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);
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;
}
this.axRenderControl1.Camera.FlyTime = 0;
this.cbOrderPolicy.SelectedIndex = 0;
if (geoFac == null)
{
geoFac = new GeometryFactory();
}
#region 加载road FDB
try
{
IConnectionInfo ci = new ConnectionInfo();
ci.ConnectionType = gviConnectionType.gviConnectionFireBird2x;
string tmpFDBPath = (strMediaPath + @"\Network.FDB");
ci.Database = tmpFDBPath;
IDataSourceFactory dsFactory = new DataSourceFactory();
IDataSource ds = dsFactory.OpenDataSource(ci);
string[] setnames = (string[])ds.GetFeatureDatasetNames();
if (setnames.Length == 0)
{
return;
}
dataset_Road = ds.OpenFeatureDataset(setnames[0]);
string[] fcnames = (string[])dataset_Road.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcMap_Road = new Hashtable(fcnames.Length);
foreach (string name in fcnames)
{
IFeatureClass fc = dataset_Road.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_Road.Add(fc, geoNames);
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
// CreateFeautureLayer
bool hasfly = false;
foreach (IFeatureClass fc in fcMap_Road.Keys)
{
List <string> geoNames = (List <string>)fcMap_Road[fc];
foreach (string geoName in geoNames)
{
if (!geoName.Equals("Geometry"))
{
continue;
}
IFeatureLayer featureLayer = this.axRenderControl1.ObjectManager.CreateFeatureLayer(
fc, geoName, null, null, rootId);
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;
}
}
Thread.Sleep(2000);
// 加载网络
try
{
dsManager = dataset_Road.GetNetworkManager();
string[] networkDatasetNames = dsManager.GetNetworkNames();
bool hasNetworkDataset = false;
for (int i = 0; i < networkDatasetNames.Length; i++)
{
if (networkDatasetNames[i] == "newNetworkDataset")
{
hasNetworkDataset = true;
}
}
if (!hasNetworkDataset)
{
dsLoader = dsManager.CreateNetworkLoader();
dsLoader.Name = "newNetworkDataset";
dsLoader.XYTolerance = double.Parse(txtLoaderTolerance.Text);
edgeNS = new EdgeNetworkSource();
edgeNS.SourceName = "road";
edgeNS.ConnectivityPolicy = gviNetworkEdgeConnectivityPolicy.gviEndVertex;
edgeNS.GeoColumnName = "Geometry";
edgeNS.ClassConnectivityGroup = 1;
dsLoader.AddSource(edgeNS);
INetworkAttribute attr = new NetworkAttribute();
attr.FieldType = gviFieldType.gviFieldDouble;
attr.Name = "Length";
attr.UsageType = gviNetworkAttributeUsageType.gviUseAsCost;
INetworkFieldEvaluator fieldEvaluator = new NetworkFieldEvaluator();
fieldEvaluator.FieldName = "Geometry";
attr.SetEvaluator(edgeNS, gviEdgeDirection.gviAlongDigitized, fieldEvaluator);
attr.SetEvaluator(edgeNS, gviEdgeDirection.gviAgainstDigitized, fieldEvaluator);
dsLoader.AddNetworkAttribute(attr);
dsLoader.LoadNetwork();
}
network = dsManager.GetNetwork("newNetworkDataset");
routeSolver = network.CreateRouteSolver();
routeSolver.ImpedanceAttributeName = "Length";
routeSolver.LocationSearchTolerance = double.Parse(txtSearchTolerance.Text);
////Marshal.ReleaseComObject(dsManager);
////Marshal.ReleaseComObject(dsLoader);
////Marshal.ReleaseComObject(attr);
////Marshal.ReleaseComObject(edgeNS);
////Marshal.ReleaseComObject(fieldEvaluator);
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
#endregion
#region 加载POI FDB
try
{
IConnectionInfo ci = new ConnectionInfo();
ci.ConnectionType = gviConnectionType.gviConnectionFireBird2x;
string tmpFDBPath = (strMediaPath + @"\POI-1.FDB");
ci.Database = tmpFDBPath;
IDataSourceFactory dsFactory = new DataSourceFactory();
IDataSource ds = dsFactory.OpenDataSource(ci);
string[] setnames = (string[])ds.GetFeatureDatasetNames();
if (setnames.Length == 0)
{
return;
}
IFeatureDataSet dataset = ds.OpenFeatureDataset(setnames[0]);
string[] fcnames = (string[])dataset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcMap_POI = 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_POI.Add(fc, geoNames);
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
//解析配置文件
string featurelayerName = "";
IValueMapGeometryRender render_JingDian = new ValueMapGeometryRender();
IValueMapGeometryRender render_MeiShi = new ValueMapGeometryRender();
IValueMapGeometryRender render_ZhuSu = new ValueMapGeometryRender();
IValueMapGeometryRender render_HuoDong = new ValueMapGeometryRender();
