Ejemplo n.º 1
0
void aRTstatictable::Create(SEXP options)
{
	string id   = GET_STRING_ELEMENT  (options, aRTstrId);
	int length  = GET_INTEGER_ELEMENT (options, "length");
	bool genids = GET_BOOL_ELEMENT    (options, "generateids");

	TeAttributeList attList;
	TeAttribute at;
			
    at.rep_.type_         = TeSTRING;
    at.rep_.numChar_      = length;
    at.rep_.name_         = id;
    at.rep_.isPrimaryKey_ = true;

    attList.push_back(at);

	TeTable attTable(TableName, attList, id, id, TeAttrStatic);

	PrintSilent("Creating static table \'%s\' on layer \'%s\' ... ", TableName.c_str(), LayerName.c_str());
	if( !Layer()->createAttributeTable(attTable) )
	{
		stringstream err;
		err << "Could not create the table:"
			<< Database->errorMessage() << endl;
		error( StreamToChar(err) );
	}
	PrintSilentYes;

	if(genids) CreateLinkIds(id);
}
Ejemplo n.º 2
0
bool TeSQLite::getAttributeList(const string& tableName,TeAttributeList& attList)
{
	if(!tableExist(tableName))
	{
		return false;
	}

	TeDatabasePortal* portal = this->getPortal();
	if (!portal)
		return false;

	string sql = "PRAGMA table_info(" + tableName + ")";
	if (!portal->query(sql))
	{
		delete portal;
		return false;
	}

	while(portal->fetchRow())
	{
		TeAttribute attr;
		attr.rep_.name_ = portal->getData("name");
		attr.rep_.isPrimaryKey_ = portal->getBool("pk");
		attr.rep_.null_ = !portal->getBool("notnull");
		attr.rep_.defaultValue_ = portal->getData("dflt_value");

		std::string type = portal->getData("type");
		if(type == "TEXT")
		{
			attr.rep_.type_ = TeSTRING;
		}
		else if(type == "INTEGER")
		{
			attr.rep_.type_ = TeINT;
		}
		else if(type == "REAL")
		{
			attr.rep_.type_ = TeREAL;
		}
		else if(type == "BLOB")
		{
			attr.rep_.type_ = TeBLOB;
		}
		else
		{
			attr.rep_.type_ = TeSTRING;
		}

		attList.push_back(attr);
	}

	delete portal;

	return true;
}
void
createCoverageMetadataTable(TeLayer* layer, std::string& metadataTableName)
{
    TeAttributeList attList;

    TeAttribute coverageIdAtt;
    coverageIdAtt.rep_.type_ = TeSTRING;
    coverageIdAtt.rep_.numChar_ = 25;
    coverageIdAtt.rep_.name_ = "coverage_id";
    coverageIdAtt.rep_.isPrimaryKey_ = true;
	attList.push_back(coverageIdAtt);

    TeAttribute dimensionIdAtt;
    dimensionIdAtt.rep_.type_ = TeINT;
    dimensionIdAtt.rep_.name_ = "dimension_id";
    dimensionIdAtt.rep_.isPrimaryKey_ = true;
    attList.push_back(dimensionIdAtt);

    TeAttribute dataTypeAtt;
    dataTypeAtt.rep_.type_ = TeINT;
    dataTypeAtt.rep_.name_ = "data_type";
    dataTypeAtt.rep_.isPrimaryKey_ = false;
    attList.push_back(dataTypeAtt);

    TeAttribute nameAtt;
    nameAtt.rep_.type_ = TeSTRING;
    nameAtt.rep_.numChar_ = 25;
    nameAtt.rep_.name_ = "name";
    nameAtt.rep_.isPrimaryKey_ = false;
	attList.push_back(nameAtt);

    if (!layer->database()->createTable(metadataTableName, attList))
    {
        std::string errorMsg = "Couldn't create table '" + metadataTableName + "'.";
        throw TeException(UNKNOWN_ERROR_TYPE, errorMsg, false);
    }
}
void
createCoverageLayerTable(TeLayer* layer, std::string& tableName)
{
    TeAttributeList attList;
    
    TeAttribute geomIdAtt;
    geomIdAtt.rep_.type_ = TeINT;
    geomIdAtt.rep_.name_ = "geom_id";
    geomIdAtt.rep_.isPrimaryKey_ = true;
    geomIdAtt.rep_.isAutoNumber_ = true;
    attList.push_back(geomIdAtt);

    TeAttribute coverageIdAtt;
    coverageIdAtt.rep_.type_ = TeSTRING;
    coverageIdAtt.rep_.numChar_ = 25;
    coverageIdAtt.rep_.name_ = "coverage_id";
    coverageIdAtt.rep_.isPrimaryKey_ = false;
	attList.push_back(coverageIdAtt);

