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TMB_Create_Graphs.py
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"""
Module containing the various graph and chart drawing algorithms (except for those related to maps)
"""
# external dependencies
from typing import Optional
import matplotlib.pyplot as mplpy
import matplotlib.ticker
from wordcloud import WordCloud
__TMP_PATH__ = "temp/"
# my approximation of the pygal color scheme
__COLOR_LIST__ = ["salmon", "royalblue", "lightseagreen", "gold", "darkorange", "mediumorchid", "deepskyblue",
"lightgreen", "sandybrown", "palevioletred", "lightskyblue", "mediumaquamarine", "lemonchiffon",
"red", "green", "blue", "yellow"]
def create_pie_chart_file(filename: str, data: dict, graph_font: Optional[str] = None) -> None:
datalist = list(data.keys())
datalist.sort()
sizes = []
for d in datalist:
sizes.append(data[d])
color_list = __COLOR_LIST__
# create a two-panel plot, one for pie, one for legend
fig, (panel1, panel2) = mplpy.subplots(1, 2, figsize=[6, 3])
# create pie chart in first panel
pie = panel1.pie(sizes, colors=color_list, startangle=90, counterclock=False)
panel1.axis("equal")
# create legend in second panel
panel2.axis("off") # hide axes in second plot
panel2.legend(pie[0], datalist, loc="center", frameon=False, ncol=2, prop={"family": graph_font})
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_language_bar_chart_file(filename: str, lang_by_year: dict, graph_font: Optional[str] = None) -> None:
color_list = __COLOR_LIST__
langlist = list(lang_by_year.keys())
langlist.sort()
yearlist = list(lang_by_year[langlist[0]].keys())
minyear = min(yearlist)
maxyear = max(yearlist)
year_cnts = {y: 0 for y in range(minyear, maxyear+1)}
for lang in lang_by_year:
dat = lang_by_year[lang]
for y in dat:
year_cnts[y] += dat[y]
x_list = [x for x in range(minyear, maxyear+1)]
y_lists = []
for lang in langlist:
ylist = []
dat = lang_by_year[lang]
for y in range(minyear, maxyear+1):
if year_cnts[y] > 0:
ylist.append(dat[y] / year_cnts[y])
else:
ylist.append(0)
y_lists.append(ylist)
# create a three-panel plot, two for bar graphs, one for legend
fig, (panel1, panel2, panel3) = mplpy.subplots(3, 1, figsize=[6.5, 6])
split_year = 1850
split_index = x_list.index(split_year)
bottoms = [0 for _ in range(split_index)]
bars = []
for j, ylist in enumerate(y_lists):
bars.append(panel1.bar(x_list[:split_index], ylist[:split_index], bottom=bottoms, color=color_list[j],
edgecolor="black", linewidth=0.25))
for i in range(len(ylist[:split_index])):
bottoms[i] += ylist[i]
panel1.spines["right"].set_visible(False)
panel1.spines["top"].set_visible(False)
bottoms = [0 for _ in range(len(x_list) - split_index)]
for j, ylist in enumerate(y_lists):
panel2.bar(x_list[split_index:], ylist[split_index:], bottom=bottoms, color=color_list[j], edgecolor="black",
linewidth=0.25)
for i, v in enumerate(ylist[split_index:]):
bottoms[i] += v
panel2.spines["right"].set_visible(False)
panel2.spines["top"].set_visible(False)
panel3.axis("off") # hide axes in second plot
panel3.legend(bars, langlist, loc="center", frameon=False, ncol=4, prop={"family": graph_font})
mplpy.xticks(fontname=graph_font)
mplpy.yticks(fontname=graph_font)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_bar_chart_file(filename: str, data: list, minx: int, maxx: int, y: int,
graph_font: Optional[str] = None) -> None:
x_list = [x for x in range(minx, maxx+1)]
y_list = [d[y] for d in data]
fig, faxes = mplpy.subplots(figsize=[6.5, 2])
faxes.bar(x_list, y_list, color="blue", edgecolor="darkblue")
faxes.spines["right"].set_visible(False)
faxes.spines["top"].set_visible(False)
if maxx-minx > 200:
tick_step = 40
else:
tick_step = 20
mplpy.yticks(fontname=graph_font)
mplpy.xticks([i for i in range(minx, maxx + 1, tick_step)], fontname=graph_font)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_stacked_bar_chart_file(filename: str, data: list, minx: int, maxx: int, cols: list,
graph_font: Optional[str] = None) -> None:
# currently assumes only two stacked bars
x_list = [x for x in range(minx, maxx+1)]
fig, faxes = mplpy.subplots(figsize=[6.5, 2])
col_names = [c[0] for c in cols]
y_list1 = [d[cols[0][1]] for d in data]
y_list2 = [d[cols[1][1]] for d in data]
faxes.bar(x_list, y_list1, color="blue", edgecolor="darkblue")
faxes.bar(x_list, y_list2, bottom=y_list1, color="red", edgecolor="darkred")
faxes.spines["right"].set_visible(False)
faxes.spines["top"].set_visible(False)
faxes.legend(col_names, loc="upper left", frameon=False, prop={"family": graph_font})
mplpy.xticks(fontname=graph_font)
mplpy.yticks(fontname=graph_font)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_qual_bar_chart_file(filename: str, label_list: list, data_dict: dict, max_value: int,
graph_font: Optional[str] = None) -> None:
