本文整理汇总了C#中IMap.get_Layers方法的典型用法代码示例。如果您正苦于以下问题：C# IMap.get_Layers方法的具体用法？C# IMap.get_Layers怎么用？C# IMap.get_Layers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IMap的用法示例。
在下文中一共展示了IMap.get_Layers方法的15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: frmBuffer
public frmBuffer(IMap _pMap)
{
InitializeComponent();
//load all the feature layers in the map to the layers combo
UID uid = new UIDClass();
uid.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}";
pMap = _pMap;
layers = pMap.get_Layers(uid, true);
layers.Reset();
ILayer layer = null;
while ((layer = layers.Next()) != null)
{
cboLayers.Items.Add(layer.Name);
}
//select the first layer
if (cboLayers.Items.Count > 0)
cboLayers.SelectedIndex = 0;
string tempDir = System.IO.Path.GetTempPath();
txtOutputPath.Text = System.IO.Path.Combine(tempDir, ((string)cboLayers.SelectedItem + "_buffer.shp"));
//set the default units of the buffer
int units = Convert.ToInt32(pMap.MapUnits);
cboUnits.SelectedIndex = units;
}示例2: UpdateFeature
public void UpdateFeature( IMap pMap ,ILayer pCurrentLayer,IPoint pPoint )
{
//处理具体数据
if (pMap == null || pPoint == null )
return;
m_pMap = pMap;
//如果没有地图图层 ，则不处理
long nLayerCount = pMap.LayerCount;
if( nLayerCount == 0 )
return;
//删除树结点
FtTreeView.Nodes.Clear();
this.FTtreeList.Nodes.Clear();
//开始选择
IGeometry geom = pPoint;
ISpatialReference spatialReference = m_pMap.SpatialReference;
geom.SpatialReference = spatialReference;
//Refresh the active view
IActiveView activeView = (IActiveView)m_pMap;
ISelectionEnvironment selEnv = new SelectionEnvironment();
selEnv.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelWithin;
m_pMap.SelectByShape(geom, selEnv, false);
activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, activeView.Extent);
//如果没有设置 当前图层pCurrentLayer ，则不处理
ESRI.ArcGIS.esriSystem.IPersist pPersist = new FeatureLayer() as ESRI.ArcGIS.esriSystem.IPersist;
UID uid = pPersist as UID ;
IEnumLayer pEnumlayer = pMap.get_Layers(uid,true );
pEnumlayer.Reset();
ILayer pLayer = pEnumlayer.Next();
while( pLayer != null )
{
if( pLayer.Visible == false )
{
pLayer = pEnumlayer.Next();
continue;
}
IFeatureLayer2 pFtLayer = (IFeatureLayer2)pLayer;
IFeatureSelection pFtSelect = (IFeatureSelection)pFtLayer;
ISelectionSet pSelectset = (ISelectionSet)pFtSelect.SelectionSet;
InitTreeView(pSelectset, pLayer);
pLayer = pEnumlayer.Next();
}
}示例3: GetEditablePolyLines
//从地图内获取可编辑要素图层列表
public static IList<IFeatureLayer> GetEditablePolyLines(IMap map)
{
IList<IFeatureLayer> pEditablePolyLines = new List<IFeatureLayer>();
IEnumLayer pEnumLayer = map.get_Layers();
pEnumLayer.Reset();
ILayer pLayer = pEnumLayer.Next();
while (pLayer != null)
{
//Mark 非要素图层是否有问题
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IDatasetEdit pDataEdit = pFeatureClass as IDatasetEdit;
if (pDataEdit.IsBeingEdited() && pFeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline)
pEditablePolyLines.Add(pFeatureLayer);
pLayer = pEnumLayer.Next();
}
return pEditablePolyLines;
}示例4: Buffer
public Buffer(IMap _pMap)
{
InitializeComponent();
//����Glass����
this.EnableGlass = false;
//����ʾ�����С����ť
this.MaximizeBox = false;
this.MinimizeBox = false;
//
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Sizable;
//ȥ��ͼ��
this.ShowIcon = false;
//load all the feature layers in the map to the layers combo
UID uid = new UIDClass();
uid.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}";
pMap = _pMap;
layers = pMap.get_Layers(uid, true);
layers.Reset();
ILayer layer = null;
while ((layer = layers.Next()) != null)
{
cboLayers.Items.Add(layer.Name);
}
//select the first layer
if (cboLayers.Items.Count > 0)
cboLayers.SelectedIndex = 0;
string tempDir = System.IO.Path.GetTempPath();
txtOutputPath.Text = System.IO.Path.Combine(tempDir, ((string)cboLayers.SelectedItem + "_buffer.shp"));
//set the default units of the buffer
int units = Convert.ToInt32(pMap.MapUnits);
cboUnits.SelectedIndex = units;
}示例5: GetRasterLayer
public IRasterLayer GetRasterLayer(IMap map, string layerName)
