wcls::LazyFrameSource Class Reference

#include <LazyFrameSource.h>

Inheritance diagram for wcls::LazyFrameSource:

Public Member Functions
	LazyFrameSource ()
virtual	~LazyFrameSource ()
virtual void	visit (art::Event &event)
	IArtEventVisitor. More...
virtual bool	operator() (WireCell::IFrame::pointer &frame)
	IFrameSource. More...
virtual WireCell::Configuration	default_configuration () const
	IConfigurable. More...
virtual void	configure (const WireCell::Configuration &config)
Public Member Functions inherited from wcls::IArtEventVisitor
virtual	~IArtEventVisitor ()
virtual void	produces (art::ProducesCollector &collector)

Private Attributes
std::deque < WireCell::IFrame::pointer >	m_frames
art::InputTag	m_inputTag
double	m_tick
int	m_nticks
std::vector< std::string >	m_frame_tags

Detailed Description

Definition at line 24 of file LazyFrameSource.h.

Constructor & Destructor Documentation

LazyFrameSource::LazyFrameSource

(

)

Definition at line 117 of file LazyFrameSource.cxx.

    : m_nticks(0)
{
}

LazyFrameSource::~LazyFrameSource ( )

virtual

Definition at line 122 of file LazyFrameSource.cxx.

{
}

Member Function Documentation

void LazyFrameSource::configure ( const WireCell::Configuration &  config )

virtual

Definition at line 137 of file LazyFrameSource.cxx.

{
    const std::string art_tag = cfg["art_tag"].asString();
    if (art_tag.empty()) {
        THROW(ValueError() << errmsg{"LazyFrameSource requires a source_label"});
    }
    m_inputTag = cfg["art_tag"].asString();

    m_tick = cfg["tick"].asDouble();
    for (auto jtag : cfg["frame_tags"]) {
        m_frame_tags.push_back(jtag.asString());
    }
    m_nticks = get(cfg, "nticks", m_nticks);
}

WireCell::Configuration LazyFrameSource::default_configuration ( ) const

virtual

IConfigurable.

Definition at line 127 of file LazyFrameSource.cxx.

{
    Configuration cfg;
    cfg["art_tag"] = "";        // how to look up the raw digits
    cfg["tick"] = 0.5*WireCell::units::us;
    cfg["frame_tags"][0] = "orig"; // the tags to apply to this frame
    cfg["nticks"] = m_nticks; // if nonzero, truncate or baseline-pad frame to this number of ticks.
    return cfg;
}

bool LazyFrameSource::operator() ( WireCell::IFrame::pointer &  frame )

virtual

IFrameSource.

Definition at line 184 of file LazyFrameSource.cxx.

{
    frame = nullptr;
    if (m_frames.empty()) {
        return false;
    }
    frame = m_frames.front();
    m_frames.pop_front();
    return true;
}

void LazyFrameSource::visit ( art::Event &  event )

virtual

IArtEventVisitor.

Implements wcls::IArtEventVisitor.

Definition at line 163 of file LazyFrameSource.cxx.

{
    // fixme: want to avoid depending on DetectorPropertiesService for now.
    const double tick = m_tick;

    art::Handle< std::vector<raw::RawDigit> > rdvh;
    bool okay = event.getByLabel(m_inputTag, rdvh);
    if (!okay) {
        std::string msg = "LazyFrameSource failed to get vector<raw::RawDigit>: " + m_inputTag.encode();
        std::cerr << msg << std::endl;
        THROW(RuntimeError() << errmsg{msg});
    }
    else if (rdvh->size() == 0) return;
    const double time = tdiff(event.getRun().beginTime(), event.time());

    std::cerr << "LazyFrameSource: got " << rdvh->size() << " raw::RawDigit objects\n";

    m_frames.push_back(std::make_shared<LazyFrame>(rdvh, event.event(), time, tick, m_frame_tags));
    m_frames.push_back(nullptr);
}

Member Data Documentation

std::vector<std::string> wcls::LazyFrameSource::m_frame_tags

private

Definition at line 46 of file LazyFrameSource.h.

std::deque<WireCell::IFrame::pointer> wcls::LazyFrameSource::m_frames

private

Definition at line 42 of file LazyFrameSource.h.

art::InputTag wcls::LazyFrameSource::m_inputTag

private

Definition at line 43 of file LazyFrameSource.h.

int wcls::LazyFrameSource::m_nticks

private

Definition at line 45 of file LazyFrameSource.h.

double wcls::LazyFrameSource::m_tick

private

Definition at line 44 of file LazyFrameSource.h.

---

The documentation for this class was generated from the following files:

• LazyFrameSource.h
• LazyFrameSource.cxx