本文整理汇总了C#中IFeatureLayer.Search方法的典型用法代码示例。如果您正苦于以下问题：C# IFeatureLayer.Search方法的具体用法？C# IFeatureLayer.Search怎么用？C# IFeatureLayer.Search使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IFeatureLayer的用法示例。
在下文中一共展示了IFeatureLayer.Search方法的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SetDynamicValues
//.........这里部分代码省略.........
AAState.WriteLine(" " + intRecFound + " rows found using " + sqlString);
if (intRecFound != 1)
{
pQFilt.WhereClause = sqlStringUpper;
AAState.WriteLine(" " + pQFilt.WhereClause + " used to search for matching record");
if (sourceLayer == null)
{
intRecFound = pTbl.Table.RowCount(pQFilt);
}
else
{
intRecFound = sourceLayer.FeatureClass.FeatureCount(pQFilt);
}
AAState.WriteLine(" " + intRecFound + " rows found");
if (intRecFound == 0)
{
AAState.WriteLine(A4LGSharedFunctions.Localizer.GetString("AttributeAssistantEditorChain19"));
AAState._editor.AbortOperation();
return false;
}
else
{
AAState.WriteLine(A4LGSharedFunctions.Localizer.GetString("AttributeAssistantEditorChain20"));
ICursor pCurs = null;
if (sourceLayer == null)
{
pCurs = pTbl.Table.Search(pQFilt, true);
}
else
{
pCurs = sourceLayer.FeatureClass.Search(pQFilt, true) as ICursor;
}
pQFilt = null;
List<string> pLst = Globals.CursorToList(ref pCurs, sourceFieldNums);
if (pCurs != null)
Marshal.ReleaseComObject(pCurs);
pCurs = null;
string disFld = "";
for (int j = 0; j < sourceFieldNames.Length - 1; j++)
{
disFld = disFld == "" ? sourceFieldNames[j] : disFld + "|" + sourceFieldNames[j];
}
string selectVal = Globals.showOptionsForm(pLst, A4LGSharedFunctions.Localizer.GetString("AttributeAssistantEditorChain21") + disFld, ComboBoxStyle.DropDownList);
if (selectVal == "||Cancelled||")
{
AAState.WriteLine(A4LGSharedFunctions.Localizer.GetString("AttributeAssistantEditorChain19"));
AAState._editor.AbortOperation();
return false;
}
else
{
AAState.WriteLine(A4LGSharedFunctions.Localizer.GetString("AttributeAssistantEditorChain22") + selectVal);
string[] strVals = selectVal.Split('|');
开发者ID:rlwarford，项目名称:local-government-desktop-addins，代码行数:66，代码来源:AttributeAssistantEditorExtension.cs
示例2: HatchDraw
//���ƣȣ��ԣã�
public static void HatchDraw(AxMapControl ppAxMapControl, ISimpleLineSymbol pHatchSymMajor, ISimpleLineSymbol pHatchSymMinor, ITextSymbol pTxtSym, IFeatureLayer pFeatLayer, bool bEnds, bool bEndsOnly, double dHatchLen, double dTxtInterval, double dHatchOffset, double dMajorAngle, bool bOverRideMajor, string graphicslayername)
{
//����ͼ��ͼ��ΪSEWER TV���ͼ��
IFeatureCursor pFeatCursor = pFeatLayer.Search(null, true);
SetGraphicsLayer(ppAxMapControl, pFeatLayer.Name, graphicslayername);
//����SEWER TV���ͼ��ͼ��
IGraphicsContainer pGraphicsContainer = ppAxMapControl.ActiveView.FocusMap.ActiveGraphicsLayer as IGraphicsContainer;
//���ͼ��ͼ��
pGraphicsContainer.DeleteAllElements();
IFeature pFeature = pFeatCursor.NextFeature();
IPolyline pMajorHatchPL = new PolylineClass();
IPolyline pMinorHatchPL = new PolylineClass();
IPolyline pPL;
IMAware pPLM;
//IMCollection pMColl;
IGeometryCollection pGeomColl;
ILineElement pLineElement;
