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plot.py
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plot.py
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"""General purpose plotting script."""
import matplotlib
import numpy as np
import argparse as ag
from matplotlib import pyplot as plt
matplotlib.use('TKagg')
# argument parsing
parser = ag.ArgumentParser(description="""Universal command line plotting
script using python3 and libraries: argparse, numpy
and matplotlib.""")
parser.add_argument("files", type=str, nargs="+",
help="data files to plot from")
parser.add_argument("--type", "-t", type=str, default="xy",
choices=["xy", "bar", "hist"],
help="type of plot")
parser.add_argument("--stack", "-s", action="store_true", default=False,
help="stack file columns in one plot.")
parser.add_argument("--join", "-j", action="store_true", default=False,
help="join file columns in one plot.")
parser.add_argument("--bins", "-b", type=int, default=100,
help="number of bins for histogram.")
parser.add_argument("--cols", "-c", type=int, nargs="+",
help="columns to plot.")
parser.add_argument("--exact", "-x", type=str, default=None,
help="exact/benchmark data.")
parser.add_argument("--linestyle", "-ls", type=str, default="solid",
choices=["solid", "dashed", "dashdot", "dotted", "none"],
help="Linestyle to draw with")
parser.add_argument("--marker", "-m", type=str, default=" ",
choices=[".", ",", "o", "s", "x", "+", "^", "v", " "],
help="Style of marker to draw with")
parser.add_argument("--skip", type=int, default=1,
help="Data point interval with which to plot")
args = parser.parse_args()
# argument logic
if args.stack and args.join:
raise Exception("Cannot use --join and --stack simultaneously!")
ls_dict = {"solid": "-",
"dashed": "--",
"dashdot": "-.",
"dotted": ":",
"none": " "}
ls_list = ["-", "--", "-.", ":"]
args.linestyle = ls_dict[args.linestyle]
# reading data from files
data = []
shapes = []
for i, file in enumerate(args.files):
try:
data.append(np.genfromtxt(file))
shapes.append(data[i].shape)
except OSError:
print(f"Error: File <{file}> not found!")
if args.exact is not None:
try:
exact = np.genfromtxt(args.exact)
xshape = exact.shape
except OSError:
print(f"Error: File <{args.exact}> not found!")
# plotting xy
if args.type == "xy":
# stacked
if args.stack:
for file in range(len(data)):
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
fig, ax = plt.subplots(len(cols), sharex=True)
for i, col in enumerate(cols):
if args.exact is not None:
for j in range(1, xshape[-1]):
ax[i].plot(exact[::args.skip, 0],
exact[::args.skip, j],
color="black",
linestyle=ls_list[j-1],
marker=args.marker,
label=f"Exact:{j}")
ax[i].plot(data[file][::args.skip, 0],
data[file][::args.skip, col],
color=f"C{col - 1}",
linestyle=args.linestyle,
marker=args.marker,
label=f"col:{col}")
ax[i].legend(frameon=False)
fig.suptitle(fr"{args.files[file]}".replace("_", r"\_"))
plt.tight_layout()
if file == len(data) - 1:
plt.show(block=True)
else:
plt.show(block=False)
# joined
if args.join:
for file in range(len(data)):
fig, ax = plt.subplots()
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
if args.exact is not None:
for j in range(1, xshape[-1]):
ax.plot(exact[::args.skip, 0],
exact[::args.skip, j],
color="black",
linestyle=ls_list[j-1],
marker=args.marker,
label=f"Exact:{j}")
for col in cols:
ax.plot(data[file][::args.skip, 0],
data[file][::args.skip, col],
color=f"C{col - 1}",
linestyle=args.linestyle,
marker=args.marker,
label=f"col:{col}")
