//延长线函数
public static void ExpandLine(mcRecordSet LineSet, IVectorCls vcls)
{
IGeometry l_geoLine = null;
LineSet.GetGeometry(out l_geoLine);
IGeoVarLine l_Line = null;
l_Line = l_geoLine as IGeoVarLine;
mcDots l_dots = null;
l_Line.Get2Dots(out l_dots);
mcDot dot_1 = l_dots.get_item(0);
mcDot dot_2 = l_dots.get_item(l_dots.count - 1);
//垂直(因为数据不标准，所以设置为< 1)
if (Math.Abs(dot_1.x - dot_2.x) < 1)
{
mcDot NewDot1 = new mcDot();
mcDot NewDot2 = new mcDot();
NewDot1.x = dot_1.x;
NewDot1.y = dot_1.y + l_Line.CalLength(null) / 10;
NewDot2.x = dot_2.x;
NewDot2.y = dot_2.y - l_Line.CalLength(null) / 10;
mcGeoVarLine NewLine = new mcGeoVarLine();
NewLine.Append2D(NewDot1);
NewLine.Append2D(NewDot2);
vcls.Append(NewLine, null, null);
mcObjectID delID = null;
LineSet.GetID(out delID);
vcls.Del(delID);
}
else
{
//计算直线的斜率
double slope = Math.Abs(dot_2.y - dot_1.y) / Math.Abs(dot_2.x - dot_1.x);
mcDot NewDot1 = new mcDot();
mcDot NewDot2 = new mcDot();
NewDot1.x = dot_1.x - l_Line.CalLength(null) / 10;
NewDot1.y = slope * (NewDot1.x - dot_1.x) + dot_1.y;
NewDot2.x = dot_2.x + l_Line.CalLength(null) / 10;
NewDot2.y = slope * (NewDot2.x - dot_2.x) + dot_2.y;
mcGeoVarLine NewLine = new mcGeoVarLine();
NewLine.Append2D(NewDot1);
NewLine.Append2D(NewDot2);
vcls.Append(NewLine, null, null);
mcObjectID delID = null;
LineSet.GetID(out delID);
vcls.Del(delID);
}
}
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();
}
}