Ejemplo n.º 1
0
        public bool GenerateNew()
        {
            try
            {
                string   appPath    = System.IO.Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
                Assembly uiAssembly = Assembly.LoadFrom(appPath + @"\gView.Interoperability.OGC.UI.dll");

                IModalDialog dlg = uiAssembly.CreateInstance("gView.Interoperability.OGC.UI.Dataset.WMS.FormNewConnection") as IModalDialog;
                if (dlg is IConnectionString)
                {
                    if (dlg.OpenModal())
                    {
                        string connectionString = ((IConnectionString)dlg).ConnectionString;

                        _dataset = new WMSDataset();
                        _dataset.ConnectionString = connectionString;
                        return(true);
                    }
                }
            }
            catch
            {
            }
            return(false);
        }
Ejemplo n.º 2
0
 public WMSQueryableThemeClass(WMSDataset dataset, string name, string style, XmlNode layerNode, WMSClass.GetFeatureInfo getFeatureInfo, WMSClass.SRS srs, WMSClass.WMSExceptions exceptions)
     : base(dataset, name, style, layerNode)
 {
     _getFeatureInfo = getFeatureInfo;
     _srs            = srs;
     _exceptions     = exceptions;
 }
Ejemplo n.º 3
0
 public WMSClass(WMSDataset dataset)
 {
     _dataset = dataset;
     if (_dataset != null)
     {
         _name = _dataset._name;
     }
 }
Ejemplo n.º 4
0
        async static public Task <WMSDataset> Create(string connectionString, string name)
        {
            var dataset = new WMSDataset();

            dataset._name = name;

            await dataset.SetConnectionString(connectionString);

            return(dataset);
        }
Ejemplo n.º 5
0
        public void Load(gView.Framework.IO.IPersistStream stream)
        {
            _dataset = null;
            string connectionString = (string)stream.Load("ConnectionString", String.Empty);

            if (connectionString != String.Empty)
            {
                _dataset = new WMSDataset();
                _dataset.ConnectionString = connectionString;
            }
        }
Ejemplo n.º 6
0
        public WMSThemeClass(WMSDataset dataset, string name, string style, XmlNode layerNode)
        {
            _dataset = dataset;
            _name    = name;
            _style   = style;

            if (layerNode != null)
            {
                //if (style != String.Empty)
                //{
                //    XmlNode styleNode=layerNode.SelectSingleNode("Style[@Name='" + style + "'");
                //    if (styleNode != null && layerNode.Attributes["Title"] != null)
                //        _name += " (Style=" + styleNode.Attributes["Title"].Value + ")";
                //}
            }
        }
Ejemplo n.º 7
0
        public bool MapRequest(gView.Framework.Carto.IDisplay display)
        {
            if (_srs == null)
            {
                return(false);
            }

            if (!_dataset.IsOpened)
            {
                if (!_dataset.Open())
                {
                    return(false);
                }
            }

            List <IWebServiceTheme> themes = Themes;

            if (themes == null)
            {
                return(false);
            }

            #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

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

            if (BeforeMapRequest != null)
            {
                ISpatialReference sRef = this.SpatialReference;
                BeforeMapRequest(this, display, ref sRef, ref iWidth, ref iHeight);
                if (sRef != null && sRef.Name.ToLower() != this.SRSCode.ToLower())
                {
                    this.SRSCode = sRef.Name;
                }
            }

            IEnvelope displayEnv = display.Envelope;

            if (display.SpatialReference != null && !display.SpatialReference.Equals(this.SpatialReference))
            {
                displayEnv = GeometricTransformer.Transform2D(displayEnv, display.SpatialReference, this.SpatialReference).Envelope;
                iHeight    = (int)((displayEnv.Height / displayEnv.Width) * iWidth);
            }

