/// <summary>
/// 创建栅格字段
/// </summary>
/// <param name="pRasterFielsName">栅格字段名</param>
/// <param name="pSpatialRes">栅格空间参考</param>
/// <param name="eError"></param>
/// <returns>返回字段</returns>
private IField2 CreateRasterField(string pRasterFielsName, ISpatialReference pSpatialRes, bool isManaged)
{
IField2 pField = new FieldClass();
IFieldEdit2 pFieldEdit = pField as IFieldEdit2;
pFieldEdit.Name_2 = pRasterFielsName;
pFieldEdit.AliasName_2 = pRasterFielsName;
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeRaster;
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.Description = "this is Raster catalog";
if (pSpatialRes == null)
{
//如果空间参考为空，则设置为UnknownCoordinateSystemClass
pSpatialRes = new UnknownCoordinateSystemClass();
}
//only for PGDB
pRasterDef.IsManaged = isManaged;
pRasterDef.SpatialReference = pSpatialRes;
pFieldEdit.RasterDef = pRasterDef;
pField = pFieldEdit as IField2;
return(pField);
}
public static IField AlterRasterFieldSR(IField pField, ISpatialReference sr)
{
IFieldEdit2 pEdit = pField as IFieldEdit2;
IRasterDef pRDef = pEdit.RasterDef;
pRDef.SpatialReference = sr;
return(pField);
}
private bool Analyze(string filePath)
{
IFeatureClass featureClass = filePath.GetShpFeatureClass();
if (featureClass == null)
{
return(false);
}
var a = featureClass.Fields.FindField("TCMC");
if (a == -1)
{
try
{
IField field = new FieldClass();
IFieldEdit2 fieldEdit = field as IFieldEdit2;
fieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
fieldEdit.Name_2 = "TCMC";
fieldEdit.AliasName_2 = "图层名称";
featureClass.AddField(field);
}
catch
{
return(false);
}
}
var index = featureClass.Fields.FindField("TCMC");
if (index != -1)
{
var tcmc = System.IO.Path.GetFileNameWithoutExtension(filePath);
IFeatureCursor featureCursor = featureClass.Search(null, false);
IFeature feature = featureCursor.NextFeature();
while (feature != null)
{
feature.set_Value(index, tcmc);
feature.Store();
feature = featureCursor.NextFeature();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(featureCursor);
//switch (featureClass.ShapeType)
//{
// case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint:
// PointFiles.Add(filePath);
// break;
// case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon:
// PolygonFiles.Add(filePath);
// break;
// case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline:
// PolylineFiles.Add(filePath);
// break;
//}
}
return(true);
}
public bool CadastralTableAddField(ICadastralFabric pCadaFab, esriCadastralFabricTable eTable, esriFieldType FieldType,
string FieldName, string FieldAlias, int FieldLength)
{
ITable pTable = pCadaFab.get_CadastralTable(eTable);
// First check to see if a field with this name already exists
if (pTable.FindField(FieldName) > -1)
{
if (pTable != null)
{
Marshal.ReleaseComObject(pTable);
}
return(false);
}
IField2 pField = null;
try
{
//Create a new Field
pField = new FieldClass();
//QI for IFieldEdit
IFieldEdit2 pFieldEdit = (IFieldEdit2)pField;
pFieldEdit.Type_2 = FieldType;
pFieldEdit.Editable_2 = true;
pFieldEdit.IsNullable_2 = true;
pFieldEdit.Name_2 = FieldName;
pFieldEdit.AliasName_2 = FieldAlias;
pFieldEdit.Length_2 = FieldLength;
//'.RasterDef_2 = pRasterDef
pTable.AddField(pField);
if (pField != null)
{
Marshal.ReleaseComObject(pField);
}
}
catch (COMException ex)
{
if (pField != null)
{
Marshal.ReleaseComObject(pField);
}
MessageBox.Show(ex.Message);
