File indexing completed on 2024-04-14 14:11:21

 /*
     SPDX-FileCopyrightText: 2007 James B. Bowlin <bowlin@mindspring.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "ksnumbers.h"
 #include "typedef.h"
 
 struct HighPMStar;
 class SkyMesh;
 
 /** @class HighPMStarList
  * Holds a list of stars with high proper motion along with the trixel each star
  * is currently located in.  The purpose of this class is to save some time by
  * only re-indexing the stars with high proper motion instead of the entire
  * collection of stars (which takes about 4 seconds on a AMD64 3600).
  *
  * Multiple HighPMStarList's can be used so we re-index a smaller number of
  * stars more frequently and a larger number of stars less frequently.
  *
  *
  * @author James B. Bowlin @version 0.1
 */
 
 class HighPMStarList
 {
   public:
     /** @short Constructor */
     explicit HighPMStarList(double threshold);
     ~HighPMStarList();
 
     /**
      * @short adds the star located at trixel to the list if the pm is
      * greater than the threshold.  We also use the pm to determine the
      * update interval.  Returns true if the star was appended and false
      * otherwise.
      */
     bool append(Trixel trixel, StarObject *star, double pm);
 
     /** @short returns the threshold. */
     double threshold() const { return m_threshold; }
 
     /** @short returns the number of stars in the list. */
     int size() const { return m_stars.size(); }
 
     /**
      * @short sets the time this list was last indexed to.  Normally this
      * is done automatically in the reindex() routine but this is useful
      * if the entire starIndex gets re-indexed.
      */
     void setIndexTime(KSNumbers *num);
 
     /**
      * @short if the date in num differs from the last time we indexed by
      * more than our update interval then we re-index all the stars in our
      * list that have actually changed trixels.
      */
     bool reindex(KSNumbers *num, StarIndex *starIndex);
 
     /** @short prints out some brief statistics. */
     void stats();
 
   private:
     QVector<HighPMStar *> m_stars;
 
     KSNumbers m_reindexNum;
     double m_reindexInterval { 0 };
     double m_threshold { 0 };
     double m_maxPM { 0 };
 
     SkyMesh *m_skyMesh { nullptr };
 };