Added GisBlob, GisGeometry, and GisTopology classes to ISIS for isisminer. Fixes #2398.

/**                                                                       

 * @file                                                                  

 * $Revision: 6084 $ 

 * $Date: 2015-03-04 18:17:45 -0700 (Wed, 04 Mar 2015) $ 

 * $Id: GisBlob.h 6084 2015-03-05 01:17:45Z kbecker@GS.DOI.NET $

 *                                                                        

 *   Unless noted otherwise, the portions of Isis written by the USGS are public

 *   domain. See individual third-party library and package descriptions for 

 *   intellectual property information,user agreements, and related information.

 *                                                                        

 *   Although Isis has been used by the USGS, no warranty, expressed or implied,

 *   is made by the USGS as to the accuracy and functioning of such software 

 *   and related material nor shall the fact of distribution constitute any such 

 *   warranty, and no responsibility is assumed by the USGS in connection 

 *   therewith.                                                           

 *                                                                        

 *   For additional information, launch                                   

 *   $ISISROOT/doc//documents/Disclaimers/Disclaimers.html in a browser or see 

 *   the Privacy & Disclaimers page on the Isis website,              

 *   http://isis.astrogeology.usgs.gov, and the USGS privacy and disclaimers on

 *   http://www.usgs.gov/privacy.html.                                    

 */                                                  

#include "GisBlob.h"

// Qt library

#include <QDebug>

#include <QString>

// other ISIS

#include "Blob.h"

#include "Cube.h"

namespace Isis {

  /** 

   * Constructs an Isis polygon-type Blob named "Footprint." 

   */

  GisBlob::GisBlob() : Blob("Footprint", "Polygon"), m_wkt() {

  }

  /** 

   * Constructs an Isis polygon-type Blob named "Footprint" and sets the

   * well-known text string that defines the polygon by reading the 

   * given cube.

   * @param cube 

   */

  GisBlob::GisBlob(Cube &cube) : Blob("Footprint", "Polygon"), m_wkt() {

    cube.read(*this);

    m_wkt = scrub(p_buffer, p_nbytes);

  }   

  /** 

   * Destroys the GisBlob object. 

   */

  GisBlob::~GisBlob() { 

  }

  /** 

   * Accesses the well-known text string that defines the polygon. 

   *  

   * @return QString A well-known text string containing the polygon definition.

   */

  QString GisBlob::polygon() const { 

    return (m_wkt); 

  }

  /** 

   * Sets the polygon using the given well-known text string. 

   *  

   * @param wkt A string containing the well-known text that defines a polygon.

   */

  void GisBlob::setPolygon(const QString &wkt) {

    delete [] p_buffer;

    p_nbytes = wkt.size();

    p_buffer = new char[p_nbytes+1];

    for (int i = 0 ; i < p_nbytes ; i++) {

      p_buffer[i] = wkt[i].toAscii();

    }

    p_buffer[p_nbytes] = 0;

    m_wkt = scrub(p_buffer, p_nbytes);

    return;

  }

  /** 

   * This method will scrub all zeros that prefix the given buffer and convert 

   * it to a string using the number of allocated bytes given.

   *  

   * @param rawbuf A pointer containing the raw buffer to be converted.

   * @param rbytes The number of bytes to be read in. 

   *  

   * @return QString A string converted from the given raw buffer.

   */

  QString GisBlob::scrub(const char *rawbuf, int rbytes) const {

    int i;

    for (i = 0 ; i < rbytes ; i++) {

      if (rawbuf[i] != 0) break;

    }

    int nbytes =  rbytes - i;

    return (QString::fromAscii(&rawbuf[i], nbytes));

  }

} // Namespace Isis

#ifndef GisBlob_h

#define GisBlob_h

/**                                                                       

 * @file                                                                  

 * $Revision: 6150 $ 

 * $Date: 2015-04-19 23:40:55 -0700 (Sun, 19 Apr 2015) $ 

 * $Id: GisBlob.h 6150 2015-04-20 06:40:55Z jwbacker@GS.DOI.NET $

 *                                                                        

 *   Unless noted otherwise, the portions of Isis written by the USGS are public

 *   domain. See individual third-party library and package descriptions for 

 *   intellectual property information,user agreements, and related information.