return(false);
}
return(true);
}
/// <summary>
/// 作用：向要素类中批量增加字段
/// 作者：汪建龙
/// 编写时间：2016年12月27日10:49:45
/// </summary>
/// <param name="featureClass"></param>
/// <param name="list"></param>
public static void AddFields(this IFeatureClass featureClass, List <TangField> list)
{
if (featureClass == null || list == null || list.Count == 0)
{
return;
}
try
{
foreach (var item in list)
{
IField field = new FieldClass();
IFieldEdit2 fieldEdit = field as IFieldEdit2;
fieldEdit.Type_2 = item.Type;
fieldEdit.Name_2 = item.Name;
fieldEdit.AliasName_2 = item.Alias;
AddField(featureClass, field);
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex);
}
}
public bool CadastralTableAddFieldV1(ICadastralFabric pCadaFab, esriCadastralFabricTable eTable, esriFieldType FieldType,
string FieldName, string FieldAlias, int FieldLength)
{
ITable pTable = pCadaFab.get_CadastralTable(eTable);
// First check to see if a field with this name already exists
if (pTable.FindField(FieldName) > -1)
{
if (pTable != null)
{
Marshal.ReleaseComObject(pTable);
}
return(false);
}
IDatasetComponent pDSComponent = (IDatasetComponent)pCadaFab;
IDEDataset pDEDS = pDSComponent.DataElement;
IDECadastralFabric pDECadaFab = (IDECadastralFabric)pDEDS;
IField2 pField = null;
try
{
//Create a new Field
pField = new FieldClass();
//QI for IFieldEdit
IFieldEdit2 pFieldEdit = (IFieldEdit2)pField;
pFieldEdit.Type_2 = FieldType;
pFieldEdit.Editable_2 = true;
pFieldEdit.IsNullable_2 = true;
pFieldEdit.Name_2 = FieldName;
pFieldEdit.AliasName_2 = FieldAlias;
pFieldEdit.Length_2 = FieldLength;
//'.RasterDef_2 = pRasterDef
}
catch (COMException ex)
{
if (pField != null)
{
Marshal.ReleaseComObject(pField);
}
MessageBox.Show(ex.Message);
return(false);
}
IArray pArr = pDECadaFab.CadastralTableFieldEdits;
bool found = false;
int cnt = pArr.Count;
ICadastralTableFieldEdits pCadaTableFldEdits = null;
IFields pFields = null;
for (int i = 0; i <= (cnt - 1); i++)
{
pCadaTableFldEdits = (ICadastralTableFieldEdits)pArr.get_Element(i);
IFieldsEdit pNewFields = new FieldsClass();
int fldCnt = 0;
if (pCadaTableFldEdits.CadastralTable == eTable)
{
pFields = pCadaTableFldEdits.ExtendedAttributeFields;
//Copy existing fields
if (pFields != null)
{
fldCnt = pFields.FieldCount;
pNewFields.FieldCount_2 = fldCnt + 1;
for (int j = 0; j <= (fldCnt - 1); j++)
{
pNewFields.Field_2[j] = pFields.get_Field(j);
}
}
else
{
pNewFields.FieldCount_2 = 1;
}
//Add the new field
pNewFields.Field_2[fldCnt] = pField;
//reset extended attribute fields
pCadaTableFldEdits.ExtendedAttributeFields = pNewFields;
found = true;
break;
}
}
if (!found)
{
pCadaTableFldEdits = new CadastralTableFieldEditsClass();
pCadaTableFldEdits.CadastralTable = eTable; //add the field to the table
pFields = new FieldsClass();
int fldCnt = pFields.FieldCount;
IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;
pFieldsEdit.FieldCount_2 = fldCnt + 1;
pFieldsEdit.Field_2[fldCnt] = pField;
pCadaTableFldEdits.ExtendedAttributeFields = pFields;
pArr.Add(pCadaTableFldEdits);
Marshal.ReleaseComObject(pFields);
}
//Set the CadastralTableFieldEdits property on the DE to the array
pDECadaFab.CadastralTableFieldEdits = pArr;
// Update the schema
ICadastralFabricSchemaEdit pSchemaEd = (ICadastralFabricSchemaEdit)pCadaFab;
pSchemaEd.UpdateSchema(pDECadaFab);
Marshal.ReleaseComObject(pField);
return(true);
}
public static bool IsHluLayer(IFeatureLayer layer, IFields origFields,