ax.legend(frameon=False)
fig.suptitle(fr"{args.files[file]}".replace(r"_", r"\_"))
plt.tight_layout()
if file == len(data) - 1:
plt.show(block=True)
else:
plt.show(block=False)
# unstacked and unjoin
if not args.stack and not args.join:
for file in range(len(data)):
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
for col in cols:
fig, ax = plt.subplots()
if args.exact is not None:
for j in range(1, xshape[-1]):
ax.plot(exact[::args.skip, 0],
exact[::args.skip, j],
color="black",
linestyle=ls_list[j-1],
marker=args.marker,
label=f"Exact:{j}")
ax.plot(data[file][::args.skip, 0],
data[file][::args.skip, col],
color=f"C{col - 1}",
linestyle=args.linestyle,
marker=args.marker)
fig.suptitle(fr"{args.files[file]}:{col}".replace(r"_", r"\_"))
plt.tight_layout()
if file == len(data) - 1 and col == cols[-1]:
plt.show(block=True)
else:
plt.show(block=False)
# plotting bar
if args.type == "bar":
# stacked
if args.stack:
for file in range(len(data)):
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
fig, ax = plt.subplots(len(cols), sharex=True)
for i, col in enumerate(cols):
ax[i].bar(data[file][:, 0], data[file][:, col],
width=0.9 * (data[file][1, 0] - data[file][0, 0]),
color=f"C{col - 1}", label=f"col:{col}")
ax[i].legend(frameon=False)
fig.suptitle(fr"{args.files[file]}".replace(r"_", r"\_"))
plt.tight_layout()
if file == len(data) - 1:
plt.show(block=True)
else:
plt.show(block=False)
# unstacked and unjoin
if not args.stack and not args.join:
for file in range(len(data)):
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
for col in cols:
fig, ax = plt.subplots()
ax.bar(data[file][:, 0], data[file][:, col],
width=0.9 * (data[file][1, 0] - data[file][0, 0]),
label=fr"{args.files[file]}:{col}".replace(r"_", r"\_"))
ax.legend(frameon=False)
plt.tight_layout()
if file == len(data) - 1 and col == cols[-1]:
plt.show(block=True)
else:
plt.show(block=False)
if args.join:
raise Exception("Cannot use --join with plottype bar!")
# plotting hist
if args.type == "hist":
# unstacked and unjoin
if not args.stack and not args.join:
for file in range(len(data)):
if len(shapes[file]) > 1:
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
for col in cols:
fig, ax = plt.subplots()
ax.hist(data[file][:, col], bins=args.bins,
label=fr"{args.files[file]}:{col}".replace(r"_",
r"\_"))
ax.legend(frameon=False)
plt.tight_layout()
if file == len(data) - 1 and col == cols[-1]:
plt.show(block=True)
else:
plt.show(block=False)
else:
fig, ax = plt.subplots()
ax.hist(data[file][:], bins=args.bins,
label=fr"{args.files[file]}".replace(r"_", r"\_"))
ax.legend(frameon=False)
plt.tight_layout()
if file == len(data) - 1:
plt.show(block=True)
else:
plt.show(block=False)
# stacked
if args.stack:
for file in range(len(data)):
if len(shapes[file]) > 1:
if args.cols:
cols = args.cols
else:
cols = range(1, shapes[file][-1])
fig, ax = plt.subplots(len(cols), sharex=True)
for i, col in enumerate(cols):
ax[i].hist(data[file][:, col], bins=args.bins,
color=f"C{col - 1}", label=f"col:{col}")
ax[i].legend(frameon=False)
fig.suptitle(fr"{args.files[file]}".replace(r"_", r"\_"))
plt.tight_layout()
if file == len(data) - 1:
plt.show(block=True)
else:
plt.show(block=False)
else:
fig, ax = plt.subplots()
ax.hist(data[file][:], bins=args.bins,
label=fr"{args.files[file]}".replace(r"_", r"\_"))
ax.legend(frameon=False)
plt.tight_layout()
if file == len(data) - 1:
plt.show(block=True)
else:
plt.show(block=False)
if args.join:
raise Exception("Cannot use --join with plottype bar!")