grid_utils.h

// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
 
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: Nathan Potter <npotter@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
 
#ifndef GRID_UTILS_H_
#define GRID_UTILS_H_
 
namespace libdap {
class DDS;
class BaseType;
class Grid;
 
class DMR;
class Array;
}
 
namespace functions {
 
class GSEClause;
struct gse_arg;         // in gse_parser.h
 
void get_grids(libdap::BaseType *bt, std::vector<libdap::Grid *> *grids);
void get_grids(libdap::DDS &dds, std::vector<libdap::Grid *> *grids);
bool is_geo_grid(libdap::Grid *d_grid);
 
void get_coverages(libdap::BaseType *bt, std::vector<libdap::Array *> *coverages);
void get_coverages(libdap::DMR &dmr, std::vector<libdap::Array *> *coverages);
bool is_geo_grid(libdap::Array *d_coverage);
 
void parse_gse_expression(gse_arg *arg, libdap::BaseType * expr);
void apply_grid_selection_expressions(libdap::Grid * grid, std::vector <GSEClause *>clauses);
void apply_grid_selection_expressions(libdap::Array * coverage, std::vector <GSEClause *>clauses);
 
}
 
#endif /* GRID_UTILS_H_ */