    TeAttribute coverageTableAtt;
    coverageTableAtt.rep_.type_ = TeSTRING;
    coverageTableAtt.rep_.numChar_ = 255;
    coverageTableAtt.rep_.name_ = "coverage_table";
    coverageTableAtt.rep_.isPrimaryKey_ = false;
	attList.push_back(coverageTableAtt);

    TeAttribute lowerXAtt;
    lowerXAtt.rep_.type_ = TeREAL;
    lowerXAtt.rep_.name_ = "lower_x";
    attList.push_back(lowerXAtt);

    TeAttribute lowerYAtt;
    lowerYAtt.rep_.type_ = TeREAL;
    lowerYAtt.rep_.name_ = "lower_y";
    attList.push_back(lowerYAtt);

    TeAttribute upperXAtt;
    upperXAtt.rep_.type_ = TeREAL;
    upperXAtt.rep_.name_ = "upper_x";
    attList.push_back(upperXAtt);

    TeAttribute upperYAtt;
    upperYAtt.rep_.type_ = TeREAL;
    upperYAtt.rep_.name_ = "upper_y";
    attList.push_back(upperYAtt);

    if (!layer->database()->createTable(tableName, attList))
    {
        std::string errorMsg = "Couldn't create table '" + tableName + "'.";
        throw TeException(UNKNOWN_ERROR_TYPE, errorMsg, false);
    }
}
void aRTexternaltable::Create(SEXP options)
{
	string id  = GET_STRING_ELEMENT  (options, aRTstrId);
	int length = GET_INTEGER_ELEMENT (options, "length");

	TeAttributeList attList;
	TeAttribute at;
			
    at.rep_.type_         = TeSTRING;
    at.rep_.numChar_      = length;
    at.rep_.name_         = id;
    at.rep_.isPrimaryKey_ = true;

    attList.push_back(at);
	//TeAttrTableType atttype; // apaguei aqui 2011/04/22
	string link = "";
	//atttype = TeAttrExternal;

	if( !Database->createTable(TableName, attList))
		{
			stringstream err;
			err << "Could not create the table:"
				<< Database->errorMessage() << endl;
			delete this;
			error( StreamToChar(err) );
		}
		
	TeTable attTable(TableName, attList, id, "", TeAttrExternal);

	if( !Database->insertTableInfo(-1, attTable))
	{
		stringstream err;
		err << "Could not make the table external:"
			<< Database->errorMessage() << endl;
		delete this;
		error( StreamToChar(err) );
	}
/*
	TeTable attTable(TableName, attList, id, link, atttype);

	if( !Layer()->createAttributeTable(attTable) )
	{
		stringstream err;
		err << "Could not create the table:"
			<< Database->errorMessage() << endl;
		error( StreamToChar(err) );
	}*/
}
void
createCoverageTable(TeLayer* layer, std::string& tableName)
{
    TeAttributeList attList;
    
    TeAttribute blockIdAtt;

    blockIdAtt.rep_.type_ = TeINT;
    blockIdAtt.rep_.name_ = "block_id";
    blockIdAtt.rep_.isPrimaryKey_ = true;
    attList.push_back(blockIdAtt);

    TeAttribute lowerXAtt;
    lowerXAtt.rep_.type_ = TeREAL;
    lowerXAtt.rep_.name_ = "lower_x";
    attList.push_back(lowerXAtt);

    TeAttribute lowerYAtt;
    lowerYAtt.rep_.type_ = TeREAL;
    lowerYAtt.rep_.name_ = "lower_y";
    attList.push_back(lowerYAtt);

    TeAttribute upperXAtt;
    upperXAtt.rep_.type_ = TeREAL;
    upperXAtt.rep_.name_ = "upper_x";
    attList.push_back(upperXAtt);

    TeAttribute upperYAtt;
    upperYAtt.rep_.type_ = TeREAL;
    upperYAtt.rep_.name_ = "upper_y";
    attList.push_back(upperYAtt);

    TeAttribute numElementsAtt;
    numElementsAtt.rep_.type_ = TeINT;
    numElementsAtt.rep_.name_ = "num_elements";
    attList.push_back(numElementsAtt);

    TeAttribute spatialDataAtt;
    spatialDataAtt.rep_.type_ = TeBLOB;
    spatialDataAtt.rep_.name_ = "spatial_data";
    attList.push_back(spatialDataAtt);

    if (!layer->database()->createTable(tableName, attList))
    {
        std::string errorMsg = "Couldn't create table '" + tableName + "'.";
        throw TeException(UNKNOWN_ERROR_TYPE, errorMsg, false);
    }

}
bool updateDB20To30(TeDatabase* db, string& errorMessage)
{
	TeAttribute fattr;

