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File:PV-Global-2010.svg

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Summary

Description
Deutsch: Länderverteilung im Photovoltaik Global 30 Index
English: Distribution of countries in the Photovoltaik Global 30 Index
Date
Source Own work
Author Psirus
SVG development
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The file size of this SVG plot may be irrationally large because its text has been converted to paths inhibiting translations.
Source code
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Python code

# coding: utf-8
#!/usr/bin/env python
from __future__ import division
import matplotlib.pyplot as plt
from matplotlib.pyplot import annotate
from matplotlib.colors import rgb_to_hsv, hsv_to_rgb, ColorConverter, rgb2hex
from numpy import array, sin, cos, pi

def pie_colors(n, base_color='#1241dd'):
    """ Generate suitable colors, adapted from:
    http://stackoverflow.com/a/5651670/878419 """

    cc = ColorConverter()
    r, g, b = cc.to_rgb(base_color)
    color = array([[r, g, b]])
    hue = rgb_to_hsv(color)[0, 0, 0]
    colors = []
    step = 1 / n
    for i in range(n):
        next_color = rgb_to_hsv(color)
        next_color[0, 0, 0] = (hue + step*i) % 1.0
        rgb_color = hsv_to_rgb(next_color)
        r = rgb_color[0, 0, 0]
        g = rgb_color[0, 0, 1]
        b = rgb_color[0, 0, 2]
        colors.append(rgb2hex((r, g, b)))
    return colors

fig = plt.figure(figsize=(7, 4))
ax = fig.add_subplot(111)

# Data
fracs = [45, 34, 10, 8, 1, 1, 1]
labels = ("USA", "Deutschland", "Taiwan", "Norwegen", "Japan", "Spanien",
          u"Großbritannien")
pieColors = pie_colors(len(fracs))

ax.set_position([0.2, 0.0, 0.4, 0.75])
p = plt.pie(fracs, startangle=90, colors=pieColors)
plt.axis("equal")

# Annotations
y1s = []
for p1, l1, f1 in zip(p[0], labels, fracs):
    r = p1.r
    dr = r*0.1
    t1, t2 = p1.theta1, p1.theta2
    theta = (t1+t2)/2.

    xc, yc = r/2.*cos(theta/180.*pi), r/2.*sin(theta/180.*pi)
    x1, y1 = (r+dr)*cos(theta/180.*pi), (r+dr)*sin(theta/180.*pi)
    if x1 > 0 :
        x1 = r+2*dr
        ha, va = "left", "center"
        tt = -180
        cstyle = "angle,angleA=0,angleB=%f" % (theta,)
    else:
        x1 = -(r+2*dr)
        ha, va = "right", "center"
        tt = 0
        cstyle = "angle,angleA=0,angleB=%f" % (theta,)

    # Prevent overlapping text
    y1 = round(y1*10)/10
    if any([(abs(y1 - y) < 0.15) for y in y1s]):
        y1 = max(y1s) + 0.15

    l1 = l1 + '; ' + str(f1) + '%'
    annotate(l1, (xc, yc), xycoords="data", xytext=(x1, y1), textcoords="data",
             ha=ha, va=va, arrowprops=dict(arrowstyle="-",
             connectionstyle=cstyle, patchB=p1))

    y1s.append(y1)

plt.title(u"Länderaufteilung 2010", y = 1.2)
plt.savefig("pv-global-2010.svg", transparent=True, bbox_inches='tight')

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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3 June 2013

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Date/TimeThumbnailDimensionsUserComment
current18:37, 6 June 2013Thumbnail for version as of 18:37, 6 June 2013534 × 361 (32 KB)PsirusMake background transparent. Tighter crop.
20:06, 3 June 2013Thumbnail for version as of 20:06, 3 June 2013630 × 360 (32 KB)PsirusUser created page with UploadWizard

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