            StyledLayerDescriptorWriter sldWriter = null;
            StringBuilder request = new StringBuilder("VERSION=1.1.1&REQUEST=GetMap");
            StringBuilder layers = new StringBuilder(), styles = new StringBuilder();
            foreach (IWebServiceTheme theme in themes)
            {
                if (!theme.Visible || theme.Locked ||
                    (!(theme.Class is WMSThemeClass) &&
                     !(theme.Class is WFSFeatureClass)))
                {
                    continue;
                }

                if (layers.Length > 0)
                {
                    layers.Append(",");
                    styles.Append(",");
                }
                layers.Append(theme.Class.Name);
                if (theme.Class is IWMSStyle)
                {
                    styles.Append(((IWMSStyle)theme.Class).Style);
                }
                if (theme.FeatureRenderer != null &&
                    _userDefinedSymbolization.SupportSLD &&
                    _userDefinedSymbolization.UserStyle)
                {
                    SLDRenderer sldRenderer = null;
                    if (theme.FeatureRenderer is SLDRenderer)
                    {
                        sldRenderer = (SLDRenderer)theme.FeatureRenderer;
                    }
                    else
                    {
                        //if (theme.FilterQuery is ISpatialFilter)
                        //{
                        //    IGeometry pGeometry = GeometricTransformer.Transform2D(
                        //        ((ISpatialFilter)theme.FilterQuery).Geometry,
                        //        display.SpatialReference,
                        //        this.SpatialReference);

                        //    IGeometry oGeometry = ((ISpatialFilter)theme.FilterQuery).Geometry;
                        //    ((ISpatialFilter)theme.FilterQuery).Geometry = pGeometry;
                        //    sldRenderer = new SLDRenderer(theme);
                        //    ((ISpatialFilter)theme.FilterQuery).Geometry = oGeometry;
                        //}
                        //else
                        {
                            sldRenderer = new SLDRenderer(theme);
                            if (display.SpatialReference != null)
                            {
                                sldRenderer.SetDefaultSrsName(display.SpatialReference.Name);
                            }
                        }
                    }
                    if (sldWriter == null)
                    {
                        sldWriter = new StyledLayerDescriptorWriter();
                    }

                    sldWriter.WriteNamedLayer(theme.Class.Name, sldRenderer);
                }
            }
            request.Append("&LAYERS=" + layers.ToString());
            if (sldWriter != null)
            {
                string sld = sldWriter.ToLineString();
                if (!_use_SLD_BODY && !string.IsNullOrEmpty(MapServerConfig.DefaultOutputPath))
                {
                    string       sldFilename = "style_" + Guid.NewGuid().ToString("N") + ".sld";
                    StreamWriter sw          = new StreamWriter(MapServerConfig.DefaultOutputPath + @"\" + sldFilename);
                    sw.WriteLine(sldWriter.ToString());
                    sw.Close();

                    request.Append("&SLD=" + MapServerConfig.DefaultOutputUrl + "/" + sldFilename);
                }
                else
                {
                    request.Append("&SLD_BODY=" + sld.Replace("#", "%23"));
                }
            }
            else
            {
                request.Append("&STYLES=" + styles.ToString());
            }
            if (_exceptions != null && _exceptions.Formats.Count > 0)
            {
                request.Append("&EXCEPTIONS=" + _exceptions.Formats[0]);
            }
            request.Append("&SRS=" + _srs.Srs[_srs.SRSIndex]);
            request.Append("&WIDTH=" + iWidth);
            request.Append("&HEIGHT=" + iHeight);
            request.Append("&FORMAT=" + _getMap.Formats[_getMap.FormatIndex]);
            request.Append("&BBOX=" +
                           displayEnv.minx.ToString(_nhi) + "," +
                           displayEnv.miny.ToString(_nhi) + "," +
                           displayEnv.maxx.ToString(_nhi) + "," +
                           displayEnv.maxy.ToString(_nhi));
            //request.Append("&BGCOLOR=FFFFFF");
            request.Append("&TRANSPARENT=TRUE");

            if (_image != null)
            {
                _image.Dispose();
                _image = null;
            }
            System.Drawing.Bitmap bm = null;
            //if (_getMap.Post_OnlineResource != String.Empty && sldWriter != null)
            //{
            //    //bm = WebFunctions.DownloadImage(WMSDataset.Append2Url(_getMap.Post_OnlineResource, request.ToString() + "&SLD="),
            //    //    UTF8Encoding.UTF8.GetBytes(sldWriter.ToString()));
            //    bm = WebFunctions.DownloadImage(_getMap.Post_OnlineResource,
            //        UTF8Encoding.UTF8.GetBytes(request.ToString()));
            //}
            //else
            {
#if (DEBUG)
                gView.Framework.system.Logger.LogDebug("Start WMS DownloadImage");
#endif
                string url = WMSDataset.Append2Url(_getMap.Get_OnlineResource, request.ToString());
                try
                {
                    bm = WebFunctions.DownloadImage(url,
                                                    ConfigTextStream.ExtractValue(_dataset._connectionString, "usr"),
                                                    ConfigTextStream.ExtractValue(_dataset._connectionString, "pwd"));
                }
                catch (Exception ex)
                {
                    WMSClass.ErrorLog(display.Map as IServiceRequestContext, "MapRequest", url, ex);
                    return(false);
                }
#if (DEBUG)
                gView.Framework.system.Logger.LogDebug("WMS DownloadImage Finished");
#endif
            }
            if (bm != null)
            {
                _image                  = new GeorefBitmap(bm);
                _image.Envelope         = displayEnv;
                _image.SpatialReference = this.SpatialReference;