	// ----- te_grouping 

	if(db->columnExist("te_grouping", "grouping_function", fattr) == false)
	{
		TeAttributeRep atRep;
		atRep.type_ = TeSTRING;
		atRep.name_ = "grouping_function";
		atRep.numChar_ = 10;
		if(db->addColumn("te_grouping", atRep) == false)
		{
			errorMessage = "The column grouping_function could not be appended!\n";
			errorMessage += db->errorMessage();
			return false;
		}

		string upd;
		if(db->columnExist("te_theme_application", "group_function", fattr))
		{
			upd =	" UPDATE te_grouping g, te_theme_application ta ";
			upd +=	" SET g.grouping_function = ta.group_function ";
			upd +=	" WHERE ta.theme_id = g.theme_id ";

			if(!db->execute (upd))
			{
				errorMessage = db->errorMessage();
				return false;
			}

			db->deleteColumn("te_theme_application", "group_function");
		}
		else
		{
			upd =	" UPDATE te_grouping g ";
			upd +=	" SET g.grouping_function = 'AVG' ";
			
			if(!db->execute (upd))
			{
				errorMessage = db->errorMessage();
				return false;
			}
		}
	}

	// ----- te_theme_application

	if(db->columnExist("te_theme_application", "chart_function", fattr) == false)
	{
		TeAttributeRep atRep;
		atRep.type_ = TeSTRING;
		atRep.name_ = "chart_function";
		atRep.numChar_ = 10;
		if(db->addColumn("te_theme_application", atRep) == false)
		{
			errorMessage = "The column chart_function could not be appended!\n";
			errorMessage += db->errorMessage();
			return false;
		}
		db->execute("UPDATE te_theme_application SET chart_function = 'AVG'");
	}

	// ----- te_theme 
	if(db->columnExist("te_theme", "visible_rep", fattr) == false)
	{
		TeAttributeRep atRep;
		atRep.type_ = TeINT;
		atRep.name_ = "visible_rep";
		if(db->addColumn("te_theme", atRep) == false)
		{
			errorMessage = "The column visible_rep could not be appended!\n";
			errorMessage += db->errorMessage();
			return false;
		}

		atRep.name_ = "enable_visibility";
		if(db->addColumn("te_theme", atRep) == false)
		{
			errorMessage = "The column enable_visibility could not be appended!\n";
			errorMessage += db->errorMessage();
			return false;
		}

		string upd = " UPDATE te_theme t, te_theme_application ta ";
		upd +=       " SET t.visible_rep = ta.visible_rep ";
		upd +=       " WHERE ta.theme_id = t.theme_id ";
		if(!db->execute (upd))
		{
			errorMessage = db->errorMessage();
			return false;
		}

		upd =		 " UPDATE te_theme t, te_theme_application ta ";
		upd +=       " SET t.enable_visibility = ta.enable_visibility ";
		upd +=       " WHERE ta.theme_id = t.theme_id ";
		if(!db->execute (upd))
		{
			errorMessage = db->errorMessage();
			return false;
		}
			
		db->deleteColumn("te_theme_application", "visible_rep");
		db->deleteColumn("te_theme_application", "enable_visibility");
	}

	//if for ADO passar todas as tabelas para aceitar comprimento iguel a zero!!!
	if(db->dbmsName() == "Ado")
	{
		//te_layer 
		//te_layer_table
		db->allowEmptyString ("te_layer_table", "attr_initial_time");
		db->allowEmptyString ("te_layer_table", "attr_final_time");
		db->allowEmptyString ("te_layer_table", "user_name");

		//te_representation
		db->allowEmptyString ("te_representation", "description");
		
		//te_view
		db->allowEmptyString ("te_view", "user_name");

		//te_visual
		db->allowEmptyString ("te_visual", "lib_name");
		db->allowEmptyString ("te_visual", "contour_lib_name");
		db->allowEmptyString ("te_visual", "family");

		//te_legend
		db->allowEmptyString ("te_legend", "lower_value");
		db->allowEmptyString ("te_legend", "upper_value");
		db->allowEmptyString ("te_legend", "label");
		
		//te_theme
		db->allowEmptyString ("te_theme", "generate_attribute_where");
		db->allowEmptyString ("te_theme", "generate_spatial_where");
		db->allowEmptyString ("te_theme", "generate_temporal_where");
		db->allowEmptyString ("te_theme", "collection_table");

		//te_grouping
		db->allowEmptyString ("te_grouping", "grouping_attr");
		db->allowEmptyString ("te_grouping", "grouping_norm_attr");
		db->allowEmptyString ("te_grouping", "grouping_function");

		//te_theme_application
		db->allowEmptyString ("te_theme_application", "refine_attribute_where");
		db->allowEmptyString ("te_theme_application", "refine_spatial_where");
		db->allowEmptyString ("te_theme_application", "refine_temporal_where");
		db->allowEmptyString ("te_theme_application", "grouping_color");
		db->allowEmptyString ("te_theme_application", "pie_dimension_attr");
		db->allowEmptyString ("te_theme_application", "text_table");
		db->allowEmptyString ("te_theme_application", "chart_function");
	}

