diff options
-rw-r--r-- | fileio/root.C | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fileio/root.C b/fileio/root.C index 24ed09a..9a959f5 100644 --- a/fileio/root.C +++ b/fileio/root.C @@ -48,6 +48,28 @@ struct Event { int nhit; std::vector<Channel> channel; + // Populate arrays of length nentries with hit, time, and charge + // information, indexed by channel ID + void get_channels(unsigned int nentries, int *hit, float *time, + float *charge) + { + for (unsigned int i=0; i < nentries; i++) { + hit[i] = 0; + time[i] = -1e9f; + charge[i] = -1e9f; + } + + for (unsigned int i=0; i < channel.size(); i++) { + unsigned int channel_id = channel[i].channel_id; + + if (channel_id < nentries) { + hit[channel_id] = 1; + time[channel_id] = channel[i].t; + charge[channel_id] = channel[i].q; + } + } + } + }; void fill_photons(Event *ev, bool start, |