IFieldChecker fieldChecker, object[] validWorkspaces, Dictionary <Type, int> typeMapSystemToSQL,
ref HluGISLayer.incid_mm_polygonsDataTable hluLayerStructure,
out int[] hluFieldMap, out string[] hluFieldNames)
{
hluFieldMap = null;
hluFieldNames = null;
if ((layer == null) || !layer.Valid || (((IFeatureLayerDefinition)layer).DefinitionSelectionSet != null))
{
return(false);
}
bool isHlu = true;
try
{
IFeatureClass testFeatureClass = layer.FeatureClass;
if (hluLayerStructure == null)
{
hluLayerStructure = new HluGISLayer.incid_mm_polygonsDataTable();
}
IFeatureWorkspace testWorkspace = ((IDataset)testFeatureClass).Workspace as IFeatureWorkspace;
if (testWorkspace == null)
{
throw (new Exception("Invalid feature workspace."));
}
if (System.Array.IndexOf(validWorkspaces, ((IWorkspace)testWorkspace).WorkspaceFactory.GetClassID().Value) == -1)
{
throw (new Exception("Invalid workspace type."));
}
if (testFeatureClass.ShapeType != esriGeometryType.esriGeometryPolygon)
{
throw (new Exception("Invalid geometry type."));
}
IFieldsEdit fieldsEdit = (IFieldsEdit)origFields;
foreach (DataColumn c in hluLayerStructure.Columns)
{
IField newField = new FieldClass();
IFieldEdit2 newFieldEdit = (IFieldEdit2)newField;
newFieldEdit.Name_2 = c.ColumnName;
int fieldType;
if (!typeMapSystemToSQL.TryGetValue(c.DataType, out fieldType))
{
throw (new Exception("Invalid field type."));
}
newFieldEdit.Type_2 = (esriFieldType)fieldType;
if ((c.MaxLength != -1) && (newField.Type == esriFieldType.esriFieldTypeString))
{
newFieldEdit.Length_2 = c.MaxLength;
}
fieldsEdit.AddField(newField);
}
fieldChecker.ValidateWorkspace = (IWorkspace)testWorkspace;
IEnumFieldError error;
IFields fixedFields;
fieldChecker.Validate(origFields, out error, out fixedFields);
hluFieldMap = new int[origFields.FieldCount];
hluFieldNames = new string[hluFieldMap.Length];
for (int i = 0; i < fixedFields.FieldCount; i++)
{
IField fixedField = fixedFields.get_Field(i);
int ordinal = testFeatureClass.Fields.FindField(fixedField.Name);
if (ordinal == -1)
{
throw (new Exception("Field name does not match the HLU GIS layer structure."));
}
IField fcField = testFeatureClass.Fields.get_Field(ordinal);
if (fcField.Type != fixedField.Type)
{
throw (new Exception("Field type does not match the HLU GIS layer structure."));
}
if ((fcField.Type == esriFieldType.esriFieldTypeString) && (fcField.Length > fixedField.Length))
{
throw (new Exception("Field length does not match the HLU GIS layer structure."));
}
hluFieldMap[i] = ordinal;
hluFieldNames[i] = fixedField.Name;
}
}
catch { return(false); }
return(isHlu);
}
/// <summary>
/// 显示每日疫情
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
//查询每日疫情
ArrayList arr = new ArrayList();
//获取日期
if (this.selectedDate.EditValue == null)
{
MessageBox.Show("请选择日期");
return;
}
arr.Add("YMD:'" + this.selectedDate.EditValue + "'");
DataTable dt = OperateDatabase.select("data", arr);
if (dt.Rows.Count == 0)
{
MessageBox.Show("当日无数据");
return;
}
//为当前图层添加字段
IFeatureLayer layer = null;
//遍历，寻找市域图层
for (int i = 0; i < this.axMapControl1.Map.LayerCount; i++)
{
ILayer layer1 = this.axMapControl1.Map.get_Layer(i);
if (layer1.Name == "市域")
{
layer = layer1 as IFeatureLayer;
break;
}
}
if (layer == null)
{
MessageBox.Show("请打开市域图层");
return;
}
//获取图层字段，没有则添加一个num字段
IFeatureClass featureClass = layer.FeatureClass;
int isExist = featureClass.FindField("num");
