コード例 #1
0
OGRGeometry *OGRGeometryFactory::forceToPolygon( OGRGeometry *poGeom )

{
    if( poGeom == NULL )
        return NULL;

    if( wkbFlatten(poGeom->getGeometryType()) != wkbGeometryCollection
        || wkbFlatten(poGeom->getGeometryType()) != wkbMultiPolygon )
        return poGeom;

    // build an aggregated polygon from all the polygon rings in the container.
    OGRPolygon *poPolygon = new OGRPolygon();
    OGRGeometryCollection *poGC = (OGRGeometryCollection *) poGeom;
    int iGeom;

    for( iGeom = 0; iGeom < poGC->getNumGeometries(); iGeom++ )
    {
        if( wkbFlatten(poGC->getGeometryRef(iGeom)->getGeometryType()) 
            != wkbPolygon )
            continue;

        OGRPolygon *poOldPoly = (OGRPolygon *) poGC->getGeometryRef(iGeom);
        int   iRing;

        poPolygon->addRing( poOldPoly->getExteriorRing() );

        for( iRing = 0; iRing < poOldPoly->getNumInteriorRings(); iRing++ )
            poPolygon->addRing( poOldPoly->getInteriorRing( iRing ) );
    }
    
    delete poGC;

    return poPolygon;
}
コード例 #2
0
OGRGeometry *OGRPolygon::clone()

{
    OGRPolygon	*poNewPolygon;

    poNewPolygon = new OGRPolygon;
    poNewPolygon->assignSpatialReference( getSpatialReference() );

    for( int i = 0; i < nRingCount; i++ )
    {
        poNewPolygon->addRing( papoRings[i] );
    }

    return poNewPolygon;
}
コード例 #3
0
ファイル: ogrlayer.cpp プロジェクト: AsherBond/MondocosmOS
void OGRLayer::SetSpatialFilterRect( double dfMinX, double dfMinY, 
                                     double dfMaxX, double dfMaxY )

{
    OGRLinearRing  oRing;
    OGRPolygon oPoly;

    oRing.addPoint( dfMinX, dfMinY );
    oRing.addPoint( dfMinX, dfMaxY );
    oRing.addPoint( dfMaxX, dfMaxY );
    oRing.addPoint( dfMaxX, dfMinY );
    oRing.addPoint( dfMinX, dfMinY );

    oPoly.addRing( &oRing );

    SetSpatialFilter( &oPoly );
}
コード例 #4
0
//--------------------------------------------------------------
OGRPolygon
GeoData::MakeRect(double dfMinX, double dfMinY, 
				  double dfMaxX, double dfMaxY)
{
    OGRLinearRing oRing;
    OGRPolygon oPoly;
	
    oRing.addPoint(dfMinX, dfMinY);
    oRing.addPoint(dfMinX, dfMaxY);
    oRing.addPoint(dfMaxX, dfMaxY);
    oRing.addPoint(dfMaxX, dfMinY);
    oRing.addPoint(dfMinX, dfMinY);
	
    oPoly.addRing(&oRing);

	return oPoly;
}
コード例 #5
0
	std::unique_ptr<OGRPoint> centroid(const osmium::Way& way) {

		std::unique_ptr<OGRLineString> ogr_linestring = m_factory.create_linestring(way);

		OGRPolygon polygon;
		polygon.addRing(static_cast<OGRLinearRing*>(ogr_linestring.get()));

		std::unique_ptr<OGRPoint> centroid(new OGRPoint);
		int ret = polygon.Centroid(centroid.get());
		if (ret != OGRERR_NONE) {
			std::cerr << "Couldn't calculate centroid of way = " << way.id() << ".\n";
			osmium::geometry_error e(std::string("Couldn't calculate centroid of way = ") + std::to_string(way.id()) + std::string(".\n"));
			throw e;
			return nullptr;
		} else {
			return centroid;
		}

		return nullptr;
	}
コード例 #6
0
	void feed_way(const osmium::Way& way) {
		try {
			const char* building = way.tags().get_value_by_key("building");

			if (building && way.is_closed()) {
				std::unique_ptr<OGRLineString> ogr_linestring = m_factory.create_linestring(way);
				OGRFeature* feature = OGRFeature::CreateFeature(m_layer->GetLayerDefn());
				OGRPolygon polygon;
				polygon.addRing(static_cast<OGRLinearRing*>(ogr_linestring.get()));
				feature->SetGeometry(static_cast<OGRGeometry*>(&polygon));

				feature->SetField("way_id", static_cast<double>(way.id())); //TODO: node.id() is of type int64_t. is this ok?
				feature->SetField("lastchange", way.timestamp().to_iso().c_str());

				create_feature(feature);
			}

		} catch (osmium::geom::geometry_error& e) {
			catch_geometry_error(e, way);
		}
	}
コード例 #7
0
ファイル: MapExtruder.cpp プロジェクト: HEShuang/3DCityLoD
void MapExtruder::extrusion()
{
	_sides = new OGRMultiPolygon();

	int n = _map2d->getNumGeometries();
	for(int i=0;i<n;i++)
	{

		OGRLinearRing* ring = ((OGRPolygon*)_map2d->getGeometryRef(i))->getExteriorRing();
		ring->closeRings();
		int nPoints = ring->getNumPoints();


		for(int j=0;j<nPoints-1;j++)
		{
			
			OGRPolygon side;
			OGRLinearRing* ring_side = new OGRLinearRing();

			OGRPoint p1,p4;

			ring->getPoint(j,&p1);
			ring->getPoint(j+1,&p4);

			OGRPoint p2(p1.getX(),p1.getY(),_height);
			OGRPoint p3(p4.getX(),p4.getY(),_height);
			
			
	
			ring_side->addPoint(&p1);			
		    ring_side->addPoint(&p2);
			ring_side->addPoint(&p3);
			ring_side->addPoint(&p4);
			ring_side->addPoint(&p1);

			side.addRing(ring_side);
			_sides->addGeometry(&side);
		}
	}
}
コード例 #8
0
	void feed_way(const osmium::Way& way) {
		try {
			const char* building = way.tags().get_value_by_key("building");
			if (building && way.is_closed()) {
				const char* street   = way.tags().get_value_by_key("addr:street");
				const char* houseno  = way.tags().get_value_by_key("addr:housenumber");
				
				if (street || houseno) {
					std::unique_ptr<OGRLineString> ogr_linestring = m_factory.create_linestring(way);
					OGRFeature* feature = OGRFeature::CreateFeature(m_layer->GetLayerDefn());
					OGRPolygon polygon;
					polygon.addRing(static_cast<OGRLinearRing*>(ogr_linestring.get()));
					feature->SetGeometry(static_cast<OGRGeometry*>(&polygon));
					feature->SetField("way_id", static_cast<double>(way.id())); //TODO: node.id() is of type int64_t. is this ok?
					feature->SetField("lastchange", way.timestamp().to_iso().c_str());

					const char* postcode = way.tags().get_value_by_key("addr:postcode");
					const char* city     = way.tags().get_value_by_key("addr:city");
					const char* country  = way.tags().get_value_by_key("addr:country");
					const char* fulladdr = way.tags().get_value_by_key("addr:full");
					const char* place    = way.tags().get_value_by_key("addr:place");

					if (street)   { feature->SetField("street"  , street);   }
					if (houseno)  { feature->SetField("houseno" , houseno);  }
					if (postcode) { feature->SetField("postcode", postcode); }
					if (city)     { feature->SetField("city",     city);     }
					if (country)  { feature->SetField("country",  country);  }
					if (fulladdr) { feature->SetField("fulladdr", fulladdr); }
					if (place)    { feature->SetField("place",    place);    }

					create_feature(feature);

				}
			}
		}
		catch (osmium::geometry_error& e) {
			catch_geometry_error(e, way);
		}
	}
コード例 #9
0
ファイル: ogrhtflayer.cpp プロジェクト: AsherBond/MondocosmOS
OGRFeature *OGRHTFPolygonLayer::GetNextRawFeature()
{
    OGRFeature* poFeature = new OGRFeature(poFeatureDefn);

    const char* pszLine;

    OGRLinearRing oLR;
    int bHastFirstCoord = FALSE;
    double dfFirstEasting = 0, dfFirstNorthing = 0;
    double dfIslandEasting = 0, dfIslandNorthing = 0;
    int bInIsland = FALSE;
    OGRPolygon* poPoly = new OGRPolygon();

    while( (pszLine = CPLReadLine2L(fpHTF, 1024, NULL)) != NULL)
    {
        if (pszLine[0] == ';')
        {
            /* comment */ ;
        }
        else if (pszLine[0] == 0)
        {
            /* end of polygon is marked by a blank line */
            break;
        }
        else if (strncmp(pszLine, "POLYGON DESCRIPTION: ",
                         strlen("POLYGON DESCRIPTION: ")) == 0)
        {
            poFeature->SetField(0, pszLine + strlen("POLYGON DESCRIPTION: "));
        }
        else if (strncmp(pszLine, "POLYGON IDENTIFIER: ",
                         strlen("POLYGON IDENTIFIER: ")) == 0)
        {
            poFeature->SetField(1, pszLine + strlen("POLYGON IDENTIFIER: "));
        }
        else if (strncmp(pszLine, "SEAFLOOR COVERAGE: ",
                         strlen("SEAFLOOR COVERAGE:")) == 0)
        {
            const char* pszVal = pszLine + strlen("SEAFLOOR COVERAGE: ");
            if (*pszVal != '*')
                poFeature->SetField(2, pszVal);
        }
        else if (strncmp(pszLine, "POSITION ACCURACY: ",
                         strlen("POSITION ACCURACY:")) == 0)
        {
            const char* pszVal = pszLine + strlen("POSITION ACCURACY: ");
            if (*pszVal != '*')
                poFeature->SetField(3, pszVal);
        }
        else if (strncmp(pszLine, "DEPTH ACCURACY: ",
                         strlen("DEPTH ACCURACY:")) == 0)
        {
            const char* pszVal = pszLine + strlen("DEPTH ACCURACY: ");
            if (*pszVal != '*')
                poFeature->SetField(4, pszVal);
        }
        else if (strcmp(pszLine, "END OF POLYGON DATA") == 0)
        {
            bEOF = TRUE;
            break;
        }
        else
        {
            char** papszTokens = CSLTokenizeString(pszLine);
            if (CSLCount(papszTokens) == 4)
            {
                double dfEasting = atof(papszTokens[2]);
                double dfNorthing = atof(papszTokens[3]);
                if (!bHastFirstCoord)
                {
                    bHastFirstCoord = TRUE;
                    dfFirstEasting = dfEasting;
                    dfFirstNorthing = dfNorthing;
                    oLR.addPoint(dfEasting, dfNorthing);
                }
                else if (dfFirstEasting == dfEasting &&
                         dfFirstNorthing == dfNorthing)
                {
                    if (!bInIsland)
                    {
                        oLR.addPoint(dfEasting, dfNorthing);
                        poPoly->addRing(&oLR);
                        oLR.empty();
                        bInIsland = TRUE;
                    }
                }
                else if (bInIsland && oLR.getNumPoints() == 0)
                {
                    dfIslandEasting = dfEasting;
                    dfIslandNorthing = dfNorthing;
                    oLR.addPoint(dfEasting, dfNorthing);
                }
                else if (bInIsland && dfIslandEasting == dfEasting &&
                         dfIslandNorthing == dfNorthing)
                {
                    oLR.addPoint(dfEasting, dfNorthing);
                    poPoly->addRing(&oLR);
                    oLR.empty();
                }
                else
                {
                    oLR.addPoint(dfEasting, dfNorthing);
                }
            }
            CSLDestroy(papszTokens);
        }
    }

    if (pszLine == NULL)
        bEOF = TRUE;

    if (oLR.getNumPoints() >= 3)
    {
        oLR.closeRings();
        poPoly->addRing(&oLR);
    }
    poPoly->assignSpatialReference(poSRS);
    poFeature->SetGeometryDirectly(poPoly);
    poFeature->SetFID(nNextFID++);

    return poFeature;
}
コード例 #10
0
ファイル: vfkdatablock.cpp プロジェクト: sylvainallard/gdal
/*!
  \brief Load geometry (polygon BUD/PAR layers)