	//------------ auxiliary collection  
	TeDatabasePortal* portal = db->getPortal();
	if(!portal)
		return false;

	string sql = " SELECT theme_id, visible_rep FROM te_theme ";
	if(!portal->query(sql))
	{
		delete portal;
		return true;
	}

	while(portal->fetchRow ())
	{
		string	themeId = portal->getData(0);
		int		visRep  = atoi(portal->getData(1));

		string collExtTable = "te_collection_"+ themeId +"_aux";
		
		if	((db->tableExist("te_collection_"+ themeId)) && 
			((visRep & TeRASTER) != TeRASTER)			 && 
			(!db->tableExist(collExtTable)))
		{
			TeTheme* theme = new TeTheme();
			theme->id(atoi(themeId.c_str()));
			if(!db->loadTheme (theme))
			{
				delete portal;
				return false;
			}

			string up = "UPDATE " + theme->collectionTable() + " SET c_object_status = 0";
			up += " WHERE c_object_status <> " + Te2String(theme->pointingLegend().id());
			up += " AND c_object_status <> " + Te2String(theme->queryLegend().id());
			up += " AND c_object_status <> " + Te2String(theme->queryAndPointingLegend().id());
			db->execute(up);

			up = "UPDATE " + theme->collectionTable() + " SET c_object_status = 1";
			up += " WHERE c_object_status = " + Te2String(theme->pointingLegend().id());
			db->execute(up);

			up = "UPDATE " + theme->collectionTable() + " SET c_object_status = 2";
			up += " WHERE c_object_status = " + Te2String(theme->queryLegend().id());
			db->execute(up);

			up = "UPDATE " + theme->collectionTable() + " SET c_object_status = 3";
			up += " WHERE c_object_status = " + Te2String(theme->queryAndPointingLegend().id());
			db->execute(up);

			if ((!theme->createCollectionAuxTable()) || (!theme->populateCollectionAux())) 
			{
				errorMessage = "Fail to mount the auxiliary table of the collection!\n";
				errorMessage += db->errorMessage();
				delete portal;
				return false;
			}

			theme->collectionAuxTable(collExtTable);
			theme->addThemeTable(collExtTable);
					
			string oldTCE = theme->collectionTable() + "_ext";
			if (db->tableExist(oldTCE))
			{
				string delTable = "DROP TABLE " + oldTCE;
				db->execute(delTable);
			}
		}
		
	}
	//------------ end auxiliary collection  

	portal->freeResult();

	//------------ text table  
	// if text table have not text visual table associated, create it
	string sel = "SELECT geom_table FROM te_representation WHERE";
	sel += " geom_type = " + Te2String(TeTEXT);
	if(portal->query(sel))
	{
		while(portal->fetchRow())
		{
			string table = portal->getData(0);
			string tvis = table + "_txvisual";
			if(!db->tableExist(tvis))
			{
				TeAttributeList atl;
				TeAttribute		at;

				at.rep_.name_ = "geom_id";
				at.rep_.type_ = TeINT;
				at.rep_.numChar_ = 0;
				at.rep_.isPrimaryKey_ = true;
				atl.push_back(at);

				at.rep_.isPrimaryKey_ = false;
				at.rep_.name_ = "dot_height";
				at.rep_.type_ = TeINT;
				atl.push_back(at);

				at.rep_.name_ = "fix_size";
				at.rep_.type_ = TeINT;
				atl.push_back(at);

				at.rep_.name_ = "color";
				at.rep_.type_ = TeINT;
				atl.push_back(at);

				at.rep_.name_ = "family";
				at.rep_.type_ = TeSTRING;
				at.rep_.numChar_ = 128;
				atl.push_back(at);

				at.rep_.name_ = "bold";
				at.rep_.type_ = TeINT;
				at.rep_.numChar_ = 0;
				atl.push_back(at);

				at.rep_.name_ = "italic";
				at.rep_.type_ = TeINT;
				atl.push_back(at);

				db->createTable(tvis, atl);
				string fk = "fk_" + tvis;
				db->createRelation(fk, tvis, "geom_id", table, "geom_id", true);
				string ins = "INSERT INTO " + tvis + " (geom_id) SELECT geom_id FROM " + table;
				db->execute(ins);

				string popule = "UPDATE " + tvis;
				popule += " SET dot_height = 12";
				popule += ", fix_size = 0";
				popule += ", color = 16711680";
				popule += ", family = 'verdana'";
				popule += ", bold = 1";
				popule += ", italic = 0";
				if(!db->execute(popule))
				{
					errorMessage = "Fail to generate the text visual table!\n";
					errorMessage += db->errorMessage();
					delete portal;
					return false;;
				}
			}
		}
	}
	//------------ end text table  
	delete portal;
	return true;
}
bool updateDB310To311(TeDatabase* db, string& errorMessage)
{
	string sql = " SELECT collection_table FROM te_theme ";
	TeDatabasePortal* portal = db->getPortal();
	if(!portal)
		return false;

	if(!portal->query(sql))
	{
		delete portal;
		return false;
	}

	while(portal->fetchRow())
	{
		string tableName = portal->getData(0);
		if(!db->tableExist(tableName+"_aux"))
			continue;

