/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add ZoomToLayerCommand.OnClick implementation
ILayer layer = (ILayer)m_mapControl.CustomProperty;
ESRI.ArcGIS.Geometry.IEnvelope tExtent = layer.AreaOfInterest.Envelope;
tExtent.Expand(1.1, 1.1, true);
m_mapControl.Extent = tExtent;
}
public ESRI.ArcGIS.Carto.IMap GetMap(AxPageLayoutControl pageLayoutControl)
{
if (_map == null)
{
try
{
IMapDocument mapDocu = new MapDocumentClass();
mapDocu.Open(GetMxdLoc());
_map = mapDocu.Map[0];
pageLayoutControl.LoadMxFile(GetMxdLoc());
_map = pageLayoutControl.ActiveView.FocusMap;
IFeatureLayer incidentsLayer = FindLayer(_map, "灾区位置分布点");
incidentsLayer.FeatureClass = this.SiteFeatureClass;
IFeatureLayer facilityLayer = FindLayer(_map, "物资贮备分布点");
facilityLayer.FeatureClass = this.RepoFeatureClass;
incidentsLayer.Name = _incidentClassName;
facilityLayer.Name = _facilityClassName;
ILayer networkLayer = _roadNetwork.GetNetworkLayer();
_map.AddLayer(networkLayer);
_map.MoveLayer(networkLayer, 3);
IFeatureLayer resultLayer = FindLayer(_map, "Routes");
ESRI.ArcGIS.Geometry.IEnvelope envResult = ((resultLayer as IFeatureLayer).FeatureClass as IGeoDataset).Extent;
envResult.Expand(1.2, 1.2, true);
(pageLayoutControl.ActiveView.FocusMap as IActiveView).ScreenDisplay.DisplayTransformation
.VisibleBounds = envResult;
pageLayoutControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
catch (Exception ex)
{
LogHelper.Error(ex.Message);
return(null);
}
}
return(_map);
}
/// <summary>
/// Returns all features from a given feature class that have a vertex or endpoint coincident with a given point
/// </summary>
/// <param name="point">IPoint to use as the spatial filter</param>
/// <param name="searchFtClass">IFeatureClass to search in</param>
/// <param name="linearEndpointsOnly">Flag to use only the endpoints of a line instead of all vertices</param>
/// <param name="buffer">Search geometry buffer in map units</param>
/// <returns>List of IFeature</returns>
public static List <ESRI.ArcGIS.Geodatabase.IFeature> GetFeaturesWithCoincidentVertices(ESRI.ArcGIS.Geometry.IPoint point, ESRI.ArcGIS.Geodatabase.IFeatureClass searchFtClass, bool linearEndpointsOnly, double buffer)
{
List <ESRI.ArcGIS.Geodatabase.IFeature> result = new List <ESRI.ArcGIS.Geodatabase.IFeature>();
using (ESRI.ArcGIS.ADF.ComReleaser releaser = new ESRI.ArcGIS.ADF.ComReleaser())
{
ESRI.ArcGIS.Geodatabase.ISpatialFilter filter = new ESRI.ArcGIS.Geodatabase.SpatialFilterClass();
releaser.ManageLifetime(filter);
ESRI.ArcGIS.Geometry.IEnvelope filterGeometry = point.Envelope;
if (0 < buffer)
{
filterGeometry.Expand(buffer, buffer, false);
}
filter.SpatialRel = ESRI.ArcGIS.Geodatabase.esriSpatialRelEnum.esriSpatialRelIntersects;
filter.Geometry = filterGeometry;
ESRI.ArcGIS.Geodatabase.IFeatureCursor fts = searchFtClass.Search(filter, false);
releaser.ManageLifetime(fts);
ESRI.ArcGIS.Geodatabase.IFeature ft = fts.NextFeature();
while (null != ft)
{
if (searchFtClass.ShapeType == ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint)
{
result.Add(ft);
}
else if (searchFtClass.ShapeType == ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline && linearEndpointsOnly)
{
ESRI.ArcGIS.Geometry.IPolyline polyline = (ESRI.ArcGIS.Geometry.IPolyline)ft.Shape;
ESRI.ArcGIS.Geometry.IRelationalOperator fromPoint = polyline.FromPoint as ESRI.ArcGIS.Geometry.IRelationalOperator;
ESRI.ArcGIS.Geometry.IRelationalOperator toPoint = polyline.ToPoint as ESRI.ArcGIS.Geometry.IRelationalOperator;
if (fromPoint.Equals(point) || toPoint.Equals(point))
{
result.Add(ft);
}
}
else
{
ESRI.ArcGIS.Geometry.IPointCollection pointCollection = ft.Shape as ESRI.ArcGIS.Geometry.IPointCollection;
if (null != pointCollection)
{
for (int i = 0; i < pointCollection.PointCount; i++)
{
ESRI.ArcGIS.Geometry.IRelationalOperator testPoint = pointCollection.get_Point(i) as ESRI.ArcGIS.Geometry.IRelationalOperator;
if (testPoint.Equals(point))
{
result.Add(ft);
break;
}
}
}
}
ft = fts.NextFeature();
}
}
return(result);
}