{
try
{
if (layerName == "")
return null;
//Get list of geofeature layers in the map
UID geoRasterLayerID = new UIDClass();
geoRasterLayerID.Value = "{D02371C7-35F7-11D2-B1F2-00C04F8EDEFF}";
IEnumLayer enumLayer = map.get_Layers(((ESRI.ArcGIS.esriSystem.UID)geoRasterLayerID), true);
// Step through each geofeature layer in the map
enumLayer.Reset();
IRasterLayer layer = enumLayer.Next() as IRasterLayer;
//IRasterProps pRastProp = layer.raster as IRasterProps;
while (layer != null)
{
if (layer.Valid)
{
if ((layer.Name).ToUpper() == (layerName).ToUpper())
{
return layer;
}
// MessageBox.Show(layer.FilePath);
}
layer = enumLayer.Next() as IRasterLayer;
}
return null;
}
catch (Exception ex)
{
MessageBox.Show("GetView: " + ex.Message);
return null;
}
}示例6: RotatePoint
public double RotatePoint(IMap pMap, IFeature pPointFeature, bool bArithmeticAngle, string strDiameterFld, string strLayerName)
{
IFeatureClass pPointFC = default(IFeatureClass);
ISpatialFilter pSFilter = default(ISpatialFilter);
IFeatureCursor pLineCursor = default(IFeatureCursor);
IFeature pLineFeature = default(IFeature);
IPoint pPoint = default(IPoint);
IEnumLayer pEnumLayer = default(IEnumLayer);
ILayer pLayer = default(ILayer);
IFeatureLayer pFLayer = default(IFeatureLayer);
UID pId = new UID();
UID pUID = new UID();
ITopologicalOperator pTopo = null;
List<Double> cAngles = new List<Double>();
List<string> pLstInt = new List<string>();
List<double> cDiameters = new List<double>();
double dblAngle = 0;
double dblDiameter = 0;
double ltest = 0;
int iLineDiameterFieldPos = 0;
try
{
//This routine is used by both RotateDuringCreateFeature and RotateSelectedFeature.
//It contains all of logic for determining the rotation angle.
const int iAngleTol = 5;
//Used for Tees> a straight line is 180 + or - iAngleTol
pPointFC = (IFeatureClass)pPointFeature.Class;
pPoint = (IPoint)pPointFeature.Shape;
//Create spatial filter to find intersecting features at this given point
pTopo = (ITopologicalOperator)pPoint;
pSFilter = new SpatialFilter();
pSFilter.Geometry = pTopo.Buffer(0.5);
//pPoint
pSFilter.GeometryField = pPointFC.ShapeFieldName;
pSFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
//Step through each feature layer
pUID.Value = "{E156D7E5-22AF-11D3-9F99-00C04F6BC78E}";
//GeoFeatureLayer
pEnumLayer = (IEnumLayer)pMap.get_Layers(pUID, true);
pEnumLayer.Reset();
pLayer = (ILayer)pEnumLayer.Next();
while ((pLayer != null))
{
//Verify that this is a line layer
pFLayer = (IFeatureLayer)pLayer;
if (pFLayer.FeatureClass != null)
{
if (pFLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline && pFLayer.Visible && (strLayerName == "" || strLayerName == Globals.getClassName((IDataset)pFLayer.FeatureClass)))
{
//Apply the filter this line layer
pLineCursor = pFLayer.FeatureClass.Search(pSFilter, true);
//Loop through the found lines for this layer
pLineFeature = pLineCursor.NextFeature();
while ((pLineFeature != null))
{
if (pLstInt.Count > 0)
{
if (pLstInt.Contains(pLineFeature.Class.ObjectClassID + " " + pLineFeature.OID))
{
pLineFeature = pLineCursor.NextFeature();
continue;
}
}
pLstInt.Add(pLineFeature.Class.ObjectClassID.ToString() + " " + pLineFeature.OID.ToString());
dblAngle = Globals.GetAngleOfLineAtPoint((IPolyline)pLineFeature.ShapeCopy, (IPoint)pPointFeature.ShapeCopy, Globals.GetXYTolerance(pPointFeature));
dblAngle = Globals.ConvertRadsToDegrees(dblAngle);
//Convert to geographic degrees(zero north clockwise)
if (!(bArithmeticAngle))
{
dblAngle = Globals.ConvertArithmeticToGeographic(dblAngle);
}
//Round angle
dblAngle = Math.Round(dblAngle, 4);
//Find diameter field, if it exists
iLineDiameterFieldPos = pFLayer.FeatureClass.FindField(strDiameterFld);
//Get diameter of line
if (iLineDiameterFieldPos < 0)
{
dblDiameter = -9999;
}
else if (pLineFeature.get_Value(iLineDiameterFieldPos) == null)
{
dblDiameter = -9999;
}
else if (object.ReferenceEquals(pLineFeature.get_Value(iLineDiameterFieldPos), DBNull.Value))
//.........这里部分代码省略.........
