esriFTSimple, fcDescription.ShapeFieldName, "");
//从vectors中获取散点值
Dictionary<int, IPoint> pointDictionary = new Dictionary<int, IPoint>();
for (int i = 0; i < vectors.Length; i++)
{
IPoint pPoint=new PointClass();
pPoint.X = vectors[i].X;
pPoint.Y = vectors[i].Y;
pPoint.Z =vectors[i].Z;
if (pPoint.Z.ToString() != "非数字")
{
pointDictionary.Add(i, pPoint);
}
}
//插入到新建的FeatureClass中
IWorkspaceEdit pWorkspaceEdit = pWorkspace as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(true);
pWorkspaceEdit.StartEditOperation();
IFeatureBuffer pFeatureBuffer = pFeatureClass.CreateFeatureBuffer();
IFeatureCursor pFeatureCursor = pFeatureClass.Insert(true);
for (int featureNum = 4; featureNum < pointDictionary.Count;featureNum++ )
{
pFeatureBuffer.Shape = pointDictionary[featureNum] as IPoint;//出错点，在于新建字段的错误
pFeatureBuffer.set_Value(pFeatureClass.Fields.FindField("CoordinateZ"), pointDictionary[featureNum].Z);
pFeatureCursor.InsertFeature(pFeatureBuffer);
}
pFeatureCursor.Flush();
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
return pFeatureClass;
}
/// <summary>
/// Join Index
/// </summary>
/// <param name="layer"></param>
/// <param name="year"></param>
/// <author>Shen Yongyuan</author>
/// <date>20091111</date>
public static void JoinIndexTable(ILayer layer, string indexName, int year, string city, bool normal)
{
//Add Fields
IFieldsEdit allFields = new FieldsClass();
IFieldEdit field1 = new FieldClass();
field1.Name_2 = "ID";
field1.Type_2 = esriFieldType.esriFieldTypeString;
allFields.AddField(field1);
IFieldEdit field2 = new FieldClass();
field2.Name_2 = Town.Constant.Constant.TmpFieldName;
field2.Type_2 = esriFieldType.esriFieldTypeDouble;
allFields.AddField(field2);
//Create Table
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", "Temporary WorkSpace In Memory", null, 0);
IFeatureWorkspace workspace = ((IName)workspaceName).Open() as IFeatureWorkspace;
ITable table = workspace.CreateTable(Town.Constant.Constant.TmpTableIndex, allFields, null, null, "");
//Import Data
IWorkspaceEdit workspaceEdit = workspace as IWorkspaceEdit;
workspaceEdit.StartEditing(false);
workspaceEdit.StartEditOperation();
ICursor cursor = table.Insert(true);
int fldField1 = cursor.Fields.FindField("ID");
int fldField2 = cursor.Fields.FindField(Town.Constant.Constant.TmpFieldName);
IQueryable <DataLib.I_INDEX> indexCollect = DataLib.DA_Index.QueryIndex(indexName, city).Where(c => c.FromDate.Year == year);
foreach (DataLib.I_INDEX index in indexCollect)
{
IRowBuffer buffer = table.CreateRowBuffer();
buffer.set_Value(fldField1, index.I_ZONE.OID);
if (normal == false)
{
buffer.set_Value(fldField2, index.Value);
}
else if (normal == true && DataLib.DA_Index.QueryIndex(indexName, city).Min(c => c.Value) > 0)
{
buffer.set_Value(fldField2, index.Value);
}
else
{
buffer.set_Value(fldField2, index.Value + Math.Abs(DataLib.DA_Index.QueryIndex(indexName, city).Min(c => c.Value)) + 1);
}
cursor.InsertRow(buffer);
}
cursor.Flush();
workspaceEdit.StartEditOperation();
workspaceEdit.StopEditing(true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(cursor);
//Join
IMemoryRelationshipClassFactory pMemRelFact = new MemoryRelationshipClassFactory();
IFeatureLayer feaLayer = layer as IFeatureLayer;
ITable originTable = feaLayer.FeatureClass as ITable;
IRelationshipClass pRelClass = pMemRelFact.Open("Join", originTable as IObjectClass, "ID",
table as IObjectClass, "ID", "forward", "backward",
esriRelCardinality.esriRelCardinalityOneToOne);
IDisplayRelationshipClass pDispRC = feaLayer as IDisplayRelationshipClass;
pDispRC.DisplayRelationshipClass(null, esriJoinType.esriLeftOuterJoin);
pDispRC.DisplayRelationshipClass(pRelClass, esriJoinType.esriLeftOuterJoin);
}
private IWorkspace CreateInMemoryWorkspace()
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
// Create an InMemory geodatabase.
IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace",
null, 0);
// Cast for IName.
IName name = (IName)workspaceName;
//Open a reference to the InMemory workspace through the name object.
