Ejemplo n.º 1
0
        public bool Open()
        {
            try
            {
                _opened = true;
                _themes.Clear();

                MapServerConnection server = new MapServerConnection(ConfigTextStream.ExtractValue(_connection, "server"));
                string axl = "<ARCXML version=\"1.1\"><REQUEST><GET_SERVICE_INFO fields=\"true\" envelope=\"true\" renderer=\"false\" extensions=\"false\" gv_meta=\"true\" /></REQUEST></ARCXML>";
                axl = server.Send(_name, axl, "BB294D9C-A184-4129-9555-398AA70284BC",
                                  ConfigTextStream.ExtractValue(_connection, "user"),
                                  ConfigTextStream.ExtractValue(_connection, "pwd"));

                XmlDocument doc = new XmlDocument();
                doc.LoadXml(axl);

                if (_class == null)
                {
                    _class = new MapServerClass(this);
                }

                double  dpi    = 96.0;
                XmlNode screen = doc.SelectSingleNode("//ENVIRONMENT/SCREEN");
                if (screen != null)
                {
                    if (screen.Attributes["dpi"] != null)
                    {
                        dpi = Convert.ToDouble(screen.Attributes["dpi"].Value.Replace(".", ","));
                    }
                }
                double dpm = (dpi / 0.0254);

                XmlNode spatialReference = doc.SelectSingleNode("//PROPERTIES/SPATIALREFERENCE");
                if (spatialReference != null)
                {
                    if (spatialReference.Attributes["param"] != null)
                    {
                        SpatialReference sRef = new SpatialReference();
                        gView.Framework.Geometry.SpatialReference.FromProj4(sRef, spatialReference.Attributes["param"].Value);

                        if (spatialReference.Attributes["name"] != null)
                        {
                            sRef.Name = spatialReference.Attributes["name"].Value;
                        }

                        _class.SpatialReference = sRef;
                    }
                }
                else
                {
                    XmlNode FeatureCoordSysNode = doc.SelectSingleNode("ARCXML/RESPONSE/SERVICEINFO/PROPERTIES/FEATURECOORDSYS");
                    if (FeatureCoordSysNode != null)
                    {
                        if (FeatureCoordSysNode.Attributes["id"] != null)
                        {
                            _class.SpatialReference = gView.Framework.Geometry.SpatialReference.FromID("epsg:" + FeatureCoordSysNode.Attributes["id"].Value);
                        }
                        else if (FeatureCoordSysNode.Attributes["string"] != null)
                        {
                            _class.SpatialReference = gView.Framework.Geometry.SpatialReference.FromWKT(FeatureCoordSysNode.Attributes["string"].Value);
                        }

                        // TODO: Geogr. Datum aus "datumtransformid" und "datumtransformstring"
                        //if (_sRef != null && FeatureCoordSysNode.Attributes["datumtransformstring"] != null)
                        //{

                        //}
                    }
                }

                foreach (XmlNode envelopeNode in doc.SelectNodes("//ENVELOPE"))
                {
                    if (_envelope == null)
                    {
                        _envelope = (new Envelope(envelopeNode)).MakeValid();
                    }
                    else
                    {
                        _envelope.Union((new Envelope(envelopeNode)).MakeValid());
                    }
                }
                foreach (XmlNode layerNode in doc.SelectNodes("//LAYERINFO[@id]"))
                {
                    bool visible = true;

                    ISpatialReference sRef = _class.SpatialReference;

