Esempio n. 1
0
        private XAMLParameters GenerateXaml(XAMLParameters Parameters, XAMLResponse _XAMLResponse, StringBuilder xaml, SqlDataReader rdr)
        {
            XAMLFields shp = new XAMLFields();
            shp.Fields = new Dictionary<string, string>();
            for (int i = 0; i < rdr.FieldCount; i++)
            {
                if (rdr[i].GetType().Equals(typeof(SqlGeometry)) ||
                    rdr.GetName(i).Equals(geomField))
                { //skip
                }
                else
                {
                    string test2 = rdr.GetName(i) + "   " + geomField + "XAML";
                    if (rdr.GetName(i).Equals("ID"))
                    {
                        shp.ID = Parameters.table + "_" + rdr[i].ToString();
                    }
                    else if (rdr.GetName(i).Equals(geomField + "XAML"))
                    {

                        SqlGeography geo = (SqlGeography)rdr[geomField + "XAML"];
                        StringBuilder geoxaml = new StringBuilder();

                        switch (geo.STGeometryType().ToString().ToUpper())
                        {
                            case "POINT":
                                {
                                    geoxaml.Append(XamlPoint(geo, Parameters.table, shp.ID));
                                    break;
                                }
                            case "LINESTRING":
                                {
                                    geoxaml.Append(XamlLinestring(geo, Parameters.table, shp.ID));
                                    break;
                                }
                            case "POLYGON":
                                {
                                    geoxaml.Append(XamlPolygon(geo, Parameters.table, shp.ID));
                                    break;
                                }
                            case "MULTILINESTRING":
                                {
                                    geoxaml.Append(XamlMultiLinestring(geo, Parameters.table, shp.ID));
                                    break;
                                }
                            case "MULTIPOLYGON":
                                {
                                    geoxaml.Append(XamlMultiPolygon(geo, Parameters.table, shp.ID));
                                    break;
                                }
                            case "GEOMETRYCOLLECTION":
                                {
                                    geoxaml.Append(XamlGeometryCollection(geo, Parameters.table, shp.ID));
                                    break;
                                }
                        }
                        xaml.Append(geoxaml.ToString());
                    }
                    else
                    {
                        shp.Fields.Add(rdr.GetName(i), rdr[i].ToString().UF8toNormalString());
                    }
                }
            }
            _XAMLResponse.OutputFields.Add(shp);
            return Parameters;
        }
Esempio n. 2
0
        public XAMLResponse GetSQLDataAreaXAML(XAMLParameters Parameters)
        {
            DateTime queryStart = DateTime.Now;
            DateTime queryStop;

            XAMLResponse _XAMLResponse = new XAMLResponse();
            _XAMLResponse.ErrorCode = 0;
            _XAMLResponse.OutputMessage = "Success";
            _XAMLResponse.OutputFields = new List<XAMLFields>();

            StringBuilder xaml = new StringBuilder();
            string layerstr = "layer" + CultureInfo.CurrentCulture.TextInfo.ToTitleCase(Parameters.table);

            //XML MapLayer header string for return XAML
            xaml.Append("<m:MapLayer x:Name=\"" + layerstr + "\"");
            xaml.Append(" xmlns:m=\"clr-namespace:Microsoft.Maps.MapControl;assembly=Microsoft.Maps.MapControl\"");
            xaml.Append(" xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"");
            xaml.Append(" xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\"");
            xaml.Append(">");
            string connStr = ConfigurationManager.ConnectionStrings["DataConnectionString"].ConnectionString;
            SqlConnection conn = new SqlConnection(connStr);
            SqlDataReader rdr = null;

            StringBuilder query = new StringBuilder();

            try
            {
                switch (Parameters.querytype.ToLower())
                {
                    case "Buffer":
                        {
                            query.Append("SELECT TOP 100 *," + geomField + ".Reduce(@reduce) as " + geomField + "XAML FROM [dbo].[" + Parameters.table + "] where country = 'PRT'");

                            break;
                        }

                    default:
                        break;
                }

                queryStart = DateTime.Now;
                SqlCommand cmd = new SqlCommand(query.ToString(), conn);
                cmd.Parameters.Add(new SqlParameter("reduce", Parameters.reduce));

                conn.Open();
                rdr = cmd.ExecuteReader();
                while (rdr.Read())
                {
                    Parameters = GenerateXaml(Parameters, _XAMLResponse, xaml, rdr);
                }
                xaml.AppendLine("</m:MapLayer>");
                _XAMLResponse.XAML = xaml.ToString();
            }
            catch (ArithmeticException e)
            {
                ServiceException(_XAMLResponse, e.Message);
            }
            catch (ArgumentException e)
            {
                ServiceException(_XAMLResponse, e.Message);
            }
            catch (Exception e)
            {
                ServiceException(_XAMLResponse, e.Message);
            }
            finally
            {
                if (rdr != null) rdr.Close();
                if (conn != null) conn.Close();
            }
            queryStop = DateTime.Now;
            _XAMLResponse.QueryTime = (queryStop - queryStart).TotalMilliseconds;
            _XAMLResponse.totalPoints = totalPoints;

            return _XAMLResponse;
        }
Esempio n. 3
0
        /// <summary>
        /// GetSQLDataXAML
        ///     returns XAML MapLayer with results of SQL Server query
        /// </summary>
        /// <param name="Parameters">XAMLParameters required for query</param>
        public XAMLResponse GetSQLDataXAML(XAMLParameters Parameters)
        {
            DateTime queryStart = DateTime.Now;
            DateTime queryStop;