IWorkspace workspace = (IWorkspace)name.Open();
return workspace;
}
/// <summary>
/// 创建人员图层
/// </summary>
/// <param name="DataSetName"></param>
/// <param name="AliaseName"></param>
/// <param name="SpatialRef"></param>
/// <param name="GeometryType"></param>
/// <param name="PropertyFields"></param>
/// <returns></returns>
private void CreateDrawnLayer()
{
try
{
if (axMapControl1.LayerCount >= 2)
{
axMapControl1.DeleteLayer(0);
}
}
catch
{ }
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
ESRI.ArcGIS.Geodatabase.IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
ESRI.ArcGIS.esriSystem.IName name = (IName)workspaceName;
ESRI.ArcGIS.Geodatabase.IWorkspace inmemWor = (IWorkspace)name.Open();
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
try
{
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
//创建图元属性
FieldClass feadName = new FieldClass();
IFieldEdit edit = feadName;
edit.Name_2 = "Name";
edit.Type_2 = esriFieldType.esriFieldTypeString;
oFieldsEdit.AddField(feadName);
FieldClass feadID = new FieldClass();
IFieldEdit editID = feadID;
editID.Name_2 = "ID";
editID.Type_2 = esriFieldType.esriFieldTypeString;
oFieldsEdit.AddField(editID);
IGeometryDef geometryDef = new GeometryDefClass();
IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
//geometryDefEdit.AvgNumPoints_2 = 5;
geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolyline;
geometryDefEdit.GridCount_2 = 1;
geometryDefEdit.HasM_2 = false;
geometryDefEdit.HasZ_2 = false;
geometryDefEdit.SpatialReference_2 = axMapControl1.SpatialReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = geometryDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oFeatureClass = (inmemWor as IFeatureWorkspace).CreateFeatureClass("DrawnDS", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
(oFeatureClass as IDataset).BrowseName = "DrawnDS";
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "Drawn";
oFeatureLayer.FeatureClass = oFeatureClass;
}
catch
{
}
finally
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(oField);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFields);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldsEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(name);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceFactory);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(inmemWor);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFeatureClass);
}
catch { }
GC.Collect();
}
DrawnLayer = oFeatureLayer;
axMapControl1.Map.AddLayer(oFeatureLayer);
UniqueValueRenderFlyr(oFeatureLayer);
axMapControl1.Refresh();
}
/// <summary>
/// 在内存中创建图层
/// </summary>
/// <param name="DataSetName">数据集名称</param>
/// <param name="AliaseName">别名</param>
/// <param name="SpatialRef">空间参考</param>
/// <param name="GeometryType">几何类型</param>
/// <param name="PropertyFields">属性字段集合</param>
/// <returns>IfeatureLayer</returns>
public static IFeatureLayer CreateFeatureLayerInmemeory(string DataSetName, string AliaseName, ISpatialReference SpatialRef, esriGeometryType GeometryType, IFields PropertyFields)
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
ESRI.ArcGIS.Geodatabase.IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
ESRI.ArcGIS.esriSystem.IName name = (IName)workspaceName;
ESRI.ArcGIS.Geodatabase.IWorkspace inmemWor = (IWorkspace)name.Open();
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
try
{
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
if (PropertyFields != null)
{
for (int i = 0; i < PropertyFields.FieldCount; i++)
{
oFieldsEdit.AddField(PropertyFields.get_Field(i));
}
}
IGeometryDef geometryDef = new GeometryDefClass();
IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
geometryDefEdit.AvgNumPoints_2 = 5;
geometryDefEdit.GeometryType_2 = GeometryType;
geometryDefEdit.GridCount_2 = 1;
geometryDefEdit.HasM_2 = false;
geometryDefEdit.HasZ_2 = false;
geometryDefEdit.SpatialReference_2 = SpatialRef;
geometryDefEdit.SpatialReference_2 = new UnknownCoordinateSystemClass();//没有这一句就报错，说尝试读取或写入受保护的内存。
geometryDefEdit.SpatialReference.SetDomain(-450359962737.05, 450359962737.05, -450359962737.05, 450359962737.05);//没有这句就抛异常来自HRESULT：0x8004120E。
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = geometryDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oFeatureClass = (inmemWor as IFeatureWorkspace).CreateFeatureClass(DataSetName, oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
(oFeatureClass as IDataset).BrowseName = DataSetName;
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = AliaseName;
oFeatureLayer.FeatureClass = oFeatureClass;
}
catch (Exception ex)
{
}
finally
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(oField);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFields);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldsEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(name);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceFactory);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(inmemWor);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFeatureClass);
}
catch { }
GC.Collect();
}
return oFeatureLayer;
}
/// <summary>
/// 根据离散点数据动态生成featureclass点图层
/// </summary>
/// <params name="vectors"></params>
/// <returns></returns>
private static IFeatureClass GetFeatureCLass(LibGeometry.Vector3_DW[] vectors, ESRI.ArcGIS.Controls.AxMapControl map)
{
IWorkspaceFactory pWorkspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWorkspaceName = pWorkspaceFactory.Create("", "pWorkspace", null, 0);
IName pName = (IName)pWorkspaceName;
IWorkspace pWorkspace = (IWorkspace)pName.Open();
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFields pFields = new FieldsClass();