IElement pElement = null;
int cnt;
IPath pPath;
string txt;
double txtlen;
IPath pTxtPath;
double angle;
//IPoint pTxtPt;
ISegmentCollection pSC;
ISegment pSeg;
ISegmentM pSegM;
double m1 = 0;
//double m2 = 0;
//IPoint pFromPt;
//IMarkerSymbol pMSym;
IMask pMask;
ITextElement pTextElement;
ISegmentCollection pSegment;
ISegmentCollection pPolyline;
while (pFeature != null)
{
pPL = pFeature.Shape as IPolyline;
pPLM = pPL as IMAware;
if (pPLM.MAware)
{
if (bEndsOnly)
{
MakeHatchesEndsOnly(pPL, bEnds, pMajorHatchPL, pMinorHatchPL, dHatchLen, dTxtInterval, dHatchOffset);
}
else
{
}
// Draw the major hatches if they are lines
if (pHatchSymMajor is ILineSymbol)
{
pLineElement = new LineElementClass();
pLineElement.Symbol = pHatchSymMajor;
pElement = pLineElement as IElement;
pElement.Geometry = pMajorHatchPL as IGeometry;
pGraphicsContainer.AddElement(pElement, 0);
}
// Draw the major hatches if they are markers and the text...
pGeomColl = pMajorHatchPL as IGeometryCollection;
cnt = pGeomColl.GeometryCount - 1;
for (int j = 0; j <= cnt; j++)
{
pPath = pGeomColl.get_Geometry(j) as IPath;
if (bOverRideMajor)
angle = dMajorAngle;
else
angle = GetAngle(pPath) + dMajorAngle;
pSC = pPath as ISegmentCollection;
pSeg = pSC.get_Segment(0);
pSegM = pSeg as ISegmentM;
txt = Convert.ToString(Math.Round(m1, 1));
txtlen = pTxtSym.Size;
angle = GetAngle(pPath as ICurve);
if (ShouldFlip(angle))
{
pTxtPath = MakeTextPath(pPath, txtlen * 2);
angle += 180;
pTxtSym.RightToLeft = false;
pTxtSym.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTxtSym.VerticalAlignment = esriTextVerticalAlignment.esriTVACenter;
}
else
{
//angle = angle;
pTxtPath = MakeTextPath(pPath, txtlen);
pTxtSym.RightToLeft = false;
pTxtSym.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTxtSym.VerticalAlignment = esriTextVerticalAlignment.esriTVACenter;
}
pTxtSym.Angle = angle;
//Ϊ�ı�����MASK�����û�з��ţ�����Ϊ����
pMask = pTxtSym as IMask;
pMask.MaskSize = 2;
pMask.MaskStyle = esriMaskStyle.esriMSHalo;
//.........这里部分代码省略.........
示例3: SearchFeature
private void SearchFeature(ISpatialFilter pSpatialFilter, IFeatureLayer pFeatureLyr)
{
ISpatialFilter pFilter;
pFilter = pSpatialFilter;
IFeatureLayer pFeatureLayer;
pFeatureLayer = pFeatureLyr;
IFeatureClass pFC = pFeatureLayer.FeatureClass;
IFeatureCursor pFeatureCursor;
pFeatureCursor = pFeatureLayer.Search(pFilter, true);
IFeature pFeature;
pFeature = pFeatureCursor.NextFeature();
IGeometry pShape;
switch (pFC.ShapeType)
{
case esriGeometryType.esriGeometryPolyline:
while (pFeature != null)
{
ISimpleLineSymbol pFillsyl;
pFillsyl = new SimpleLineSymbolClass();
pFillsyl.Color = getRGB(220, 100, 50);
object oFillsyl;
oFillsyl = pFillsyl;
pShape = pFeature.Shape as IPolyline;
m_mapControl.FlashShape(pShape, 15, 20, pFillsyl);
m_mapControl.DrawShape(pShape, ref oFillsyl);
pFeature = pFeatureCursor.NextFeature();
}
break;
case esriGeometryType.esriGeometryPolygon:
while (pFeature != null)
{
ISimpleFillSymbol pFillsyl;
pFillsyl = new SimpleFillSymbolClass();
pFillsyl.Color = getRGB(220, 100, 50);
object oFillsyl;
oFillsyl = pFillsyl;