  \return number of invalid features
*/
int VFKDataBlock::LoadGeometryPolygon()
{
    long nInvalid;
    bool bIsPar, bNewRing, bFound;
        
    GUIntBig id, idOb;
    int  nCount, nCountMax;
    int idxId, idxPar1, idxPar2, idxBud, idxOb, idxIdOb;
    
    VFKFeature   *poFeature;
    VFKDataBlock *poDataBlockLines1, *poDataBlockLines2;
    
    VFKFeatureList   poLineList;
    PointListArray   poRingList; /* first is to be considered as exterior */
    
    OGRLinearRing ogrRing;
    OGRPolygon    ogrPolygon;
    
    idxPar1 = idxPar2 = idxBud = idxOb = idxIdOb = 0;
    nInvalid = 0;
    if (EQUAL (m_pszName, "PAR")) {
        poDataBlockLines1 = (VFKDataBlock *) m_poReader->GetDataBlock("HP");
        poDataBlockLines2 = poDataBlockLines1;
        bIsPar = TRUE;
    }
    else {
        poDataBlockLines1 = (VFKDataBlock *) m_poReader->GetDataBlock("OB");
        poDataBlockLines2 = (VFKDataBlock *) m_poReader->GetDataBlock("SBP");
        bIsPar = FALSE;
    }
    if (NULL == poDataBlockLines1 || NULL == poDataBlockLines2) {
        CPLError(CE_Failure, CPLE_NotSupported, 
                 "Data block %s not found.\n", m_pszName);
        return nInvalid;
    }
    
    poDataBlockLines1->LoadGeometry();
    poDataBlockLines2->LoadGeometry();
    idxId = GetPropertyIndex("ID");
    if (idxId < 0) {
        CPLError(CE_Failure, CPLE_NotSupported, 
                 "Corrupted data (%s).\n", m_pszName);
        return nInvalid;
    }
    
    if (bIsPar) {
        idxPar1 = poDataBlockLines1->GetPropertyIndex("PAR_ID_1");
        idxPar2 = poDataBlockLines1->GetPropertyIndex("PAR_ID_2");
        if (idxPar1 < 0 || idxPar2 < 0) {
            CPLError(CE_Failure, CPLE_NotSupported, 
                     "Corrupted data (%s).\n", m_pszName);
            return nInvalid;
        }
    }
    else { /* BUD */
        idxIdOb  = poDataBlockLines1->GetPropertyIndex("ID");
        idxBud = poDataBlockLines1->GetPropertyIndex("BUD_ID");
        idxOb  = poDataBlockLines2->GetPropertyIndex("OB_ID");
        if (idxIdOb < 0 || idxBud < 0 || idxOb < 0) {
            CPLError(CE_Failure, CPLE_NotSupported, 
                     "Corrupted data (%s).\n", m_pszName);
            return nInvalid;
        }
    }
    
    for (int i = 0; i < ((IVFKDataBlock *) this)->GetFeatureCount(); i++) {
        poFeature = (VFKFeature *) GetFeatureByIndex(i);
        id = strtoul(poFeature->GetProperty(idxId)->GetValueS(), NULL, 0);
        if (bIsPar) {
            poLineList = poDataBlockLines1->GetFeatures(idxPar1, idxPar2, id);
        }
        else {
            VFKFeature *poLineOb, *poLineSbp;
            std::vector<VFKFeature *> poLineListOb;
            poLineListOb = poDataBlockLines1->GetFeatures(idxBud, id);
            for (std::vector<VFKFeature *>::const_iterator iOb = poLineListOb.begin(), eOb = poLineListOb.end();
                 iOb != eOb; ++iOb) {
                poLineOb = (*iOb);
                idOb = strtoul(poLineOb->GetProperty(idxIdOb)->GetValueS(), NULL, 0);
                poLineSbp = poDataBlockLines2->GetFeature(idxOb, idOb);
                if (poLineSbp)
                    poLineList.push_back(poLineSbp);
            }
        }
        if (poLineList.size() < 1)
            continue;
        
        /* clear */
        ogrPolygon.empty();
        poRingList.clear();
        
        /* collect rings (points) */
        bFound = FALSE;
        nCount = 0;
        nCountMax = poLineList.size() * 2;
        while (poLineList.size() > 0 && nCount < nCountMax) {
            bNewRing = !bFound ? TRUE : FALSE;
            bFound = FALSE;
            for (VFKFeatureList::iterator iHp = poLineList.begin(), eHp = poLineList.end();
                 iHp != eHp; ++iHp) {
                const OGRLineString *pLine = (OGRLineString *) (*iHp)->GetGeometry();
                if (pLine && AppendLineToRing(&poRingList, pLine, bNewRing)) {
                    bFound = TRUE;
                    poLineList.erase(iHp);
                    break;
                }
            }
            nCount++;
        }
        /* create rings */
        for (PointListArray::const_iterator iRing = poRingList.begin(), eRing = poRingList.end();
             iRing != eRing; ++iRing) {
            PointList *poList = *iRing;
            ogrRing.empty();
            for (PointList::iterator iPoint = poList->begin(), ePoint = poList->end();
                 iPoint != ePoint; ++iPoint) {
                ogrRing.addPoint(&(*iPoint));
            }
            ogrPolygon.addRing(&ogrRing);
        }
        /* set polygon */
        ogrPolygon.setCoordinateDimension(2); /* force 2D */
        if (!poFeature->SetGeometry(&ogrPolygon))
            nInvalid++;
    }
    
    /* free ring list */
    for (PointListArray::iterator iRing = poRingList.begin(),
             eRing = poRingList.end(); iRing != eRing; ++iRing) {
        delete (*iRing);
        *iRing = NULL;
    }
    poDataBlockLines1->ResetReading();
    poDataBlockLines2->ResetReading();

    return nInvalid;
}
コード例 #11
0
ファイル: ogr_driver.cpp プロジェクト: am2222/SAGA-GIS
//---------------------------------------------------------
bool COGR_DataSource::_Write_Geometry(CSG_Shape *pShape, OGRFeature *pFeature)
{
	if( pShape && pFeature )
	{
		int					iPoint, iPart;
		TSG_Point			sgPoint;
		OGRPoint			Point;
		OGRMultiPoint		Points;
		OGRLineString		Line;
		OGRMultiLineString	Lines;
		OGRLinearRing		Ring;
		OGRPolygon			Polygon;

		switch( pShape->Get_Type() )
		{
		//-------------------------------------------------
		case SHAPE_TYPE_Point:
			sgPoint	= pShape->Get_Point(0);
			Point.setX(sgPoint.x);
			Point.setY(sgPoint.y);

			return( pFeature->SetGeometry(&Point) == OGRERR_NONE );

		//-------------------------------------------------
		case SHAPE_TYPE_Points:
			for(iPart=0; iPart<pShape->Get_Part_Count(); iPart++)
			{
				for(iPoint=0; iPoint<pShape->Get_Point_Count(iPart); iPoint++)
				{
					sgPoint	= pShape->Get_Point(iPoint, iPart);
					Point.setX(sgPoint.x);
					Point.setY(sgPoint.y);

					Points.addGeometry(&Point);
				}
			}

			return( pFeature->SetGeometry(&Points) == OGRERR_NONE );

		//-------------------------------------------------
		case SHAPE_TYPE_Line:
			if( pShape->Get_Part_Count() == 1 )
			{
				_Write_Line(pShape, &Line, 0);

				return( pFeature->SetGeometry(&Line) == OGRERR_NONE );
			}
			else
			{
				for(iPart=0; iPart<pShape->Get_Part_Count(); iPart++)
				{
					if( _Write_Line(pShape, &Line, iPart) )
					{
						Lines.addGeometry(&Line);
					}
				}

				return( pFeature->SetGeometry(&Lines) == OGRERR_NONE );
			}

		//-------------------------------------------------
		case SHAPE_TYPE_Polygon:
			for(iPart=0; iPart<pShape->Get_Part_Count(); iPart++)
			{
				if( _Write_Line(pShape, &Ring, iPart) )
				{
					Polygon.addRing(&Ring);
				}
			}

			return( pFeature->SetGeometry(&Polygon) == OGRERR_NONE );

		//-------------------------------------------------
		default:
			break;
		}
	}

	return( false );
}
コード例 #12
0
ファイル: GShapefile.cpp プロジェクト: gnishida/GDALTest
	bool Shape::save(const std::string& filename) {
		if (shapeType == -1) {
			std::cout << "Shape type is not set." << std::endl;
			return false;
		}

		if (shapeObjects.size() == 0) {
			std::cout << "No shape exists." << std::endl;
			return false;
		}

		const char *pszDriverName = "ESRI Shapefile";
		GDALDriver *poDriver;
		GDALAllRegister();

		poDriver = GetGDALDriverManager()->GetDriverByName(pszDriverName);
		if (poDriver == NULL) {
			printf("%s driver not available.\n", pszDriverName);
			return false;
		}

		GDALDataset *poDS;
		poDS = poDriver->Create(filename.c_str(), 0, 0, 0, GDT_Unknown, NULL);
		if (poDS == NULL) {
			printf("Creation of output file failed.\n");
			return false;
		}

		OGRLayer *poLayer;
		if (shapeType == wkbPoint) {
			poLayer = poDS->CreateLayer("point_out", NULL, wkbPoint, NULL);
		}
		else if (shapeType == wkbLineString) {
			poLayer = poDS->CreateLayer("point_out", NULL, wkbLineString, NULL);
		}
		else if (shapeType == wkbPolygon) {
			poLayer = poDS->CreateLayer("point_out", NULL, wkbPolygon, NULL);
		}
		if (poLayer == NULL) {
			printf("Layer creation failed.\n");
			return false;
		}

		for (auto it = shapeObjects[0].attributes.begin(); it != shapeObjects[0].attributes.end(); ++it) {
			OGRFieldDefn oField(it->first.c_str(), static_cast<OGRFieldType>(it->second.type));
			if (it->second.type == OFTString) {
				oField.SetWidth(it->second.stringValue().size());
			}
			if (poLayer->CreateField(&oField) != OGRERR_NONE) {
				printf("Creating Name field failed.\n");
				return false;
			}
		}
				
		for (int i = 0; i < shapeObjects.size(); ++i) {
			if (shapeObjects[i].parts.size() == 0) continue;
			
			OGRFeature *poFeature;
			poFeature = OGRFeature::CreateFeature(poLayer->GetLayerDefn());

			// 属性をセット
			for (auto it = shapeObjects[i].attributes.begin(); it != shapeObjects[i].attributes.end(); ++it) {
				poFeature->SetField(it->first.c_str(), it->second.stringValue().c_str());
			}

