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[gromacs.git] / src / gromacs / selection.h
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35 /*! \defgroup module_selection Parsing and Evaluation of Analysis Selections (selection)
36 * \ingroup group_analysismodules
37 * \brief
38 * Provides functionality for initializing and evaluating selections.
40 * The core of the selection engine is accessed through
41 * gmx::SelectionCollection, which manages a set of selections.
42 * Documentation for that class explains the general selection mechanisms.
44 * For each selection that is parsed using a gmx::SelectionCollection, a
45 * gmx::Selection handle is returned and can be used to access information
46 * about that selection. gmx::SelectionPosition is a helper class used to
47 * access information about individual positions in a selection. These classes
48 * refer to internal state within the gmx::SelectionCollection, and their
49 * contents update automatically when the gmx::SelectionCollection is compiled
50 * or evaluated.
52 * This module also provides gmx::SelectionOption and gmx::SelectionOptionInfo
53 * classes for declaring options that evaluate to selections (see \ref
54 * module_options for general explanation of the options mechanism). These
55 * classes provide the main interface to obtain gmx::Selection objects in
56 * trajectory analysis using gmx::TrajectoryAnalysisModule.
57 * To use these classes outside the trajectory analysis framework,
58 * a gmx::SelectionOptionManager or a gmx::SelectionOptionBehavior needs to be
59 * created to serve as a bridge between the selection option classes and the
60 * gmx::SelectionCollection object.
61 * \if libapi
62 * gmx::SelectionFileOption can be used to implement generic file input for
63 * selection options (done internally within gmx::SelectionOptionBehavior).
65 * The selection module contains some lower-level functionality that is
66 * currently internal to it (centerofmass.h, indexutil.h, poscalc.h,
67 * position.h), but could possibly be useful also outside the module.
68 * It should be considered whether they should be moved somewhere else.
69 * \endif
71 * \author Teemu Murtola <teemu.murtola@gmail.com>
73 /*! \file
74 * \brief
75 * Public API convenience header for selection handling.
77 * \author Teemu Murtola <teemu.murtola@gmail.com>
78 * \inpublicapi
79 * \ingroup module_selection
81 #ifndef GMX_SELECTION_H
82 #define GMX_SELECTION_H
84 #include "gromacs/selection/selection.h"
85 #include "gromacs/selection/selectioncollection.h"
86 #include "gromacs/selection/selectionoption.h"
87 #include "gromacs/selection/selectionoptionbehavior.h"
88 #include "gromacs/selection/selectionoptionmanager.h"
90 #endif