IFieldsEdit pFieldsEdit = pFields as IFieldsEdit;
IField pField = new FieldClass();
IFieldEdit pFieldEdit = pField as IFieldEdit;
pFieldEdit.Name_2 = "SHAPE";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
IGeometryDef pGeometryDef = new GeometryDefClass();
IGeometryDefEdit pGeometryDefEdit = pGeometryDef as IGeometryDefEdit;
pGeometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
//为FeatureClass赋参考系，不写会出错***************************************
pGeometryDefEdit.SpatialReference_2 = map.SpatialReference;
//************************************************************************
pFieldEdit.GeometryDef_2 = pGeometryDef;
pFieldsEdit.AddField(pField);
pField = new FieldClass();//不要省略写！容易出问题
pFieldEdit = pField as IFieldEdit;
pFieldEdit.AliasName_2 = "高程";
pFieldEdit.Name_2 = "CoordinateZ";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldsEdit.AddField(pField);
pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(Application.StartupPath + "\\tempRaster", 0) as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.CreateFeatureClass("points", pFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
//IWorkspaceFactory pWorkSpaceFac = new ShapefileWorkspaceFactoryClass();
//IFeatureWorkspace pFeatureWorkSpace = pWorkSpaceFac.OpenFromFile(shpfolder, 0) as IFeatureWorkspace;
////创建字段集2
//IFeatureClassDescription fcDescription = new FeatureClassDescriptionClass();
//IObjectClassDescription ocDescription = (IObjectClassDescription)fcDescription;//创建必要字段
//IFields fields = ocDescription.RequiredFields;
//int shapeFieldIndex = fields.FindField(fcDescription.ShapeFieldName);
//IField field = fields.get_Field(shapeFieldIndex);
//IGeometryDef geometryDef = field.GeometryDef;
//IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
////geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
////geometryDefEdit.SpatialReference_2 = spatialReference;
//geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
//ISpatialReferenceFactory pSpatialRefFac = new SpatialReferenceEnvironmentClass();
//IProjectedCoordinateSystem pcsSys = pSpatialRefFac.CreateProjectedCoordinateSystem((int)esriSRProjCS4Type.esriSRProjCS_Xian1980_3_Degree_GK_Zone_39);
//geometryDefEdit.SpatialReference_2 = pcsSys;
//IFieldChecker fieldChecker = new FieldCheckerClass();
//IEnumFieldError enumFieldError = null;
//IFields validatedFields = null; //将传入字段 转成 validatedFields
//fieldChecker.ValidateWorkspace = (IWorkspace)pFeatureWorkSpace;
//fieldChecker.Validate(fields, out enumFieldError, out validatedFields);
//pFeatureWorkSpace.CreateFeatureClass(shpname, validatedFields, ocDescription.InstanceCLSID, ocDescription.ClassExtensionCLSID, esriFeatureType.esriFTSimple, fcDescription.ShapeFieldName, "");
//从vectors中获取散点值
Dictionary <int, IPoint> pointDictionary = new Dictionary <int, IPoint>();
for (int i = 0; i < vectors.Length; i++)
{
IPoint pPoint = new PointClass();
pPoint.X = vectors[i].X;
pPoint.Y = vectors[i].Y;
pPoint.Z = vectors[i].Z;
if (pPoint.Z.ToString() != "非数字")
{
pointDictionary.Add(i, pPoint);
}
}
//插入到新建的FeatureClass中
IWorkspaceEdit pWorkspaceEdit = pWorkspace as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(true);
pWorkspaceEdit.StartEditOperation();
IFeatureBuffer pFeatureBuffer = pFeatureClass.CreateFeatureBuffer();
IFeatureCursor pFeatureCursor = pFeatureClass.Insert(true);
for (int featureNum = 4; featureNum < pointDictionary.Count; featureNum++)
{
pFeatureBuffer.Shape = pointDictionary[featureNum] as IPoint; //出错点，在于新建字段的错误
pFeatureBuffer.set_Value(pFeatureClass.Fields.FindField("CoordinateZ"), pointDictionary[featureNum].Z);
pFeatureCursor.InsertFeature(pFeatureBuffer);
}
pFeatureCursor.Flush();
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
return(pFeatureClass);
}
///<summary>
///�ڳ�������ʱ���ڴ��д���ʸ��Ҫ�ز㣬���ӵ���ͼ�ؼ����
///</summary>
///<param name="pMapCtrl">��ͼ�ؼ�</param>
///<returns>IFeatureLayer �¼ӵ�Ҫ�ز�</returns>
public IFeatureLayer AddFeatureLayerByMemoryWS(AxMapControl pMapCtrl, ISpatialReference pSReference)
{
try
{
if (pMapCtrl == null)
return null;
#region �����µ��ڴ湤���ռ�
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace pMemoryWS = (IWorkspace)pName.Open();
#endregion
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
try
{
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "OBJECTID";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
oFieldEdit.IsNullable_2 = false;
oFieldEdit.Required_2 = false;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
pGeoDefEdit.AvgNumPoints_2 = 5;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.HasM_2 = false;
pGeoDefEdit.HasZ_2 = false;
pGeoDefEdit.SpatialReference_2 = pSReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = pGeoDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "Code";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
oFieldEdit.IsNullable_2 = true;
oFieldsEdit.AddField(oField);
//����Ҫ����
oFeatureClass = (pMemoryWS as IFeatureWorkspace).CreateFeatureClass("Temp", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "TransTemp";
oFeatureLayer.FeatureClass = oFeatureClass;
//����Ψһֵ���Ż�����
IUniqueValueRenderer pURender = new UniqueValueRendererClass();
pURender.FieldCount = 1;
pURender.set_Field(0, "Code");
pURender.UseDefaultSymbol = false;
ISimpleFillSymbol pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//������ɫ
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 255;
pFillSym.Color = pColor;
pURender.AddValue("1", "", pFillSym as ISymbol);
pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//Ψһֵ���Ż��ڴ�ͼ��
(oFeatureLayer as IGeoFeatureLayer).Renderer = pURender as IFeatureRenderer;