pShape = pFeature.Shape as IPolygon;
m_mapControl.FlashShape(pShape, 15, 20, pFillsyl);
m_mapControl.DrawShape(pShape, ref oFillsyl);
pFeature = pFeatureCursor.NextFeature();
}
break;
case esriGeometryType.esriGeometryPoint:
while (pFeature != null)
{
ISimpleMarkerSymbol pFillsyl;
pFillsyl = new SimpleMarkerSymbolClass();
pFillsyl.Color = getRGB(220, 100, 50);
object oFillsyl;
oFillsyl = pFillsyl;
pShape = pFeature.Shape as IPoint;
m_mapControl.FlashShape(pShape, 15, 20, pFillsyl);
m_mapControl.DrawShape(pShape, ref oFillsyl);
pFeature = pFeatureCursor.NextFeature();
}
break;
}
}示例4: DeleteFeaturesAtPoint
private static void DeleteFeaturesAtPoint(IFeatureLayer targetLineFLayer, IPoint point, IFeatureLayer targetPointFLayer, int targetLineSubtype, double tolerenceForDelete, bool searchOnLayer)
{
ITopologicalOperator topoOp = null;
IPolygon poly = null;
ISpatialFilter sFilter = null;
INetworkClass netClass = null;
IFeatureClass orphanFC = null;
INetworkFeature netFeature = null;
IFeatureCursor fCursor = null;
IFeature feature = null;
IPolyline line = null;
IEdgeFeature edgeFeature = null;
ISimpleJunctionFeature toJunctionFeature = null;
ISimpleJunctionFeature fromJunctionFeature = null;
ISubtypes subt = null;
try
{
topoOp = point as ITopologicalOperator;
poly = topoOp.Buffer(tolerenceForDelete) as IPolygon;
sFilter = new SpatialFilterClass();
sFilter.Geometry = poly;
sFilter.GeometryField = targetLineFLayer.FeatureClass.ShapeFieldName;
sFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
netClass = targetLineFLayer.FeatureClass as INetworkClass;
orphanFC = netClass.GeometricNetwork.OrphanJunctionFeatureClass;
if (searchOnLayer)
fCursor = targetLineFLayer.Search(sFilter, false);
else
fCursor = targetLineFLayer.FeatureClass.Search(sFilter, false);
while ((feature = fCursor.NextFeature()) != null)
{
//Find connecting junctions
netFeature = feature as INetworkFeature;
if (netFeature != null)
{
edgeFeature = netFeature as IEdgeFeature;
if (edgeFeature != null)
{
toJunctionFeature = edgeFeature.ToJunctionFeature as ISimpleJunctionFeature;
fromJunctionFeature = edgeFeature.ToJunctionFeature as ISimpleJunctionFeature;
}
}
//If subtypes are specified for the new lateral lines, delete only existing laterals with that subtype
subt = feature as ISubtypes;
line = feature.ShapeCopy as IPolyline;
if (targetLineSubtype > -1 && subt != null)
{
int? thisSubtype = feature.get_Value(subt.SubtypeFieldIndex) as int?;
if (thisSubtype != null && thisSubtype == targetLineSubtype)
{
feature.Delete();
DeleteTargetPoints(targetPointFLayer.FeatureClass, line, tolerenceForDelete);
DeleteExisitingJunction(toJunctionFeature, targetLineFLayer);
DeleteOrphanJunctions(orphanFC, line, tolerenceForDelete);
}
}
//Otherwise, just delete each feature
else
{
feature.Delete();
DeleteTargetPoints(targetPointFLayer.FeatureClass, line, tolerenceForDelete);
DeleteExisitingJunction(toJunctionFeature, targetLineFLayer);
DeleteOrphanJunctions(orphanFC, line, tolerenceForDelete);
}
}
}
catch (Exception ex)
{
MessageBox.Show("DeleteFeatureAtPoint\r\n" + ex.Message);
}