			// ジオメトリ情報をセット
			if (shapeType == wkbPoint) {
				OGRPoint point;
				point.setX(shapeObjects[i].parts[0].points[0].x);
				point.setY(shapeObjects[i].parts[0].points[0].y);
				point.setZ(shapeObjects[i].parts[0].points[0].z);
				poFeature->SetGeometry(&point);
			}
			else if (shapeType == wkbLineString) {
				OGRLineString lineString;
				for (int k = 0; k < shapeObjects[i].parts[0].points.size(); ++k) {
					lineString.addPoint(shapeObjects[i].parts[0].points[k].x, shapeObjects[i].parts[0].points[k].y, shapeObjects[i].parts[0].points[k].z);
				}
				poFeature->SetGeometry(&lineString);
			}
			else if (shapeType == wkbPolygon) {
				OGRPolygon polygon;
				for (int j = 0; j < shapeObjects[i].parts.size(); ++j) {
					OGRLinearRing linearRing;
					for (int k = 0; k < shapeObjects[i].parts[j].points.size(); ++k) {
						linearRing.addPoint(shapeObjects[i].parts[j].points[k].x, shapeObjects[i].parts[j].points[k].y, shapeObjects[i].parts[j].points[k].z);
					}
					polygon.addRing(&linearRing);
				}
				poFeature->SetGeometry(&polygon);
			}
			
			if (poLayer->CreateFeature(poFeature) != OGRERR_NONE) {
				printf("Failed to create feature in shapefile.\n");
				return false;
			}
			OGRFeature::DestroyFeature(poFeature);
		}

		GDALClose(poDS);

		return true;
	}
コード例 #13
0
ファイル: Building.cpp プロジェクト: HEShuang/BuildUP
OGRMultiPolygon* Building::extrude_box() const
{
    OGRMultiPolygon* block = new OGRMultiPolygon;

    //extrude roof
    OGRPolygon roof;
    {
        roof.addRing(_footprint->getExteriorRing());
        OGRLinearRing* ring = roof.getExteriorRing();
        for(int i=0; i<ring->getNumPoints(); i++)
            ring->setPoint(i,ring->getX(i),ring->getY(i),_height);
    }

    if(int n = _footprint->getNumInteriorRings())
    {
        for (int j=0; j<n; j++)
        {
            roof.addRing(_footprint->getInteriorRing(j));
            OGRLinearRing* ring = roof.getInteriorRing(j);
            for(int i=0; i<ring->getNumPoints(); i++)
                ring->setPoint(i,ring->getX(i),ring->getY(i),_height);
        }
    }

    block->addGeometry(&roof);

    //extrude exter walls
    OGRLinearRing* ringEx = _footprint->getExteriorRing();
    for(int i=0; i<ringEx->getNumPoints()-1; i++)
    {
        OGRPolygon wall;
        OGRLinearRing ring;
        ring.addPoint(ringEx->getX(i),ringEx->getY(i),0);
        ring.addPoint(ringEx->getX(i+1),ringEx->getY(i+1),0);
        ring.addPoint(ringEx->getX(i+1),ringEx->getY(i+1),_height);
        ring.addPoint(ringEx->getX(i),ringEx->getY(i),_height);
        ring.addPoint(ringEx->getX(i),ringEx->getY(i),0);
        wall.addRing(&ring);
        block->addGeometry(&wall);
    }

    //extrude inner walls if exist
    if(int n = _footprint->getNumInteriorRings())
    {
        for (int i=0; i<n; i++)
        {
            OGRLinearRing* ringIn = _footprint->getInteriorRing(i);
            for(int j=0; j<ringIn->getNumPoints()-1; j++)
            {
                OGRPolygon wall;
                OGRLinearRing ring;
                ring.addPoint(ringIn->getX(j),ringIn->getY(j),0);
                ring.addPoint(ringIn->getX(j+1),ringIn->getY(j+1),0);
                ring.addPoint(ringIn->getX(j+1),ringIn->getY(j+1),_height);
                ring.addPoint(ringIn->getX(j),ringIn->getY(j),_height);
                ring.addPoint(ringIn->getX(j),ringIn->getY(j),0);
                wall.addRing(&ring);
                block->addGeometry(&wall);
            }
        }
    }


    return block;

}
コード例 #14
0
void CDlg_GISDataExchange::ExportToGISFile(LPCTSTR lpszCSVFileName,LPCTSTR lpszShapeFileName, CString GISTypeString )
{

#ifndef _WIN64

	m_MessageList.ResetContent ();

	CWaitCursor wait;
	CCSVParser parser;
	int i= 0;


	// open csv file
	if (parser.OpenCSVFile(lpszCSVFileName))
	{

		CString message_str;

		OGRSFDriver *poDriver;

		OGRRegisterAll();

		poDriver = OGRSFDriverRegistrar::GetRegistrar()->GetDriverByName(GISTypeString );
		if( poDriver == NULL )
		{
			message_str.Format ( "%s driver not available.", GISTypeString );
			m_MessageList.AddString (message_str);
			return;
		}

		OGRDataSource *poDS;

		poDS = poDriver->CreateDataSource(lpszShapeFileName, NULL );
		if( poDS == NULL )
		{
			message_str.Format ( "Creation of GIS output file %s failed.\nPlease do not overwrite the exiting file and please select a new file name.", 
				lpszShapeFileName );
			m_MessageList.AddString (message_str);
			return;
		}

		///// export to link layer

		// link layer 

		OGRLayer *poLayer;
		poLayer = poDS->CreateLayer( "link", NULL, wkbLineString, NULL );
		if( poLayer == NULL )
		{
			m_MessageList.AddString ("link Layer creation failed");
			return;
		}



		vector<string> HeaderVector = parser.GetHeaderVector();

		std::vector <CString> LongFieldVector;
		for(unsigned int i = 0; i < HeaderVector.size(); i++)
		{
			if(HeaderVector[i].find ("geometry") !=  string::npos||  HeaderVector[i].find ("name") !=  string::npos || HeaderVector[i].find ("code") !=  string::npos)
			{
				OGRFieldDefn oField (HeaderVector[i].c_str (), OFTString);

				CString str;  
				if( poLayer->CreateField( &oField ) != OGRERR_NONE ) 
				{ 
					str.Format("Creating field %s failed", oField.GetNameRef()); 

					m_MessageList.AddString (str);
					return; 

				}
			}else
			{
				CString field_string  = HeaderVector[i].c_str ();

				OGRFieldDefn oField (field_string, OFTReal);

				CString str;  
				if( poLayer->CreateField( &oField ) != OGRERR_NONE ) 
				{ 
					str.Format("Creating field %s failed", oField.GetNameRef()); 

					m_MessageList.AddString (str);
					return; 
				}

			}

			if(HeaderVector[i].size()>=11)
			{
				LongFieldVector.push_back (HeaderVector[i].c_str ());
			}

		}

		message_str.Format ("%d fields have been created.",HeaderVector.size());
		m_MessageList.AddString (message_str);

		if(LongFieldVector.size() >=1)
		{
			message_str.Format("Warning: Arc GIS file only supports field names with not more than 10 characters.\nThe following fields have long field names. "); 
			m_MessageList.AddString (message_str);
			for(unsigned l = 0; l< LongFieldVector.size(); l++)
			{
				message_str.Format ("%s",LongFieldVector[l]);
				m_MessageList.AddString (message_str);


			}
		}

		int count = 0 ;
		while(parser.ReadRecord())
		{
			//create feature
			OGRFeature *poFeature;
			poFeature = OGRFeature::CreateFeature( poLayer->GetLayerDefn() );

			//step 1: write all fields except geometry
			for(unsigned int i = 0; i < HeaderVector.size(); i++)
			{
				if(HeaderVector[i]!="geometry")
				{
					if(HeaderVector[i].find ("name") !=  string::npos || HeaderVector[i].find ("code") !=  string::npos)
					{

						std::string str_value;

						parser.GetValueByFieldName(HeaderVector[i],str_value);

						//							TRACE("field: %s, value = %s\n",HeaderVector[i].c_str (),str_value.c_str ());
						poFeature->SetField(i,str_value.c_str ());
					}else
					{
						double value = 0;

						parser.GetValueByFieldName(HeaderVector[i],value);

						//							TRACE("field: %s, value = %f\n",HeaderVector[i].c_str (),value);

						CString field_name = HeaderVector[i].c_str ();
						poFeature->SetField(i,value);



					}

				}
			}

			string geo_string;
			std::vector<CCoordinate> CoordinateVector;
			if(parser.GetValueByFieldName("geometry",geo_string))
			{
				// overwrite when the field "geometry" exists
				CGeometry geometry(geo_string);
				CoordinateVector = geometry.GetCoordinateList();

				if( m_GIS_data_type == GIS_Point_Type && CoordinateVector.size ()==1)
				{
					OGRPoint pt;
					pt.setX( CoordinateVector[0].X );
					pt.setY( CoordinateVector[0].Y);
					poFeature->SetGeometry( &pt ); 

				}



				if( m_GIS_data_type == GIS_Line_Type)
				{


					OGRLineString line;
					for(unsigned int si = 0; si< CoordinateVector.size(); si++)
					{
						line.addPoint (CoordinateVector[si].X , CoordinateVector[si].Y);
					}

					poFeature->SetGeometry( &line ); 
				}


				if( m_GIS_data_type == GIS_Polygon_Type)
				{

					OGRPolygon polygon;
					OGRLinearRing  ring;

					for(unsigned int si = 0; si<  CoordinateVector.size(); si++)
					{
						ring.addPoint (CoordinateVector[si].X , CoordinateVector[si].Y,1);
					}

					polygon.addRing(&ring);

					poFeature->SetGeometry( &polygon ); 

				}


			} else
			{ // no geometry field


				/// create geometry data from m_GIS_data_type == GIS_Point_Type

				if( m_GIS_data_type == GIS_Point_Type )
				{

					double x, y;
					if(parser.GetValueByFieldName("x",x) && parser.GetValueByFieldName("y",y) )
					{
						OGRPoint pt;
						pt.setX( CoordinateVector[0].X );
						pt.setY( CoordinateVector[0].Y);
						poFeature->SetGeometry( &pt ); 

					}else
					{
						AfxMessageBox("Pleaes prepare fields x and y in the csv file in order to create a node GIS layer.", MB_ICONINFORMATION);
						return;

					}

				}

				///create geometry

				if( m_GIS_data_type == GIS_Line_Type)
				{

					int number_of_shape_points = 0;
					if(parser.GetValueByFieldName("number_of_shape_points", number_of_shape_points))
					{

						if(number_of_shape_points>=2)
						{

							OGRLineString line;

							for(int s= 1; s<= number_of_shape_points; s++)
							{
								CString str_x, str_y;
								str_x.Format ("x%d",s);
								str_y.Format ("y%d",s);
								double x = 0;
								double y = 0;

								string string_x, string_y;
								string_x  = m_pDoc->CString2StdString (str_x);
								string_y  = m_pDoc->CString2StdString (str_y);

								if(parser.GetValueByFieldName(string_x, x) && parser.GetValueByFieldName(string_y, y))
								{
									line.addPoint(x,y);
								}else
								{
									AfxMessageBox("Pleaes prepare fields x1,y1,x2,y2,...,xn,yn in the csv file in order to create a link GIS layer.", MB_ICONINFORMATION);

									return; 
								}


							}
							poFeature->SetGeometry( &line ); 

						}

					}else
					{ 
						AfxMessageBox("Pleaes prepare fields number_of_shape_points, x1,y1,x2,y2,...,xn,yn in the csv file in order to create a link GIS layer.", MB_ICONINFORMATION);
						return;
					}