                    /*
                     * spatialReference = doc.SelectSingleNode("//PROPERTIES/SPATIALREFERENCE");
                     * if (spatialReference != null)
                     * {
                     *  if (spatialReference.Attributes["param"] != null)
                     *  {
                     *      sRef = new SpatialReference();
                     *      gView.Framework.Geometry.SpatialReference.FromProj4(sRef, spatialReference.Attributes["param"].Value);
                     *
                     *      if (spatialReference.Attributes["name"] != null)
                     *          ((SpatialReference)sRef).Name = spatialReference.Attributes["name"].Value;
                     *  }
                     * }
                     * else
                     * {
                     *  XmlNode FeatureCoordSysNode = doc.SelectSingleNode("ARCXML/RESPONSE/SERVICEINFO/PROPERTIES/FEATURECOORDSYS");
                     *  if (FeatureCoordSysNode != null)
                     *  {
                     *      if (FeatureCoordSysNode.Attributes["id"] != null)
                     *      {
                     *          sRef = gView.Framework.Geometry.SpatialReference.FromID("epsg:" + FeatureCoordSysNode.Attributes["id"].Value);
                     *      }
                     *      else if (FeatureCoordSysNode.Attributes["string"] != null)
                     *      {
                     *          sRef = gView.Framework.Geometry.SpatialReference.FromWKT(FeatureCoordSysNode.Attributes["string"].Value);
                     *      }
                     *
                     *      // TODO: Geogr. Datum aus "datumtransformid" und "datumtransformstring"
                     *      //if (_sRef != null && FeatureCoordSysNode.Attributes["datumtransformstring"] != null)
                     *      //{
                     *
                     *      //}
                     *  }
                     * }
                     */

                    if (layerNode.Attributes["visible"] != null)
                    {
                        bool.TryParse(layerNode.Attributes["visible"].Value, out visible);
                    }

                    IClass           themeClass = null;
                    IWebServiceTheme theme      = null;
                    if (layerNode.Attributes["type"] != null && layerNode.Attributes["type"].Value == "featureclass")
                    {
                        themeClass = new MapThemeFeatureClass(this, layerNode.Attributes["id"].Value);
                        ((MapThemeFeatureClass)themeClass).Name             = layerNode.Attributes["name"] != null ? layerNode.Attributes["name"].Value : layerNode.Attributes["id"].Value;
                        ((MapThemeFeatureClass)themeClass).fieldsFromAXL    = layerNode.InnerXml;
                        ((MapThemeFeatureClass)themeClass).SpatialReference = sRef;

                        XmlNode FCLASS = layerNode.SelectSingleNode("FCLASS[@type]");
                        if (FCLASS != null)
                        {
                            ((MapThemeFeatureClass)themeClass).fClassTypeString = FCLASS.Attributes["type"].Value;
                        }
                        theme = LayerFactory.Create(themeClass, _class) as IWebServiceTheme;
                        if (theme == null)
                        {
                            continue;
                        }
                        theme.Visible = visible;
                    }
                    else if (layerNode.Attributes["type"] != null && layerNode.Attributes["type"].Value == "image")
                    {
                        if (layerNode.SelectSingleNode("gv_meta/class/implements[@type='gView.Framework.Data.IPointIdentify']") != null)
                        {
                            themeClass = new MapThemeQueryableRasterClass(this, layerNode.Attributes["id"].Value);
                            ((MapThemeQueryableRasterClass)themeClass).Name = layerNode.Attributes["name"] != null ? layerNode.Attributes["name"].Value : layerNode.Attributes["id"].Value;
                        }
                        else
                        {
                            themeClass = new MapThemeRasterClass(this, layerNode.Attributes["id"].Value);
                            ((MapThemeRasterClass)themeClass).Name = layerNode.Attributes["name"] != null ? layerNode.Attributes["name"].Value : layerNode.Attributes["id"].Value;
                        }
                        theme = new WebServiceTheme(
                            themeClass,
                            themeClass.Name,
                            layerNode.Attributes["id"].Value,
                            visible,
                            _class);
                    }
                    else
                    {
                        continue;
                    }

                    try
                    {
                        if (layerNode.Attributes["minscale"] != null)
                        {
                            theme.MinimumScale = Convert.ToDouble(layerNode.Attributes["minscale"].Value.Replace(".", ",")) * dpm;
                        }
                        if (layerNode.Attributes["maxscale"] != null)
                        {
                            theme.MaximumScale = Convert.ToDouble(layerNode.Attributes["maxscale"].Value.Replace(".", ",")) * dpm;
                        }
                    }
                    catch { }
                    _themes.Add(theme);
                }
                _state = DatasetState.opened;
                return(true);
            }
            catch (Exception ex)
            {
                _state = DatasetState.unknown;
                _class = null;
                return(false);
            }
        }
Ejemplo n.º 2
0
        public bool MapRequest(gView.Framework.Carto.IDisplay display)
        {
            if (_dataset == null ||
                _dataset._mapServer == null ||
                _dataset._mapDescription == null || Themes == null)
            {
                return(false);
            }