finally
{
if (fCursor != null)
Marshal.ReleaseComObject(fCursor);
topoOp = null;
poly = null;
sFilter = null;
netClass = null;
orphanFC = null;
netFeature = null;
fCursor = null;
feature = null;
line = null;
edgeFeature = null;
toJunctionFeature = null;
fromJunctionFeature = null;
subt = null;
}
}示例5: GetPointElevation
private double GetPointElevation(IFeatureLayer pDepthSoundings, IFeatureLayer pLineLayer, IPoint ppoint, string strDepthField)
{
IEnvelope pCombinedEnvelope = CombineExtents(pDepthSoundings.FeatureClass, pLineLayer.FeatureClass);
//if (IsPointCoincident(ppoint ,pDepthSoundings))
//{
IFeatureCursor pDepthCursor = pDepthSoundings.Search(null, false);
IFeatureIndex2 pFtrInd = new FeatureIndexClass();
pFtrInd.FeatureClass = pDepthSoundings.FeatureClass;
pFtrInd.FeatureCursor = pDepthCursor;
pFtrInd.Index(null, pCombinedEnvelope);
IIndexQuery2 pIndQry = pFtrInd as IIndexQuery2;
int FtdID = 0;
double dDist2Ftr = 0;
pIndQry.NearestFeature(ppoint, out FtdID, out dDist2Ftr);
IFeature pCloseFeature = pDepthSoundings.FeatureClass.GetFeature(FtdID);
return Convert.ToDouble(pCloseFeature.get_Value(pCloseFeature.Fields.FindField(strDepthField)));
//}
//else{
// return 0;
//}
}示例6: SetDynamicValues
//.........这里部分代码省略.........
//{
// pQFilt.WhereClause = "1=1";
//}
//else
//{
pQFilt.WhereClause = sqlStringUpper;
// }
AAState.WriteLine(" " + pQFilt.WhereClause + " used to search for matching record");
if (sourceLayer == null)
{
intRecFound = pTbl.Table.RowCount(pQFilt);
}
else
{
intRecFound = sourceLayer.FeatureClass.FeatureCount(pQFilt);
}
AAState.WriteLine(" " + intRecFound + " rows found");
if (intRecFound == 0)
{
AAState.WriteLine(" Abort Edit");
AAState._editor.AbortOperation();
return false;
}
else
{
AAState.WriteLine(" Prompting for user input");
ICursor pCurs = null;
if (sourceLayer == null)
{
pCurs = pTbl.Table.Search(pQFilt, true);
}
else
{
pCurs = sourceLayer.FeatureClass.Search(pQFilt, true) as ICursor;
}
pQFilt = null;
List<string> pLst = Globals.CursorToList(ref pCurs, sourceFieldNums);
if (pCurs != null)
Marshal.ReleaseComObject(pCurs);
pCurs = null;
string selectVal = Globals.showOptionsForm(pLst, "Select an value to store", ComboBoxStyle.DropDownList);
if (selectVal == "||Cancelled||")
{
AAState.WriteLine(" Abort Edit");
AAState._editor.AbortOperation();
return false;
}
else
{
AAState.WriteLine(" Value selected: " + selectVal);
string[] strVals = selectVal.Split('|');
for (int i = 0; i < sourceFieldNums.Length; i++)
{
inObject.set_Value(intFldIdxs[i], strVals[i]);
}
}示例7: GetSeartchFeatures
/// <summary>
/// ��ȡ��ѯҪ��
/// </summary>
/// <param name="pFeatureLayer">Ҫ��ͼ��</param>
/// <param name="pGeometry">ͼ�η�Χ����</param>
/// <returns>��������Ҫ�ؼ���</returns>
public List<IFeature> GetSeartchFeatures(IFeatureLayer pFeatureLayer, IGeometry pGeometry)
{
try
{
List<IFeature> pList = new List<IFeature>();
//����SpatialFilter�ռ����������
ISpatialFilter pSpatialFilter = new SpatialFilterClass();
IQueryFilter pQueryFilter = pSpatialFilter as ISpatialFilter;
//���ù�������Geometry
pSpatialFilter.Geometry = pGeometry;
