text: /*ckwg +29
   * Copyright 2016 by Kitware, Inc.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   *  * Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   *
   *  * Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   *  * Neither the name Kitware, Inc. nor the names of any contributors may be
   *    used to endorse or promote products derived from this software without
   *    specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "NeckerReversalTool.h"
  
  #include <arrows/core/transform.h>
  
  #include <QMessageBox>
  
  //-----------------------------------------------------------------------------
  NeckerReversalTool::NeckerReversalTool(QObject* parent)
    : AbstractTool(parent)
  {
    this->setText("Reverse (&Necker)");
    this->setToolTip(
      "<nobr>Attempt to correct a degenerate refinement (which can occur due "
      "to</nobr> the Necker cube phenomena) by computing a best fit plane to "
      "the landmarks, mirroring the landmarks about said plane, and rotating "
      "the cameras 180&deg; about their respective optical axes and 180&deg; "
      "about the best fit plane normal where each camera's optical axis "
      "intersects said plane.");
  }
  
  //-----------------------------------------------------------------------------
  NeckerReversalTool::~NeckerReversalTool()
  {
  }
  
  //-----------------------------------------------------------------------------
  AbstractTool::Outputs NeckerReversalTool::outputs() const
  {
    return Cameras | Landmarks;
  }
  
  //-----------------------------------------------------------------------------
  bool NeckerReversalTool::execute(QWidget* window)
  {
    if (!this->hasLandmarks())
    {
      QMessageBox::information(
        window, "Insufficient data", "This operation requires landmarks.");
      return false;
    }
  
    return AbstractTool::execute(window);
  }
  
  //-----------------------------------------------------------------------------
  void NeckerReversalTool::run()
  {
    auto cp = this->cameras();
    auto lp = this->landmarks();
  
    kwiver::arrows::necker_reverse(cp, lp);
  
    this->updateCameras(cp);
    this->updateLandmarks(lp);
  }
  