Ejemplo n.º 1
0
        private void showPointOnSearchTableMap(double x, double y)
        {
            MapInfo.Mapping.Map map = Session.Current.MapFactory.CreateEmptyMap(System.IntPtr.Zero,  new Size(10,10));
            MapInfo.Mapping.FeatureLayer searchLayer = new MapInfo.Mapping.FeatureLayer(_searchTable);
            map.Layers.Add(searchLayer);

            MapForm1 mapForm = new MapForm1(map);
            Form parentForm = this;

            // create a temp table and add a featurelayer for it (use map alias as table alias)
            // make the table hidden (maybe)
            MapInfo.Geometry.CoordSys coordSys = map.GetDisplayCoordSys();
            TableInfoMemTable ti = new TableInfoMemTable("temp");
            ti.Temporary = true;

            // add object column
            Column col;
            col = new GeometryColumn(coordSys); // specify coordsys for object column
            col.Alias = "obj";
            col.DataType = MIDbType.FeatureGeometry;
            ti.Columns.Add(col);

            // add style column
            col = new Column();
            col.Alias = "MI_Style";
            col.DataType = MIDbType.Style;
            ti.Columns.Add(col);

            Table pointTable = Session.Current.Catalog.CreateTable(ti);

            // I am using a Point example here. You can create a rectangle instead
            MapInfo.Geometry.FeatureGeometry g = new MapInfo.Geometry.Point(coordSys, x, y);
            MapInfo.Styles.SimpleVectorPointStyle vs = new MapInfo.Styles.SimpleVectorPointStyle(37, System.Drawing.Color.Red, 14);
            MapInfo.Styles.CompositeStyle cs = new MapInfo.Styles.CompositeStyle(vs);

            MICommand cmd =  _miConnection.CreateCommand();
            cmd.Parameters.Add("geometry",MIDbType.FeatureGeometry);
            cmd.Parameters.Add("style",MIDbType.Style);
            cmd.CommandText = "Insert Into temp (obj,MI_Style) values (geometry,style)";
            cmd.Prepare();
            cmd.Parameters[0].Value = g;
            cmd.Parameters[1].Value = cs;
            int nchanged = cmd.ExecuteNonQuery();
            cmd.Dispose();

            map.Layers.Add(new MapInfo.Mapping.FeatureLayer(pointTable));
            // another way: Map.Load(new MapTableLoader(table));

            // make the map encompass the entire search layer
            map.SetView(searchLayer);

            // size the map form
            mapForm.Size = new Size(500,500);

            //Show the form like a dialog (modal)
            mapForm.ShowDialog(parentForm);

            pointTable.Close();
        }
Ejemplo n.º 2
0
        private void showPointOnSearchTableMap(double x, double y)
        {
            MapInfo.Mapping.Map          map         = Session.Current.MapFactory.CreateEmptyMap(System.IntPtr.Zero, new Size(10, 10));
            MapInfo.Mapping.FeatureLayer searchLayer = new MapInfo.Mapping.FeatureLayer(_searchTable);
            map.Layers.Add(searchLayer);

            MapForm1 mapForm    = new MapForm1(map);
            Form     parentForm = this;

            // create a temp table and add a featurelayer for it (use map alias as table alias)
            // make the table hidden (maybe)
            MapInfo.Geometry.CoordSys coordSys = map.GetDisplayCoordSys();
            TableInfoMemTable         ti       = new TableInfoMemTable("temp");

            ti.Temporary = true;

            // add object column
            Column col;

            col          = new GeometryColumn(coordSys);    // specify coordsys for object column
            col.Alias    = "obj";
            col.DataType = MIDbType.FeatureGeometry;
            ti.Columns.Add(col);

            // add style column
            col          = new Column();
            col.Alias    = "MI_Style";
            col.DataType = MIDbType.Style;
            ti.Columns.Add(col);

            Table pointTable = Session.Current.Catalog.CreateTable(ti);

            // I am using a Point example here. You can create a rectangle instead
            MapInfo.Geometry.FeatureGeometry      g  = new MapInfo.Geometry.Point(coordSys, x, y);
            MapInfo.Styles.SimpleVectorPointStyle vs = new MapInfo.Styles.SimpleVectorPointStyle(37, System.Drawing.Color.Red, 14);
            MapInfo.Styles.CompositeStyle         cs = new MapInfo.Styles.CompositeStyle(vs);

            MICommand cmd = _miConnection.CreateCommand();

            cmd.Parameters.Add("geometry", MIDbType.FeatureGeometry);
            cmd.Parameters.Add("style", MIDbType.Style);
            cmd.CommandText = "Insert Into temp (obj,MI_Style) values (geometry,style)";
            cmd.Prepare();
            cmd.Parameters[0].Value = g;
            cmd.Parameters[1].Value = cs;
            int nchanged = cmd.ExecuteNonQuery();

            cmd.Dispose();

            map.Layers.Add(new MapInfo.Mapping.FeatureLayer(pointTable));
            // another way: Map.Load(new MapTableLoader(table));

            // make the map encompass the entire search layer
            map.SetView(searchLayer);

            // size the map form
            mapForm.Size = new Size(500, 500);

            //Show the form like a dialog (modal)
            mapForm.ShowDialog(parentForm);

            pointTable.Close();
        }