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grimes |
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#ifndef l1menu_TriggerRatePlot_h
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#define l1menu_TriggerRatePlot_h
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#include <memory>
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#include <string>
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//
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// Forward declarations
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//
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class TH1;
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namespace l1menu
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{
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class ITrigger;
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class IEvent;
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}
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namespace l1menu
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{
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/** @brief Class that plots trigger rates versus threshold.
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*
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* @author Mark Grimes (mark.grimes@bristol.ac.uk)
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* @date 24/May/2013
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*/
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class TriggerRatePlot
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{
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public:
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/** @brief Constructor that sets the trigger to plot for, the histogram to plot into, and the trigger parameter to vary.
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*
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* Note that the title of the histogram is modified to record the state of the trigger (all other parameters).
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*
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* @param[in] trigger The trigger that the plot will be created for. The trigger should be set exactly as you want
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* the plots made for it, e.g. with the correct eta cuts already set. The other thresholds are
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* not modified so you should set these to zero beforehand if that's what you want. The trigger
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* is copied so these cannot be changed afterwards.
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* @param[in] pHistogram The root histogram to fill with the rates. This should be set up with the required binning
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* beforehand. The title is changed to record the trigger name, version, parameter plotted against
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* and other parameter values.
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* @param[in] versusParameter The trigger parameter to plot along the x-axis. Defaults to "threshold1".
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*/
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TriggerRatePlot( const l1menu::ITrigger& trigger, std::unique_ptr<TH1> pHistogram, const std::string versusParameter="threshold1" );
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/** @brief Explicit rvalue constructor to allow moving of TriggerRatePlot objects. */
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TriggerRatePlot( l1menu::TriggerRatePlot&& otherTriggerRatePlot ) noexcept;
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/** @brief Explicit rvalue assignment operator to allow moving of TriggerRatePlot objects. */
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TriggerRatePlot& operator=( l1menu::TriggerRatePlot&& otherTriggerRatePlot ) noexcept;
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virtual ~TriggerRatePlot();
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void addEvent( const l1menu::IEvent& event ) const;
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/** @brief Returns the internal pointer to the root histogram. Ownership is retained by TriggerRatePlot. */
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TH1* getPlot();
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/** @brief Tells TriggerRatePlot to relinquish ownership of the internal root histogram. A pointer to the
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* histogram is also returned.
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*
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* Note that the pointer is still held so that further operations on this object are still valid,
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* just that the TH1 won't be deleted when the instance goes out of scope. */
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TH1* relinquishOwnershipOfPlot();
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protected:
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std::unique_ptr<l1menu::ITrigger> pTrigger_;
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std::unique_ptr<TH1> pHistogram_;
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/// The parameter to plot against, usually "threshold1";
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std::string versusParameter_;
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/// Flag to say whether the histogram should be deleted when this instance goes out of scope.
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bool histogramOwnedByMe_;
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};
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}
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#endif
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