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Commit8f62234

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Merge pull request#13169 from timhoffm/logo
Add example code for current logo
2 parents2b7d27d +a63a519 commit8f62234

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5 files changed

+236
-77
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5 files changed

+236
-77
lines changed

‎.circleci/config.yml‎

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@@ -26,6 +26,7 @@ apt-run: &apt-install
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texlive-xetex \
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graphviz \
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libgeos-dev \
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fonts-crosextra-carlito \
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otf-freefont
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fonts-run:&fonts-install

‎doc/users/credits.rst‎

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@@ -840,6 +840,8 @@ Paul Kienzle,
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John Porter,
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and Jonathon Taylor.
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Thanks to Tony Yu for the original logo design.
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We also thank all who have reported bugs, commented on
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proposed changes, or otherwise contributed to Matplotlib's
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development and usefulness.

‎doc/users/generate_credits.py‎

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@@ -52,6 +52,8 @@
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John Porter,
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and Jonathon Taylor.
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Thanks to Tony Yu for the original logo design.
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We also thank all who have reported bugs, commented on
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proposed changes, or otherwise contributed to Matplotlib's
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development and usefulness.

‎doc/users/history.rst‎

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Original file line numberDiff line numberDiff line change
@@ -125,3 +125,86 @@ Matplotlib's original logo (2003 -- 2008).
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plt.axis([1, 1.72, -60, 10])
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plt.gca().set_xticklabels([])
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plt.gca().set_yticklabels([])
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Matplotlib logo (2008 - 2015).
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..
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This logo was added in 325e47b.
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..plot::
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import numpy as np
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import matplotlib as mpl
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import matplotlib.pyplot as plt
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import matplotlib.cm as cm
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mpl.rcParams['xtick.labelsize'] = 10
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mpl.rcParams['ytick.labelsize'] = 12
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mpl.rcParams['axes.edgecolor'] = 'gray'
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axalpha = 0.05
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figcolor = 'white'
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dpi = 80
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fig = plt.figure(figsize=(6, 1.1), dpi=dpi)
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fig.patch.set_edgecolor(figcolor)
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fig.patch.set_facecolor(figcolor)
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def add_math_background():
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ax = fig.add_axes([0., 0., 1., 1.])
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text = []
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text.append(
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(r"$W^{3\beta}_{\delta_1\rho_1\sigma_2} = "
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r"U^{3\beta}_{\delta_1\rho_1} +\frac{1}{8\pi 2}"
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r"\int^{\alpha_2}_{\alpha_2} d\alpha^\prime_2 "
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r"\left[\frac{ U^{2\beta}_{\delta_1\rho_1} - "
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r"\alpha^\prime_2U^{1\beta}_{\rho_1\sigma_2} "
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r"}{U^{0\beta}_{\rho_1\sigma_2}}\right]$", (0.7, 0.2), 20))
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text.append((r"$\frac{d\rho}{d t} +\rho\vec{v}\cdot\nabla\vec{v} "
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r"= -\nabla p +\mu\nabla^2\vec{v} +\rho\vec{g}$",
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(0.35, 0.9), 20))
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text.append((r"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$",
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(0.15, 0.3), 25))
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text.append((r"$F_G = G\frac{m_1m_2}{r^2}$",
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(0.85, 0.7), 30))
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for eq, (x, y), size in text:
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ax.text(x, y, eq, ha='center', va='center', color="#11557c",
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alpha=0.25, transform=ax.transAxes, fontsize=size)
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ax.set_axis_off()
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return ax
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def add_matplotlib_text(ax):
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ax.text(0.95, 0.5, 'matplotlib', color='#11557c', fontsize=65,
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ha='right', va='center', alpha=1.0, transform=ax.transAxes)
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def add_polar_bar():
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ax = fig.add_axes([0.025, 0.075, 0.2, 0.85], projection='polar')
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ax.patch.set_alpha(axalpha)
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ax.set_axisbelow(True)
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N = 7
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arc = 2. * np.pi
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theta = np.arange(0.0, arc, arc/N)
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radii = 10 * np.array([0.2, 0.6, 0.8, 0.7, 0.4, 0.5, 0.8])
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width = np.pi / 4 * np.array([0.4, 0.4, 0.6, 0.8, 0.2, 0.5, 0.3])
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bars = ax.bar(theta, radii, width=width, bottom=0.0)
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for r, bar in zip(radii, bars):
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bar.set_facecolor(cm.jet(r/10.))
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bar.set_alpha(0.6)
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ax.tick_params(labelbottom=False, labeltop=False,
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labelleft=False, labelright=False)
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ax.grid(lw=0.8, alpha=0.9, ls='-', color='0.5')
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ax.set_yticks(np.arange(1, 9, 2))
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ax.set_rmax(9)
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main_axes = add_math_background()
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add_polar_bar()
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add_matplotlib_text(main_axes)