//���ÿռ��ϵ����
pSpatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelContains;
//��ȡFeatureCursor�α�
IFeatureCursor pFeatureCursor = pFeatureLayer.Search(pQueryFilter, false);
//����FeatureCursor
IFeature pFeature = pFeatureCursor.NextFeature();
while (pFeature != null)
{
//��ȡҪ�ض���
pList.Add(pFeature);
pFeature = pFeatureCursor.NextFeature();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureCursor);
return pList;
}
catch (Exception Err)
{
MessageBox.Show(Err.Message, "��ʾ", MessageBoxButtons.OK, MessageBoxIcon.Information);
return null;
}
}示例8: GetStartElevation
private double GetStartElevation(IFeatureLayer pDepthSoundings, IFeatureLayer pLineLayer, IFeature pLineFeature, string DepthPointDepthField)
{
IEnvelope pCombinedEnvelope = CombineExtents(pDepthSoundings.FeatureClass, pLineLayer.FeatureClass);
IFeatureCursor pDepthCursor = pDepthSoundings.Search(null, false);
IFeatureIndex2 pFtrInd = new FeatureIndexClass();
pFtrInd.FeatureClass = pDepthSoundings.FeatureClass;
pFtrInd.FeatureCursor = pDepthCursor;
pFtrInd.Index(null, pCombinedEnvelope);
IIndexQuery2 pIndQry = pFtrInd as IIndexQuery2;
int FtdID = 0;
double dDist2Ftr = 0;
pIndQry.NearestFeature(pLineFeature.Shape, out FtdID, out dDist2Ftr);
IFeature pCloseFeature = pDepthSoundings.FeatureClass.GetFeature(FtdID);
return Convert.ToDouble(pCloseFeature.get_Value(pCloseFeature.Fields.FindField(DepthPointDepthField)));
}示例9: AttributeQuery
private void AttributeQuery()
{
//定义图层，要素游标，查询过滤器，要素
IFeatureCursor pFeatureCursor;
IQueryFilter pQueryFilter;
IFeature pFeature;
IPoint pPoint;
IEnvelope pEnv;
pEnv = Global.mainmap.ActiveView.Extent;
pPoint = new PointClass();
pPoint.X = pEnv.XMin + pEnv.Width / 2;
pPoint.Y = pEnv.YMin + pEnv.Height / 2;
if (Global.mainmap.LayerCount <= 0)
return;
//获取图层
mFeatureLayer = Global.mainmap.get_Layer(0) as IFeatureLayer;
//清除上次查询结果
Global.mainmap.Map.ClearSelection();
Global.mainmap.ActiveView.Refresh();
//pQueryFilter的实例化
pQueryFilter = new QueryFilterClass();
//设置查询过滤条件
pQueryFilter.WhereClause = "NAME" + "='" + Global.keyword + "'";
//查询
pFeatureCursor = mFeatureLayer.Search(pQueryFilter, true);
//获取查询到的要素
pFeature = pFeatureCursor.NextFeature();
Global.ifeature = pFeature;
//判断是否获取到要素
if (pFeature != null)
{
//选择要素
Global.mainmap.Map.SelectFeature(mFeatureLayer, pFeature);
//放大到要素
pFeature.Shape.Envelope.CenterAt(pPoint);
Global.mainmap.Extent = pFeature.Shape.Envelope;
}
else
{
//没有得到pFeature的提示
MessageBox.Show("没有找到相关要素！", "提示");
}
}示例10: selectfeature
//筛选函数
private IFeatureClass selectfeature(IFeatureLayer featureLayer, string whereclause)
{
IFeatureClass featureclass = null;
try
{
IQueryFilter pQueryFilter = new QueryFilterClass();
IFeatureCursor pFeatureCursor = featureLayer.Search(pQueryFilter, false);
IFeature pFeature = pFeatureCursor.NextFeature();
// while (pFeature != null)//遍历线图层的name，将线图层中的name和点图层中的lineName加入选择集并对两个选择集进行near，勾选location生成nearX和nearY
// {
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
//string name = pFeature.get_Value(2).ToString();//线图层的name字段
