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);
}
public XFeature(XSpatial _Spatial, XAttribute _Attribute)
{
Spatial = _Spatial;
Attribute = _Attribute;
}