				}

				// 


				if( m_GIS_data_type == GIS_Polygon_Type)
				{

					OGRPolygon polygon;
					OGRLinearRing  ring;

					int number_of_shape_points = 0;
					if(parser.GetValueByFieldName("number_of_shape_points", number_of_shape_points))
					{

						if(number_of_shape_points>=2)
						{

							OGRLineString line;

							for(int s= 0; s< number_of_shape_points; s++)
							{
								CString str_x, str_y;
								str_x.Format ("x%d",str_x);
								str_y.Format ("y%d",str_y);
								double x = 0;
								double y = 0;

								string string_x, string_y;
								string_x  = m_pDoc->CString2StdString (str_x);
								string_y  = m_pDoc->CString2StdString (str_y);

								if(parser.GetValueByFieldName(string_x, x) && parser.GetValueByFieldName(string_y, y))
								{
									ring.addPoint (x,y,1);
								}else
								{
									AfxMessageBox("Pleaes prepare fields x1,y1,x2,y2,...,xn,yn in the csv file in order to create a zone GIS layer.", MB_ICONINFORMATION);

									return; 
								}

							}
							polygon.addRing(&ring);

							poFeature->SetGeometry( &polygon ); 

						}


					}


				}

			}


			if( poLayer->CreateFeature( poFeature ) != OGRERR_NONE )
			{
				AfxMessageBox("Failed to create line feature in shapefile.\n");
				return;

			}  

			OGRFeature::DestroyFeature( poFeature );

			count++;
		}

		message_str.Format ("%d records have been created.",count);
		m_MessageList.AddString (message_str);


		OGRDataSource::DestroyDataSource( poDS );

		CString ShapeFile = lpszShapeFileName;
		CString ShapeFileFolder = ShapeFile.Left(ShapeFile.ReverseFind('\\') + 1);

		ShellExecute( NULL,  "explore", ShapeFileFolder, NULL,  NULL, SW_SHOWNORMAL );

	}
#endif

}
コード例 #15
0
OGRFeature *OGROpenAirLayer::GetNextRawFeature()
{
    const char* pszLine;
    CPLString osCLASS, osNAME, osFLOOR, osCEILING;
    OGRLinearRing oLR;
    /* double dfLastLat = 0, dfLastLon = 0; */
    int bFirst = TRUE;
    int bClockWise = TRUE;
    double dfCenterLat = 0, dfCenterLon = 0;
    int bHasCenter = FALSE;
    OpenAirStyle sStyle;
    sStyle.penStyle = -1;
    sStyle.penWidth = -1;
    sStyle.penR = sStyle.penG = sStyle.penB = -1;
    sStyle.fillR = sStyle.fillG = sStyle.fillB = -1;

    if (bEOF)
        return NULL;

    while(TRUE)
    {
        if (bFirst && bHasLastLine)
        {
            pszLine = osLastLine.c_str();
            bFirst = FALSE;
        }
        else
        {
            pszLine = CPLReadLine2L(fpOpenAir, 1024, NULL);
            if (pszLine == NULL)
            {
                bEOF = TRUE;
                if (oLR.getNumPoints() == 0)
                    return NULL;

                if (osCLASS.size() != 0 &&
                    oStyleMap.find(osCLASS) != oStyleMap.end())
                {
                    memcpy(&sStyle, oStyleMap[osCLASS], sizeof(sStyle));
                }
                break;
            }
            osLastLine = pszLine;
            bHasLastLine = TRUE;
        }

        if (pszLine[0] == '*' || pszLine[0] == '\0')
            continue;

        if (EQUALN(pszLine, "AC ", 3) || EQUALN(pszLine, "AC,", 3))
        {
            if (osCLASS.size() != 0)
            {
                if (sStyle.penStyle != -1 || sStyle.fillR != -1)
                {
                    if (oLR.getNumPoints() == 0)
                    {
                        OpenAirStyle* psStyle;
                        if (oStyleMap.find(osCLASS) == oStyleMap.end())
                        {
                            psStyle = (OpenAirStyle*)CPLMalloc(
                                                    sizeof(OpenAirStyle));
                            oStyleMap[osCLASS] = psStyle;
                        }
                        else
                            psStyle = oStyleMap[osCLASS];
                        memcpy(psStyle, &sStyle, sizeof(sStyle));
                    }
                    else
                        break;
                }
                else if (oStyleMap.find(osCLASS) != oStyleMap.end())
                {
                    memcpy(&sStyle, oStyleMap[osCLASS], sizeof(sStyle));
                    break;
                }
                else
                    break;
            }
            sStyle.penStyle = -1;
            sStyle.penWidth = -1;
            sStyle.penR = sStyle.penG = sStyle.penB = -1;
            sStyle.fillR = sStyle.fillG = sStyle.fillB = -1;
            osCLASS = pszLine + 3;
            bClockWise = TRUE;
            bHasCenter = FALSE;
        }
        else if (EQUALN(pszLine, "AN ", 3))
        {
            if (osNAME.size() != 0)
                break;
            osNAME = pszLine + 3;
        }
        else if (EQUALN(pszLine, "AH ", 3))
            osCEILING = pszLine + 3;
        else if (EQUALN(pszLine, "AL ", 3))
            osFLOOR = pszLine + 3;
        else if (EQUALN(pszLine, "AT ", 3))
        {
            /* Ignored for that layer*/
        }
        else if (EQUALN(pszLine, "SP ", 3))
        {
            if (osCLASS.size() != 0)
            {
                char** papszTokens = CSLTokenizeString2(pszLine+3, ", ", 0);
                if (CSLCount(papszTokens) == 5)
                {
                    sStyle.penStyle = atoi(papszTokens[0]);
                    sStyle.penWidth = atoi(papszTokens[1]);
                    sStyle.penR = atoi(papszTokens[2]);
                    sStyle.penG = atoi(papszTokens[3]);
                    sStyle.penB = atoi(papszTokens[4]);
                }
                CSLDestroy(papszTokens);
            }
        }
        else if (EQUALN(pszLine, "SB ", 3))
        {
            if (osCLASS.size() != 0)
            {
                char** papszTokens = CSLTokenizeString2(pszLine+3, ", ", 0);
                if (CSLCount(papszTokens) == 3)
                {
                    sStyle.fillR = atoi(papszTokens[0]);
                    sStyle.fillG = atoi(papszTokens[1]);
                    sStyle.fillB = atoi(papszTokens[2]);
                }
                CSLDestroy(papszTokens);
            }
        }
        else if (EQUALN(pszLine, "DP ", 3))
        {
            pszLine += 3;

            double dfLat, dfLon;
            if (!OGROpenAirGetLatLon(pszLine, dfLat, dfLon))
                continue;

            oLR.addPoint(dfLon, dfLat);
            /* dfLastLat = dfLat; */
            /* dfLastLon = dfLon; */
        }
        else if (EQUALN(pszLine, "DA ", 3))
        {
            pszLine += 3;

            char* pszStar = strchr((char*)pszLine, '*');
            if (pszStar) *pszStar = 0;
            char** papszTokens = CSLTokenizeString2(pszLine, ",", 0);
            if (bHasCenter && CSLCount(papszTokens) == 3)
            {
                double dfRadius = CPLAtof(papszTokens[0]) * 1852;
                double dfStartAngle = CPLAtof(papszTokens[1]);
                double dfEndAngle = CPLAtof(papszTokens[2]);

                if (bClockWise && dfEndAngle < dfStartAngle)
                    dfEndAngle += 360;
                else if (!bClockWise && dfStartAngle < dfEndAngle)
                    dfEndAngle -= 360;

                double dfStartDistance = dfRadius;
                double dfEndDistance = dfRadius;
                int nSign = (bClockWise) ? 1 : -1;
                double dfAngle;
                double dfLat, dfLon;
                for(dfAngle = dfStartAngle;
                    (dfAngle - dfEndAngle) * nSign < 0;
                    dfAngle += nSign)
                {
                    double pct = (dfAngle - dfStartAngle) /
                                    (dfEndAngle - dfStartAngle);
                    double dfDist = dfStartDistance * (1-pct) +
                                                        dfEndDistance * pct;
                    OGRXPlane_ExtendPosition(dfCenterLat, dfCenterLon,
                                             dfDist, dfAngle, &dfLat, &dfLon);
                    oLR.addPoint(dfLon, dfLat);
                }
                OGRXPlane_ExtendPosition(dfCenterLat, dfCenterLon,
                                         dfEndDistance, dfEndAngle, &dfLat, &dfLon);
                oLR.addPoint(dfLon, dfLat);

                /* dfLastLat = oLR.getY(oLR.getNumPoints() - 1); */
                /* dfLastLon = oLR.getX(oLR.getNumPoints() - 1); */
            }
            CSLDestroy(papszTokens);
        }
        else if (EQUALN(pszLine, "DB ", 3))
        {
            pszLine += 3;

            char* pszStar = strchr((char*)pszLine, '*');
            if (pszStar) *pszStar = 0;
            char** papszTokens = CSLTokenizeString2(pszLine, ",", 0);
            double dfFirstLat, dfFirstLon;
            double dfSecondLat, dfSecondLon;
            if (bHasCenter && CSLCount(papszTokens) == 2 &&
                OGROpenAirGetLatLon(papszTokens[0], dfFirstLat, dfFirstLon) &&
                OGROpenAirGetLatLon(papszTokens[1], dfSecondLat, dfSecondLon))
            {
                double dfStartDistance =OGRXPlane_Distance(dfCenterLat,
                        dfCenterLon, dfFirstLat, dfFirstLon);
                double dfEndDistance = OGRXPlane_Distance(dfCenterLat,
                        dfCenterLon, dfSecondLat, dfSecondLon);
                double dfStartAngle = OGRXPlane_Track(dfCenterLat,
                        dfCenterLon, dfFirstLat, dfFirstLon);
                double dfEndAngle = OGRXPlane_Track(dfCenterLat,
                        dfCenterLon, dfSecondLat, dfSecondLon);

                if (bClockWise && dfEndAngle < dfStartAngle)
                    dfEndAngle += 360;
                else if (!bClockWise && dfStartAngle < dfEndAngle)
                    dfEndAngle -= 360;

                int nSign = (bClockWise) ? 1 : -1;
                double dfAngle;
                for(dfAngle = dfStartAngle;
                    (dfAngle - dfEndAngle) * nSign < 0;
                    dfAngle += nSign)
                {
                    double dfLat, dfLon;
                    double pct = (dfAngle - dfStartAngle) /
                                    (dfEndAngle - dfStartAngle);
                    double dfDist = dfStartDistance * (1-pct) +
                                                    dfEndDistance * pct;
                    OGRXPlane_ExtendPosition(dfCenterLat, dfCenterLon,
                                             dfDist, dfAngle, &dfLat, &dfLon);
                    oLR.addPoint(dfLon, dfLat);
                }
                oLR.addPoint(dfSecondLon, dfSecondLat);

