Ejemplo n.º 1
0
        public XLayer ReadFile(string filename)
        {
            FileStream   fsr = new FileStream(filename, FileMode.Open);
            BinaryReader br  = new BinaryReader(fsr);
            //读文件头
            MyFileHeader mfh = (MyFileHeader)XTools.FromBytes(br, typeof(MyFileHeader));
            //读图层名称
            string name = XTools.ReadString(br);
            //读属性字段结构
            List <XField> fields = ReadFields(mfh.FieldCount, br);
            //定义图层
            SHAPETYPE ShapeType =
                (SHAPETYPE)Enum.Parse(typeof(SHAPETYPE),
                                      mfh.ShapeType.ToString());
            XExtent extent = new XExtent(
                new XVertex(mfh.MinX, mfh.MinY),
                new XVertex(mfh.MaxX, mfh.MaxY));
            XLayer layer = new XLayer(name, ShapeType, extent, fields);

            //读空间对象类型
            for (int i = 0; i < mfh.FeatureCount; i++)
            {
                XSpatial   spatial   = ReadSpatial(ShapeType, br);
                XAttribute attribute = ReadAttribute(br, fields);
                layer.AddFeature(new XFeature(spatial, attribute));
            }
            //关闭文件并返回结果
            br.Close();
            fsr.Close();
            return(layer);
        }
Ejemplo n.º 2
0
 public XFeature(XSpatial _Spatial, XAttribute _Attribute)
 {
     Spatial   = _Spatial;
     Attribute = _Attribute;
 }