void FdoImportExportTest::Test8 ()
{
try {
FdoIoStreamP configStream = FdoIoMemoryStream::Create();
CreateConfigBadWkt( configStream );
// Test 8 tries adding a spatial context whose WKT differs
// from what Oracle defines for its coordinate system.
// This test should fail for Oracle and pass for the others.
printf( "Test8 (junk WKT) ... \n" );
printf( "\tOpening Source Connection ... \n" );
FdoPtr<FdoIConnection> connection = UnitTestUtil::CreateConnection(
true,
true,
DB_NAME_SRC_SUFFIX,
NULL,
NULL,
0
);
FdoPtr<FdoIConnectionCapabilities> cap = connection->GetConnectionCapabilities();
// Import from the input XML document
printf( "\tImporting ...\n" );
Import(
connection,
configStream,
NULL,
true,
false
);
FdoPtr<FdoIGetSpatialContexts> cmd = (FdoIGetSpatialContexts*) connection->CreateCommand( FdoCommandType_GetSpatialContexts );
cmd->SetActiveOnly(false);
FdoPtr<FdoISpatialContextReader> reader = cmd->Execute();
while ( reader->ReadNext() ) {
// Skip default spatial context if not writing it.
if ( wcscmp(reader->GetName(), L"Manhole1") == 0 ) {
if ( cap->SupportsCSysWKTFromCSysName() )
CPPUNIT_ASSERT( wcscmp(reader->GetCoordinateSystemWkt(), L"LOCAL_CS [ \"Non-Earth (Meter)\", LOCAL_DATUM [\"Local Datum\", 0], UNIT [\"Meter\", 1.0], AXIS [\"X\", EAST], AXIS[\"Y\", NORTH]]") == 0 );
else
CPPUNIT_ASSERT( wcscmp(reader->GetCoordinateSystemWkt(), L"nonsense wkt") == 0 );
}
}
}
catch ( FdoException* e )
{
UnitTestUtil::FailOnException( e );
}
printf( "Done\n" );
}
void SuperMapConnection::CreateSpatialContext(
FdoString* name,
FdoString* description,
FdoString* coordinateSystem,
FdoString* coordinateSystemWkt,
FdoSpatialContextExtentType extentType,
FdoByteArray * extent,
double xyTolerance,
double zTolerance,
bool update
)
{
bool found = false;
// 检查是否有同一个WKT空间语义存在
for(FdoInt32 i = 0; i < m_SpatialContextColl->GetCount() && !found; ++i)
{
FdoPtr<SuperMapSpatialContext> sp = m_SpatialContextColl->GetItem(i);
found = (coordinateSystemWkt == sp->GetCoordinateSystemWkt());
}
// 赋新的坐标系
if(!found)
{
FdoPtr<SuperMapSpatialContext> newSp = new SuperMapSpatialContext();
FdoInt32 idxGenName = 1;
FdoStringP newName = name;
// 查找重复的空间语义名，在名字后加数字避免重名
while(m_SpatialContextColl->FindItem(newName))
{
newName = FdoStringP::Format(L"%ls_%d", (FdoString*)name, idxGenName);
idxGenName++;
}
//设置新的空间语义
newSp->SetName(newName);
newSp->SetCoordSysName(coordinateSystem);
newSp->SetCoordinateSystemWkt(coordinateSystemWkt);
newSp->SetDescription(description);
newSp->SetExtent(extent);
newSp->SetExtentType(extentType);
newSp->SetXYTolerance(xyTolerance);
newSp->SetZTolerance(zTolerance);
m_SpatialContextColl->Add(newSp);
//Todo: 往物理数据源中添加投影信息是否在此做？
}
}
EGwsStatus GwsCommonFdoUtils::DescribeSC (
FdoIConnection * conn,
FdoString * scname,
GwsSpatialContextDescription & scdesc
)
{
FdoPtr<FdoIGetSpatialContexts> cmd;
FdoPtr<FdoISpatialContextReader> reader;
scdesc.SetClassName (GWSQualifiedName ());
scdesc.SetPropertyName (NULL);
scdesc.SetSpatialContextName (NULL);
scdesc.SetSpatialContextDesc (NULL);
scdesc.SetCsNameWkt (NULL);
if (scname == NULL || * scname == 0)
return eGwsOk;
try {
cmd = (FdoIGetSpatialContexts *) conn->CreateCommand (FdoCommandType_GetSpatialContexts);
reader = cmd->Execute ();
while (reader->ReadNext ()) {
if (wcscmp (reader->GetName (), scname) == 0) {
FdoString * cswkt = reader->GetCoordinateSystemWkt ();
FdoString * desc = reader->GetDescription ();
double xytol = reader->GetXYTolerance();
scdesc.SetCsNameWkt (cswkt);
scdesc.SetSpatialContextDesc (desc);
scdesc.SetSpatialContextName (scname);
scdesc.SetXYTolerance(xytol);
FdoPtr<FdoByteArray> pByteArray = reader->GetExtent();
if (pByteArray) {
FdoPtr<FdoFgfGeometryFactory> pAwkbFactory = FdoFgfGeometryFactory::GetInstance();
FdoPtr<FdoIGeometry> pGeometry = pAwkbFactory->CreateGeometryFromFgf(pByteArray);
FdoPtr<FdoIEnvelope> pEnvelope = pGeometry->GetEnvelope();
scdesc.SetExtents (pEnvelope);
}
return eGwsOk;
}
}
return eGwsSCNotFound;
} catch (FdoException * fdoEx) {
fdoEx->Release ();
}
// in case when exception thrown, assume that sc are not
// supported.
return eGwsNotSupported;
}