		TeDatabasePortal* portal2 = db->getPortal();
		if(!portal2)
		{
			delete portal;
			return false;
		}

		sql = " SELECT * FROM "+ tableName+"_aux WHERE 1=2";
		if(!portal2->query(sql))
		{
			delete portal;
			delete portal2;
			return false;
		}

		TeAttributeList attrList;
		for(int i=0; i<portal2->numFields(); ++i)
		{
      TeAttribute attr = portal2->getAttribute(i);
      attr.rep_.isPrimaryKey_= false;
			if(TeConvertToUpperCase(portal2->getAttribute(i).rep_.name_) != "UNIQUE_ID" )
				attrList.push_back(attr);
		}

        delete portal2;

		//add new autonumber column
		TeAttribute attr;
		attr.rep_.name_= "unique_id" ;
		attr.rep_.type_= TeINT;
		attr.rep_.isAutoNumber_ = true;
		attr.rep_.isPrimaryKey_ = true;
		attrList.push_back(attr);
		
		//create new table 
		if(!db->createTable(tableName+"_aux2", attrList))
		{
			errorMessage = "Error creating table "+ tableName+"_aux2 !\n";
			errorMessage += db->errorMessage();
			delete portal;
			return false;
		}

		//insert records
		string ins = " INSERT INTO "+ tableName +"_aux2 ( ";
		string ins2 ="";
		for(unsigned int j=0; j<(attrList.size()-1); ++j)
		{
			if(j>0)
				ins2 += ",";
			ins2 += attrList[j].rep_.name_;
		}
		ins += ins2 +" ) SELECT "+ ins2;
		ins += " FROM "+ tableName+"_aux";
		if(!db->execute(ins))
		{
			errorMessage = "Error inserting table "+ tableName+"_aux2 !\n";
			errorMessage += db->errorMessage();
			delete portal;
			return false;
		}

		sql = " DROP TABLE "+ tableName+"_aux";
		if(db->tableExist(tableName+"_aux"))
		{
			if(!db->execute(sql))
			{
				errorMessage = "Error dropping table "+ tableName+"_aux2 !\n";
				errorMessage += db->errorMessage();
				delete portal;
				return false;
			}
		}
		
		if(!db->alterTable(tableName+"_aux2", tableName+"_aux"))
		{
			errorMessage = "Error renaming table "+ tableName+"_aux2 !\n";
			errorMessage += db->errorMessage();
			delete portal;
			return false;
		}
	}

	delete portal;
	return true;
}
Ejemplo n.º 9
0
bool TeExportPolygonSet2SHP( const TePolygonSet& ps,const std::string& base_file_name  )
{
    // creating files names
    std::string dbfFilename = base_file_name + ".dbf";
    std::string shpFilename = base_file_name + ".shp";

    // creating polygons attribute list ( max attribute size == 25 )
    TeAttributeList attList;
    TeAttribute at;
    at.rep_.type_ = TeSTRING;               //the id of the cell
    at.rep_.numChar_ = 25;
    at.rep_.name_ = "object_id_";
    at.rep_.isPrimaryKey_ = true;
	attList.push_back(at);
    
    /* DBF output file handle creation */
	DBFHandle hDBF = TeCreateDBFFile (dbfFilename, attList);
	if ( hDBF == 0 )
		return false;
    
    /* SHP output file handle creation */
    SHPHandle hSHP = SHPCreate( shpFilename.c_str(), SHPT_POLYGON );
    if( hSHP == 0 ) 
	{
      DBFClose( hDBF );
      return false;
    }
    
    /* Writing polygons */
    int iRecord = 0;
    int totpoints = 0;
    double  *padfX, *padfY;
    SHPObject       *psObject;
    int posXY, npoints, nelem;
    int nVertices;
    int* panParts;

    TePolygonSet::iterator itps;
    TePolygon poly;

    for (itps = ps.begin() ; itps != ps.end() ; itps++ ) {
      poly=(*itps);
      totpoints = 0;
      nVertices = poly.size();
      for (unsigned int n=0; n<poly.size();n++) {
        totpoints += poly[n].size();
      }

      panParts = (int *) malloc(sizeof(int) * nVertices);
      padfX = (double *) malloc(sizeof(double) * totpoints);
      padfY = (double *) malloc(sizeof(double) * totpoints);
      posXY = 0;
      nelem = 0;
      
      for (unsigned int l=0; l<poly.size(); ++l) {
        if (l==0) {
          if (TeOrientation(poly[l]) == TeCOUNTERCLOCKWISE) {
            TeReverseLine(poly[l]);
          }
        } else {
          if (TeOrientation(poly[l]) == TeCLOCKWISE) {
            TeReverseLine(poly[l]);
          }
        }
        
        npoints = poly[l].size();
        panParts[nelem]=posXY;
        
        for (int m=0; m<npoints; m++ ) {
          padfX[posXY] = poly[l][m].x_;
          padfY[posXY] = poly[l][m].y_;
          posXY++;
        }
        nelem++;
      }
                
      psObject = SHPCreateObject( SHPT_POLYGON, -1, nelem, panParts, NULL,
        posXY, padfX, padfY, NULL, NULL );
        
      int shpRes = SHPWriteObject( hSHP, -1, psObject );
      if (shpRes == -1 )
	  {
	      DBFClose( hDBF );
		  SHPClose( hSHP );
		  return false;
	  }
        