            XAMLResponse _XAMLResponse = new XAMLResponse();
            _XAMLResponse.ErrorCode = 0;
            _XAMLResponse.OutputMessage = "Success";
            _XAMLResponse.OutputFields = new List<XAMLFields>();

            StringBuilder xaml = new StringBuilder();
            string layerstr = "layer" + CultureInfo.CurrentCulture.TextInfo.ToTitleCase(Parameters.table);

            //XML MapLayer header string for return XAML
            xaml.Append("<m:MapLayer x:Name=\"" + layerstr + "\"");
            xaml.Append(" xmlns:m=\"clr-namespace:Microsoft.Maps.MapControl;assembly=Microsoft.Maps.MapControl\"");
            xaml.Append(" xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"");
            xaml.Append(" xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\"");
            xaml.Append(">");
            string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
            SqlConnection conn = new SqlConnection(connStr);
            SqlDataReader rdr = null;

            try
            {
                if (Parameters.querytype == null || Parameters.querytype.Length == 0) throw new ArgumentException("Invalid Parameters: querytype=\"" + Parameters.querytype + "\"");
                if (Parameters.querytype.ToLower().Equals("buffer") && Parameters.radius <= 0) throw new ArgumentException("Invalid Parameters: querytype buffer requires radius > 0 - \"" + Parameters.radius + "\"");
                int test = Parameters.points.Split(',').Length;
                if (Parameters.points.Length == 0 && Parameters.querytype.ToLower().Equals("buffer")) throw new ArgumentException("Invalid Parameters: points must contain at least one point for querytype buffer");
                if (Parameters.points.Split(',').Length != 5 && Parameters.querytype.ToLower().Equals("bbox")) throw new ArgumentException("Invalid Parameters: points must contain 5 points for a closed querytype bbox");

                StringBuilder query = new StringBuilder();
                if (Parameters.querytype.ToLower().Equals("bbox"))
                {   //BBox
                    query.Append("SELECT *," + geomField + ".Reduce(@reduce) as " + geomField + "XAML FROM [dbo].[" + Parameters.table + "] WITH(INDEX(the_geo_sidx)) WHERE ");
                    query.Append(geomField + ".STIntersects(geography::STGeomFromText('POLYGON(('+@points+'))', @srid))=1");
                }
                else
                {
                    if (Parameters.querytype.ToLower().Equals("buffer"))
                    {
                        query.Append("SELECT TOP 100 *," + geomField + ".Reduce(@reduce) as " + geomField + "XAML FROM [dbo].[" + Parameters.table + "] WITH(INDEX(the_geo_sidx)) WHERE marine = 0 and ");
                        if (Parameters.points.Split(',').Length > 1)
                        {   //Polyline Buffer
                            query.Append(geomField + ".STIntersects(geography::STGeomFromText('LINESTRING('+@points+')', @srid).STBuffer(@radius))=1  ORDER BY rep_area desc");
                        }
                        else
                        {   //Point Buffer
                            query.Append(geomField + ".STIntersects(geography::STGeomFromText('POINT('+@points+')', @srid).STBuffer(@radius))=1  ORDER BY rep_area desc");
                        }
                    }
                    else
                    {
                        if (Parameters.querytype.ToLower().Equals("name"))
                        {
                            query.Append("SELECT TOP 50 *," + geomField + ".Reduce(@reduce) as " + geomField + "XAML FROM [dbo].[" + Parameters.table + "] WHERE marine = 0 and ");
                            query.Append("country = @points ORDER BY rep_area desc");
                        }
                        else if (Parameters.querytype.ToLower().Equals("id"))
                        {
                            query.Append("SELECT *," + geomField + ".Reduce(@reduce) as " + geomField + "XAML FROM [dbo].[" + Parameters.table + "] WHERE marine = 0 and ");
                            query.Append("ID = @points");
                        }
                    }
                }

                queryStart = DateTime.Now;
                SqlCommand cmd = new SqlCommand(query.ToString(), conn);
                cmd.Parameters.Add(new SqlParameter("reduce", Parameters.reduce));
                cmd.Parameters.Add(new SqlParameter("radius", Parameters.radius));
                cmd.Parameters.Add(new SqlParameter("srid", srid));
                cmd.Parameters.Add(new SqlParameter("points", Parameters.points));

                conn.Open();
                rdr = cmd.ExecuteReader();

                while (rdr.Read())
                {

                    Parameters = GenerateXaml(Parameters, _XAMLResponse, xaml, rdr);
                }
                xaml.AppendLine("</m:MapLayer>");
                _XAMLResponse.XAML = xaml.ToString();
            }
            catch (ArithmeticException e)
            {
                ServiceException(_XAMLResponse, e.Message);
            }
            catch (ArgumentException e)
            {
                ServiceException(_XAMLResponse, e.Message);
            }
            catch (Exception e)
            {
                ServiceException(_XAMLResponse, e.Message);
            }
            finally
            {
                if (rdr != null) rdr.Close();
                if (conn != null) conn.Close();
            }
            queryStop = DateTime.Now;
            _XAMLResponse.QueryTime = (queryStop - queryStart).TotalMilliseconds;
            _XAMLResponse.totalPoints = totalPoints;

            return _XAMLResponse;
        }