예제 #1
0
파일: gmlutils.cpp 프로젝트: Joe-xXx/gdal
OGRGeometry* GML_BuildOGRGeometryFromList(const CPLXMLNode* const * papsGeometry,
                                          int bTryToMakeMultipolygons,
                                          int bInvertAxisOrderIfLatLong,
                                          const char* pszDefaultSRSName,
                                          int bConsiderEPSGAsURN,
                                          int bGetSecondaryGeometryOption,
                                          void* hCacheSRS)
{
    OGRGeometry* poGeom = NULL;
    int i;
    OGRGeometryCollection* poCollection = NULL;
    for(i=0;papsGeometry[i] != NULL;i++)
    {
        OGRGeometry* poSubGeom = GML2OGRGeometry_XMLNode( papsGeometry[i],
                                                          bGetSecondaryGeometryOption );
        if (poSubGeom)
        {
            if (poGeom == NULL)
                poGeom = poSubGeom;
            else
            {
                if (poCollection == NULL)
                {
                    if (bTryToMakeMultipolygons &&
                        wkbFlatten(poGeom->getGeometryType()) == wkbPolygon &&
                        wkbFlatten(poSubGeom->getGeometryType()) == wkbPolygon)
                    {
                        OGRGeometryCollection* poGeomColl = new OGRMultiPolygon();
                        poGeomColl->addGeometryDirectly(poGeom);
                        poGeomColl->addGeometryDirectly(poSubGeom);
                        poGeom = poGeomColl;
                    }
                    else if (bTryToMakeMultipolygons &&
                                wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon &&
                                wkbFlatten(poSubGeom->getGeometryType()) == wkbPolygon)
                    {
                        OGRGeometryCollection* poGeomColl = (OGRGeometryCollection* )poGeom;
                        poGeomColl->addGeometryDirectly(poSubGeom);
                    }
                    else if (bTryToMakeMultipolygons &&
                                wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon &&
                                wkbFlatten(poSubGeom->getGeometryType()) == wkbMultiPolygon)
                    {
                        OGRGeometryCollection* poGeomColl = (OGRGeometryCollection* )poGeom;
                        OGRGeometryCollection* poGeomColl2 = (OGRGeometryCollection* )poSubGeom;
                        int nCount = poGeomColl2->getNumGeometries();
                        int i;
                        for(i=0;i<nCount;i++)
                        {
                            poGeomColl->addGeometry(poGeomColl2->getGeometryRef(i));
                        }
                        delete poSubGeom;
                    }
                    else if (bTryToMakeMultipolygons &&
                                wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon)
                    {
                        delete poGeom;
                        delete poSubGeom;
                        return GML_BuildOGRGeometryFromList(papsGeometry, FALSE,
                                                            bInvertAxisOrderIfLatLong,
                                                            pszDefaultSRSName,
                                                            bConsiderEPSGAsURN,
                                                            bGetSecondaryGeometryOption,
                                                            hCacheSRS);
                    }
                    else
                    {
                        poCollection = new OGRGeometryCollection();
                        poCollection->addGeometryDirectly(poGeom);
                        poGeom = poCollection;
                    }
                }
                if (poCollection != NULL)
                {
                    poCollection->addGeometryDirectly(poSubGeom);
                }
            }
        }
    }

    if ( poGeom != NULL && bInvertAxisOrderIfLatLong )
    {
        std::string osWork;
        const char* pszSRSName = GML_ExtractSrsNameFromGeometry(papsGeometry, osWork,
                                                          bConsiderEPSGAsURN);
        const char* pszNameLookup = pszSRSName ? pszSRSName : pszDefaultSRSName;
        if (pszNameLookup != NULL)
        {
            SRSCache* poSRSCache = (SRSCache*)hCacheSRS;
            int bSwap;
            if (strcmp(poSRSCache->osLastSRSName.c_str(), pszNameLookup) == 0)
            {
                bSwap = poSRSCache->bAxisInvertLastSRSName;
            }
            else
            {
                bSwap = GML_IsSRSLatLongOrder(pszNameLookup);
                poSRSCache->osLastSRSName = pszNameLookup;
                poSRSCache->bAxisInvertLastSRSName= bSwap;
            }
            if (bSwap)
                poGeom->swapXY();
        }
    }