                if (AfterMapRequest != null)
                {
                    AfterMapRequest(this, display, _image);
                }
            }
            return(_image != null);
        }
Ejemplo n.º 8
0
        public ICursor PointQuery(gView.Framework.Carto.IDisplay display, gView.Framework.Geometry.IPoint point, ISpatialReference sRef, IUserData userdata)
        {
            if (display == null || point == null)
            {
                return(null);
            }

            IEnvelope dispEnvelope = display.Envelope;

            if (sRef != null)
            {
                ISpatialReference mySRef = SpatialReference.FromID(_srs.Srs[_srs.SRSIndex]);
                if (mySRef != null && !mySRef.Equals(sRef))
                {
                    // TODO:
                    // Stimmt net ganz, eigentlich wird beim Projezieren aus dem
                    // Envelope ein Polygon, auch der Punkt, der als X-Pixel, Y-Pixel
                    // übergeben wird, sollte sich ändern...
                    // --> World2Image stimmt nicht 100%
                    //
                    dispEnvelope = GeometricTransformer.Transform2D(dispEnvelope, sRef, mySRef).Envelope;
                }
            }
            double x = point.X, y = point.Y;

            display.World2Image(ref x, ref y);

            StringBuilder request = new StringBuilder("VERSION=1.1.1&REQUEST=GetFeatureInfo");

            request.Append("&QUERY_LAYERS=" + this.Name);
            request.Append("&QUERYLAYERS=" + this.Name);
            request.Append("&LAYERS=" + this.Name);
            //request.Append("&LAYERS=" + this.Name);
            request.Append("&EXCEPTIONS=" + _exceptions.Formats[0]);
            request.Append("&SRS=" + _srs.Srs[_srs.SRSIndex]);
            request.Append("&WIDTH=" + display.iWidth);
            request.Append("&HEIGHT=" + display.iHeight);
            request.Append("&INFOFORMAT=" + _getFeatureInfo.Formats[_getFeatureInfo.FormatIndex]);
            request.Append("&INFO_FORMAT=" + _getFeatureInfo.Formats[_getFeatureInfo.FormatIndex]);
            request.Append("&BBOX=" + dispEnvelope.minx.ToString(_nhi) + "," +
                           dispEnvelope.miny.ToString(_nhi) + "," +
                           dispEnvelope.maxx.ToString(_nhi) + "," +
                           dispEnvelope.maxy.ToString(_nhi));
            request.Append("&X=" + (int)x);
            request.Append("&Y=" + (int)y);

            string response;

            if (_getFeatureInfo.Formats[_getFeatureInfo.FormatIndex].ToLower().StartsWith("xsl/"))
            {
                return(new UrlCursor(WMSDataset.Append2Url(_getFeatureInfo.Get_OnlineResource, request.ToString())));
            }
            else
            {
                switch (_getFeatureInfo.Formats[_getFeatureInfo.FormatIndex].ToLower())
                {
                case "text/plain":
                    response = WebFunctions.HttpSendRequest(WMSDataset.Append2Url(_getFeatureInfo.Get_OnlineResource, request.ToString()));
                    return(new TextCursor(response));

                case "text/html":
                    return(new UrlCursor(WMSDataset.Append2Url(_getFeatureInfo.Get_OnlineResource, request.ToString())));

                case "text/xml":
                    response = WebFunctions.HttpSendRequest(WMSDataset.Append2Url(_getFeatureInfo.Get_OnlineResource, request.ToString()));
                    return(new RowCursor(Xml2Rows(response)));

                case "application/vnd.ogc.gml":
                    response = WebFunctions.HttpSendRequest(WMSDataset.Append2Url(_getFeatureInfo.Get_OnlineResource, request.ToString()));
                    return(new RowCursor(Gml2Rows(response)));
                }
            }
            return(null);
        }