private void FormMain_Load(object sender, EventArgs e)
{
Ctrl_Tab.SelectedIndex = 1;
Ctrl_Tab.SelectedIndex = 0;
IFeatureWorkspace pFWorkspace = OpenWorkspace(@"data.gdb") as IFeatureWorkspace;
INetworkDataset networkDataset = OpenNetworkDataset(pFWorkspace as IWorkspace, "rdCenLineDataSet_ND", "rdCenLineDataSet");
m_NAContext = CreateSolverContext(networkDataset);
INetworkLayer pNetworkLayer = new NetworkLayerClass();
pNetworkLayer.NetworkDataset = networkDataset;
ILayer pLayer = pNetworkLayer as ILayer;
pLayer.Name = "NetworkLayer";
Ctrl_Map.AddLayer(pLayer, 0);
IFeatureLayer pJunctionLayer = new FeatureLayerClass();
pJunctionLayer.FeatureClass = pFWorkspace.OpenFeatureClass("rdCenLineDataSet_ND_Junctions");
pJunctionLayer.Name = pJunctionLayer.FeatureClass.AliasName;
Ctrl_Map.AddLayer(pJunctionLayer, 0);
IFeatureLayer pRoadLayer = new FeatureLayerClass();
pRoadLayer.FeatureClass = pFWorkspace.OpenFeatureClass("road_toLine");
pRoadLayer.Name = pRoadLayer.FeatureClass.AliasName;
Ctrl_Map.AddLayer(pRoadLayer, 0);
INALayer pNALayer = m_NAContext.Solver.CreateLayer(m_NAContext);
(pNALayer as ILayer).Name = m_NAContext.Solver.DisplayName;
Ctrl_Map.AddLayer(pNALayer as ILayer, 0);
}
private void Btn_ZoomToLayer_Click(object sender, EventArgs e)
{
if (m_selectedLayer != null)
{
(Ctrl_Map.Map as IActiveView).Extent = m_selectedLayer.AreaOfInterest;
Ctrl_Map.Refresh();
}
}
private object RequestResponder(OperationType type, object param = null)
{
switch (type)
{
case OperationType.SentStyleGalleryItem:
m_pStyleGalleryItem = param as IStyleGalleryItem;
return(null);
case OperationType.GetViewIndex:
return(Ctrl_Tab.SelectedIndex);
case OperationType.GetSelectedLayer:
return(m_selectedLayer);
case OperationType.RefreshMapCtrl:
Ctrl_Map.Refresh();
return(null);
case OperationType.UpdateTOCCtrl:
Ctrl_TOC.Update();
return(null);
case OperationType.ClearSelection:
Ctrl_Map.Map.ClearSelection();
return(null);
case OperationType.ModifyExtent:
Ctrl_Map.Extent = param as IEnvelope;
return(null);
case OperationType.GetMap:
return(Ctrl_Map.Map);
case OperationType.GetScene:
return(Ctrl_Scene.Scene);
case OperationType.ZoomToSelection:
ICommand curCmd = new ControlsZoomToSelectedCommandClass();
curCmd.OnCreate(Ctrl_Map.Object);
curCmd.OnClick();
return(null);
case OperationType.FormAttributeHighLightRow:
if (m_FrmAttribute != null)
{
m_FrmAttribute.HightLightSelection();
}
return(null);
default:
return(null);
}
}
private void Btn_DeleteSelection_Click(object sender, EventArgs e)
{
IFeatureClass curFeatureClass = (m_selectedLayer as IFeatureLayer).FeatureClass;
(m_selectedLayer as IFeatureSelection).SelectionSet.Search(null, true, out ICursor cursor);
IFeatureCursor searchCursor = cursor as IFeatureCursor;
IFeature pFeature;
while ((pFeature = searchCursor.NextFeature()) != null)
{
curFeatureClass.GetFeature(pFeature.OID).Delete();
}
(m_selectedLayer as IFeatureLayer).FeatureClass = curFeatureClass;
Ctrl_Map.Refresh();
}
private void Btn_Slope_Click(object sender, EventArgs e)
{
IRasterLayer pFromRasterLayer = m_selectedLayer as IRasterLayer;
if (pFromRasterLayer == null)
{
MessageBox.Show("非栅格图层");
return;
}
IRaster pFromRaster = pFromRasterLayer.Raster;
IRasterBandCollection pFromRasterBandCollection = pFromRaster as IRasterBandCollection;
IRasterBand pFromRasterBand = pFromRasterBandCollection.Item(0);
IRasterDataset pFromRasterDataset = pFromRasterBand as IRasterDataset;
IWorkspaceFactory pWorkspaceFactory = new RasterWorkspaceFactoryClass();
IRasterWorkspace pRasterWorkspace = pWorkspaceFactory.OpenFromFile(@"DB", 0) as IRasterWorkspace;
ISurfaceOp pSurfaceOp = new RasterSurfaceOpClass();
IRasterAnalysisEnvironment pRasterAnalysisEnvironment;
pRasterAnalysisEnvironment = pSurfaceOp as IRasterAnalysisEnvironment;
pRasterAnalysisEnvironment.OutWorkspace = pWorkspaceFactory as IWorkspace;
object zFactor = new object();
IGeoDataset pGeoDataset, pRasterGetDataset;
pRasterGetDataset = pFromRasterDataset as IGeoDataset;
pGeoDataset = pSurfaceOp.Slope(pRasterGetDataset, esriGeoAnalysisSlopeEnum.esriGeoAnalysisSlopePercentrise, ref zFactor);
IRasterBandCollection pOutRasterBandCollection = pGeoDataset as IRasterBandCollection;
string strOutRasterName = pFromRasterLayer.Name.Split('.')[0] + "_slope.tif";
pOutRasterBandCollection.SaveAs(strOutRasterName, pRasterWorkspace as IWorkspace, "TIFF");
IRasterDataset pNewRasterDataset = pRasterWorkspace.OpenRasterDataset(strOutRasterName);
IRasterLayer pNewRasterLayer = new RasterLayerClass();
pNewRasterLayer.CreateFromDataset(pNewRasterDataset);
ILayer pNewLayer = pNewRasterLayer as ILayer;
Ctrl_Map.AddLayer(pNewLayer);
}