      SHPDestroyObject( psObject );
      free( panParts );
      free( padfX );
      free( padfY );

      // writing attributes - same creation order
      DBFWriteStringAttribute(hDBF, iRecord, 0, poly.objectId().c_str() );
            
      iRecord++;
    }
    
    DBFClose( hDBF );
    SHPClose( hSHP );
    return true;  
}
Ejemplo n.º 10
0
bool
TeExportQuerierToShapefile(TeQuerier* querier, const std::string& base)
{
	// check initial conditions
	if (!querier)
		return false;

	if (!querier->loadInstances())
		return false;

	// Get the list of attributes defined by the input querier
	bool onlyObjId = false;
	TeAttributeList qAttList = querier->getAttrList();
	if (qAttList.empty())
	{
		TeAttributeList qAttList;
		TeAttribute at;
		at.rep_.type_ = TeSTRING;               
		at.rep_.numChar_ = 100;
		at.rep_.name_ = "ID";
		at.rep_.isPrimaryKey_ = true;
		qAttList.push_back(at);
		onlyObjId = true;
	}

	// Handles to each type of geometries that will be created if necessary
	DBFHandle hDBFPol = 0;
	SHPHandle hSHPPol = 0;
	DBFHandle hDBFLin = 0;
	SHPHandle hSHPLin = 0;
	DBFHandle hDBFPt = 0;
	SHPHandle hSHPPt = 0;

	// Some auxiliary variables
    int totpoints;
    double*	padfX;
	double*	padfY;
    unsigned int nVertices;
    int* panPart;
    SHPObject *psObject;
    unsigned int posXY, npoints, nelem;
	int shpRes;

	// progress information
	if (TeProgress::instance())
		TeProgress::instance()->setTotalSteps(querier->numElemInstances());
	clock_t	t0, t1, t2;
	t2 = clock();
	t0 = t1 = t2;
	int dt = CLOCKS_PER_SEC/2;
	int dt2 = CLOCKS_PER_SEC; //* .000001;

	// Loop through the instances writting their geometries and attributes
	unsigned int iRecPol=0, iRecLin=0, iRecPt=0;
	unsigned int n, l, m;
	unsigned int nIProcessed = 0;
	TeSTInstance st;
	while(querier->fetchInstance(st))
	{
		totpoints = 0;
		nVertices = 0;
		if (st.hasPolygons())
		{
			TePolygonSet& polSet = st.getPolygons();
			TePolygonSet::iterator itps;
			int nVerticesCount = 0;
			for (itps = polSet.begin(); itps != polSet.end(); ++itps) 
			{
				nVertices = (*itps).size();
				nVerticesCount += nVertices;
				for (n=0; n<nVertices;++n) 
					totpoints += (*itps)[n].size();
			}

			panPart = (int *) malloc(sizeof(int) * nVerticesCount);
			padfX = (double *) malloc(sizeof(double) * totpoints);
			padfY = (double *) malloc(sizeof(double) * totpoints);

			posXY = 0;
			nelem = 0;
			for (itps = polSet.begin(); itps != polSet.end(); ++itps) 
			{
				TePolygon poly = *itps;
				for (l=0; l<poly.size(); ++l) 
				{
					if (l==0) 
					{
						if (TeOrientation(poly[l]) == TeCOUNTERCLOCKWISE) 
							TeReverseLine(poly[l]);
					}
					else 
					{
						if (TeOrientation(poly[l]) == TeCLOCKWISE)
							TeReverseLine(poly[l]);
					}
					npoints = poly[l].size();
					panPart[nelem]=posXY;
        