ILayerEffects pLyrEffect = oFeatureLayer as ILayerEffects;
//����
pLyrEffect.Transparency = 80;
}
catch (Exception Err)
{
MessageBox.Show(Err.Message);
}
finally
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(oField);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFields);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldsEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pWSF);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pWSName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pMemoryWS);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFeatureClass);
}
catch
{
}
GC.Collect();
}
return oFeatureLayer;
}
catch (Exception Err)
{
MessageBox.Show(Err.Message, "��ʾ", MessageBoxButtons.OK, MessageBoxIcon.Information);
return null;
}
}
private void 添加面形地物ToolStripMenuItem_Click(object sender, EventArgs e)
{
//创建要素类
#region 创建新的内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace pMemoryWS = (IWorkspace)pName.Open();
#endregion
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "OBJECTID";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
oFieldEdit.IsNullable_2 = false;
oFieldEdit.Required_2 = false;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
pGeoDefEdit.AvgNumPoints_2 = 5;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.HasM_2 = false;
pGeoDefEdit.HasZ_2 = false;
pGeoDefEdit.SpatialReference_2 = axMapControl1.SpatialReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = pGeoDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "Code";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
oFieldEdit.IsNullable_2 = true;
oFieldsEdit.AddField(oField);
//创建要素类
oFeatureClass = (pMemoryWS as IFeatureWorkspace).CreateFeatureClass("Temp", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "PolygonLayer";
oFeatureLayer.FeatureClass = oFeatureClass;
//创建唯一值符号化对象
IUniqueValueRenderer pURender = new UniqueValueRendererClass();
pURender.FieldCount = 1;
pURender.set_Field(0, "Code");
pURender.UseDefaultSymbol = false;
ISimpleFillSymbol pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//半透明颜色
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 255;
pFillSym.Color = pColor;
pURender.AddValue("1", "", pFillSym as ISymbol);
pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//唯一值符号化内存图层
(oFeatureLayer as IGeoFeatureLayer).Renderer = pURender as IFeatureRenderer;
ILayerEffects pLyrEffect = oFeatureLayer as ILayerEffects;
//透明度
pLyrEffect.Transparency = 0;
this.axMapControl1.AddLayer(oFeatureLayer, axMapControl1.LayerCount);
insertPolygon = true;
}
private void 添加点型图层ToolStripMenuItem_Click(object sender, EventArgs e)
{
//创建要素类
#region 创建新的内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace pMemoryWS = (IWorkspace)pName.Open();
#endregion
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "OBJECTID";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
oFieldEdit.IsNullable_2 = false;
oFieldEdit.Required_2 = false;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
pGeoDefEdit.AvgNumPoints_2 = 5;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.HasM_2 = false;
pGeoDefEdit.HasZ_2 = false;
pGeoDefEdit.SpatialReference_2 = axMapControl1.SpatialReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = pGeoDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "Code";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
//oFieldEdit.Length = 10;
oFieldEdit.IsNullable_2 = true;
oFieldsEdit.AddField(oField);
//创建要素类
oFeatureClass = (pMemoryWS as IFeatureWorkspace).CreateFeatureClass("Temp", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "PointLayer";
oFeatureLayer.FeatureClass = oFeatureClass;
//创建唯一值符号化对象
IUniqueValueRenderer pURender = new UniqueValueRendererClass();
pURender.FieldCount = 1;
pURender.set_Field(0, "Code");
pURender.UseDefaultSymbol = false;
//创建SimpleMarkerSymbolClass对象
ISimpleMarkerSymbol pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
//创建RgbColorClass对象为pSimpleMarkerSymbol设置颜色
IRgbColor pRgbColor = new RgbColorClass();
pRgbColor.Red = 255;
pSimpleMarkerSymbol.Color = pRgbColor as IColor;
//设置pSimpleMarkerSymbol对象的符号类型，选择钻石
pSimpleMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSDiamond;
//设置pSimpleMarkerSymbol对象大小，设置为５
pSimpleMarkerSymbol.Size = 5;
//显示外框线
pSimpleMarkerSymbol.Outline = true;
//为外框线设置颜色
IRgbColor pLineRgbColor = new RgbColorClass();
pLineRgbColor.Green = 255;
pSimpleMarkerSymbol.OutlineColor = pLineRgbColor as IColor;
//设置外框线的宽度
pSimpleMarkerSymbol.OutlineSize = 1;
//半透明颜色
pURender.AddValue("1", "", pSimpleMarkerSymbol as ISymbol);
//唯一值符号化内存图层
(oFeatureLayer as IGeoFeatureLayer).Renderer = pURender as IFeatureRenderer;
ILayerEffects pLyrEffect = oFeatureLayer as ILayerEffects;
//透明度
pLyrEffect.Transparency = 0;
oFeatureLayer.Visible = true;
this.axMapControl1.AddLayer(oFeatureLayer, axMapControl1.LayerCount);
insertpoint = true;
}
private ESRI.ArcGIS.Geodatabase.IFeatureClass CreatePointFeatureClass(System.String featureClassName, ESRI.ArcGIS.Geodatabase.IFields fields, ESRI.ArcGIS.esriSystem.UID CLSID)
{
if (featureClassName == "") return null; // name was not passed in
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
// Create a new in-memory workspace. This returns a name object.
IWorkspaceName workspaceName = workspaceFactory.Create(null, "OSMPointsWorkspace", null, 0);
IName name = (IName)workspaceName;
// Open the workspace through the name object.
IWorkspace workspace = (IWorkspace)name.Open();
ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass = null;
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace featureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)workspace; // Explicit Cast