示例7: FindTOCFeatureLayerByDatasetName
// public static ILayer FindTOCLayerByLayerName(string layerName, IMap pMap)
// {
// try
// {
// if (pMap != null)
// {
// if(pMap.LayerCount > 0)
// {
// UID pUID = new UIDClass();
// pUID.Value = "{E156D7E5-22AF-11D3-9F99-00C04F6BC78E}";
//
// IEnumLayer pEnumLayer = pMap.get_Layers(pUID,true);
//
// ILayer pLayer;
// pLayer = pEnumLayer.Next();
//
// while (pLayer != null)
// {
// if (pLayer.Valid)
// {
// if (pLayer is IFeatureLayer)
// {
// IFeatureLayer pFL = (IFeatureLayer)pLayer;
//
// IDataset pDS = (IDataset)pFL.FeatureClass;
//
// if (pDS.Name.ToLower() == dsName.ToLower())
// {
// break;
// }
// }
// }
// pLayer = pEnumLayer.Next();
// }
//
// return (IFeatureLayer)pLayer;
// }
// }
// return null;
//
// }
// catch(Exception ex)
// {
// Debug.WriteLine("Layer Not Found in Map: " + ex.Message);
// return null;
//
// }
//
// }
public static IFeatureLayer FindTOCFeatureLayerByDatasetName(string dsName, IMap pMap)
{
try
{
if (pMap != null)
{
if(pMap.LayerCount > 0)
{
UID pUID = new UIDClass();
pUID.Value = "{E156D7E5-22AF-11D3-9F99-00C04F6BC78E}";
IEnumLayer pEnumLayer = pMap.get_Layers(pUID,true);
ILayer pLayer;
pLayer = pEnumLayer.Next();
while (pLayer != null)
{
if (pLayer.Valid)
{
if (pLayer is IFeatureLayer)
{
IFeatureLayer pFL = (IFeatureLayer)pLayer;
IDataset pDS = (IDataset)pFL.FeatureClass;
if (pDS.Name.ToLower() == dsName.ToLower())
{
break;
}
}
}
pLayer = pEnumLayer.Next();
}
return (IFeatureLayer)pLayer;
}
}
return null;
}
catch(Exception ex)
{
Debug.WriteLine("Layer Not Found in Map: " + ex.Message);
return null;
}
}示例8: GetFabricSubLayers
public bool GetFabricSubLayers(IMap Map, esriCadastralFabricTable FabricSubClass, out IArray CFParcelFabSubLayers)
{
ICadastralFabricSubLayer pCFSubLyr = null;
IArray CFParcelFabricSubLayers2 = new ArrayClass();
IFeatureLayer pParcelFabricSubLayer = null;
UID pId = new UIDClass();
pId.Value = "{E156D7E5-22AF-11D3-9F99-00C04F6BC78E}";
IEnumLayer pEnumLayer = Map.get_Layers(pId, true);
pEnumLayer.Reset();
ILayer pLayer = pEnumLayer.Next();
while (pLayer != null)
{
if (pLayer is ICadastralFabricSubLayer)
{
pCFSubLyr = (ICadastralFabricSubLayer)pLayer;
if (pCFSubLyr.CadastralTableType == FabricSubClass)
{
pParcelFabricSubLayer = (IFeatureLayer)pCFSubLyr;
CFParcelFabricSubLayers2.Add(pParcelFabricSubLayer);
}
}
pLayer = pEnumLayer.Next();
}
CFParcelFabSubLayers = CFParcelFabricSubLayers2;
if (CFParcelFabricSubLayers2.Count > 0)
return true;
else
return false;
}示例9: ResetMapWorkspace
/// <summary>
/// 重置工作空间
/// </summary>
/// <param name="pNewWksp"></param>
/// <param name="pMap"></param>
/// <returns></returns>
public static bool ResetMapWorkspace(IWorkspace pNewWksp, IMap pMap)
{
UID uid = new UIDClass();
uid.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}";
IEnumLayer pEnumLayer = pMap.get_Layers(uid, true);
pEnumLayer.Reset();
ILayer pLayer = pEnumLayer.Next();
while (pLayer != null)
{
//if (pLayer.Name.Contains("XZQ_") || pLayer.Name.Contains("Dist_"))
//{
// ResetLayerDatasource2(pLayer as IDataLayer2, pNewWksp);
