GridFunction.h

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// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
 
// Copyright (c) 2013 OPeNDAP, Inc.
// Author:  Nathan Potter <npotter@opendap.org>
//      James Gallagher <jgallagher@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.
 
#include <ServerFunction.h>
 
namespace libdap {
class BaseType;
class DDS;
} // namespace libdap
 
namespace functions {
 
void function_grid(int argc, libdap::BaseType *argv[], libdap::DDS &dds, libdap::BaseType **btpp);
 
class GridFunction : public libdap::ServerFunction {
public:
    GridFunction() {
        setName("grid");
        setDescriptionString("Subsets a grid by the values of it's geo-located map variables.");
        setUsageString("grid(...)");
        setRole("http://services.opendap.org/dap4/server-side-function/grid");
        setDocUrl("http://docs.opendap.org/index.php/Server_Side_Processing_Functions#grid");
        setFunction(function_grid);
        setVersion("1.0");
    }
    virtual ~GridFunction() {}
 
    bool canOperateOn(libdap::DDS &dds);
};
 
} // namespace functions