if (isExist == -1)
{
//添加一个字段
IFields pFields = featureClass.Fields;
IFieldsEdit pFieldsEdit = pFields as IFieldsEdit;
IField fld = new FieldClass();
IFieldEdit2 fldE = fld as IFieldEdit2;
fldE.Name_2 = "num";
fldE.AliasName_2 = "数量";
fldE.Type_2 = esriFieldType.esriFieldTypeSingle;
featureClass.AddField(fld);
}
//给字段赋值
IFeatureCursor pFtCursor = featureClass.Search(null, false);
IFeature pFt = pFtCursor.NextFeature();
int index1 = pFt.Fields.FindField("num");
IDataset dataset = (IDataset)featureClass;
IWorkspace workspace = dataset.Workspace;
IWorkspaceEdit workspaceEdit = (IWorkspaceEdit)workspace;
workspaceEdit.StartEditing(true);
workspaceEdit.StartEditOperation();
while (pFt != null)
{
int index = pFt.Fields.FindField("code");
String code = pFt.get_Value(index).ToString();
DataRow[] drs = dt.Select("CODE=" + code);
DataTable dtNew = dt.Clone();
for (int i = 0; i < drs.Length; i++)
{
dtNew.ImportRow(drs[i]);
}
String num = dtNew.Rows[0]["AllConfiemed"].ToString();
if (num == "")
{
num = "0";
}
pFt.set_Value(index1, Convert.ToInt32(num));
pFt.Store();
pFt = pFtCursor.NextFeature();
}
GisClass.ClassRender(this.axMapControl1.ActiveView, layer, 6, "num");
//GisClass.UniqueValueRender(this.axMapControl1.ActiveView,layer,10,"num");
}
private void btnChkField_Click(object sender, EventArgs e)
{
ICadastralEditor pCadEd = (ICadastralEditor)ArcMap.Application.FindExtensionByName("esriCadastralUI.CadastralEditorExtension");
bool bIsEditing = (ArcMap.Editor.EditState == ESRI.ArcGIS.Editor.esriEditState.esriStateEditing);
ICadastralFabric pCadFab = pCadEd.CadastralFabric;
IFeatureClass ParcelLinesFC = null;
if (bIsEditing)
{
ParcelLinesFC = pCadFab.get_CadastralTable(esriCadastralFabricTable.esriCFTLines) as IFeatureClass;
}
else
{
UTIL.GetFabricFromMap(ParcelEditHelper.ArcMap.Document.ActiveView.FocusMap, out pCadFab);
ParcelLinesFC = pCadFab.get_CadastralTable(esriCadastralFabricTable.esriCFTLines) as IFeatureClass;
}
if (pCadFab == null)
{
MessageBox.Show("Parcel fabric not found in the map.", "Check");
return;
}
int iFldIdx = ParcelLinesFC.FindField(this.txtFldName.Text);
if (iFldIdx == -1)
{
if (bIsEditing)
{
MessageBox.Show("Field is not present. Stop editing, and click 'Check' again to be prompted to create the field, " +
"or else manually create the string field using the Catalog window or ArcToolbox.", "Check");
}
else
{
DialogResult dialogRes = MessageBox.Show("Field is not present. Create string field called " + this.txtFldName.Text + " ?", "Create field", MessageBoxButtons.YesNo);
if (dialogRes == DialogResult.No)
{
return;
}
if (this.txtFldName.Text.Trim() == "")
{
return;
}
IField2 pFld = new FieldClass();
IFieldEdit2 pFldEd = pFld as IFieldEdit2;
pFldEd.Editable_2 = true;
pFldEd.Name_2 = this.txtFldName.Text;
pFldEd.Type_2 = esriFieldType.esriFieldTypeString;
pFldEd.Length_2 = 50;
ParcelLinesFC.AddField(pFld);
}
}
else
{
IField pField = ParcelLinesFC.Fields.Field[iFldIdx];
if (pField.Type != esriFieldType.esriFieldTypeString)
{
MessageBox.Show("A field called " + this.txtFldName.Text + " was found." + Environment.NewLine +
"However, the field is not a Text field." + Environment.NewLine +
"Please create or use a different Text field.", "Check field",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
MessageBox.Show("A field called " + this.txtFldName.Text + " was found.", "Check field");
}
}
}