            List <IWebServiceTheme> themes = Themes;

            #region Check for visible Layers
            bool visFound = false;
            foreach (IWebServiceTheme theme in themes)
            {
                if (!theme.Visible)
                {
                    continue;
                }
                if (theme.MinimumScale > 1 && theme.MinimumScale > display.mapScale)
                {
                    continue;
                }
                if (theme.MaximumScale > 1 && theme.MaximumScale < display.mapScale)
                {
                    continue;
                }

                visFound = true;
                break;
            }
            if (!visFound)
            {
                if (_image != null)
                {
                    _image.Dispose();
                    _image = null;
                }
                return(true);
            }
            #endregion

            ISpatialReference sRef = (display.SpatialReference != null) ?
                                     display.SpatialReference.Clone() as ISpatialReference :
                                     null;

            int iWidth  = display.iWidth;
            int iHeight = display.iHeight;

            if (BeforeMapRequest != null)
            {
                BeforeMapRequest(this, display, ref sRef, ref iWidth, ref iHeight);
            }

            try
            {
                #region Extent
                _dataset._mapDescription.MapArea.Extent =
                    ArcServerHelper.EnvelopeN(display.Envelope);
                if (display.DisplayTransformation.UseTransformation)
                {
                    _dataset._mapDescription.Rotation = display.DisplayTransformation.DisplayRotation;
                }
                #endregion

                #region Back/Transparent Color
                RgbColor         backColor  = ArcServerHelper.RgbColor(display.BackgroundColor);
                SimpleFillSymbol fillSymbol = new SimpleFillSymbol();
                fillSymbol.Color   = backColor;
                fillSymbol.Outline = null;
                _dataset._mapDescription.BackgroundSymbol = fillSymbol;
                _dataset._mapDescription.TransparentColor = backColor;
                #endregion

                #region Layer Visibility
                LayerDescription[] layerDescriptions = _dataset._mapDescription.LayerDescriptions;
                foreach (LayerDescription layerDescr in layerDescriptions)
                {
                    IWebServiceTheme theme = GetThemeByLayerId(layerDescr.LayerID.ToString());
                    if (theme == null)
                    {
                        continue;
                    }
                    layerDescr.Visible = theme.Visible;
                    if (layerDescr.Visible)
                    {
                        foreach (int parentLayerId in _dataset.ParentLayerIds(layerDescr.LayerID))
                        {
                            LayerDescription parent = _dataset.LayerDescriptionById(parentLayerId);
                            if (parent != null)
                            {
                                parent.Visible = true;
                            }
                        }
                    }
                }
                #endregion

                #region ImageDescription
                ImageType imgType = new ImageType();
                imgType.ImageFormat     = esriImageFormat.esriImagePNG24;
                imgType.ImageReturnType = esriImageReturnType.esriImageReturnURL;

                ImageDisplay imgDisp = new ImageDisplay();
                imgDisp.ImageWidth       = iWidth;
                imgDisp.ImageHeight      = iHeight;
                imgDisp.ImageDPI         = display.dpi;
                imgDisp.TransparentColor = backColor;

                ImageDescription imgDescr = new ImageDescription();
                imgDescr.ImageDisplay = imgDisp;
                imgDescr.ImageType    = imgType;
                #endregion

                MapImage mapImg = _dataset._mapServer.ExportMapImage(_dataset._mapDescription, imgDescr);
                if (mapImg != null && !String.IsNullOrEmpty(mapImg.ImageURL))
                {
                    System.Drawing.Bitmap bm = WebFunctions.DownloadImage(mapImg.ImageURL, _dataset._proxy, System.Net.CredentialCache.DefaultNetworkCredentials);
                    if (bm != null)
                    {
                        _image                  = new GeorefBitmap(bm);
                        _image.Envelope         = new gView.Framework.Geometry.Envelope(new gView.Framework.Geometry.Envelope(display.Envelope));
                        _image.SpatialReference = display.SpatialReference;