//}
//else
//{
ResetLayerDatasource(pLayer as IDataLayer2, pNewWksp);
//}
pLayer = pEnumLayer.Next();
}
return true;
}示例10: GetMapLayerByLayerName
/// <summary>
/// Gets the layer from the map matching the specified map layer name and layer type.
/// </summary>
/// <param name="map">The map from which to get the map layer.</param>
/// <param name="layerName">The name of the map layer to get.</param>
/// <param name="type">The type of map layer to get.</param>
/// <returns>Returns a map layer.</returns>
public static ILayer GetMapLayerByLayerName(IMap map, string layerName, LayerType type)
{
// string methodName = MethodInfo.GetCurrentMethod().Name;
ILayer mapLayer = null;
if (map != null && string.IsNullOrEmpty(layerName) == false)
{
UID layerId = GetLayerIdByLayerType(type);
if (map.LayerCount > 0)
{
try
{
IEnumLayer layers = map.get_Layers(layerId, true);
layers.Reset();
ILayer layer = layers.Next();
while (layer != null)
{
if (string.Compare(layer.Name, layerName, true) == 0)
{
mapLayer = layer;
break;
}
layer = layers.Next();
}
}
catch (Exception ex)
{
//map.get_Layers(layerId, true) fails if layer type does not exist in map i.e looking for
//grouplayers and there are no grouplayers in map
// _logger.LogException(ex);
}
}
}
// else
// _logger.LogFormat("{0}: Null map or layer name parameter.", methodName, LogLevel.enumLogLevelWarn);
return mapLayer;
}示例11: GetWorkspacesFromMap
/// <summary>
/// Gets all workspaces from the map.
/// </summary>
/// <param name="map">The map.</param>
/// <returns>Returns a dictionary of the number of layers by workspace.</returns>
public static IDictionary<IWorkspace, int> GetWorkspacesFromMap(IMap map)
{
IDictionary<IWorkspace, int> workspaces = new Dictionary<IWorkspace, int>();
if (map != null && map.LayerCount > 0)
{
UID uid = new UIDClass();
uid.Value = EsriConstants.FeatureLayerGUID;
try
{
IEnumLayer enumLayer = map.get_Layers(uid, true);
IFeatureLayer featLayer = enumLayer.Next() as IFeatureLayer;
IDataset ds;
int count = 0;
IWorkspace workspace;
while (featLayer != null)
{
try
{
if (featLayer.FeatureClass != null)
{
ds = (IDataset)featLayer.FeatureClass;
if (ds != null)
{
if (ds.Workspace != null)
{
workspace = ds.Workspace;
if (workspaces.ContainsKey(workspace))
{
count = workspaces[workspace];
count++;
}
else
count = 1;
workspaces[workspace] = count;
}
}
}
featLayer = enumLayer.Next() as IFeatureLayer;
}
catch (Exception e)
{
// _logger.LogException(e);
continue;
}
}
}
catch (Exception e)
{
//_logger.LogException(e);
}
}
return workspaces;
}示例12: GetFeatureClass
/// <summary>
/// Retorna uma featureClass a partir do seu nome no geodatabase
/// </summary>
/// <param name="nomeLayer">Nome da classe</param>
/// <param name="mapa">Mana onde se encontra a classe</param>
/// <returns></returns>
public static IFeatureClass GetFeatureClass(String nomeDaClasse, IMap mapa)
{
IFeatureClass fclassReturn = null;
UID uid = new UID();
uid.Value = "{E156D7E5-22AF-11D3-9F99-00C04F6BC78E}"; // FeatureLayers
IEnumLayer enumLayers = mapa.get_Layers(uid, false);
ILayer layer = enumLayers.Next();