// assign the class id value if not assigned
if (CLSID == null)
{
CLSID = new ESRI.ArcGIS.esriSystem.UIDClass();
CLSID.Value = "esriGeoDatabase.Feature";
}
ESRI.ArcGIS.Geodatabase.IObjectClassDescription objectClassDescription = new ESRI.ArcGIS.Geodatabase.FeatureClassDescriptionClass();
// if a fields collection is not passed in then supply our own
if (fields == null)
{
// create the fields using the required fields method
fields = objectClassDescription.RequiredFields;
ESRI.ArcGIS.Geodatabase.IFieldsEdit fieldsEdit = (ESRI.ArcGIS.Geodatabase.IFieldsEdit)fields; // Explicit Cast
// add the OSM ID field
IFieldEdit osmIDField = new FieldClass() as IFieldEdit;
osmIDField.Name_2 = "OSMID";
osmIDField.Type_2 = esriFieldType.esriFieldTypeString;
osmIDField.Length_2 = 20;
fieldsEdit.AddField((IField)osmIDField);
// add the field for the tag cloud for all other tag/value pairs
IFieldEdit osmXmlTagsField = new FieldClass() as IFieldEdit;
osmXmlTagsField.Name_2 = "osmTags";
osmXmlTagsField.Type_2 = esriFieldType.esriFieldTypeBlob;
fieldsEdit.AddField((IField)osmXmlTagsField);
// user, uid, visible, version, changeset, timestamp
IFieldEdit osmuserField = new FieldClass() as IFieldEdit;
osmuserField.Name_2 = "osmuser";
osmuserField.Type_2 = esriFieldType.esriFieldTypeString;
osmuserField.Length_2 = 100;
fieldsEdit.AddField((IField) osmuserField);
IFieldEdit osmuidField = new FieldClass() as IFieldEdit;
osmuidField.Name_2 = "osmuid";
osmuidField.Type_2 = esriFieldType.esriFieldTypeInteger;
fieldsEdit.AddField((IField)osmuidField);
IFieldEdit osmvisibleField = new FieldClass() as IFieldEdit;
osmvisibleField.Name_2 = "osmvisible";
osmvisibleField.Type_2 = esriFieldType.esriFieldTypeString;
osmvisibleField.Length_2 = 20;
fieldsEdit.AddField((IField)osmvisibleField);
IFieldEdit osmversionField = new FieldClass() as IFieldEdit;
osmversionField.Name_2 = "osmversion";
osmversionField.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
fieldsEdit.AddField((IField)osmversionField);
IFieldEdit osmchangesetField = new FieldClass() as IFieldEdit;
osmchangesetField.Name_2 = "osmchangeset";
osmchangesetField.Type_2 = esriFieldType.esriFieldTypeInteger;
fieldsEdit.AddField((IField)osmchangesetField);
IFieldEdit osmtimestampField = new FieldClass() as IFieldEdit;
osmtimestampField.Name_2 = "osmtimestamp";
osmtimestampField.Type_2 = esriFieldType.esriFieldTypeDate;
fieldsEdit.AddField((IField)osmtimestampField);
IFieldEdit osmrelationIDField = new FieldClass() as IFieldEdit;
osmrelationIDField.Name_2 = "osmMemberOf";
osmrelationIDField.Type_2 = esriFieldType.esriFieldTypeBlob;
fieldsEdit.AddField((IField)osmrelationIDField);
IFieldEdit hasOSMTagsField = new FieldClass() as IFieldEdit;
hasOSMTagsField.Name_2 = "hasOSMTags";
IFieldEdit osmSupportingElementField = new FieldClass() as IFieldEdit;
osmSupportingElementField.Name_2 = "osmSupportingElement";
osmSupportingElementField.Type_2 = esriFieldType.esriFieldTypeString;
osmSupportingElementField.Length_2 = 5;
fieldsEdit.AddField((IField) osmSupportingElementField);
IFieldEdit wayRefCountField = new FieldClass() as IFieldEdit;
wayRefCountField.Name_2 = "wayRefCount";
wayRefCountField.Type_2 = esriFieldType.esriFieldTypeInteger;
wayRefCountField.DefaultValue_2 = 0;
fieldsEdit.AddField((IField)wayRefCountField);
fields = (ESRI.ArcGIS.Geodatabase.IFields)fieldsEdit; // Explicit Cast
}
System.String strShapeField = "";
// locate the shape field
for (int j = 0; j < fields.FieldCount; j++)
{
if (fields.get_Field(j).Type == ESRI.ArcGIS.Geodatabase.esriFieldType.esriFieldTypeGeometry)
{
strShapeField = fields.get_Field(j).Name;
// redefine geometry type
IFieldEdit shapeField = fields.get_Field(j) as IFieldEdit;
IGeometryDefEdit geometryDef = new GeometryDefClass() as IGeometryDefEdit;
geometryDef.GeometryType_2 = esriGeometryType.esriGeometryPoint;
geometryDef.HasZ_2 = false;
geometryDef.HasM_2 = false;
geometryDef.GridCount_2 = 1;
geometryDef.set_GridSize(0, 1);
ISpatialReferenceFactory spatialRefFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference wgs84 = spatialRefFactory.CreateGeographicCoordinateSystem((int) esriSRGeoCSType.esriSRGeoCS_WGS1984) as ISpatialReference;
geometryDef.SpatialReference_2 = wgs84;
shapeField.GeometryDef_2 = (IGeometryDef)geometryDef;
break;
}
}
// Use IFieldChecker to create a validated fields collection.
ESRI.ArcGIS.Geodatabase.IFieldChecker fieldChecker = new ESRI.ArcGIS.Geodatabase.FieldCheckerClass();
ESRI.ArcGIS.Geodatabase.IEnumFieldError enumFieldError = null;
ESRI.ArcGIS.Geodatabase.IFields validatedFields = null;
fieldChecker.ValidateWorkspace = (ESRI.ArcGIS.Geodatabase.IWorkspace)workspace;
fieldChecker.Validate(fields, out enumFieldError, out validatedFields);
// The enumFieldError enumerator can be inspected at this point to determine
// which fields were modified during validation.
// finally create and return the feature class
try
{
featureClass = featureWorkspace.CreateFeatureClass(featureClassName, validatedFields, CLSID, null, ESRI.ArcGIS.Geodatabase.esriFeatureType.esriFTSimple, strShapeField, "");
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
return featureClass;
}
public IWorkspace CreateInMemoryWorkspace()
{
IWorkspaceFactory workspaceFactory = null;
IWorkspaceName workspaceName = null;
IName name = null;
IWorkspace workspace = null;
try
{
// Create an InMemory workspace factory.
workspaceFactory = new InMemoryWorkspaceFactoryClass();
// Create an InMemory geodatabase.
workspaceName = workspaceFactory.Create("", "MyWorkspace",
null, 0);
// Cast for IName.
name = (IName)workspaceName;
//Open a reference to the InMemory workspace through the name object.