 *                                                                        

 *   Although Isis has been used by the USGS, no warranty, expressed or implied,

 *   is made by the USGS as to the accuracy and functioning of such software 

 *   and related material nor shall the fact of distribution constitute any such 

 *   warranty, and no responsibility is assumed by the USGS in connection 

 *   therewith.                                                           

 *                                                                        

 *   For additional information, launch                                   

 *   $ISISROOT/doc//documents/Disclaimers/Disclaimers.html in a browser or see 

 *   the Privacy & Disclaimers page on the Isis website,              

 *   http://isis.astrogeology.usgs.gov, and the USGS privacy and disclaimers on

 *   http://www.usgs.gov/privacy.html.                                    

 */            

// parent class

#include "Blob.h"

// Qt library

#include <QString>

namespace Isis {

  class Cube;

  /** 

   * This class creates a polygon-type Isis Blob named "Footprint". It inherits 

   * from the Isis Blob class. This Blob may be read from a given cube or the 

   * polygon maybe set using a wkt polygon string. 

   *  

   * @author 2012-07-15 Kris Becker 

   * @internal 

   *   @history 2012-07-15 Kris Becker - Original version.

   *   @history 2015-03-18 Jeannie Backer - Brought class files closer to ISIS coding standards.

   *   @history 2015-03-31 Jeannie Backer - Updated documentation.

   *   @history 2016-03-02 Ian Humphrey - Updated for coding standards compliance in preparation

   *                           for adding this class to ISIS. Fixes #2398.

   */

  class GisBlob : public Blob {

    public:

      GisBlob();

      GisBlob(Cube &cube);

      ~GisBlob();

      QString polygon() const;

      void setPolygon(const QString &wkt);

    private:

      QString scrub(const char *rawbuf, int rbytes)  const;

      QString m_wkt; //!< Well-known text string containing the polygon defintion for this GIS blob.

  };

} // Namespace Isis

#endif

ifeq ($(ISISROOT), $(BLANK))

.SILENT:

error:

	echo "Please set ISISROOT";

else

	include $(ISISROOT)/make/isismake.objs

endif

 No newline at end of file

#include <QDebug>

#include <QFile>

#include <QIODevice>

#include <QTextStream>

#include "Cube.h"

#include "GisBlob.h"

#include "IException.h"

#include "IString.h"

#include "Preference.h"

using namespace Isis;

using namespace std;

/**

 * Unit test for GisBlob class

 *

 *

 * @author 2016-02-23 Jeannie Backer

 *

 * @internal

 *   @history 2016-02-23 Jeannie Backer - Original version.

 *  

 */

int main() {

  try {

    Preference::Preferences(true);

    qDebug();

    qDebug() << "Testing GisBlob's constructor from cube...";

    QString inputFile = "$messenger/testData/EW0211286081G.lev1.cub";

    Cube cube;

    cube.open(inputFile);

    GisBlob cubeBlob(cube);

    qDebug() << "    Polygon = " << cubeBlob.polygon();

    qDebug();

    qDebug() << "Testing GisBlob's default constructor...";

    GisBlob blob;

    qDebug() << "    Polygon = " << blob.polygon();

    qDebug();

    qDebug() << "Adding WKT polygon to GisBlob...";

    /*

    QFile file("unitTest.wkt");

    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {

      throw IException(IException::Io, "Unable to open wkt file, [unitTest.wkt]", _FILEINFO_);

    }

    QString wkt;

    QTextStream stream(&file);

    wkt.append(stream.readAll());

    */

    QString wkt = cubeBlob.polygon();

    blob.setPolygon(wkt);

    qDebug() << "    Polygon = " << blob.polygon();

  }

  catch (IException &e) {

    qDebug();

    qDebug();

    QString msg = "**************** UNIT TEST FAILED! **************** ";

    IException(e, IException::Unknown, msg, _FILEINFO_).print();

  }

}