pQueryFilter.WhereClause = whereclause;// string.Format("name='{0}'", name);
featureSelection.SelectFeatures(pQueryFilter, esriSelectionResultEnum.esriSelectionResultNew, false);//选择线路名为name的线要素
featureLayer = featureSelection as IFeatureLayer;
//这里这样写是不时就选好了那个WhereClause 另一个也是这么执行的 就是想当于你选好的 输入同的参数选择不同的 你稍等我下
//pFeature = pFeatureCursor.NextFeature();
// }
ESRI.ArcGIS.DataManagementTools.CopyFeatures copyFeatures = new CopyFeatures();
copyFeatures.in_features = featureLayer.FeatureClass;
copyFeatures.out_feature_class = @"D:\测试\searchResult1.shp";
gp.OverwriteOutput = true;
gp.Execute(copyFeatures, null);
//featureclass = featureLayer.FeatureClass;
return featureclass;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return null;
}
}示例11: WalkLine
private IFeature WalkLine(IFeatureLayer pDepthSoundings, IFeatureLayer pLineLayer, IFeature pLineFeature)
{
try
{
IEnvelope pCombinedEnvelope = CombineExtents(pDepthSoundings.FeatureClass, pLineLayer.FeatureClass);
IPointCollection4 pPointColl = pLineFeature.Shape as IPointCollection4;
IPoint ppoint = new PointClass();
IFeatureCursor pDepthCursor = pDepthSoundings.Search(null, false);
IFeatureIndex2 pFtrInd = new FeatureIndexClass();
pFtrInd.FeatureClass = pDepthSoundings.FeatureClass;
pFtrInd.FeatureCursor = pDepthCursor;
pFtrInd.Index(null, pCombinedEnvelope);
IIndexQuery2 pIndQry = pFtrInd as IIndexQuery2;
int FtdID = 0;
double dDist2Ftr = 0;
pIndQry.NearestFeature(ppoint, out FtdID, out dDist2Ftr);
IFeature pCloseFeature = pDepthSoundings.FeatureClass.GetFeature(FtdID);
return pCloseFeature;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
MessageBox.Show(ex.StackTrace);
return null;
}
}示例12: GetStartElevation
private double GetStartElevation(IFeatureLayer pDepthSoundings, IFeatureLayer pLineLayer, IFeature pLineFeature, string strDepthField)
{
try
{
IEnvelope pCombinedEnvelope = CombineExtents(pDepthSoundings.FeatureClass, pLineLayer.FeatureClass);
IPointCollection4 pPointColl = pLineFeature.Shape as IPointCollection4;
IPoint ppoint = new PointClass();
//pPointColl.QueryPoint(0, ppoint);
ppoint = pPointColl.get_Point(0);
IFeatureCursor pDepthCursor = pDepthSoundings.Search(null, false);
IFeatureIndex2 pFtrInd = new FeatureIndexClass();
pFtrInd.FeatureClass = pDepthSoundings.FeatureClass;
pFtrInd.FeatureCursor = pDepthCursor;
pFtrInd.Index(null, pCombinedEnvelope);
IIndexQuery2 pIndQry = pFtrInd as IIndexQuery2;
int FtdID = 0;
double dDist2Ftr = 0;
pIndQry.NearestFeature(ppoint, out FtdID, out dDist2Ftr);
IFeature pCloseFeature = pDepthSoundings.FeatureClass.GetFeature(FtdID);
return Convert.ToDouble(pCloseFeature.get_Value(pCloseFeature.Fields.FindField(strDepthField)));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
MessageBox.Show(ex.StackTrace);
return 0;
}
}示例13: SearchHightlight
void SearchHightlight(IMap _pMap,IFeatureLayer _pFeatureLayer, IQueryFilter _pQuery, bool _Bool)
{
IFeatureCursor pFtCursor = _pFeatureLayer.Search(_pQuery, _Bool);
IFeature pFt = pFtCursor.NextFeature();
while (pFt != null)
{
_pMap.SelectFeature(_pFeatureLayer as ILayer, pFt);
pFt = pFtCursor.NextFeature();
}
}