                        if (AfterMapRequest != null)
                        {
                            AfterMapRequest(this, display, _image);
                        }
                    }
                }
                else
                {
                    if (_image != null)
                    {
                        _image.Dispose();
                        _image = null;
                    }
                }
                return(_image != null);
            }
            catch (Exception ex)
            {
                //ArcIMSClass.ErrorLog(context, "MapRequest", server, service, ex);
                return(false);
            }
        }
Ejemplo n.º 3
0
        async public Task <bool> Open(IServiceRequestContext context)
        {
            if (_class == null)
            {
                _class = new GeoServicesClass(this);
            }
            _class.Themes.Clear();

            _themes = new List <IWebServiceTheme>();

            string serviceUrl = ServiceUrl();
            string user       = ConfigTextStream.ExtractValue(ConnectionString, "user");
            string pwd        = ConfigTextStream.ExtractValue(ConnectionString, "pwd");

            var jsonMapService = await TryPostAsync <JsonMapService>($"{serviceUrl}?f=json");

            var jsonLayers = await TryPostAsync <JsonLayers>($"{serviceUrl}/layers?f=json");

            if (jsonMapService != null)
            {
                _class.Name = jsonMapService.MapName;

                if (jsonMapService.FullExtent != null)
                {
                    _class.Envelope = new Envelope(
                        jsonMapService.FullExtent.XMin,
                        jsonMapService.FullExtent.YMin,
                        jsonMapService.FullExtent.XMax,
                        jsonMapService.FullExtent.YMax);
                }

                if (jsonMapService.SpatialReferenceInstance != null &&
                    jsonMapService.SpatialReferenceInstance.Wkid > 0)
                {
                    var sRef = gView.Framework.Geometry.SpatialReference.FromID("epsg:" + jsonMapService.SpatialReferenceInstance.Wkid);
                    this.SetSpatialReference(sRef);
                    _class.SpatialReference = sRef;
                }

                if (jsonLayers?.Layers != null)
                {
                    foreach (var jsonLayer in jsonLayers.Layers)
                    {
                        IClass           themeClass = null;
                        IWebServiceTheme theme      = null;

                        if (jsonLayer.Type.ToLower() == "feature layer")
                        {
                            themeClass = await GeoServicesFeatureClass.CreateAsync(this, jsonLayer);

                            theme = LayerFactory.Create(themeClass, _class as IWebServiceClass) as IWebServiceTheme;
                            if (theme == null)
                            {
                                continue;
                            }
                        }
                        // ToDo Raster classes

                        if (themeClass == null)
                        {
                            continue;
                        }

                        theme.Visible = true; //false;

                        _class.Themes.Add(theme);
                    }
                }
            }

            return(true);
        }
Ejemplo n.º 4
0
        public bool Open(gView.MapServer.IServiceRequestContext context)
        {
            if (_class == null)
            {
                _class = new AGSClass(this);
            }

            #region Parameters
            string server  = ConfigTextStream.ExtractValue(ConnectionString, "server");
            string service = ConfigTextStream.ExtractValue(ConnectionString, "service");
            string user    = ConfigTextStream.ExtractValue(ConnectionString, "user");
            string pwd     = ConfigTextStream.ExtractValue(ConnectionString, "pwd");

            if ((user == "#" || user == "$") &&
                context != null && context.ServiceRequest != null && context.ServiceRequest.Identity != null)
            {
                string roles = String.Empty;
                if (user == "#" && context.ServiceRequest.Identity.UserRoles != null)
                {
                    foreach (string role in context.ServiceRequest.Identity.UserRoles)
                    {
                        if (String.IsNullOrEmpty(role))
                        {
                            continue;
                        }
                        roles += "|" + role;
                    }
                }
                user = context.ServiceRequest.Identity.UserName + roles;
                pwd  = context.ServiceRequest.Identity.HashedPassword;
            }
            #endregion

            try
            {
                _proxy = ProxySettings.Proxy(server);

                _themes.Clear();
                _parentIds.Clear();

