def _apply_labels_ROOT(self, hist: Hist) -> None:
if self.title is not None:
hist.SetTitle(labels.use_label_with_root(self.title))
if self.x_label is not None:
hist.GetXaxis().SetTitle(labels.use_label_with_root(self.x_label))
if self.y_label is not None:
hist.GetYaxis().SetTitle(labels.use_label_with_root(self.y_label))
def post_projection_processing_for_2d_correlation(
hist: Hist,
normalization_factor: float,
title_label: str,
jet_pt: analysis_objects.JetPtBin,
track_pt: analysis_objects.TrackPtBin,
rebin_factors: Optional[Tuple[int, int]] = None) -> None:
""" Basic post processing tasks for a new 2D correlation observable.
Args:
hist: Histogram to be post processed.
normalization_factor: Factor by which the hist should be scaled.
title_label: Histogram title label.
jet_pt: Jet pt bin.
track_pt: Track pt bin.
rebin_factors: (x rebin factor, y rebin factor). Both values must be specified (can set to 1 if you
don't want to rebin a particular axis). Default: None.
Returns:
None. The histogram is modified in place.
"""
# If we specify a rebin factor, then rebin.
if rebin_factors is not None:
hist.Rebin2D(*rebin_factors)
# Scale
hist.Scale(1.0 / normalization_factor)
# Set title, axis labels
jet_pt_bins_title = labels.jet_pt_range_string(jet_pt)
track_pt_bins_title = labels.track_pt_range_string(track_pt)
hist.SetTitle(
rf"{title_label}\:\mathrm{{with}}\:{jet_pt_bins_title} \mathrm{{,}} {track_pt_bins_title}"
)
hist.GetXaxis().SetTitle(r"$\Delta\varphi$")
hist.GetYaxis().SetTitle(r"$\Delta\eta$")
def rho_centrality(rho_hist: Hist,
output_info: analysis_objects.PlottingOutputWrapper,
includes_constituent_cut: bool = True) -> None:
""" Plot rho as a function of centrality vs jet pt.
Args:
rho_hist: Rho centrality dependent hist.
output_info: Output information.
includes_constituent_cut: True if the plot was produced using the constituent cut.
Returns:
None. The figure is plotted.
"""
# Setup
import ROOT
canvas = ROOT.TCanvas("c", "c")
canvas.SetRightMargin(0.15)
# Set labels
rho_hist.SetTitle("")
rho_hist.Draw("colz")
# Keep the range more meaningful.
rho_hist.GetYaxis().SetRangeUser(0, 50)
# Draw a profile of the mean
rho_hist_profile = rho_hist.ProfileX(f"{rho_hist.GetName()}_profile")
rho_hist_profile.SetMarkerStyle(ROOT.kFullCircle)
rho_hist_profile.SetMarkerColor(ROOT.kRed)
rho_hist_profile.SetMarkerSize(1.4)
rho_hist_profile.Draw("same")
# Finally, save and cleanup
output_name = "rho_background"
if includes_constituent_cut:
output_name += "_3GeVConstituents"
plot_base.save_plot(output_info, canvas, output_name)
def post_creation_processing_for_1d_correlations(
hist: Hist, normalization_factor: float, rebin_factor: int,
title_label: str, axis_label: str, jet_pt: analysis_objects.JetPtBin,
track_pt: analysis_objects.TrackPtBin) -> None:
""" Basic post processing tasks for a new 1D correlation observable. """
# Rebin to decrease the fluctuations in the correlations
# We don't scale by the rebin factor here because we will scale by bin width later.
# Since we will handle it later, it doesn't make sense to try to preserve normalization here.
hist.Rebin(rebin_factor)
# Scale
hist.Scale(1.0 / normalization_factor)
# Set title, labels
jet_pt_bins_title = labels.jet_pt_range_string(jet_pt)
track_pt_bins_title = labels.track_pt_range_string(track_pt)
# This won't look so good in ROOT, but that's just because their latex rendering is absolutely atrocious...
hist.SetTitle(
rf"{title_label} with {jet_pt_bins_title}, {track_pt_bins_title}")
hist.GetXaxis().SetTitle(axis_label)
hist.GetYaxis().SetTitle(fr"$\mathrm{{dN}}/\mathrm{{d}}{axis_label}$")
def _plot_response_matrix_with_ROOT(
name: str, x_label: str, y_label: str, output_name: str, hist: Hist,
plot_errors_hist: bool,
output_info: analysis_objects.PlottingOutputWrapper) -> None:
""" Underlying function to actually plot a response matrix with ROOT.
Args:
name: Name of the histogram.
x_label: X axis label.
y_label: Y axis label.
output_name: Output name of the histogram.
hist: The response matrix related 2D hist.
errors_hist: True if the hist is the response matrix errors hist.
output_info: Output information.
Returns:
None
"""
# Setup
canvas = ROOT.TCanvas("canvas", "canvas")
canvas.SetLogz(True)
# Plot the histogram
hist.SetTitle(name)
hist.GetXaxis().SetTitle(labels.use_label_with_root(x_label))
hist.GetYaxis().SetTitle(labels.use_label_with_root(y_label))
hist.Draw("colz")
# Set the final axis ranges.
# Z axis
min_val = ctypes.c_double(0)
max_val = ctypes.c_double(0)
hist.GetMinimumAndMaximum(min_val, max_val)
# * 1.1 to put it slightly above the max value
# min_val doesn't work here, because there are some entries at 0
hist.GetZaxis().SetRangeUser(10e-7, max_val.value * 1.1)
# Save
output_name += "_ROOT"
plot_base.save_plot(output_info, canvas, output_name)
