Beispiel #1
0
        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";
            }
        }