x_list = [x for x in range(len(label_list))]
y_list = [data_dict[x] for x in label_list]
fig, faxes = mplpy.subplots(figsize=[6.5, 2.5])
faxes.bar(x_list, y_list, color="blue", edgecolor="darkblue")
mplpy.yticks(fontname=graph_font)
mplpy.xticks(rotation="vertical", style="italic", fontname=graph_font)
faxes.set_xticks(x_list)
faxes.set_xticklabels(label_list)
faxes.spines["right"].set_visible(False)
faxes.spines["top"].set_visible(False)
mplpy.ylim(0, max_value)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_line_chart_file(filename: str, data: list, minx: int, maxx: int, y: int,
graph_font: Optional[str] = None) -> None:
x_list = [x for x in range(minx, maxx+1)]
y_list = [d[y] for d in data]
fig, faxes = mplpy.subplots(figsize=[6.5, 2])
faxes.plot(x_list, y_list, "blue")
faxes.spines["right"].set_visible(False)
faxes.spines["top"].set_visible(False)
if maxx-minx > 200:
tick_step = 40
else:
tick_step = 20
mplpy.yticks(fontname=graph_font)
mplpy.xticks([i for i in range(minx, maxx + 1, tick_step)], fontname=graph_font)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_chronology_chart_file(filename: str, miny: int, maxy: int, maxcnt: int, yearly_data: dict,
graph_font: Optional[str] = None) -> None:
y_list = []
for y in range(miny, maxy + 1):
y_list.append(float(yearly_data[y]))
x = [y for y in range(miny, maxy+1)]
fig, faxes = mplpy.subplots(figsize=[6.5, 1.5])
mplpy.ylim(-maxcnt, maxcnt)
mplpy.xlim(miny, maxy)
faxes.stackplot(x, y_list, baseline="sym", colors=["black"])
for spine in faxes.spines:
faxes.spines[spine].set_visible(False)
cur_axes = mplpy.gca()
cur_axes.axes.get_yaxis().set_visible(False)
mplpy.xticks([i for i in range(miny, maxy+1, 20)], fontname=graph_font)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(__TMP_PATH__ + filename, format="png", dpi=600)
mplpy.close("all")
def create_word_cloud_image(binomial_cnts: dict, specific_cnts: dict, font_path: Optional[str] = None) -> None:
# generate wordcloud image from binomials
wordcloud = WordCloud(width=2000, height=1500, background_color="white", max_words=1000, normalize_plurals=False,
collocations=False, font_path=font_path).generate_from_frequencies(binomial_cnts)
wordcloud.to_file(__TMP_PATH__ + "binomial_word_cloud.png")
# generate wordcloud image from specific names
wordcloud = WordCloud(width=2000, height=1500, background_color="white", max_words=1000, normalize_plurals=False,
collocations=False, font_path=font_path).generate_from_frequencies(specific_cnts)
wordcloud.to_file(__TMP_PATH__ + "specific_word_cloud.png")
if __name__ == "__main__":
# the following creates a quick chart of each type to check formatting changes
test_data = {
"English": 100,
"German": 50,
"Chinese": 20,
"Dutch": 10,
"French": 50,
"Italian": 50,
"Japanese": 50,
"Latin": 10,
"Polish": 3,
"Portuguese": 3,
"Russian": 3,
"Spanish": 3,
"Thai": 3,
"Danish": 3,
"Korean": 3,
"Vietnamese": 3
}
create_pie_chart_file("testpie.png", test_data)
create_word_cloud_image(test_data, test_data, r"C:\Windows\Fonts\NotoSerif-regular.ttf")
test_data = {
1800: 5,
1801: 4,
1802: 1,
1803: 0,
1804: 2,
1805: 2,
1806: 7,
1807: 12,
1808: 14,
1809: 10,
1810: 10
}
create_chronology_chart_file("testchron.png", 1800, 1810, 14, test_data)
test_data = [
[5],
[4],
[1],
[0],
[2],
[2],
[7],
[12],
[14],
[10],
[10]
]
create_line_chart_file("testline.png", test_data, 1800, 1810, 0)
create_bar_chart_file("testbar.png", test_data, 1800, 1810, 0)
create_stacked_bar_chart_file("teststackbar.png", test_data, 1800, 1810, [["A", 0], ["B", 0]])
test_data = {
"pugilator": 20,
"pugnax": 5,
"tangeri": 12
}
create_qual_bar_chart_file("testqualbar.png", ["pugilator", "pugnax", "tangeri"], test_data, 20)
def create_handedness_chart_file(filename: str, data: list, graph_font: Optional[str] = None) -> None:
y_list = [i for i in range(len(data))]
right_x = [d.right_cnt for d in data]
left_x = [-d.left_cnt for d in data]
max_cnt = max(right_x)
if -min(left_x) > max_cnt:
max_cnt = -min(left_x)
height = max(1.0, (len(y_list)+1)*0.2)
fig, faxes = mplpy.subplots(figsize=[6.5, height])
mplpy.xlim(-max_cnt, max_cnt)
faxes.barh(y_list, right_x)
faxes.barh(y_list, left_x)
# fix labels
xlabels = list(faxes.get_xticks())
for i, x in enumerate(xlabels):
if x < 0:
xlabels[i] = -x
for i, x in enumerate(xlabels):
xlabels[i] = int(x)
ticks_loc = faxes.get_xticks().tolist()
faxes.xaxis.set_major_locator(matplotlib.ticker.FixedLocator(ticks_loc))
faxes.set_xticklabels(xlabels)
mplpy.xlabel("Left Count / Right Count", fontname=graph_font)
faxes.spines["right"].set_visible(False)
faxes.spines["top"].set_visible(False)
faxes.spines["left"].set_visible(False)
faxes.yaxis.set_visible(False)
mplpy.rcParams["svg.fonttype"] = "none"
mplpy.tight_layout()
mplpy.savefig(filename, format="png", dpi=600)
mplpy.close("all")