private void cbxSourceKQ_SelectedIndexChanged(object sender, EventArgs e)
{
//变量声明
mcFields Fields = null;
IVectorCls VecCls = null;
//打开简单要素类
VecCls = m_gdbObj.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls.Open(this.cbxSourceKQ.SelectedItem.ToString(), 0);
//直接取它的属性结构
VecCls.GetFields(out Fields);
for (short i = 0; i < Fields.numbfield; i++)
{
this.cbxSourceField.Items.Add(Fields.get_fldEntry(i).fieldname);
}
}
private void btnGeoUpdate_Click(object sender, EventArgs e)
{
GeoUpdateParameterSetDlg aupDlg = new GeoUpdateParameterSetDlg(this);
if (aupDlg.ShowDialog() == DialogResult.OK)
{
mcGDBServer GDBSvr = null;
mcGDataBase GDB = null;
mcGDataBase GDB_source = null;
mcQueryDef QueryDef = null;
mcQueryDef QueryDef_source = null;
mcGeoPolygon GeoPolygon = null;
mcGeoPolygon GeoPolygon_source = null;
IGeometry pgeo = null;
IGeometry pgeo_source = null;
IVectorCls VecCls = null;
IVectorCls VecCls_source = null;
mcObjectID ID = null;
mcObjectID ID_Source = null;
IVectorCls VecCls_Add = null;
GDBSvr = new mcGDBServer();
QueryDef = new mcQueryDef();
QueryDef_source = new mcQueryDef();
GeoPolygon = new mcGeoPolygon();
GeoPolygon_source = new mcGeoPolygon();
//变量初始化
ID = new mcObjectID();
ID_Source = new mcObjectID();
//连接数据源，打开数据库
try
{
GDBSvr.Connect("MapGislocal", "", "");
GDB = GDBSvr.get_gdb(DB);
GDB_source = GDBSvr.get_gdb(DB_source);
VecCls = GDB.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_source = GDB_source.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls.Open(KQ, 0);
VecCls_source.Open(KQ_source, 0);
ID.Int = 1;
VecCls.GetGeometry(ID, out pgeo);
GeoPolygon = (mcGeoPolygon)pgeo;
//空间查询模式。主要有四种 ：相交、外包矩形相交、相等、相离，具体意思及区别见技术文档
QueryDef.set_Spatial(GeoPolygon, meSpaQueryMode.meModeIntersect);
ID_Source.Int = 1;
VecCls_source.GetGeometry(ID_Source, out pgeo_source);
GeoPolygon_source = (mcGeoPolygon)pgeo_source;
//空间查询模式。主要有四种 ：相交、外包矩形相交、相等、相离，具体意思及区别见技术文档
QueryDef_source.set_Spatial(GeoPolygon_source, meSpaQueryMode.meModeIntersect);
string[] keys = new string[dict.Count];
dict.Keys.CopyTo(keys, 0);
foreach (string key in keys)
{
if ("".Equals(key))
{
mcQueryDef QDef = null;
mcRecordSet RecordSet = null;
QueryDef = new mcQueryDef();
IVectorCls VecCls_data = null;
//打开待分析数据
VecCls_data = GDB.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_data.Open(dict[key], 0);
VecCls_Add = GDB_source.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_Add.Create(dict[key], meGeomConstrainType.mefReg, 0, 0, null);
//设置属性查询条件
QueryDef.Filter = "";
VecCls_data.Select(QDef, out RecordSet);
int rtn = VecCls_Add.CopySet(RecordSet);
VecCls_Add.Close();
VecCls_data.Close();
break;
}
SpatialDataAutoUpdate(GDBSvr, GDB, GDB_source, QueryDef, QueryDef_source, dict[key], key, Field, Field_source);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
VecCls.Close();
VecCls_source.Close();
GDBSvr.DisConnect();
GDB.Close();
GDB_source.Close();
}
}
}
private static void SpatialDataAutoUpdate(mcGDBServer GDBSvr, mcGDataBase GDB, mcGDataBase GDB_source,
mcQueryDef QueryDef, mcQueryDef QueryDef_source, string data, string data_source, string field, string field_source)
{
//变量定义
mcRecordSet RecordSet = null;
mcRecordSet RecordSet_source = null;
IVectorCls VecCls_data = null;
IVectorCls VecCls_source_data = null;
try
{
//打开待分析数据
VecCls_data = GDB.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_data.Open(data, 0);
VecCls_source_data = GDB_source.get_XClass(meXClsType.meXSFCls) as IVectorCls;
VecCls_source_data.Open(data_source, 0);
VecCls_data.Select(QueryDef, out RecordSet);
VecCls_source_data.Select(QueryDef_source, out RecordSet_source);
int SfcID = 0;
SfcID = RecordSet.MoveFirst();
while (!RecordSet.IsEOF())
{
mcRecord record = null;
mcFields Fields = null;
IGeometry geo = null;
IGeomInfo geoInfo = null;
object val = null;
mcObjectID mID = new mcObjectID();
RecordSet.Get(out geo, out record, out geoInfo);
record.GetFields(out Fields);
record.GetFldVal(field, out val);
int SfcID_source = 0;
bool flag = true;
SfcID_source = RecordSet_source.MoveFirst();
while (!RecordSet_source.IsEOF())
{
mcObjectID id_source = new mcObjectID();
mcRecord record_source = null;
mcFields Fields_source = null;
IGeometry geo_source = null;
IGeomInfo geoInfo_source = null;
object val_source = null;
RecordSet_source.Get(out geo_source, out record_source, out geoInfo_source);
RecordSet_source.GetID(out id_source);
record_source.GetFields(out Fields_source);
record_source.GetFldVal(field_source, out val_source);
//找到新旧数据中对应的矿体
if (val.ToString().Equals(val_source.ToString()))
{
flag = false;
VecCls_source_data.Del(id_source);
VecCls_source_data.Append(geo, record, geoInfo);
//更新原始数据结果集 要不会报空指针错误
VecCls_source_data.Select(QueryDef, out RecordSet_source);
break;
}
SfcID_source = RecordSet_source.MoveNext();
}
//判断是否是新增矿体 新增矿体直接添加
if (flag)
{
VecCls_source_data.Append(geo, record, geoInfo);
//更新原始数据结果集 要不会报空指针错误
VecCls_source_data.Select(QueryDef, out RecordSet_source);
}
SfcID = RecordSet.MoveNext();
}
}
catch (Exception ex)
{
throw new Exception("更新出错啦！");
}
finally
{
//关闭类、数据库、断开数据源
VecCls_data.Close();
VecCls_source_data.Close();
}
}