public MG_GeometryType Type; // default NONE public MG_Layer() { layerCount++; this.LayerName = "Layer_" + layerCount.ToString(); this.LayerPath = null; this.IsVisible = true; this.FeatureSet = new MG_FeatureSet(); this.FieldSet = new MG_FieldSet(this.LayerName); this.Extent = new MG_MapExtent(); this.Type = MG_GeometryType.NONE; }
private string LayerPath; // null or not #endregion Fields #region Constructors public MG_Layer() { layerCount++; this.LayerName = "Layer_" + layerCount.ToString(); this.LayerPath = null; this.IsVisible = true; this.FeatureSet = new MG_FeatureSet(); this.FieldSet = new MG_FieldSet(this.LayerName); this.Extent = new MG_MapExtent(); this.Type = MG_GeometryType.NONE; }
protected MG_FeatureSet GetFeatureSet(MG_FieldSet fieldSet,string table) { NpgsqlDataReader reader = this.SelectAll(table); if (reader == null || !reader.HasRows) return null; MG_FeatureSet featureSet = new MG_FeatureSet(); int fc = reader.FieldCount; // 4 while (reader.Read()) {// oid f1,f2,f3... geom MG_Feature f = new MG_Feature(fieldSet); MG_ValueSet valueSet = new MG_ValueSet(); string oid = reader["oid"].ToString(); string geom = reader["geomtext"].ToString(); for (int i = 1; i < fc-1; i++) { string str = reader[i].ToString(); MG_Value value = new MG_Value(i - 1, str); valueSet.Add(value); } f.ValueSet = valueSet; f.Geometry = MG_ShapeFileOper.AsGeometry(geom); featureSet.Add(f); } reader.Close(); reader.Dispose(); return featureSet; }