workspace = (IWorkspace)name.Open();
return workspace;
}
catch
{
return null;
}
finally
{
workspaceFactory = null;
workspaceName = null;
name = null;
}
}
//通过intersect关系进行裁切
public void ClipByExtent(int groupNm, int extNum)
{
IGeometry extent = GetClipExtent(extNum);
string findName = "grp" + groupNm.ToString() + "ext0";
IGroupLayer grpLy = avlbLayers.Find(item => item.Name == findName);
ICompositeLayer comLy = grpLy as ICompositeLayer;
IGroupLayer newGroupLayer = new GroupLayerClass();
newGroupLayer.Name = "grp" + groupNm.ToString() + "ext" + extNum.ToString();
for (int i = 0; i < comLy.Count; i++)
{
IFeatureLayer feaLy = comLy.get_Layer(i) as IFeatureLayer;
IFeatureClass clipFC = feaLy.FeatureClass;
IFields flds = clipFC.Fields;
ISpatialFilter spatialFilter = new SpatialFilterClass();
spatialFilter.Geometry = extent;
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
IFeatureCursor cursor = clipFC.Search(spatialFilter, false);
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create(null, "MyWorkspace", null, 0);
IName name = (IName)workspaceName;
IWorkspace workspace = (IWorkspace)name.Open();
IFeatureWorkspace inmemFeaWksp = workspace as IFeatureWorkspace;
if (clipFC.ShapeType == esriGeometryType.esriGeometryPoint)
{
IFeatureClass inmemPTFC = CreateWithoutDescription("inmemPTFC_" + groupNumber.ToString(), null, inmemFeaWksp, clipFC.ShapeType, flds);
InsertFeaturesBoun(inmemPTFC, cursor, extent);
IFeatureLayer inmemPTFCLayer = new FeatureLayerClass();
inmemPTFCLayer.FeatureClass = inmemPTFC;
newGroupLayer.Add(inmemPTFCLayer);
}
else if (clipFC.ShapeType == esriGeometryType.esriGeometryPolyline)
{
IFeatureClass inmemLNFC = CreateWithoutDescription("inmemLNFC" + groupNumber.ToString(), null, inmemFeaWksp, clipFC.ShapeType, flds);
InsertFeaturesBoun(inmemLNFC, cursor, extent);
IFeatureLayer inmemLNFCLayer = new FeatureLayerClass();
inmemLNFCLayer.FeatureClass = inmemLNFC;
newGroupLayer.Add(inmemLNFCLayer);
}
else if (clipFC.ShapeType == esriGeometryType.esriGeometryPolygon)
{
IFeatureClass inmemPLGFC = CreateWithoutDescription("inmemPLGFC" + groupNumber.ToString(), null, inmemFeaWksp, clipFC.ShapeType, flds);
InsertFeaturesBoun(inmemPLGFC, cursor, extent);
IFeatureLayer inmemPLGFCLayer = new FeatureLayerClass();
inmemPLGFCLayer.FeatureClass = inmemPLGFC;
newGroupLayer.Add(inmemPLGFCLayer);
}
}
avlbLayers.Add(newGroupLayer);
}
/// <summary>
/// 在内存中创建图层
/// </summary>
/// <param name="DataSetName">数据集名称</param>
/// <param name="AliaseName">别名</param>
/// <param name="SpatialRef">空间参考</param>
/// <param name="GeometryType">几何类型</param>
/// <param name="PropertyFields">属性字段集合</param>
/// <returns>IfeatureLayer</returns>
public static IFeatureLayer CreateFeatureLayerInmemeory(string DataSetName, string AliaseName, ISpatialReference SpatialRef, esriGeometryType GeometryType, IFields PropertyFields)
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
ESRI.ArcGIS.Geodatabase.IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
ESRI.ArcGIS.esriSystem.IName name = (IName)workspaceName;
ESRI.ArcGIS.Geodatabase.IWorkspace inmemWor = (IWorkspace)name.Open();
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
try
{
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
for (int i = 0; i < PropertyFields.FieldCount; i++)
{
oFieldsEdit.AddField(PropertyFields.get_Field(i));
}
IGeometryDef geometryDef = new GeometryDefClass();
IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
geometryDefEdit.AvgNumPoints_2 = 5;
geometryDefEdit.GeometryType_2 = GeometryType;
geometryDefEdit.GridCount_2 = 1;
geometryDefEdit.HasM_2 = false;
geometryDefEdit.HasZ_2 = false;
geometryDefEdit.SpatialReference_2 = SpatialRef;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = geometryDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oFeatureClass = (inmemWor as IFeatureWorkspace).CreateFeatureClass(DataSetName, oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
(oFeatureClass as IDataset).BrowseName = DataSetName;
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = AliaseName;
oFeatureLayer.FeatureClass = oFeatureClass;
}
catch
{
}
finally
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(oField);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFields);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldsEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(name);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceFactory);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workspaceName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(inmemWor);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFeatureClass);
}
catch { }
GC.Collect();
}
return(oFeatureLayer);
}
///<summary>
///在程序运行时的内存中创建矢量要素层，并加到地图控件最顶端
///</summary>
///<param name="pMapCtrl">地图控件</param>
///<returns>IFeatureLayer 新加的要素层</returns>
public IFeatureLayer AddFeatureLayerByMemoryWS(AxMapControl pMapCtrl, ISpatialReference pSReference)
{
try
{
if (pMapCtrl == null)
{
return(null);
}
#region 创建新的内存工作空间
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
IWorkspaceName pWSName = pWSF.Create("", "Temp", null, 0);
IName pName = (IName)pWSName;