					for (m=0; m<npoints; ++m) 
					{
						padfX[posXY] = poly[l][m].x_;
						padfY[posXY] = poly[l][m].y_;
						posXY++;
					}
					nelem++;
				}
			}
			psObject = SHPCreateObject(SHPT_POLYGON, -1, nelem, panPart, NULL, posXY, padfX, padfY, NULL, NULL);
			if (hSHPPol == 0)
			{
				string fname = base + "_pol.shp";
				hSHPPol = SHPCreate(fname.c_str(), SHPT_POLYGON);
   				assert (hSHPPol != 0);
			}	
			shpRes = SHPWriteObject(hSHPPol, -1, psObject);
			SHPDestroyObject(psObject);
			free(panPart);
			free(padfX);
			free(padfY);
			assert(shpRes != -1);   
			if (hDBFPol == 0)
			{
				hDBFPol = TeCreateDBFFile(base + "_pol.dbf", qAttList);
				assert (hDBFPol != 0);
			}
			if (onlyObjId)
			{
				DBFWriteStringAttribute(hDBFPol, iRecPol, 0, st.objectId().c_str());
			}
			else
			{
				string val;
				for (n=0; n<qAttList.size();++n) 
				{
					st.getPropertyValue(val,n);
					if (qAttList[n].rep_.type_ == TeSTRING || qAttList[n].rep_.type_ == TeDATETIME)
					{
						DBFWriteStringAttribute(hDBFPol, iRecPol, n, val.c_str());
					}
					else if (qAttList[n].rep_.type_ == TeINT)
					{
						DBFWriteIntegerAttribute(hDBFPol, iRecPol, n, atoi(val.c_str()));
					}
					else if (qAttList[n].rep_.type_ == TeREAL)
					{
						DBFWriteDoubleAttribute(hDBFPol, iRecPol, n, atof(val.c_str()));
					}
				}
			}
			++iRecPol;
		}
		if (st.hasCells())
		{
			TeCellSet& cellSet = st.getCells();
			nVertices = cellSet.size();
			totpoints = nVertices*5;
			panPart = (int *) malloc(sizeof(int) * nVertices);
			padfX = (double *) malloc(sizeof(double) * totpoints);
			padfY = (double *) malloc(sizeof(double) * totpoints);
			posXY = 0;
			nelem = 0;
			TeCellSet::iterator itcs;
			for (itcs=cellSet.begin(); itcs!=cellSet.end(); ++itcs)
			{
				panPart[nelem]=posXY;
				padfX[posXY] = (*itcs).box().lowerLeft().x();
				padfY[posXY] = (*itcs).box().lowerLeft().y();
				posXY++;		
				padfX[posXY] = (*itcs).box().upperRight().x();
				padfY[posXY] = (*itcs).box().lowerLeft().y();
				posXY++;		
				padfX[posXY] = (*itcs).box().upperRight().x();
				padfY[posXY] = (*itcs).box().upperRight().y();
				posXY++;		
				padfX[posXY] = (*itcs).box().lowerLeft().x();
				padfY[posXY] = (*itcs).box().upperRight().y();
				posXY++;		
				padfX[posXY] = (*itcs).box().lowerLeft().x();
				padfY[posXY] = (*itcs).box().lowerLeft().y();
				++posXY;	
				++nelem;
			} 
			psObject = SHPCreateObject(SHPT_POLYGON, -1, nelem, panPart, NULL,posXY, padfX, padfY, NULL, NULL);
			if (hSHPPol == 0)
			{
				string fname = base + "_pol.shp";
				hSHPPol = SHPCreate(fname.c_str(), SHPT_POLYGON);
   				assert (hSHPPol != 0);
			}	
			shpRes = SHPWriteObject(hSHPPol, -1, psObject);
			SHPDestroyObject(psObject);
			free(panPart);
			free(padfX);
			free(padfY);
			assert(shpRes != -1);
			if (hDBFPol == 0)
			{
				hDBFPol = TeCreateDBFFile(base + "_pol.dbf", qAttList);
				assert (hDBFPol != 0);
			}