                /* dfLastLat = oLR.getY(oLR.getNumPoints() - 1); */
                /* dfLastLon = oLR.getX(oLR.getNumPoints() - 1); */
            }
            CSLDestroy(papszTokens);
        }
        else if ((EQUALN(pszLine, "DC ", 3) || EQUALN(pszLine, "DC=", 3)) &&
                 (bHasCenter || strstr(pszLine, "V X=") != NULL))
        {
            if (!bHasCenter)
            {
                const char* pszVX = strstr(pszLine, "V X=");
                bHasCenter = OGROpenAirGetLatLon(pszVX, dfCenterLat, dfCenterLon);
            }
            if (bHasCenter)
            {
                pszLine += 3;

                double dfRADIUS = CPLAtof(pszLine) * 1852;

                double dfAngle;
                double dfLat, dfLon;
                for(dfAngle = 0; dfAngle < 360; dfAngle += 1)
                {
                    OGRXPlane_ExtendPosition(dfCenterLat, dfCenterLon,
                                             dfRADIUS, dfAngle, &dfLat, &dfLon);
                    oLR.addPoint(dfLon, dfLat);
                }
                OGRXPlane_ExtendPosition(dfCenterLat, dfCenterLon,
                                         dfRADIUS, 0, &dfLat, &dfLon);
                oLR.addPoint(dfLon, dfLat);

                /* dfLastLat = oLR.getY(oLR.getNumPoints() - 1); */
                /* dfLastLon = oLR.getX(oLR.getNumPoints() - 1); */
            }
        }
        else if (EQUALN(pszLine, "V X=", 4))
        {
            bHasCenter =
                    OGROpenAirGetLatLon(pszLine + 4, dfCenterLat, dfCenterLon);
        }
        else if (EQUALN(pszLine, "V D=-", 5))
        {
            bClockWise = FALSE;
        }
        else if (EQUALN(pszLine, "V D=+", 5))
        {
            bClockWise = TRUE;
        }
        else
        {
            //CPLDebug("OpenAir", "Unexpected content : %s", pszLine);
        }
    }

    OGRFeature* poFeature = new OGRFeature(poFeatureDefn);
    poFeature->SetField(0, osCLASS.c_str());
    poFeature->SetField(1, osNAME.c_str());
    poFeature->SetField(2, osFLOOR.c_str());
    poFeature->SetField(3, osCEILING.c_str());

    if (sStyle.penStyle != -1 || sStyle.fillR != -1)
    {
        CPLString osStyle;
        if (sStyle.penStyle != -1)
        {
            osStyle += CPLString().Printf("PEN(c:#%02X%02X%02X,w:%dpt",
                                 sStyle.penR, sStyle.penG, sStyle.penB,
                                 sStyle.penWidth);
            if (sStyle.penStyle == 1)
                osStyle += ",p:\"5px 5px\"";
            osStyle += ")";
        }
        if (sStyle.fillR != -1)
        {
            if (osStyle.size() != 0)
                osStyle += ";";
            osStyle += CPLString().Printf("BRUSH(fc:#%02X%02X%02X)",
                                 sStyle.fillR, sStyle.fillG, sStyle.fillB);
        }
        else
        {
            if (osStyle.size() != 0)
                osStyle += ";";
            osStyle += "BRUSH(fc:#00000000,id:\"ogr-brush-1\")";
        }
        if (osStyle.size() != 0)
            poFeature->SetStyleString(osStyle);
    }

    OGRPolygon* poPoly = new OGRPolygon();
    oLR.closeRings();
    poPoly->addRing(&oLR);
    poPoly->assignSpatialReference(poSRS);
    poFeature->SetGeometryDirectly(poPoly);
    poFeature->SetFID(nNextFID++);

    return poFeature;
}
コード例 #16
0
int main( int nArgc, char ** papszArgv )

{
    int   nFirstSourceDataset = -1, bLayersWildcarded = TRUE, iArg;
    const char *pszFormat = "ESRI Shapefile";
    const char *pszTileIndexField = "LOCATION";
    const char *pszOutputName = NULL;
    int write_absolute_path = FALSE;
    int skip_different_projection = FALSE;
    char* current_path = NULL;
    int accept_different_schemas = FALSE;
    int bFirstWarningForNonMatchingAttributes = TRUE;
    
    /* Check strict compilation and runtime library version as we use C++ API */
    if (! GDAL_CHECK_VERSION(papszArgv[0]))
        exit(1);
/* -------------------------------------------------------------------- */
/*      Register format(s).                                             */
/* -------------------------------------------------------------------- */
    OGRRegisterAll();
    
/* -------------------------------------------------------------------- */
/*      Processing command line arguments.                              */
/* -------------------------------------------------------------------- */
    for( iArg = 1; iArg < nArgc; iArg++ )
    {
        if( EQUAL(papszArgv[iArg], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   papszArgv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(papszArgv[iArg],"-f") && iArg < nArgc-1 )
        {
            pszFormat = papszArgv[++iArg];
        }
        else if( EQUAL(papszArgv[iArg],"-write_absolute_path"))
        {
            write_absolute_path = TRUE;
        }
        else if( EQUAL(papszArgv[iArg],"-skip_different_projection"))
        {
            skip_different_projection = TRUE;
        }
        else if( EQUAL(papszArgv[iArg],"-accept_different_schemas"))
        {
            accept_different_schemas = TRUE;
        }
        else if( EQUAL(papszArgv[iArg],"-tileindex") && iArg < nArgc-1 )
        {
            pszTileIndexField = papszArgv[++iArg];
        }
        else if( EQUAL(papszArgv[iArg],"-lnum") 
                 || EQUAL(papszArgv[iArg],"-lname") )
        {
            iArg++;
            bLayersWildcarded = FALSE;
        }
        else if( papszArgv[iArg][0] == '-' )
            Usage();
        else if( pszOutputName == NULL )
            pszOutputName = papszArgv[iArg];
        else if( nFirstSourceDataset == -1 )
            nFirstSourceDataset = iArg;
    }

    if( pszOutputName == NULL || nFirstSourceDataset == -1 )
        Usage();

/* -------------------------------------------------------------------- */
/*      Try to open as an existing dataset for update access.           */
/* -------------------------------------------------------------------- */
    OGRDataSource *poDstDS;
    OGRLayer *poDstLayer = NULL;

    poDstDS = OGRSFDriverRegistrar::Open( pszOutputName, TRUE );

/* -------------------------------------------------------------------- */
/*      If that failed, find the driver so we can create the tile index.*/
/* -------------------------------------------------------------------- */
    if( poDstDS == NULL )
    {
        OGRSFDriverRegistrar     *poR = OGRSFDriverRegistrar::GetRegistrar();
        OGRSFDriver              *poDriver = NULL;
        int                      iDriver;

        for( iDriver = 0;
             iDriver < poR->GetDriverCount() && poDriver == NULL;
             iDriver++ )
        {
            if( EQUAL(poR->GetDriver(iDriver)->GetName(),pszFormat) )
            {
                poDriver = poR->GetDriver(iDriver);
            }
        }

        if( poDriver == NULL )
        {
            fprintf( stderr, "Unable to find driver `%s'.\n", pszFormat );
            fprintf( stderr, "The following drivers are available:\n" );
        
            for( iDriver = 0; iDriver < poR->GetDriverCount(); iDriver++ )
            {
                fprintf( stderr, "  -> `%s'\n", poR->GetDriver(iDriver)->GetName() );
            }
            exit( 1 );
        }

        if( !poDriver->TestCapability( ODrCCreateDataSource ) )
        {
            fprintf( stderr, "%s driver does not support data source creation.\n",
                    pszFormat );
            exit( 1 );
        }

/* -------------------------------------------------------------------- */
/*      Now create it.                                                  */
/* -------------------------------------------------------------------- */
        
        poDstDS = poDriver->CreateDataSource( pszOutputName, NULL );
        if( poDstDS == NULL )
        {
            fprintf( stderr, "%s driver failed to create %s\n", 
                    pszFormat, pszOutputName );
            exit( 1 );
        }

        if( poDstDS->GetLayerCount() == 0 )
        {
            OGRFieldDefn oLocation( pszTileIndexField, OFTString );
            
            oLocation.SetWidth( 200 );
            
            if( nFirstSourceDataset < nArgc && papszArgv[nFirstSourceDataset][0] == '-' )
            {
                nFirstSourceDataset++;
            }
            
            OGRSpatialReference* poSrcSpatialRef = NULL;
            
            /* Fetches the SRS of the first layer and use it when creating the tileindex layer */
            if (nFirstSourceDataset < nArgc)
            {
                OGRDataSource* poDS = OGRSFDriverRegistrar::Open( papszArgv[nFirstSourceDataset], 
                                           FALSE );
                                           
                if (poDS)
                {
                    int iLayer;

                    for( iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++ )
                    {
                        int bRequested = bLayersWildcarded;
                        OGRLayer *poLayer = poDS->GetLayer(iLayer);

                        for( iArg = 1; iArg < nArgc && !bRequested; iArg++ )
                        {
                            if( EQUAL(papszArgv[iArg],"-lnum") 
                                && atoi(papszArgv[iArg+1]) == iLayer )
                                bRequested = TRUE;
                            else if( EQUAL(papszArgv[iArg],"-lname") 
                                     && EQUAL(papszArgv[iArg+1],
                                              poLayer->GetLayerDefn()->GetName()) )
                                bRequested = TRUE;
                        }

                        if( !bRequested )
                            continue;
                            
                        if ( poLayer->GetSpatialRef() )
                            poSrcSpatialRef = poLayer->GetSpatialRef()->Clone();
                        break;
                    }
                }
                
                OGRDataSource::DestroyDataSource( poDS );
            }

            poDstLayer = poDstDS->CreateLayer( "tileindex", poSrcSpatialRef );
            poDstLayer->CreateField( &oLocation, OFTString );
            
            OGRSpatialReference::DestroySpatialReference( poSrcSpatialRef );
        }
    }

/* -------------------------------------------------------------------- */
/*      Identify target layer and field.                                */
/* -------------------------------------------------------------------- */
    int   iTileIndexField;

    poDstLayer = poDstDS->GetLayer(0);
    if( poDstLayer == NULL )
    {
        fprintf( stderr, "Can't find any layer in output tileindex!\n" );
        exit( 1 );
    }

    iTileIndexField = 
        poDstLayer->GetLayerDefn()->GetFieldIndex( pszTileIndexField );
    if( iTileIndexField == -1 )
    {
        fprintf( stderr, "Can't find %s field in tile index dataset.\n", 
                pszTileIndexField );
        exit( 1 );
    }

    OGRFeatureDefn* poFeatureDefn = NULL;

    /* Load in memory existing file names in SHP */
    int nExistingLayers = 0;
    char** existingLayersTab = NULL;
    OGRSpatialReference* alreadyExistingSpatialRef = NULL;
    int alreadyExistingSpatialRefValid = FALSE;
    nExistingLayers = poDstLayer->GetFeatureCount();
    if (nExistingLayers)
    {
        int i;
        existingLayersTab = (char**)CPLMalloc(nExistingLayers * sizeof(char*));
        for(i=0;i<nExistingLayers;i++)
        {
            OGRFeature* feature = poDstLayer->GetNextFeature();
            existingLayersTab[i] = CPLStrdup(feature->GetFieldAsString( iTileIndexField));
            if (i == 0)
            {
                OGRDataSource       *poDS;
                char* filename = CPLStrdup(existingLayersTab[i]);
                int j;
                for(j=strlen(filename)-1;j>=0;j--)
                {
                    if (filename[j] == ',')
                        break;
                }
                if (j >= 0)
                {
                    int iLayer = atoi(filename + j + 1);
                    filename[j] = 0;
                    poDS = OGRSFDriverRegistrar::Open(filename, 
                                                    FALSE );
                    if (poDS)
                    {
                        OGRLayer *poLayer = poDS->GetLayer(iLayer);
                        if (poLayer)
                        {
                            alreadyExistingSpatialRefValid = TRUE;
                            alreadyExistingSpatialRef =
                                    (poLayer->GetSpatialRef()) ? poLayer->GetSpatialRef()->Clone() : NULL;
                                    