IWorkspace pMemoryWS = (IWorkspace)pName.Open();
#endregion
IField oField = new FieldClass();
IFields oFields = new FieldsClass();
IFieldsEdit oFieldsEdit = null;
IFieldEdit oFieldEdit = null;
IFeatureClass oFeatureClass = null;
IFeatureLayer oFeatureLayer = null;
try
{
oFieldsEdit = oFields as IFieldsEdit;
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "OBJECTID";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
oFieldEdit.IsNullable_2 = false;
oFieldEdit.Required_2 = false;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
pGeoDefEdit.AvgNumPoints_2 = 5;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.HasM_2 = false;
pGeoDefEdit.HasZ_2 = false;
pGeoDefEdit.SpatialReference_2 = pSReference;
oFieldEdit.Name_2 = "SHAPE";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
oFieldEdit.GeometryDef_2 = pGeoDef;
oFieldEdit.IsNullable_2 = true;
oFieldEdit.Required_2 = true;
oFieldsEdit.AddField(oField);
oField = new FieldClass();
oFieldEdit = oField as IFieldEdit;
oFieldEdit.Name_2 = "Code";
oFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
oFieldEdit.IsNullable_2 = true;
oFieldsEdit.AddField(oField);
//创建要素类
oFeatureClass = (pMemoryWS as IFeatureWorkspace).CreateFeatureClass("Temp", oFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
oFeatureLayer = new FeatureLayerClass();
oFeatureLayer.Name = "TransTemp";
oFeatureLayer.FeatureClass = oFeatureClass;
//创建唯一值符号化对象
IUniqueValueRenderer pURender = new UniqueValueRendererClass();
pURender.FieldCount = 1;
pURender.set_Field(0, "Code");
pURender.UseDefaultSymbol = false;
ISimpleFillSymbol pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//半透明颜色
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 255;
pFillSym.Color = pColor;
pURender.AddValue("1", "", pFillSym as ISymbol);
pFillSym = new SimpleFillSymbolClass();
pFillSym.Style = esriSimpleFillStyle.esriSFSSolid;
//唯一值符号化内存图层
(oFeatureLayer as IGeoFeatureLayer).Renderer = pURender as IFeatureRenderer;
ILayerEffects pLyrEffect = oFeatureLayer as ILayerEffects;
//透明度
pLyrEffect.Transparency = 80;
}
catch (Exception Err)
{
MessageBox.Show(Err.Message);
}
finally
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(oField);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFields);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldsEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFieldEdit);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pWSF);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pWSName);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pMemoryWS);
System.Runtime.InteropServices.Marshal.ReleaseComObject(oFeatureClass);
}
catch
{
}
GC.Collect();
}
return(oFeatureLayer);
}
catch (Exception Err)
{
MessageBox.Show(Err.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return(null);
}
}
private ITable CreateArcTable(DataTable dt, bool regionIsInt)
{
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace",
null, 0);
IName name = (IName)workspaceName;
IFeatureWorkspace workspace = (IFeatureWorkspace)name.Open();
IFieldsEdit fe;
fe = new FieldsClass();
IField oid, key, measure;
oid = createField("ObjectId", esriFieldType.esriFieldTypeOID);
if (regionIsInt)
{
key = createField("Region", esriFieldType.esriFieldTypeInteger);
}
else
{
key = createField("Region", esriFieldType.esriFieldTypeString);
}
measure = createField("Measure", esriFieldType.esriFieldTypeDouble);
fe.AddField(oid);
fe.AddField(key);
fe.AddField(measure);
UID clsid = new UIDClass();
clsid.Value = "esriGeoDatabase.Object";
ITable table = workspace.CreateTable("joinedTable", (IFields)fe, clsid, null, null);
IRowBuffer rowBuffer = table.CreateRowBuffer();
ICursor cursor = table.Insert(true);
foreach (DataRow dr in dt.Rows)
{
/*Set the Region and the Measure fields
The dataTable has 2 columns and the ArcTable has 3 columns.
The first column in the OID field which is generated internally
by the ArcGIS engine.*/
for (int x = 1; x <= dt.Columns.Count; x++)
{
rowBuffer.set_Value(x, dr[x-1]);
}
cursor.InsertRow(rowBuffer);
}
cursor.Flush();
return table;
}
protected void DoClip(IActiveView activeView, IFeatureLayer ifl_active, IGeometry geometry)
{
try
{
ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap;
ESRI.ArcGIS.Carto.ILayerFile layerFile = new ESRI.ArcGIS.Carto.LayerFileClass();
ISpatialFilter isf = new SpatialFilterClass();
isf.Geometry = geometry;
isf.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
gd.Title = "Save clipped feature class";
gd.ObjectFilter = new GxFilterFeatureClassesClass(); //new GxFilterFeatureClassesClass();
if (gd.DoModalSave(ArcMap.Application.hWnd) == false)
{
return;
}
while (System.IO.File.Exists(gd.FinalLocation.FullName + "\\" + gd.Name) || gd.ReplacingObject)
{
if (System.Windows.Forms.MessageBox.Show("You've selected a feature class that already exists. Select a different feature class name.", "Overwrite Feature Class", System.Windows.Forms.MessageBoxButtons.RetryCancel) == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
if (gd.DoModalSave(ArcMap.Application.hWnd) == false)
{
return;
}
}
// Create a new in-memory workspace. This returns a name object.
