Question

                DatasetVector dataset2;
                Datasource datasource = workspace1.Datasources[0];
                Layer3Ds layers = sceneControl1.Scene.Layers;
                
                List<one_signals_source> data = dlg.data;
                int size = data.Count;
                for (int i = 0; i < size; i++)
                {
                    one_signals_source tmp = data[i];

                    string name = tmp.name;
                    double x = tmp.x, y = tmp.y, z = tmp.z, r = tmp.r;
                    dataset2 = datasource.Datasets[0] as DatasetVector;

                    dataset2.PrjCoordSys = PrjCoordSys.FromEPSG(4326); ;
                    Recordset recordset = dataset2.GetRecordset(false, CursorType.Dynamic);


                    // landmark
                    GeoStyle3D geostyle3d2;
                    geostyle3d2 = new GeoStyle3D();
                    geostyle3d2.AltitudeMode = AltitudeMode.Absolute;
                    geostyle3d2.FillForeColor = Color.FromArgb(255, 0, 255, 255);

                    GeoCone geocone = new GeoCone();
                    geocone.Position = new Point3D(x, y, z);
                    geocone.BottomRadius = 5;
                    geocone.Height = 20;
                    geocone.Style3D = geostyle3d2;

                    GeoModel3D geomodel2 = geocone.ConvertToGeoModel3D(true);
                    geomodel2.Style3D = geostyle3d2;

                    // 这里往数据集里天剑了这个GeoModel3D, 但不知道如何保存它的Style3D
                    recordset2.AddNew(geomodel2);
                    recordset2.Update();

                    geostyle3d2 = new GeoStyle3D();
                    geostyle3d2.AltitudeMode = AltitudeMode.Absolute;
                    geostyle3d2.FillForeColor = Color.FromArgb(255, 0, 255, 255);
                    Layer3DSettingVector setting2 = new Layer3DSettingVector();
                    setting2.Style = geostyle3d2;
                    Layer3DDataset layer2 = layers.Add(dataset2, setting2, true);
                    layer2.IsEditable = true;
                    layer2.IsSelectable = true;
                    layer2.IsVisible = true;
                    layer2.MaxObjectVisibleDistance = double.MaxValue;
                    layer2.MaxVisibleAltitude = double.MaxValue;
                    layer2.UpdateData();





                    
                }

iobject .NET 桌面二次开发

生成一个GeoCone，添加到数据集中，并在场景中显示。

下一次打开这个数据集，GeoCone模型的Style3D就失效了，如何保存这个Style3D呢？

Answer 1

在supermap中数据集不存储风格，风格是存储在图层中，如果需要保存风格的话，将当前这个场景保存到工作空间，然后下次打开的时候直接打卡工作空间即可。