                            if (poFeatureDefn == NULL)
                                poFeatureDefn = poLayer->GetLayerDefn()->Clone();
                        }
                        OGRDataSource::DestroyDataSource( poDS );
                    }
                }
            }
        }
    }


    if (write_absolute_path)
    {
        current_path = CPLGetCurrentDir();
        if (current_path == NULL)
        {
            fprintf( stderr, "This system does not support the CPLGetCurrentDir call. "
                             "The option -write_absolute_path will have no effect\n");
            write_absolute_path = FALSE;
        }
    }
/* ==================================================================== */
/*      Process each input datasource in turn.                          */
/* ==================================================================== */

	for(; nFirstSourceDataset < nArgc; nFirstSourceDataset++ )
    {
        int i;
        OGRDataSource       *poDS;

        if( papszArgv[nFirstSourceDataset][0] == '-' )
        {
            nFirstSourceDataset++;
            continue;
        }
        
        char* fileNameToWrite;
        VSIStatBuf sStatBuf;

        if (write_absolute_path && CPLIsFilenameRelative( papszArgv[nFirstSourceDataset] ) &&
            VSIStat( papszArgv[nFirstSourceDataset], &sStatBuf ) == 0)
        {
            fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path,papszArgv[nFirstSourceDataset]));
        }
        else
        {
            fileNameToWrite = CPLStrdup(papszArgv[nFirstSourceDataset]);
        }

        poDS = OGRSFDriverRegistrar::Open( papszArgv[nFirstSourceDataset], 
                                           FALSE );

        if( poDS == NULL )
        {
            fprintf( stderr, "Failed to open dataset %s, skipping.\n", 
                    papszArgv[nFirstSourceDataset] );
            CPLFree(fileNameToWrite);
            continue;
        }

/* -------------------------------------------------------------------- */
/*      Check all layers, and see if they match requests.               */
/* -------------------------------------------------------------------- */
        int iLayer;

        for( iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++ )
        {
            int bRequested = bLayersWildcarded;
            OGRLayer *poLayer = poDS->GetLayer(iLayer);

            for( iArg = 1; iArg < nArgc && !bRequested; iArg++ )
            {
                if( EQUAL(papszArgv[iArg],"-lnum") 
                    && atoi(papszArgv[iArg+1]) == iLayer )
                    bRequested = TRUE;
                else if( EQUAL(papszArgv[iArg],"-lname") 
                         && EQUAL(papszArgv[iArg+1],
                                  poLayer->GetLayerDefn()->GetName()) )
                    bRequested = TRUE;
            }

            if( !bRequested )
                continue;

            /* Checks that the layer is not already in tileindex */
            for(i=0;i<nExistingLayers;i++)
            {
                char        szLocation[5000];
                sprintf( szLocation, "%s,%d", 
                        fileNameToWrite, iLayer );
                if (EQUAL(szLocation, existingLayersTab[i]))
                {
                    fprintf(stderr, "Layer %d of %s is already in tileindex. Skipping it.\n",
                            iLayer, papszArgv[nFirstSourceDataset]);
                    break;
                }
            }
            if (i != nExistingLayers)
            {
                continue;
            }

            OGRSpatialReference* spatialRef = poLayer->GetSpatialRef();
            if (alreadyExistingSpatialRefValid)
            {
                if ((spatialRef != NULL && alreadyExistingSpatialRef != NULL &&
                     spatialRef->IsSame(alreadyExistingSpatialRef) == FALSE) ||
                    ((spatialRef != NULL) != (alreadyExistingSpatialRef != NULL)))
                {
                    fprintf(stderr, "Warning : layer %d of %s is not using the same projection system as "
                                "other files in the tileindex. This may cause problems when "
                                "using it in MapServer for example.%s\n", iLayer, papszArgv[nFirstSourceDataset],
                                (skip_different_projection) ? " Skipping it" : "");
                    if (skip_different_projection)
                    {
                        continue;
                    }
                }
            }
            else
            {
                alreadyExistingSpatialRefValid = TRUE;
                alreadyExistingSpatialRef = (spatialRef) ? spatialRef->Clone() : NULL;
            }

/* -------------------------------------------------------------------- */
/*		Check if all layers in dataset have the same attributes	schema. */
/* -------------------------------------------------------------------- */
			if( poFeatureDefn == NULL )
			{
				poFeatureDefn = poLayer->GetLayerDefn()->Clone();
			}
			else if ( !accept_different_schemas )
			{
				OGRFeatureDefn* poFeatureDefnCur = poLayer->GetLayerDefn();
				assert(NULL != poFeatureDefnCur);

				int fieldCount = poFeatureDefnCur->GetFieldCount();

				if( fieldCount != poFeatureDefn->GetFieldCount())
				{
					fprintf( stderr, "Number of attributes of layer %s of %s does not match ... skipping it.\n",
                             poLayer->GetLayerDefn()->GetName(), papszArgv[nFirstSourceDataset]);
                    if (bFirstWarningForNonMatchingAttributes)
                    {
                        fprintf( stderr, "Note : you can override this behaviour with -accept_different_schemas option\n"
                                         "but this may result in a tileindex incompatible with MapServer\n");
                        bFirstWarningForNonMatchingAttributes = FALSE;
                    }
					continue;
				}
				
                int bSkip = FALSE;
				for( int fn = 0; fn < poFeatureDefnCur->GetFieldCount(); fn++ )
				{
 					OGRFieldDefn* poField = poFeatureDefn->GetFieldDefn(fn);
 					OGRFieldDefn* poFieldCur = poFeatureDefnCur->GetFieldDefn(fn);

					/* XXX - Should those pointers be checked against NULL? */ 
					assert(NULL != poField);
					assert(NULL != poFieldCur);

					if( poField->GetType() != poFieldCur->GetType() 
						|| poField->GetWidth() != poFieldCur->GetWidth() 
						|| poField->GetPrecision() != poFieldCur->GetPrecision() 
						|| !EQUAL( poField->GetNameRef(), poFieldCur->GetNameRef() ) )
					{
						fprintf( stderr, "Schema of attributes of layer %s of %s does not match ... skipping it.\n",
                                 poLayer->GetLayerDefn()->GetName(), papszArgv[nFirstSourceDataset]);
                        if (bFirstWarningForNonMatchingAttributes)
                        {
                            fprintf( stderr, "Note : you can override this behaviour with -accept_different_schemas option\n"
                                             "but this may result in a tileindex incompatible with MapServer\n");
                            bFirstWarningForNonMatchingAttributes = FALSE;
                        }
                        bSkip = TRUE; 
                        break;
					}
				}
                
                if (bSkip)
                    continue;
			}


/* -------------------------------------------------------------------- */
/*      Get layer extents, and create a corresponding polygon           */
/*      geometry.                                                       */
/* -------------------------------------------------------------------- */
            OGREnvelope sExtents;
            OGRPolygon oRegion;
            OGRLinearRing oRing;

            if( poLayer->GetExtent( &sExtents, TRUE ) != OGRERR_NONE )
            {
                fprintf( stderr, "GetExtent() failed on layer %s of %s, skipping.\n", 
                        poLayer->GetLayerDefn()->GetName(), 
                        papszArgv[nFirstSourceDataset] );
                continue;
            }
            
            oRing.addPoint( sExtents.MinX, sExtents.MinY );
            oRing.addPoint( sExtents.MinX, sExtents.MaxY );
            oRing.addPoint( sExtents.MaxX, sExtents.MaxY );
            oRing.addPoint( sExtents.MaxX, sExtents.MinY );
            oRing.addPoint( sExtents.MinX, sExtents.MinY );

            oRegion.addRing( &oRing );

/* -------------------------------------------------------------------- */
/*      Add layer to tileindex.                                         */
/* -------------------------------------------------------------------- */
            char        szLocation[5000];
            OGRFeature  oTileFeat( poDstLayer->GetLayerDefn() );

            sprintf( szLocation, "%s,%d", 
                     fileNameToWrite, iLayer );
            oTileFeat.SetGeometry( &oRegion );
            oTileFeat.SetField( iTileIndexField, szLocation );

            if( poDstLayer->CreateFeature( &oTileFeat ) != OGRERR_NONE )
            {
                fprintf( stderr, "Failed to create feature on tile index ... terminating." );
                OGRDataSource::DestroyDataSource( poDstDS );
                exit( 1 );
            }
        }

/* -------------------------------------------------------------------- */
/*      Cleanup this data source.                                       */
/* -------------------------------------------------------------------- */
        CPLFree(fileNameToWrite);
        OGRDataSource::DestroyDataSource( poDS );
    }

/* -------------------------------------------------------------------- */
/*      Close tile index and clear buffers.                             */
/* -------------------------------------------------------------------- */
    OGRDataSource::DestroyDataSource( poDstDS );
	OGRFeatureDefn::DestroyFeatureDefn( poFeatureDefn );
  
    if (alreadyExistingSpatialRef != NULL)
        OGRSpatialReference::DestroySpatialReference( alreadyExistingSpatialRef );
  
    CPLFree(current_path);
    
    if (nExistingLayers)
    {
        int i;
        for(i=0;i<nExistingLayers;i++)
        {
            CPLFree(existingLayersTab[i]);
        }
        CPLFree(existingLayersTab);
    }

    return 0;
}
コード例 #17
0
ファイル: ogrsualayer.cpp プロジェクト: koordinates/gdal
OGRFeature *OGRSUALayer::GetNextRawFeature()
{
    if( bEOF )
        return nullptr;

    CPLString osTYPE;
    CPLString osCLASS;
    CPLString osTITLE;
    CPLString osTOPS;
    CPLString osBASE;
    OGRLinearRing oLR;
    double dfLastLat = 0.0;
    double dfLastLon = 0.0;
    bool bFirst = true;

    while( true )
    {
        const char* pszLine = nullptr;
        if( bFirst && bHasLastLine )
        {
            pszLine = osLastLine.c_str();
            bFirst = false;
        }
        else
        {
            pszLine = CPLReadLine2L(fpSUA, 1024, nullptr);
            if (pszLine == nullptr)
            {
                bEOF = true;
                if (oLR.getNumPoints() == 0)
                    return nullptr;
                break;
            }
            osLastLine = pszLine;
            bHasLastLine = true;
        }

        if (pszLine[0] == '#' || pszLine[0] == '\0')
            continue;

        if (STARTS_WITH_CI(pszLine, "TYPE="))
        {
            if (!osTYPE.empty())
                break;
            osTYPE = pszLine + 5;
        }
        else if (STARTS_WITH_CI(pszLine, "CLASS="))
        {
            if (!osCLASS.empty())
                break;
            osCLASS = pszLine + 6;
        }
        else if (STARTS_WITH_CI(pszLine, "TITLE="))
        {
            if (!osTITLE.empty())
                break;
            osTITLE = pszLine + 6;
        }
        else if (STARTS_WITH_CI(pszLine, "TOPS="))
            osTOPS = pszLine + 5;
        else if (STARTS_WITH_CI(pszLine, "BASE="))
            osBASE = pszLine + 5;
        else if (STARTS_WITH_CI(pszLine, "POINT="))
        {
            pszLine += 6;
            if (strlen(pszLine) != 16)
                continue;

            double dfLat = 0.0;
            double dfLon = 0.0;
            if (!GetLatLon(pszLine, dfLat, dfLon))
                continue;

            oLR.addPoint(dfLon, dfLat);
            dfLastLat = dfLat;
            dfLastLon = dfLon;
        }
        else if (STARTS_WITH_CI(pszLine, "CLOCKWISE") || STARTS_WITH_CI(pszLine, "ANTI-CLOCKWISE"))
        {
            if (oLR.getNumPoints() == 0)
                continue;

            int bClockWise = STARTS_WITH_CI(pszLine, "CLOCKWISE");

