Aspose.GIS for .NET 24.12 Release Notes

            var ds = Drivers.PostGis
                .FromDefinition("tmp_planet_osm_belarus")
                .GeometryField("way")
                .AddAttribute("osm_id", AttributeDataType.Long)
                .IdentityAttribute("osm_id")
                .AddAttribute("name", AttributeDataType.String)
                .Build();

            ds.UseConnection(_conn);

            var geom = Geometry.FromText(
                "POLYGON ((28.4539091 52.7023765, 28.4621488 52.659916, 28.5150205 52.6732414, 28.4944212 52.7032086, 28.4539091 52.7023765))",
                SpatialReferenceSystem.Wgs84);
            var transformation = SpatialReferenceSystem.Wgs84.CreateTransformationTo(SpatialReferenceSystem.WebMercator);

            geom = transformation.Transform(geom);

            ((Geometry)geom).HasZ = false; // disable z demention due to the geometry column not support that

            var layer = ds.GetEmptyLayer();
            var newFeature = layer.ConstructFeature();
            newFeature.Geometry = geom;
            newFeature.SetValue("osm_id", 0101);
            newFeature.SetValue("name", "just a meaningless polygon");
            layer.Add(newFeature);

            await ds.SubmitChangesAsync();
            layer = await ds.Layer.Where(x => x.GetValue<long>("osm_id") == 0101).ToVectorLayerAsync();

            var layer_1 = Drivers.JpegW.OpenLayer("world1.jpg");
            var layer_2 = Drivers.Shapefile.OpenLayer("ug.shp");
            var map = new Map();
            map.Add(layer_1);
            map.Add(layer_2);
            map.Render("map.jpg", Renderers.Jpeg);

            OsmXmlOptions options = new OsmXmlOptions();
            options.WriteCommonAttributes = true;
            options.ReportCommonAttributes = true;

            using (var newLayer = VectorLayer.Create("tempname.xml", Drivers.OsmXml, options))
            {
                using (var layer = VectorLayer.Open("fountain.osm", Drivers.OsmXml, options))
                {
                    foreach (var feature in layer)
                    {
                        newLayer.Add(feature);
                    }
                }
            }