			if (onlyObjId)
			{
				DBFWriteStringAttribute(hDBFPol, iRecPol, 0, st.objectId().c_str());
			}
			else
			{
				string val;
				for (n=0; n<qAttList.size();++n) 
				{
					st.getPropertyValue(val,n);
					if (qAttList[n].rep_.type_ == TeSTRING || qAttList[n].rep_.type_ == TeDATETIME)
					{
						DBFWriteStringAttribute(hDBFPol, iRecPol, n, val.c_str());
					}
					else if (qAttList[n].rep_.type_ == TeINT)
					{
						DBFWriteIntegerAttribute(hDBFPol, iRecPol, n, atoi(val.c_str()));
					}
					else if (qAttList[n].rep_.type_ == TeREAL)
					{
						DBFWriteDoubleAttribute(hDBFPol, iRecPol, n, atof(val.c_str()));
					}
				}
			}
			++iRecPol;
		}
		if (st.hasLines())
		{
			TeLineSet& lineSet = st.getLines();
			nVertices = lineSet.size();
			TeLineSet::iterator itls;
			for (itls=lineSet.begin(); itls!=lineSet.end(); ++itls)
				totpoints += (*itls).size();
			panPart = (int *) malloc(sizeof(int) * nVertices);
			padfX = (double *) malloc(sizeof(double) * totpoints);
			padfY = (double *) malloc(sizeof(double) * totpoints);
			posXY = 0;
			nelem = 0;
			for (itls=lineSet.begin(); itls!=lineSet.end(); ++itls)
			{
				panPart[nelem]=posXY;
				for (l=0; l<(*itls).size(); ++l)
				{
					padfX[posXY] = (*itls)[l].x();
					padfY[posXY] = (*itls)[l].y();
					++posXY;
				}
				++nelem;
			}
			psObject = SHPCreateObject(SHPT_ARC, -1, nVertices, panPart, NULL,	posXY, padfX, padfY, NULL, NULL);
			if (hSHPLin == 0)
			{
				string fname = base + "_lin.shp"; 
				hSHPLin = SHPCreate(fname.c_str(), SHPT_ARC);
   				assert (hSHPLin != 0);
			}		
			shpRes = SHPWriteObject(hSHPLin, -1, psObject);
			SHPDestroyObject(psObject);
			free(panPart);
			free(padfX);
			free(padfY);
			assert(shpRes != -1);
			if (hDBFLin == 0)
			{
				hDBFLin = TeCreateDBFFile(base + "_lin.dbf", qAttList);
				assert (hDBFLin != 0);
			}
			if (onlyObjId)
			{
				DBFWriteStringAttribute(hDBFLin, iRecLin, 0, st.objectId().c_str());
			}
			else
			{
				string val;
				for (n=0; n<qAttList.size();++n) 
				{
					st.getPropertyValue(val,n);
					if (qAttList[n].rep_.type_ == TeSTRING || qAttList[n].rep_.type_ == TeDATETIME)
					{
						DBFWriteStringAttribute(hDBFLin, iRecLin, n, val.c_str());
					}
					else if (qAttList[n].rep_.type_ == TeINT)
					{
						DBFWriteIntegerAttribute(hDBFLin, iRecLin, n, atoi(val.c_str()));
					}
					else if (qAttList[n].rep_.type_ == TeREAL)
					{
						DBFWriteDoubleAttribute(hDBFLin, iRecLin, n, atof(val.c_str()));
					}
				}
			}
			++iRecLin;
		}
		if (st.hasPoints())
		{
			TePointSet& pointSet = st.getPoints();
			nVertices = pointSet.size();
			panPart = (int *) malloc(sizeof(int) * nVertices);
			padfX = (double *) malloc(sizeof(double) * nVertices);
			padfY = (double *) malloc(sizeof(double) * nVertices);
			nelem = 0;
			TePointSet::iterator itpts;
			for (itpts=pointSet.begin(); itpts!=pointSet.end(); ++itpts)
			{
				panPart[nelem] = nelem;
				padfX[nelem] = (*itpts).location().x();
				padfY[nelem] = (*itpts).location().y();
				++nelem;
			}
			psObject = SHPCreateObject(SHPT_POINT, -1, nVertices, panPart, NULL, nVertices, padfX, padfY, NULL, NULL );
			if (hSHPPt == 0)
			{
				string fname = base + "_pt.shp";
				hSHPPt = SHPCreate(fname.c_str(), SHPT_POINT);
   				assert (hSHPPt != 0);
			}		
			shpRes = SHPWriteObject(hSHPPt, -1, psObject);
			SHPDestroyObject(psObject);
			free(panPart);
			free(padfX);
			free(padfY);
			assert(shpRes != -1);
			if (hDBFPt == 0)
			{
				hDBFPt = TeCreateDBFFile(base + "_pt.dbf", qAttList);
				assert (hDBFPt != 0);
			}
			if (onlyObjId)
			{
				DBFWriteStringAttribute(hDBFPt, iRecPt, 0, st.objectId().c_str());
			}
			else
			{
				string val;
				for (n=0; n<qAttList.size();++n) 
				{
					st.getPropertyValue(val,n);
						if (qAttList[n].rep_.type_ == TeSTRING || qAttList[n].rep_.type_ == TeDATETIME)
					{
						DBFWriteStringAttribute(hDBFPt, iRecPt, n, val.c_str());
					}
					else if (qAttList[n].rep_.type_ == TeINT)
					{
						DBFWriteIntegerAttribute(hDBFPt, iRecPt, n, atoi(val.c_str()));
					}
					else if (qAttList[n].rep_.type_ == TeREAL)
					{
						DBFWriteDoubleAttribute(hDBFPt, iRecPt, n, atof(val.c_str()));
					}
				}
			}
			++iRecPt;
		}
		++nIProcessed;
		if (TeProgress::instance() && int(t2-t1) > dt)
		{
			t1 = t2;
			if(((int)(t2-t0) > dt2))
			{
				if (TeProgress::instance()->wasCancelled())
					break;
				else
					TeProgress::instance()->setProgress(nIProcessed);
			}
		}

	}
	if (hDBFPol != 0)
		DBFClose(hDBFPol);
	if (hSHPPol != 0)
        SHPClose(hSHPPol);
	if (hDBFLin != 0)
		DBFClose(hDBFLin);
	if (hSHPLin != 0)
        SHPClose(hSHPLin);
	if (hDBFPt != 0)
		DBFClose(hDBFPt);
	if (hSHPPt != 0)
        SHPClose(hSHPPt);

	if (TeProgress::instance())
		TeProgress::instance()->reset();
	return true;
}