            /*const char* pszRADIUS = strstr(pszLine, "RADIUS=");
            if (pszRADIUS == NULL)
                continue;
            double dfRADIUS = CPLAtof(pszRADIUS + 7) * 1852;*/

            const char* pszCENTRE = strstr(pszLine, "CENTRE=");
            if (pszCENTRE == nullptr)
                continue;
            pszCENTRE += 7;
            if (strlen(pszCENTRE) < 17 || pszCENTRE[16] != ' ')
                continue;
            double dfCenterLat = 0.0;
            double dfCenterLon = 0.0;
            if (!GetLatLon(pszCENTRE, dfCenterLat, dfCenterLon))
                continue;

            const char* pszTO = strstr(pszLine, "TO=");
            if (pszTO == nullptr)
                continue;
            pszTO += 3;
            if (strlen(pszTO) != 16)
                continue;
            double dfToLat = 0.0;
            double dfToLon = 0.0;
            if (!GetLatLon(pszTO, dfToLat, dfToLon))
                continue;

            const double dfStartDistance =
                OGR_GreatCircle_Distance(dfCenterLat, dfCenterLon, dfLastLat, dfLastLon);
            const double dfEndDistance =
                OGR_GreatCircle_Distance(dfCenterLat, dfCenterLon, dfToLat, dfToLon);
            const double dfStartAngle =
                OGR_GreatCircle_InitialHeading(dfCenterLat, dfCenterLon, dfLastLat, dfLastLon);
            double dfEndAngle =
                OGR_GreatCircle_InitialHeading(dfCenterLat, dfCenterLon, dfToLat, dfToLon);

            if( bClockWise && dfEndAngle < dfStartAngle )
                dfEndAngle += 360;
            else if (!bClockWise && dfStartAngle < dfEndAngle)
                dfEndAngle -= 360;

            int nSign = (bClockWise) ? 1 : -1;
            for( double dfAngle = dfStartAngle;
                 (dfAngle - dfEndAngle) * nSign < 0;
                 dfAngle += nSign )
            {
                const double pct = (dfAngle - dfStartAngle) / (dfEndAngle - dfStartAngle);
                const double dfDist = dfStartDistance * (1-pct) + dfEndDistance * pct;
                double dfLat = 0.0;
                double dfLon = 0.0;
                OGR_GreatCircle_ExtendPosition(dfCenterLat, dfCenterLon, dfDist, dfAngle, &dfLat, &dfLon);
                oLR.addPoint(dfLon, dfLat);
            }
            oLR.addPoint(dfToLon, dfToLat);

            dfLastLat = oLR.getY(oLR.getNumPoints() - 1);
            dfLastLon = oLR.getX(oLR.getNumPoints() - 1);
        }
        else if (STARTS_WITH_CI(pszLine, "CIRCLE"))
        {
            const char* pszRADIUS = strstr(pszLine, "RADIUS=");
            if (pszRADIUS == nullptr)
                continue;
            double dfRADIUS = CPLAtof(pszRADIUS + 7) * 1852;

            const char* pszCENTRE = strstr(pszLine, "CENTRE=");
            if (pszCENTRE == nullptr)
                continue;
            pszCENTRE += 7;
            if (strlen(pszCENTRE) != 16)
                continue;
            double dfCenterLat = 0.0;
            double dfCenterLon = 0.0;
            if (!GetLatLon(pszCENTRE, dfCenterLat, dfCenterLon))
                continue;

            double dfLat = 0.0;
            double dfLon = 0.0;
            for( double dfAngle = 0; dfAngle < 360; dfAngle += 1 )
            {
                OGR_GreatCircle_ExtendPosition(dfCenterLat, dfCenterLon, dfRADIUS, dfAngle, &dfLat, &dfLon);
                oLR.addPoint(dfLon, dfLat);
            }
            OGR_GreatCircle_ExtendPosition(dfCenterLat, dfCenterLon, dfRADIUS, 0, &dfLat, &dfLon);
            oLR.addPoint(dfLon, dfLat);

            dfLastLat = oLR.getY(oLR.getNumPoints() - 1);
            dfLastLon = oLR.getX(oLR.getNumPoints() - 1);
        }
        else if (STARTS_WITH_CI(pszLine, "INCLUDE") || STARTS_WITH_CI(pszLine, "END"))
        {
        }
        else
        {
            CPLDebug("SUA", "Unexpected content : %s", pszLine);
        }
    }

    OGRFeature* poFeature = new OGRFeature(poFeatureDefn);
    poFeature->SetField(0, osTYPE.c_str());
    poFeature->SetField(1, osCLASS.c_str());
    poFeature->SetField(2, osTITLE.c_str());
    poFeature->SetField(3, osTOPS.c_str());
    poFeature->SetField(4, osBASE.c_str());

    OGRPolygon* poPoly = new OGRPolygon();
    poPoly->assignSpatialReference(poSRS);
    oLR.closeRings();
    poPoly->addRing(&oLR);
    poFeature->SetGeometryDirectly(poPoly);
    poFeature->SetFID(nNextFID++);

    return poFeature;
}
コード例 #18
0
/*!
  \brief Load geometry (polygon BUD/PAR layers)

  \return number of invalid features
*/
int VFKDataBlockDB::LoadGeometryPolygon()
{
    int  nInvalidNoLines, nInvalidNoRings, nGeometries, nBridges;
    int  rowId, nCount, nCountMax;
    size_t nLines;
    GIntBig iFID;
    bool bIsPar, bNewRing, bFound;

    CPLString    osSQL;
    const char  *vrColumn[2];
    GUIntBig     vrValue[2];
    GUIntBig     id, idOb;

    sqlite3_stmt *hStmt;

    VFKReaderDB    *poReader;
    VFKDataBlockDB *poDataBlockLines1, *poDataBlockLines2;
    VFKFeatureDB   *poFeature;

    VFKFeatureDBList  poLineList;
    /* first is to be considered as exterior */
    PointListArray        poRingList;

    std::vector<OGRLinearRing *> poLinearRingList;
    OGRPolygon     ogrPolygon;
    OGRLinearRing *poOgrRing;

    nInvalidNoLines = nInvalidNoRings = nGeometries = 0;
    poReader  = (VFKReaderDB*) m_poReader;

    if (EQUAL (m_pszName, "PAR")) {
        poDataBlockLines1 = (VFKDataBlockDB *) m_poReader->GetDataBlock("HP");
        poDataBlockLines2 = poDataBlockLines1;
        bIsPar = TRUE;
    }
    else {
        poDataBlockLines1 = (VFKDataBlockDB *) m_poReader->GetDataBlock("OB");
        poDataBlockLines2 = (VFKDataBlockDB *) m_poReader->GetDataBlock("SBP");
        bIsPar = FALSE;
    }
    if (NULL == poDataBlockLines1) {
        CPLError(CE_Warning, CPLE_FileIO,
                 "Data block %s not found. Unable to build geometry for %s.", 
                 bIsPar ? "HP" : "OB", m_pszName);
        return -1;
    }
    if (NULL == poDataBlockLines2) {
        CPLError(CE_Warning, CPLE_FileIO,
                 "Data block %s not found. Unable to build geometry for %s.",
                 "SBP", m_pszName);
        return -1;
    }

    poDataBlockLines1->LoadGeometry();
    poDataBlockLines2->LoadGeometry();

    if (LoadGeometryFromDB()) /* try to load geometry from DB */
	return 0;

    if (bIsPar) {
        vrColumn[0] = "PAR_ID_1";
        vrColumn[1] = "PAR_ID_2";
    }
    else {
        vrColumn[0] = "OB_ID";
        vrColumn[1] = "PORADOVE_CISLO_BODU";
        vrValue[1]  = 1;
    }

    osSQL.Printf("SELECT ID,%s,rowid FROM %s", FID_COLUMN, m_pszName);
    if (poReader->IsSpatial())
	poReader->ExecuteSQL("BEGIN");

    std::vector<VFKDbValue> record;
    record.push_back(VFKDbValue(DT_BIGINT));
    record.push_back(VFKDbValue(DT_BIGINT));
    record.push_back(VFKDbValue(DT_INT));
    poReader->PrepareStatement(osSQL.c_str());
    while(poReader->ExecuteSQL(record) == OGRERR_NONE) {
        nBridges = 0;

        /* read values */
        id        = static_cast<GIntBig> (record[0]);
        iFID      = static_cast<GIntBig> (record[1]);
        rowId     = static_cast<int> (record[2]);

        poFeature = (VFKFeatureDB *) GetFeatureByIndex(rowId - 1);
        CPLAssert(NULL != poFeature && poFeature->GetFID() == iFID);

        if (bIsPar) {
            vrValue[0] = vrValue[1] = id;
            poLineList = poDataBlockLines1->GetFeatures(vrColumn, vrValue, 2);
        }
        else {
            VFKFeatureDB *poLineSbp;
            std::vector<VFKFeatureDB *> poLineListOb;
            sqlite3_stmt *hStmtOb;

            osSQL.Printf("SELECT ID FROM %s WHERE BUD_ID = " CPL_FRMT_GUIB,
                         poDataBlockLines1->GetName(), id);
            if (poReader->IsSpatial()) {
                CPLString osColumn;

                osColumn.Printf(" AND %s IS NULL", GEOM_COLUMN);
                osSQL += osColumn;
            }

            std::vector<VFKDbValue> record1;
            record1.push_back(VFKDbValue(DT_BIGINT));
            poReader->PrepareStatement(osSQL.c_str(), 1);
            while(poReader->ExecuteSQL(record, 1) == OGRERR_NONE) {
                idOb = static_cast<GIntBig> (record[0]);
                vrValue[0] = idOb;
                poLineSbp = poDataBlockLines2->GetFeature(vrColumn, vrValue, 2);
                if (poLineSbp)
                    poLineList.push_back(poLineSbp);
            }
        }
        nLines = poLineList.size();
        if (nLines < 1) {
            CPLDebug("OGR-VFK",
                     "%s: unable to collect rings for polygon fid = %ld (no lines)",
                     m_pszName, iFID);
            nInvalidNoLines++;
            continue;
        }

        /* clear */
        ogrPolygon.empty();
        poRingList.clear();

        /* collect rings from lines */
        bFound = FALSE;
        nCount = 0;
        nCountMax = static_cast<int>(nLines) * 2;
	while (poLineList.size() > 0 && nCount < nCountMax) {
            bNewRing = !bFound ? TRUE : FALSE;
            bFound = FALSE;
            int i = 1;
            for (VFKFeatureDBList::iterator iHp = poLineList.begin(), eHp = poLineList.end();
                 iHp != eHp; ++iHp, ++i) {
                const OGRLineString *pLine = (OGRLineString *) (*iHp)->GetGeometry();
                if (pLine && AppendLineToRing(&poRingList, pLine, bNewRing)) {
                    bFound = TRUE;
                    poLineList.erase(iHp);
                    break;
                }
            }
            nCount++;
        }
        CPLDebug("OGR-VFK", "%s: fid = %ld nlines = %d -> nrings = %d", m_pszName,
                 iFID, (int)nLines, (int)poRingList.size());

        if (poLineList.size() > 0) {
            CPLDebug("OGR-VFK",
                     "%s: unable to collect rings for polygon fid = %ld",
                     m_pszName, iFID);
            nInvalidNoRings++;
            continue;
        }

