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GeezerVison is showing github.com — plotter/barplot.py at master · milladgit/plotter

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barplot.py

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import os, sys
import numpy as np
import matplotlib.pyplot as plt
from figure import *
from configuration import *
from utils import *
class BarPlot(Configuration):
def __init__(self, filename):
Configuration.__init__(self, filename)
self.put_label_on_top = "off"
self.datatype = "float"
self.bar_count = 0
self.data_dict = dict()
self.data_indexes = []
self.index_begin = 0.0
self.index_step = 0.1
self.load_config_file()
def index_generator(self, begin, step, count):
return np.arange(begin, begin + step * count, step)
def load_config_file(self):
if self.lines == None:
return
lines = self.lines
i = 0
lines_count = len(lines)
while i < lines_count:
l = lines[i].strip()
if l == "":
i += 1
continue
if l[0] == "#":
i += 1
continue
l = l.split(":")
i += 1
k = l[0]
v = l[1]
k = k.strip()
v = v.strip()
if k == "put_label_on_top":
self.put_label_on_top = v
elif k == "datatype":
self.datatype = v
elif k == "bar_count":
self.bar_count = int(v)
elif k == "index_begin":
self.index_begin = isfloat(v)
elif k == "index_step":
self.index_step = isfloat(v)
elif "data_" in k:
index = int(k.split("_")[1])
data_list = v.split(",")
data_list = [q.strip() for q in data_list]
if self.datatype == "float":
data_list = [float(q) for q in data_list]
elif self.datatype == "int":
data_list = [int(q) for q in data_list]
self.data_dict[index] = data_list
elif "datatable" in k:
column_count = int(v)
while i < lines_count:
l = lines[i].strip()
if l == "":
i += 1
continue
if l[0] == "#":
i += 1
continue
l = l.split(";")
self.xticks_label.append(l[0].strip())
for _v in range(column_count):
if _v not in self.data_dict:
self.data_dict[_v] = []
val = l[_v+1].strip()
if self.datatype == "float":
val = float(val)
elif self.datatype == "int":
val = int(val)
self.data_dict[_v].append(val)
i += 1
i += 1
def autolabel(self, ax, rects, xpos='center'):
"""
Attach a text label above each bar in *rects*, displaying its height.
*xpos* indicates which side to place the text w.r.t. the center of
the bar. It can be one of the following {'center', 'right', 'left'}.
"""
xpos = xpos.lower() # normalize the case of the parameter
ha = {'center': 'center', 'right': 'left', 'left': 'right'}
offset = {'center': 0.5, 'right': 0.57, 'left': 0.43} # x_txt = x + w*off
for rect in rects:
height = rect.get_height()
ax.text(rect.get_x() + rect.get_width()*offset[xpos], 1.01*height,
'{}'.format(height), ha=ha[xpos], va='bottom')
def draw(self, ax):
C = self
ind = self.index_generator(self.index_begin, self.index_step, len(self.data_dict[0]))
width = C.width # the width of the bars
rects_list = list()
for index in range(C.bar_count):
disposition = -width*C.bar_count/2.0 + index*width + width/2.0
lbl = C.labels[index]
if len(C.colors) > 0:
rect = ax.bar(ind + disposition, C.data_dict[index], width, color=C.colors[index], label=lbl)
else:
rect = ax.bar(ind + disposition, C.data_dict[index], width, label=C.labels[index])
rects_list.append(rect)
ax.set_xticks(ind)
_ha = "right"
if C.xticks_rotation in [0, 90]:
_ha = "center"
ax.set_xticklabels(C.xticks_label, rotation=C.xticks_rotation, ha=_ha)
if C.put_label_on_top == "on":
for r in rects_list:
self.autolabel(ax, r, "left")
# autolabel(rects2, "right")
super(BarPlot, self).draw(ax)
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