                _mapServer       = new gView.Interoperability.AGS.Proxy.MapServer(service);
                _mapServer.Proxy = gView.Framework.Web.ProxySettings.Proxy(service);
                MapServerInfo msi = _mapServer.GetServerInfo(_mapServer.GetDefaultMapName());
                _mapDescription = msi.DefaultMapDescription;

                MapLayerInfo[] mapLayerInfos = msi.MapLayerInfos;
                foreach (MapLayerInfo layerInfo in mapLayerInfos)
                {
                    if (layerInfo.Extent is EnvelopeN)
                    {
                        EnvelopeN env = (EnvelopeN)layerInfo.Extent;
                        if (_envelope == null)
                        {
                            _envelope = new gView.Framework.Geometry.Envelope(env.XMin, env.YMin, env.XMax, env.YMax);
                        }
                        else
                        {
                            _envelope.Union(new gView.Framework.Geometry.Envelope(env.XMin, env.YMin, env.XMax, env.YMax));
                        }
                    }

                    CalcParentLayerIds(mapLayerInfos, layerInfo.LayerID);
                    IClass           themeClass = null;
                    IWebServiceTheme theme      = null;
                    LayerDescription ld         = LayerDescriptionById(layerInfo.LayerID);
                    if (ld == null)
                    {
                        continue;
                    }

                    if (layerInfo.LayerType == "Feature Layer")
                    {
                        #region Geometry Type (Point, Line, Polygon)
                        geometryType geomType = geometryType.Unknown;
                        if (layerInfo.Fields != null)
                        {
                            foreach (Proxy.Field fieldInfo in layerInfo.Fields.FieldArray)
                            {
                                if (fieldInfo.Type == esriFieldType.esriFieldTypeGeometry &&
                                    fieldInfo.GeometryDef != null)
                                {
                                    switch (fieldInfo.GeometryDef.GeometryType)
                                    {
                                    case esriGeometryType.esriGeometryMultipoint:
                                    case esriGeometryType.esriGeometryPoint:
                                        geomType = geometryType.Point;
                                        break;

                                    case esriGeometryType.esriGeometryPolyline:
                                        geomType = geometryType.Polyline;
                                        break;

                                    case esriGeometryType.esriGeometryPolygon:
                                        geomType = geometryType.Polygon;
                                        break;

                                    case esriGeometryType.esriGeometryMultiPatch:
                                        break;
                                    }
                                }
                            }
                        }
                        #endregion

                        themeClass = new AGSThemeFeatureClass(this, layerInfo, geomType);
                        theme      = LayerFactory.Create(themeClass, _class as IWebServiceClass) as IWebServiceTheme;
                        if (theme == null)
                        {
                            continue;
                        }
                    }
                    else if (layerInfo.LayerType == "Raster Layer" ||
                             layerInfo.LayerType == "Raster Catalog Layer")
                    {
                        themeClass = new AGSThemeRasterClass(this, layerInfo);
                        theme      = LayerFactory.Create(themeClass, _class as IWebServiceClass) as IWebServiceTheme;
                        if (theme == null)
                        {
                            continue;
                        }
                    }
                    else
                    {
                        MapLayerInfo parentLayer = MapLayerInfoById(mapLayerInfos, layerInfo.ParentLayerID);
                        if (parentLayer != null && parentLayer.LayerType == "Annotation Layer")
                        {
                            themeClass = new AGSThemeFeatureClass(this, layerInfo, geometryType.Polygon);
                            theme      = LayerFactory.Create(themeClass, _class as IWebServiceClass) as IWebServiceTheme;
                            if (theme == null)
                            {
                                continue;
                            }
                        }
                    }
                    if (theme != null)
                    {
                        theme.MinimumScale = layerInfo.MaxScale;
                        theme.MaximumScale = layerInfo.MinScale;
                        theme.Visible      = ld.Visible;
                        _themes.Add(theme);
                    }
                }

                _state = DatasetState.opened;
                return(true);
            }
            catch (Exception ex)
            {
                _state  = DatasetState.unknown;
                _errMsg = ex.Message;
                return(false);
            }
        }