        /* build rings */
	poLinearRingList.clear();
	int i = 1;
        for (PointListArray::const_iterator iRing = poRingList.begin(), eRing = poRingList.end();
             iRing != eRing; ++iRing) {
	    OGRPoint *poPoint;
            PointList *poList = *iRing;

            poLinearRingList.push_back(new OGRLinearRing());
	    poOgrRing = poLinearRingList.back();
	    CPLAssert(NULL != poOgrRing);

            for (PointList::iterator iPoint = poList->begin(), ePoint = poList->end();
                 iPoint != ePoint; ++iPoint) {
		poPoint = &(*iPoint);
                poOgrRing->addPoint(poPoint);
            }
	    i++;
	}

	/* find exterior ring */
	if (poLinearRingList.size() > 1) {
	    double dArea, dMaxArea;
	    std::vector<OGRLinearRing *>::iterator exteriorRing;

	    exteriorRing = poLinearRingList.begin();
	    dMaxArea = -1.;
	    for (std::vector<OGRLinearRing *>::iterator iRing = poLinearRingList.begin(),
		     eRing = poLinearRingList.end(); iRing != eRing; ++iRing) {
		poOgrRing = *iRing;
		if (!IsRingClosed(poOgrRing))
		    continue; /* skip unclosed rings */

		dArea = poOgrRing->get_Area();
		if (dArea > dMaxArea) {
		    dMaxArea = dArea;
		    exteriorRing = iRing;
		}
	    }
	    if (exteriorRing != poLinearRingList.begin()) {
		std::swap(*poLinearRingList.begin(), *exteriorRing);
	    }
	}

	/* build polygon from rings */
        for (std::vector<OGRLinearRing *>::iterator iRing = poLinearRingList.begin(),
		 eRing = poLinearRingList.end(); iRing != eRing; ++iRing) {
	    poOgrRing = *iRing;

	    /* check if ring is closed */
	    if (IsRingClosed(poOgrRing)) {
		ogrPolygon.addRing(poOgrRing);
            }
	    else {
                if (poOgrRing->getNumPoints() == 2) {
                    CPLDebug("OGR-VFK", "%s: Polygon (fid = %ld) bridge removed",
                             m_pszName, iFID);
                    nBridges++;
                }
                else {
                    CPLDebug("OGR-VFK",
                             "%s: Polygon (fid = %ld) unclosed ring skipped",
                             m_pszName, iFID);
                }
            }
	    delete poOgrRing;
            *iRing = NULL;
        }

        /* set polygon */
        ogrPolygon.setCoordinateDimension(2); /* force 2D */
        if (ogrPolygon.getNumInteriorRings() + nBridges != (int) poLinearRingList.size() - 1 ||
            !poFeature->SetGeometry(&ogrPolygon)) {
            nInvalidNoRings++;
            continue;
        }

        /* store also geometry in DB */
        if (poReader->IsSpatial() &&
	    SaveGeometryToDB(&ogrPolygon, rowId) != OGRERR_FAILURE)
            nGeometries++;
    }

    /* free ring list */
    for (PointListArray::iterator iRing = poRingList.begin(), eRing = poRingList.end();
         iRing != eRing; ++iRing) {
        delete (*iRing);
        *iRing = NULL;
    }

    CPLDebug("OGR-VFK", "%s: nolines = %d norings = %d",
             m_pszName, nInvalidNoLines, nInvalidNoRings);

    /* update number of geometries in VFK_DB_TABLE table */
    UpdateVfkBlocks(nGeometries);

    if (poReader->IsSpatial())
	poReader->ExecuteSQL("COMMIT");

    return nInvalidNoLines + nInvalidNoRings;
}
コード例 #19
0
ファイル: vector.cpp プロジェクト: caomw/gdal-segment
void SavePolygons( const std::vector< std::string > InFilenames,
                   const char *OutFilename,
                   const cv::Mat klabels,
                   const std::vector< cv::Mat > raster,
                   const std::vector< u_int32_t > labelpixels,
                   const std::vector< std::vector <double> > sumCH,
                   const std::vector< std::vector <double> > avgCH,
                   const std::vector< std::vector <double> > stdCH,
                   std::vector< std::vector< LINE > >& linelists )
{

  CPLLocaleC oLocaleCForcer();
  CPLErrorReset();

  const char *pszDriverName = "ESRI Shapefile";
  GDALDriver *liDriver;

  liDriver = GetGDALDriverManager()->GetDriverByName(pszDriverName );
  if( liDriver == NULL )
  {
      printf( "\nERROR: %s driver not available.\n", pszDriverName );
      exit( 1 );
  }

  const size_t m_bands = raster.size();
  const size_t m_labels = labelpixels.size();

  GDALDataset *liDS;
  liDS = liDriver->Create( OutFilename, 0, 0, 0, GDT_Unknown, NULL );

  if( liDS == NULL )
  {
      printf( "\nERROR: Creation of output file failed.\n" );
      exit( 1 );
  }

  // dataset
  GDALDataset* piDataset;
  piDataset = (GDALDataset*) GDALOpen(InFilenames[0].c_str(), GA_ReadOnly);

  // spatialref
  OGRSpatialReference oSRS;
  oSRS.SetProjCS( piDataset->GetProjectionRef() );

  OGRLayer *liLayer;
  liLayer = liDS->CreateLayer( "segments", &oSRS, wkbPolygon, NULL );
  if( liLayer == NULL )
  {
      printf( "\nERROR: Layer creation failed.\n" );
      exit( 1 );
  }
  // spatial transform
  double adfGeoTransform[6];
  double oX = 0.0f; double oY = 0.0f;
  double mX = 1.0f; double mY = -1.0f;
  if( piDataset->GetGeoTransform( adfGeoTransform ) == CE_None ) {
      oX = adfGeoTransform[0]; oY = adfGeoTransform[3];
      mX = adfGeoTransform[1]; mY = adfGeoTransform[5];
  }
  GDALClose( (GDALDatasetH) piDataset );

  OGRFieldDefn *clsIdField = new OGRFieldDefn( "CLASS", OFTInteger );
  liLayer->CreateField( clsIdField );

  OGRFieldDefn *pixArField = new OGRFieldDefn( "AREA", OFTInteger );
  liLayer->CreateField( pixArField );

  for ( size_t b = 0; b < m_bands; b++ )
  {
     stringstream value; value << b+1;
     std::string FieldName = value.str() + "_AVERAGE";
     OGRFieldDefn *lavrgField = new OGRFieldDefn( FieldName.c_str(), OFTReal );
     liLayer->CreateField( lavrgField );
  }

  for ( size_t b = 0; b < m_bands; b++ )
  {
     stringstream value; value << b+1;
     std::string FieldName = value.str() + "_STDDEV";
     OGRFieldDefn *lavrgField = new OGRFieldDefn( FieldName.c_str(), OFTReal );
     liLayer->CreateField( lavrgField );
  }

  int multiring = 0;
  printf ("Write File: %s (polygon)\n", OutFilename);
  for (size_t k = 0; k < m_labels; k++)
  {

      if (multiring == 1) {
        k = k - 1;
        multiring = 0;
      }

      if (linelists[k].size() == 0)
        continue;
      // insert field data
      OGRFeature *liFeature;
      liFeature = OGRFeature::CreateFeature( liLayer->GetLayerDefn() );
      liFeature->SetField( "CLASS", (int) k );
      liFeature->SetField( "AREA", (int) labelpixels.at(k) );
      for ( size_t b = 0; b < m_bands; b++ )
      {
        stringstream value; value << b+1;
        std::string FieldName = value.str() + "_AVERAGE";
        liFeature->SetField( FieldName.c_str(), (double) avgCH[b].at(k) );
      }
      for ( size_t b = 0; b < m_bands; b++ )
      {
        stringstream value; value << b+1;
        std::string FieldName = value.str() + "_STDDEV";
        liFeature->SetField( FieldName.c_str(), stdCH[b].at(k) );
      }

      // initiate polygon start
      OGRLinearRing linestring;
      linestring.setCoordinateDimension(2);
      linestring.addPoint( oX + (double) linelists[k][0].sX * mX, oY + mY * (double) linelists[k][0].sY );
      linestring.addPoint( oX + (double) linelists[k][0].eX * mX, oY + mY * (double) linelists[k][0].eY );
      linelists[k].erase( linelists[k].begin() );

      // construct polygon from lines
      while ( linelists[k].size() > 0 )
      {
        if (multiring == 1) break;

        vector<LINE>::iterator it = linelists[k].begin();
        for (; it != linelists[k].end(); ++it)
        {
          double ltX = linestring.getX(linestring.getNumPoints()-1);
          double ltY = linestring.getY(linestring.getNumPoints()-1);
          double csX = oX + (double) it->sX * mX;
          double csY = oY + mY * (double) it->sY;
          double ceX = oX + (double) it->eX * mX;
          double ceY = oY + mY * (double) it->eY;

          if ( ( csX == ltX  ) && ( csY == ltY ) ) {
              linestring.addPoint(ceX, ceY);
              linelists[k].erase(it);
              break;
          }
          if ( ( ceX == ltX  ) && ( ceY == ltY ) ) {
              linestring.addPoint(csX, csY);
              linelists[k].erase(it);
              break;
          }
          if (it == linelists[k].end()-1) {
              multiring = 1;
              break;
          }
        }
      }

      OGRPolygon polygon;
      linestring.closeRings();

      // simplify poligons
      // remove colinear vertices
      OGRLinearRing linesimple;
      float pointPrevX = 0, pointPrevY = 0;
      for (int i = 0; i < linestring.getNumPoints(); i++)
      {
        OGRPoint point;
        linestring.getPoint(i, &point);

        // start
        if ( i == 0)
        {
          linesimple.addPoint( &point );
          pointPrevX = point.getX();
          pointPrevY = point.getY();
          continue;
        }
        // end vertex
        if ( i == linestring.getNumPoints() - 1 )
        {
          linesimple.addPoint( &point );
          continue;
        }

        OGRPoint pointNext;
        linestring.getPoint(i+1, &pointNext);
        //     | x1 y1 1 |
        // det | x2 y2 1 | = 0 => p1,p2,p3 are colinear
        //     | x3 y3 1 |
        // x1*(y2-y3) + x2*(y3-y1) + x3*(y1-y2) == 0
        // only if not colinear with previous and next
        if ( pointPrevX*(point.getY()-pointNext.getY()) +
             point.getX()*(pointNext.getY()-pointPrevY) +
             pointNext.getX()*(pointPrevY-point.getY()) != 0 )
        {
          linesimple.addPoint( &point );
          pointPrevX = point.getX();
          pointPrevY = point.getY();
        }
      }

      // as polygon geometry
      polygon.addRing( &linesimple );
      liFeature->SetGeometry( &polygon );

      if( liLayer->CreateFeature( liFeature ) != OGRERR_NONE )
      {
         printf( "\nERROR: Failed to create feature in shapefile.\n" );
         exit( 1 );
      }
      OGRFeature::DestroyFeature( liFeature );
      GDALTermProgress( (float)(k+1) / (float)(m_labels), NULL, NULL );
  }
  GDALTermProgress( 1.0f, NULL, NULL );

  GDALClose( liDS );

}