IFeatureClass fClass = null;
while (layer != null)
{
fClass = (layer as IFeatureLayer).FeatureClass;
string[] className = (fClass as IDataset).Name.Split('.');
if (className.Length > 1)
{
if (className[1] == nomeDaClasse)
{
return fClass;
}
}
else
{
if ((fClass as IDataset).Name == nomeDaClasse)
{
return fClass;
}
}
layer = enumLayers.Next();
}
return fclassReturn;
}示例13: GetOIDArraysBySourceNameFromMapSelection
public static Dictionary<string, ILongArray> GetOIDArraysBySourceNameFromMapSelection(IMap map, List<string> sourceNames)
{
UIDClass uid = new UIDClass();
uid.Value = "{E156D7E5-22AF-11D3-9F99-00C04F6BC78E}"; //IGeoFeatureLayer
IEnumLayer searchEnumLayer = map.get_Layers(uid, true);
searchEnumLayer.Reset();
//create result dictionary from source names with empty oidArrays
Dictionary<string, ILongArray> oidArraysBySourceName = new Dictionary<string, ILongArray>();
ILongArray oidArray = null;
foreach (string sourceName in sourceNames)
{
if (!oidArraysBySourceName.TryGetValue(sourceName, out oidArray))
{
oidArray = new LongArrayClass();
oidArraysBySourceName.Add(sourceName, oidArray);
}
}
ILayer layer = searchEnumLayer.Next();
while (layer != null)
{
IDisplayTable displayTable = layer as IDisplayTable;
string sourceName = "";
if (layer.Valid && layer.Visible && displayTable != null)
{
IDataset ds = displayTable.DisplayTable as IDataset;
if (ds != null)
sourceName = ds.Name;
}
if (sourceName.Length > 0)
{
if (oidArraysBySourceName.TryGetValue(sourceName, out oidArray))
{
ISelectionSet selSet = displayTable.DisplaySelectionSet;
IEnumIDs enumOIDs = null;
if (selSet != null)
enumOIDs = selSet.IDs;
if (enumOIDs != null)
{
enumOIDs.Reset();
int oid = enumOIDs.Next();
while (oid != -1)
{
oidArray.Add(oid);
oid = enumOIDs.Next();
}
}
}
}
layer = searchEnumLayer.Next();
}
return oidArraysBySourceName;
}示例14: GetLayerByName
/// <summary>
/// 根据图层名获得图层
/// </summary>
/// <params name="map">Map</params>
/// <params name="lyrname">图层名</params>
/// <returns>要素图层</returns>
public static IFeatureLayer GetLayerByName(IMap map, string lyrname)
{
try
{
UID puid = new UID();
puid.Value = GIS_Const.STR_IFeatureLayer; //"{40A9E885-5533-11d0-98BE-00805F7CED21}";//IFeatureLayer
IEnumLayer enumLayer = map.get_Layers(puid, true);
enumLayer.Reset();
ILayer player;
player = enumLayer.Next();
IFeatureLayer featureLayer = new FeatureLayerClass();
while (player != null)
{
featureLayer = player as IFeatureLayer;
string layerName = featureLayer.Name;
if (layerName == lyrname)
{
return featureLayer;
//break;
}
player = enumLayer.Next();
}
return null;
}
catch
{
return null;
}
}示例15: GetLayer
/// <summary>
/// 根据图层名称获取图层
/// </summary>
/// <param name="pMap"></param>
/// <param name="LayerName"></param>
/// <returns></returns>
public ILayer GetLayer(IMap pMap, string LayerName)
{
IEnumLayer pEnunLayer = pMap.get_Layers(null, false);
pEnunLayer.Reset();
ILayer pRetureLayer;
pRetureLayer = pEnunLayer.Next();
while (pRetureLayer != null)
{
if (pRetureLayer.Name == LayerName)
{
break;
}
pRetureLayer = pEnunLayer.Next();
}
return pRetureLayer;
}