DAP_Dataset.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) 2012 OPeNDAP, Inc.
// Author: 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.

#ifndef DAP_DATASET_H_
#define DAP_DATASET_H_

#include <string>
#include "AbstractDataset.h"
#include "wcsUtil.h"

using namespace std;

namespace libdap {

class Array;
class Grid;

/************************************************************************/
/* ==================================================================== */
/*                           DAP_Dataset                            */
/* ==================================================================== */
/************************************************************************/


class DAP_Dataset : public AbstractDataset {
protected:
    string m_ncLatDataSetName;
    string m_ncLonDataSetName;
    string m_ncCoverageIDName;

    // Instead of using names and opening files with GDAL,
    // store pointers to Arrays read by the underlying DAP
    // server constraint evaluator.
    Array *m_src;
    Array *m_lat;
    Array *m_lon;

    int mi_RectifiedImageXSize;
    int mi_RectifiedImageYSize;
    int mi_SrcImageXSize;
    int mi_SrcImageYSize;

    double mb_LatLonBBox[4];
    double mdSrcGeoMinX;
    double mdSrcGeoMinY;
    double mdSrcGeoMaxX;
    double mdSrcGeoMaxY;

    // This is not set until GetDAPArray() is called.
    double m_geo_transform_coef[6];

    vector<GDAL_GCP> m_gdalGCPs;

public:
    CPLErr SetGCPGeoRef4VRTDataset(GDALDataset*);
    void SetGeoBBoxAndGCPs(int xSize, int ySize);
    CPLErr RectifyGOESDataSet();
    CPLErr setResampleStandard(GDALDataset* hSrcDS, int& xRSValue, int& yRSValue);

    int isValidLatitude(const double &lat)
    {
        return (lat >= -90 && lat <= 90);
    }
    int isValidLongitude(const double &lon)
    {
        return (lon >= -180 && lon <= 180);
    }

    virtual CPLErr SetGeoTransform();
#if 0
    virtual CPLErr SetMetaDataList(GDALDataset* hSrcDS); //TODO Remove
#endif
    virtual CPLErr SetNativeCRS();
    virtual CPLErr SetGDALDataset(const int isSimple = 0);
    virtual CPLErr InitialDataset(const int isSimple = 0);
    virtual CPLErr GetGeoMinMax(double geoMinMax[]);

public:
    DAP_Dataset();
    DAP_Dataset(const string& id, vector<int> &rBandList);

    // Added jhrg 11/23/12
    DAP_Dataset(Array *src, Array *lat, Array *lon);
    Array *GetDAPArray();
    Grid *GetDAPGrid();

    virtual ~DAP_Dataset();
};

} // namespace libdap
#endif /* DAP_DATASET_H_ */