    return poGeom;
}
예제 #2
0
OGRGeometry* GML_BuildOGRGeometryFromList(const CPLXMLNode* const * papsGeometry,
                                          int bTryToMakeMultipolygons,
                                          int bInvertAxisOrderIfLatLong,
                                          const char* pszDefaultSRSName,
                                          int bConsiderEPSGAsURN,
                                          int bGetSecondaryGeometryOption,
                                          void* hCacheSRS,
                                          int bFaceHoleNegative)
{
    OGRGeometry* poGeom = NULL;
    int i;
    OGRGeometryCollection* poCollection = NULL;
    for(i=0;papsGeometry[i] != NULL;i++)
    {
        OGRGeometry* poSubGeom = GML2OGRGeometry_XMLNode( papsGeometry[i],
                                                          bGetSecondaryGeometryOption,
                                                          0, 0, FALSE, TRUE,
                                                          bFaceHoleNegative );
        if (poSubGeom)
        {
            if (poGeom == NULL)
                poGeom = poSubGeom;
            else
            {
                if (poCollection == NULL)
                {
                    if (bTryToMakeMultipolygons &&
                        wkbFlatten(poGeom->getGeometryType()) == wkbPolygon &&
                        wkbFlatten(poSubGeom->getGeometryType()) == wkbPolygon)
                    {
                        OGRGeometryCollection* poGeomColl = new OGRMultiPolygon();
                        poGeomColl->addGeometryDirectly(poGeom);
                        poGeomColl->addGeometryDirectly(poSubGeom);
                        poGeom = poGeomColl;
                    }
                    else if (bTryToMakeMultipolygons &&
                                wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon &&
                                wkbFlatten(poSubGeom->getGeometryType()) == wkbPolygon)
                    {
                        OGRGeometryCollection* poGeomColl = (OGRGeometryCollection* )poGeom;
                        poGeomColl->addGeometryDirectly(poSubGeom);
                    }
                    else if (bTryToMakeMultipolygons &&
                                wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon &&
                                wkbFlatten(poSubGeom->getGeometryType()) == wkbMultiPolygon)
                    {
                        OGRGeometryCollection* poGeomColl = (OGRGeometryCollection* )poGeom;
                        OGRGeometryCollection* poGeomColl2 = (OGRGeometryCollection* )poSubGeom;
                        int nCount = poGeomColl2->getNumGeometries();
                        int i;
                        for(i=0;i<nCount;i++)
                        {
                            poGeomColl->addGeometry(poGeomColl2->getGeometryRef(i));
                        }
                        delete poSubGeom;
                    }
                    else if (bTryToMakeMultipolygons &&
                                wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon)
                    {
                        delete poGeom;
                        delete poSubGeom;
                        return GML_BuildOGRGeometryFromList(papsGeometry, FALSE,
                                                            bInvertAxisOrderIfLatLong,
                                                            pszDefaultSRSName,
                                                            bConsiderEPSGAsURN,
                                                            bGetSecondaryGeometryOption,
                                                            hCacheSRS);
                    }
                    else
                    {
                        poCollection = new OGRGeometryCollection();
                        poCollection->addGeometryDirectly(poGeom);
                        poGeom = poCollection;
                    }
                }
                if (poCollection != NULL)
                {
                    poCollection->addGeometryDirectly(poSubGeom);
                }
            }
        }
    }
    
    if( poGeom == NULL )
        return NULL;

    std::string osWork;
    const char* pszSRSName = GML_ExtractSrsNameFromGeometry(papsGeometry, osWork,
                                                            bConsiderEPSGAsURN);
    const char* pszNameLookup = pszSRSName;
    if( pszNameLookup == NULL )
        pszNameLookup = pszDefaultSRSName;

