private void menuFeatureClassIndex_Click(object sender, EventArgs e)
{
myTreeNode selectNode = this.tv_CatalogTree.SelectedNode as myTreeNode;
IFeatureClass fc = selectNode.Tag as IFeatureClass;
myTreeNode dsTreeNode = selectNode.Parent.Parent as myTreeNode;
IDataSource myDs = dsTreeNode.Tag as IDataSource;
bool hasDelFieldCap = myDs.HasCapability(gviFdbCapability.gviFdbCapDeleteField);
bool hasMdiFieldCap = myDs.HasCapability(gviFdbCapability.gviFdbCapModifyField);
if (layers.Count > 0)
{
MessageBox.Show("请先移除RenderControl中的图层");
return;
}
FeatureClassIndexDlg myDlg = new FeatureClassIndexDlg(fc);
if (myDlg.ShowDialog() == DialogResult.OK)
{
}
}
private void tv_CatalogTree_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
myTreeNode selectNode = this.tv_CatalogTree.GetNodeAt(e.X, e.Y) as myTreeNode;
this.tv_CatalogTree.SelectedNode = selectNode;
if (selectNode.nodeType == NodeObjectType.FeatureClass)
{
cMenuCatalog.Items.Clear();
ToolStripMenuItem menuFeatureClassIndex = new ToolStripMenuItem("索引");
menuFeatureClassIndex.Click += new EventHandler(menuFeatureClassIndex_Click);
cMenuCatalog.Items.Add(menuFeatureClassIndex);
cMenuCatalog.Show(Cursor.Position);
}
if (selectNode.nodeType == NodeObjectType.DataSet)
{
cMenuCatalog.Items.Clear();
ToolStripMenuItem menuLoadData = new ToolStripMenuItem("加载数据");
menuLoadData.Click += new EventHandler(menuLoadData_Click);
cMenuCatalog.Items.Add(menuLoadData);
cMenuCatalog.Show(Cursor.Position);
}
}
}
private void MainForm_Load(object sender, System.EventArgs e)
{
// 初始化RenderControl控件
IPropertySet ps = new PropertySet();
ps.SetProperty("RenderSystem", gviRenderSystem.gviRenderOpenGL);
this.axRenderControl1.Initialize(true, ps);
this.axRenderControl1.Camera.FlyTime = 1;
rootId = this.axRenderControl1.ObjectManager.GetProjectTree().RootID;
// 设置天空盒
if (System.IO.Directory.Exists(strMediaPath))
{
string tmpSkyboxPath = strMediaPath + @"\skybox";
ISkyBox skybox = this.axRenderControl1.ObjectManager.GetSkyBox(0);
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageBack, tmpSkyboxPath + "\\1_BK.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageBottom, tmpSkyboxPath + "\\1_DN.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageFront, tmpSkyboxPath + "\\1_FR.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageLeft, tmpSkyboxPath + "\\1_LF.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageRight, tmpSkyboxPath + "\\1_RT.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageTop, tmpSkyboxPath + "\\1_UP.jpg");
}
else
{
MessageBox.Show("请不要随意更改SDK目录名");
return;
}
// 加载FDB场景
try
{
IConnectionInfo ci = new ConnectionInfo();
ci.ConnectionType = gviConnectionType.gviConnectionFireBird2x;
string tmpFDBPath = (strMediaPath + @"\SDKDEMO.FDB");
ci.Database = tmpFDBPath;
IDataSourceFactory dsFactory = new DataSourceFactory();
IDataSource ds = dsFactory.OpenDataSource(ci);
//设置资源目录树DataSource节点
myTreeNode catalogDsNode = new myTreeNode(System.IO.Path.GetFileNameWithoutExtension(tmpFDBPath), NodeObjectType.DataSource, ds);
this.tv_CatalogTree.Nodes.Add(catalogDsNode);
string[] setnames = (string[])ds.GetFeatureDatasetNames();
if (setnames.Length == 0)
{
return;
}
IFeatureDataSet dataset = ds.OpenFeatureDataset(setnames[0]);
//设置资源目录树DataSet节点
myTreeNode catalogFdsNode = new myTreeNode(setnames[0], NodeObjectType.DataSet, dataset);
catalogDsNode.Nodes.Add(catalogFdsNode);
//遍历FeatureClass
string[] fcnames = (string[])dataset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcMap = new Hashtable(fcnames.Length);
fcuidMap = new Hashtable(fcnames.Length);
foreach (string name in fcnames)
{
IFeatureClass fc = dataset.OpenFeatureClass(name);
// 找到空间列字段
List <string> geoNames = new List <string>();
IFieldInfoCollection fieldinfos = fc.GetFields();
for (int i = 0; i < fieldinfos.Count; i++)
{
IFieldInfo fieldinfo = fieldinfos.Get(i);
if (null == fieldinfo)
{
continue;
}
IGeometryDef geometryDef = fieldinfo.GeometryDef;
if (null == geometryDef)
{
continue;
}
geoNames.Add(fieldinfo.Name);
}
fcMap.Add(fc, geoNames);
fcuidMap.Add(fc.Guid, fc);
//设置资源目录FeatureClass节点
myTreeNode catalogFcNode = new myTreeNode(name, NodeObjectType.FeatureClass, fc);
catalogFdsNode.Nodes.Add(catalogFcNode);
this.tv_CatalogTree.ExpandAll();
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
// CreateFeautureLayer
bool hasfly = false;
foreach (IFeatureClass fc in fcMap.Keys)
{
List <string> geoNames = (List <string>)fcMap[fc];
foreach (string geoName in geoNames)
{
if (!geoName.Equals("Geometry"))
{
continue;
}
IFeatureLayer featureLayer = this.axRenderControl1.ObjectManager.CreateFeatureLayer(
fc, geoName, null, null, rootId);
layers.Add(featureLayer);
if (!hasfly)
{
IFieldInfoCollection fieldinfos = fc.GetFields();
IFieldInfo fieldinfo = fieldinfos.Get(fieldinfos.IndexOf(geoName));
IGeometryDef geometryDef = fieldinfo.GeometryDef;
IEnvelope env = geometryDef.Envelope;
if (env == null || (env.MaxX == 0.0 && env.MaxY == 0.0 && env.MaxZ == 0.0 &&
env.MinX == 0.0 && env.MinY == 0.0 && env.MinZ == 0.0))
{
continue;
}
IEulerAngle angle = new EulerAngle();
angle.Set(0, -20, 0);
this.axRenderControl1.Camera.LookAt(env.Center, 1000, angle);
}
hasfly = true;
}
}
this.axRenderControl1.MouseSelectObjectMask = gviMouseSelectObjectMask.gviSelectAll;
this.axRenderControl1.MouseSelectMode = gviMouseSelectMode.gviMouseSelectClick;
this.axRenderControl1.RcMouseClickSelect += new _IRenderControlEvents_RcMouseClickSelectEventHandler(axRenderControl1_RcMouseClickSelect);
{
this.helpProvider1.SetShowHelp(this.axRenderControl1, true);
this.helpProvider1.SetHelpString(this.axRenderControl1, "");
this.helpProvider1.HelpNamespace = "DataIndex.html";
}
}