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17-01-2019, Saat: 00:43
bi yerden buldum paylaşmak istedim
#!/usr/bin/python
# -*- coding: latin-1 -*-
from __future__ import print_function
import fitz
import sys
#==============================================================================
# Pie Chart program - semi circle version
#==============================================================================
from fitz.utils import getColor # for getting RGB colors by name
doc = fitz.open() # new empty PDF
doc.insertPage() # creates an ISO-A4 portrait page
page = doc[-1] # this is the page
# title of the page
title = "Sitzverteilung nach der Bundestagswahl 2013"
# pie chart center and point of 1st data pie
center = fitz.Point(200, 250)
point = fitz.Point(100, 250) # will cycle through table data
# this is the radius
radius = abs(point - center)
blue = getColor("blue") # we need some colors
white = getColor("white")
lineheight = 20 # legend line height
ts_v = 150 # vertical start of legend block
ts_h = center.x + radius + 50 # horizontal coord of legend block
# these are the data to visualize:
# number of seats of political parties in German parliament since 2013
table = ( # seats, party color & name
(64, "violetred", "Die Linke"),
(193, "red", "SPD"),
(63, "green", "Die Grünen"),
(253, "black", "CDU"),
(56, "dodgerblue", "CSU"),
(1, "gray", "fraktionslos"),
)
seats = float(sum([c[0] for c in table])) # total seats
stitle = "Bundestagssitze insgesamt: %i" % (seats,)
page.insertText(fitz.Point(72, 72),title, fontsize = 14, color = blue)
page.drawLine(fitz.Point(72, 80), fitz.Point(550, 80), color = blue)
page.insertText(fitz.Point(ts_h - 30, ts_v - 30), stitle,
fontsize = 13, color = blue)
# draw the table data
for i, c in enumerate(table):
beta = c[0] / seats * 180 # express seats as semi circle angles
color = getColor(c[1]) # avoid multiple color lookups
# the method delivers point of other end of the constructed arc
# we will use it as input for next round
point = page.drawSector(center, point, beta, color = white,
fullSector = True, fill = color)
text = "%s, %i %s" % (c[2], c[0], "Sitze" if c[0] > 1 else "Sitz")
pos = fitz.Point(ts_h, ts_v + i*lineheight)
page.insertText(pos, text, color = blue)
tl = fitz.Point(pos.x - 30, ts_v - 10 + i*lineheight)
br = fitz.Point(pos.x - 10, ts_v + i*lineheight)
rect = fitz.Rect(tl, br) # legend color bar
page.drawRect(rect, fill = color), color = color)
# overlay center of circle with white to simulate an auditorium
page.drawCircle(center, radius - 70, color = white, fill = white)
doc.save("piechart2.pdf")
Have a look at https://github.com/rk700/PyMuPDF/edit/master/demo/ to see a full circle version and images of example outputs.