InMemoryWorkspaceFactory wsf = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = wsf.Create(null, "MyWorkspace", null, 0);
IName name = (IName)workspaceName;
IFeatureWorkspace workspace;
IWorkspaceEdit iwe;
IFields flds;
setFeatureSpatialReference(ifl_active, name, out workspace, out iwe, out flds);
IFeatureClass ifc_new = workspace.CreateFeatureClass("AAA", flds, null, null, esriFeatureType.esriFTSimple, ifl_active.FeatureClass.ShapeFieldName, "");
IFeatureLayer fl = new FeatureLayerClass();
IGeoFeatureLayer gfl = (IGeoFeatureLayer)fl;
IRgbColor rgbColor = new RgbColorClass();
rgbColor.Red = 255;
rgbColor.Green = 0;
rgbColor.Blue = 0;
IColor color = rgbColor; // Implicit Cast
fl.FeatureClass = ifc_new;
fl.Name = "IntersectingShape";
ISimpleFillSymbol sfs = new SimpleFillSymbolClass();
ISimpleLineSymbol sls = new SimpleLineSymbolClass();
sls.Color = color;
sls.Width = 4.0;
sls.Style = esriSimpleLineStyle.esriSLSSolid;
color.NullColor = true;
sfs.Color = color;
sfs.Outline = sls;
ISimpleRenderer isr = new SimpleRendererClass();
isr.Symbol = (ISymbol)sfs;
gfl.Renderer = (IFeatureRenderer)isr;
IObjectCopy cpy = new ObjectCopyClass();
iwe.StartEditing(true);
iwe.StartEditOperation();
IFeatureBuffer fb = ifc_new.CreateFeatureBuffer();
IFeatureCursor csri = ifc_new.Insert(false);
fb.Shape = geometry;
csri.InsertFeature(fb);
csri.Flush();
iwe.StopEditOperation();
iwe.StopEditing(true);
map.AddLayer(fl);
ESRI.ArcGIS.AnalysisTools.Clip tool = new ESRI.ArcGIS.AnalysisTools.Clip();
tool.clip_features = fl;
tool.in_features = ifl_active;
tool.out_feature_class = gd.FinalLocation.FullName + "\\" + gd.Name; /*ws.PathName*/ //"In_memory" + "\\NWI_Clip_Result";
gp.AddOutputsToMap = true;
gp.OverwriteOutput = true;
gp.ToolExecuted += new EventHandler<ToolExecutedEventArgs>(gp_ToolExecuted);
gp.ProgressChanged += new EventHandler<ProgressChangedEventArgs>(gp_ProgressChanged);
gp.ExecuteAsync(tool);
}
catch (Exception err)
{
}
finally
{
SelectArrowToolOnToolbar();
}
}
/// <summary>
/// Join Complex Index Table
/// </summary>
/// <param name="layer"></param>
/// <param name="year"></param>
/// <author>Shen Yongyuan</author>
/// <date>20091111</date>
public static void JoinComplexTable(ILayer layer, int year, string city, bool normal)
{
//Add Fields
IFieldsEdit allFields = new FieldsClass();
IFieldEdit field1 = new FieldClass();
field1.Name_2 = "ID";
field1.Type_2 = esriFieldType.esriFieldTypeString;
allFields.AddField(field1);
IFieldEdit field2 = new FieldClass();
field2.Name_2 = "Ecology";
field2.Type_2 = esriFieldType.esriFieldTypeDouble;
allFields.AddField(field2);
IFieldEdit field3 = new FieldClass();
field3.Name_2 = "Social";
field3.Type_2 = esriFieldType.esriFieldTypeDouble;
allFields.AddField(field3);
IFieldEdit field4 = new FieldClass();
field4.Name_2 = "Economic";
field4.Type_2 = esriFieldType.esriFieldTypeDouble;
allFields.AddField(field4);
//Create Table
IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
IWorkspaceName workspaceName = workspaceFactory.Create("", "Temporary WorkSpace In Memory", null, 0);
IFeatureWorkspace workspace = ((IName)workspaceName).Open() as IFeatureWorkspace;
ITable table = workspace.CreateTable(Town.Constant.Constant.TmpTableIndex, allFields, null, null, "");
//Import Data
IWorkspaceEdit workspaceEdit = workspace as IWorkspaceEdit;
workspaceEdit.StartEditing(false);
workspaceEdit.StartEditOperation();
ICursor cursor = table.Insert(true);
int fldField1 = cursor.Fields.FindField("ID");
int fldField2 = cursor.Fields.FindField("Ecology");
int fldField3 = cursor.Fields.FindField("Social");
int fldField4 = cursor.Fields.FindField("Economic");
IQueryable <DataLib.I_INDEX> indexCollect = DataLib.DA_Index.QueryIndex(year, city);
List <int> OIDList = new List <int>();
foreach (DataLib.I_INDEX i in indexCollect)
{
if (OIDList.Contains(i.I_ZONE.OID) == false)
{
double EcologyValue = indexCollect.Where(c => c.Name.Equals("生态子系统综合指标") && c.Zone == i.Zone).Single().Value;
double SocialValue = indexCollect.Where(c => c.Name.Equals("社会子系统综合指标") && c.Zone == i.Zone).Single().Value;
double EconomicValue = indexCollect.Where(c => c.Name.Equals("经济子系统综合指标") && c.Zone == i.Zone).Single().Value;
//if (normal == true)
//{
// EcologyValue += Math.Abs(DataLib.DA_Index.QueryIndex("生态子系统综合指标", city).Min(c => c.Value)) + 1;
// SocialValue += Math.Abs(DataLib.DA_Index.QueryIndex("社会子系统综合指标", city).Min(c => c.Value)) + 1;
// EconomicValue += Math.Abs(DataLib.DA_Index.QueryIndex("经济子系统综合指标", city).Min(c => c.Value)) + 1;
//}
EcologyValue = Math.Abs(EcologyValue);
SocialValue = Math.Abs(SocialValue);
EconomicValue = Math.Abs(EconomicValue);
IRowBuffer buffer = table.CreateRowBuffer();
buffer.set_Value(fldField1, i.I_ZONE.OID);
buffer.set_Value(fldField2, EcologyValue);
buffer.set_Value(fldField3, SocialValue);
buffer.set_Value(fldField4, EconomicValue);
cursor.InsertRow(buffer);
OIDList.Add(i.I_ZONE.OID);
}
}
cursor.Flush();
workspaceEdit.StartEditOperation();
workspaceEdit.StopEditing(true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(cursor);
//Join
IMemoryRelationshipClassFactory pMemRelFact = new MemoryRelationshipClassFactory();
IFeatureLayer feaLayer = layer as IFeatureLayer;
ITable originTable = feaLayer.FeatureClass as ITable;
IRelationshipClass pRelClass = pMemRelFact.Open("Join", originTable as IObjectClass, "ID",
table as IObjectClass, "ID", "forward", "backward",
esriRelCardinality.esriRelCardinalityOneToOne);
IDisplayRelationshipClass pDispRC = feaLayer as IDisplayRelationshipClass;
pDispRC.DisplayRelationshipClass(null, esriJoinType.esriLeftOuterJoin);
pDispRC.DisplayRelationshipClass(pRelClass, esriJoinType.esriLeftOuterJoin);
}