    if (pszNameLookup != NULL)
    {
        SRSCache* poSRSCache = (SRSCache*)hCacheSRS;
        SRSDesc& oSRSDesc = poSRSCache->Get(pszNameLookup);
        poGeom->assignSpatialReference(oSRSDesc.poSRS);
        if (oSRSDesc.bAxisInvert && bInvertAxisOrderIfLatLong)
            poGeom->swapXY();
    }

    return poGeom;
}
예제 #3
0
OGRGeometry* GML_BuildOGRGeometryFromList(char** papszGeometryList,
                                          int bTryToMakeMultipolygons,
                                          int bInvertAxisOrderIfLatLong,
                                          const char* pszDefaultSRSName)
{
    OGRGeometry* poGeom = NULL;
    if( papszGeometryList != NULL )
    {
        char** papszIter = papszGeometryList;
        OGRGeometryCollection* poCollection = NULL;
        while(*papszIter)
        {
            OGRGeometry* poSubGeom = OGRGeometryFactory::createFromGML( *papszIter );
            if (poSubGeom)
            {
                if (poGeom == NULL)
                    poGeom = poSubGeom;
                else
                {
                    if (poCollection == NULL)
                    {
                        if (bTryToMakeMultipolygons &&
                            wkbFlatten(poGeom->getGeometryType()) == wkbPolygon &&
                            wkbFlatten(poSubGeom->getGeometryType()) == wkbPolygon)
                        {
                            OGRGeometryCollection* poGeomColl = new OGRMultiPolygon();
                            poGeomColl->addGeometryDirectly(poGeom);
                            poGeomColl->addGeometryDirectly(poSubGeom);
                            poGeom = poGeomColl;
                        }
                        else if (bTryToMakeMultipolygons &&
                                  wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon &&
                                 wkbFlatten(poSubGeom->getGeometryType()) == wkbPolygon)
                        {
                            OGRGeometryCollection* poGeomColl = (OGRGeometryCollection* )poGeom;
                            poGeomColl->addGeometryDirectly(poSubGeom);
                        }
                        else if (bTryToMakeMultipolygons &&
                                 wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon &&
                                 wkbFlatten(poSubGeom->getGeometryType()) == wkbMultiPolygon)
                        {
                            OGRGeometryCollection* poGeomColl = (OGRGeometryCollection* )poGeom;
                            OGRGeometryCollection* poGeomColl2 = (OGRGeometryCollection* )poSubGeom;
                            int nCount = poGeomColl2->getNumGeometries();
                            int i;
                            for(i=0;i<nCount;i++)
                            {
                                poGeomColl->addGeometry(poGeomColl2->getGeometryRef(i));
                            }
                            delete poSubGeom;
                        }
                        else if (bTryToMakeMultipolygons &&
                                 wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon)
                        {
                            delete poGeom;
                            delete poSubGeom;
                            return GML_BuildOGRGeometryFromList(papszGeometryList, FALSE,
                                                                bInvertAxisOrderIfLatLong,
                                                                pszDefaultSRSName);
                        }
                        else
                        {
                            poCollection = new OGRGeometryCollection();
                            poCollection->addGeometryDirectly(poGeom);
                            poGeom = poCollection;
                        }
                    }
                    if (poCollection != NULL)
                    {
                        poCollection->addGeometryDirectly(poSubGeom);
                    }
                }
            }
            papszIter ++;
        }
    }

    if (bInvertAxisOrderIfLatLong)
    {
        char* pszSRSName = GML_ExtractSrsNameFromGeometry(papszGeometryList);
        if (GML_IsSRSLatLongOrder(pszSRSName ? pszSRSName : pszDefaultSRSName))
            poGeom->swapXY();
        CPLFree(pszSRSName);
    }
    
    return poGeom;
}