IValueMapGeometryRender render_GouWu = new ValueMapGeometryRender();
IValueMapGeometryRender render_ATM = new ValueMapGeometryRender();
IValueMapGeometryRender render_WC = new ValueMapGeometryRender();
string[] fn = Directory.GetFiles((strMediaPath + @"\xml\xml"));
foreach (string str in fn)
{
IValueMapGeometryRender render = new ValueMapGeometryRender();
try
{
XmlDocument docReader = new XmlDocument();
docReader.Load(str);
if (docReader.SelectSingleNode("FeatureLayer") != null)
{
featurelayerName = docReader.SelectSingleNode("FeatureLayer").Attributes["Name"].Value;
XmlNode GeometryRenderNode = docReader.SelectSingleNode("FeatureLayer").ChildNodes[0];
switch (GeometryRenderNode.Attributes["HeightStyle"].Value)
{
case "gviHeightAbsolute":
render.HeightStyle = gviHeightStyle.gviHeightAbsolute;
break;
case "gviHeightOnTerrain":
render.HeightStyle = gviHeightStyle.gviHeightOnTerrain;
break;
case "gviHeightRelative":
render.HeightStyle = gviHeightStyle.gviHeightRelative;
break;
}
render.RenderGroupField = GeometryRenderNode.Attributes["GroupField"].Value;
XmlNodeList xnl = docReader.SelectSingleNode("FeatureLayer").ChildNodes[0].ChildNodes[0].ChildNodes;
if (xnl.Count > 0)
{
foreach (XmlNode RenderSchemeNode in xnl)
{
IGeometryRenderScheme renderScheme = new GeometryRenderScheme();
IUniqueValuesRenderRule uniqueRenderRule = new UniqueValuesRenderRule();
IImagePointSymbol imagePointSym = new ImagePointSymbol();
XmlNodeList renderSchemeChilds = RenderSchemeNode.ChildNodes;
if (renderSchemeChilds.Count > 0)
{
XmlNode renderRuleNode = renderSchemeChilds.Item(0);
uniqueRenderRule.LookUpField = renderRuleNode.Attributes["LookUpField"].Value;
uniqueRenderRule.AddValue(renderRuleNode.Attributes["UniqueValue"].Value);
XmlNode geometrySymbolNode = renderSchemeChilds.Item(1);
imagePointSym.ImageName = geometrySymbolNode.Attributes["ImageName"].Value;
//imagePointSym.Size = int.Parse(geometrySymbolNode.Attributes["Size"].Value);
imagePointSym.Size = 60;
imagePointSym.Alignment = gviPivotAlignment.gviPivotAlignBottomCenter;
}
renderScheme.AddRule(uniqueRenderRule);
renderScheme.Symbol = imagePointSym;
render.AddScheme(renderScheme);
}
}
switch (featurelayerName)
{
case "景点347":
render_JingDian = render;
break;
case "ATM611":
render_ATM = render;
break;
case "购物67":
render_GouWu = render;
break;
case "活动927":
render_HuoDong = render;
break;
case "WC968":
render_WC = render;
break;
case "美食563":
render_MeiShi = render;
break;
case "住宿513":
render_ZhuSu = render;
break;
}
}
}
catch (System.Exception ex)
{
MessageBox.Show(str + " 解析失败");
return;
}
}
ISimpleTextRender textRender = new SimpleTextRender();
textRender.Expression = "$(Name)";
textRender.DynamicPlacement = true;
textRender.MinimizeOverlap = true;
ITextSymbol textSymbol = new TextSymbol();
TextAttribute textAttribute = new TextAttribute();
textAttribute.TextColor = System.Drawing.Color.Blue;
textAttribute.Font = "微软雅黑";
textSymbol.TextAttribute = textAttribute;
textSymbol.PivotAlignment = gviPivotAlignment.gviPivotAlignBottomCenter;
textSymbol.VerticalOffset = 10;
textRender.Symbol = textSymbol;
// CreateFeautureLayer
foreach (IFeatureClass fc in fcMap_POI.Keys)
{
List <string> geoNames = (List <string>)fcMap_POI[fc];
foreach (string geoName in geoNames)
{
if (!geoName.Equals("Geometry"))
{
continue;
}
switch (fc.Name)
{
case "景点347":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_JingDian, rootId);
break;
case "ATM611":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_ATM, rootId);
break;
case "购物67":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_GouWu, rootId);
break;
case "活动927":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_HuoDong, rootId);
break;
case "WC968":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_WC, rootId);
break;
case "美食563":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_MeiShi, rootId);
break;
case "住宿513":
this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoName, textRender, render_ZhuSu, rootId);
break;
}
}
}
#endregion
{
this.helpProvider1.SetShowHelp(this.axRenderControl1, true);
this.helpProvider1.SetHelpString(this.axRenderControl1, "");
this.helpProvider1.HelpNamespace = "Network.html";
}
}