‎examples/misc/logos2.py‎

Lines changed: 148 additions & 77 deletions
Original file line numberDiff line numberDiff line change
@@ -1,87 +1,158 @@
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"""
2-
================
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MatplotlibLogos
4-
================
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===============
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Matplotliblogo
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===============
55
6-
Displays some matplotlib logos.
7-
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Thanks to Tony Yu <tsyu80@gmail.com> for the logo design
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This example generates the current matplotlib logo.
97
"""
108

119
importnumpyasnp
1210
importmatplotlibasmpl
1311
importmatplotlib.pyplotasplt
1412
importmatplotlib.cmascm
15-
16-
mpl.rcParams['xtick.labelsize']=10
17-
mpl.rcParams['ytick.labelsize']=12
18-
mpl.rcParams['axes.edgecolor']='gray'
19-
20-
21-
axalpha=0.05
22-
figcolor='white'
23-
dpi=80
24-
fig=plt.figure(figsize=(6,1.1),dpi=dpi)
25-
fig.patch.set_edgecolor(figcolor)
26-
fig.patch.set_facecolor(figcolor)
27-
28-
29-
defadd_math_background():
30-
ax=fig.add_axes([0.,0.,1.,1.])
31-
32-
text= []
33-
text.append(
34-
(r"$W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = "
35-
r"U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2}"
36-
r"\int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 "
37-
r"\left[\frac{ U^{2\beta}_{\delta_1 \rho_1} - "
38-
r"\alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} "
39-
r"}{U^{0\beta}_{\rho_1 \sigma_2}}\right]$", (0.7,0.2),20))
40-
text.append((r"$\frac{d\rho}{d t} + \rho \vec{v}\cdot\nabla\vec{v} "
41-
r"= -\nabla p + \mu\nabla^2 \vec{v} + \rho \vec{g}$",
42-
(0.35,0.9),20))
43-
text.append((r"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$",
44-
(0.15,0.3),25))
45-
text.append((r"$F_G = G\frac{m_1m_2}{r^2}$",
46-
(0.85,0.7),30))
47-
foreq, (x,y),sizeintext:
48-
ax.text(x,y,eq,ha='center',va='center',color="#11557c",
49-
alpha=0.25,transform=ax.transAxes,fontsize=size)
13+
importmatplotlib.font_manager
14+
frommatplotlib.patchesimportCircle,Rectangle,PathPatch
15+
frommatplotlib.textpathimportTextPath
16+
importmatplotlib.transformsasmtrans
17+
18+
MPL_BLUE='#11557c'
19+
20+
21+
defget_font_properties():
22+
# The original font is Calibri, if that is not installed, we fall back
23+
# to Carlito, which is metrically equivalent.
24+
if'Calibri'inmatplotlib.font_manager.findfont('Calibri:bold'):
25+
returnmatplotlib.font_manager.FontProperties(family='Calibri',
26+
weight='bold')
27+
if'Carlito'inmatplotlib.font_manager.findfont('Carlito:bold'):
28+
print('Original font not found. Falling back to Carlito. '
29+
'The logo text will not be in the correct font.')
30+
returnmatplotlib.font_manager.FontProperties(family='Carlito',
31+
weight='bold')
32+
print('Original font not found. '
33+
'The logo text will not be in the correct font.')
34+
returnNone
35+
36+
37+
defcreate_icon_axes(fig,ax_position,lw_bars,lw_grid,lw_border,rgrid):
38+
"""
39+
Create a polar axes containing the matplotlib radar plot.
40+
41+
Parameters
42+
----------
43+
fig : matplotlib.figure.Figure
44+
The figure to draw into.
45+
ax_position : (float, float, float, float)
46+
The position of the created Axes in figure coordinates as
47+
(x, y, width, height).
48+
lw_bars : float
49+
The linewidth of the bars.
50+
lw_grid : float
51+
The linewidth of the grid.
52+
lw_border : float
53+
The linewidth of the Axes border.
54+
rgrid : array-like
55+
Positions of the radial grid.
56+
57+
Returns
58+
-------
59+
ax : matplotlib.axes.Axes
60+
The created Axes.
61+
"""
62+
withplt.rc_context({'axes.edgecolor':MPL_BLUE,
63+
'axes.linewidth':lw_border}):
64+
ax=fig.add_axes(ax_position,projection='polar')
65+
ax.set_axisbelow(True)
66+
67+
N=7
68+
arc=2.*np.pi
69+
theta=np.arange(0.0,arc,arc/N)
70+
radii=np.array([2,6,8,7,4,5,8])
71+
width=np.pi/4*np.array([0.4,0.4,0.6,0.8,0.2,0.5,0.3])
72+
bars=ax.bar(theta,radii,width=width,bottom=0.0,align='edge',
73+
edgecolor='0.3',lw=lw_bars)
74+
forr,barinzip(radii,bars):
75+
color=*cm.jet(r/10.)[:3],0.6# color from jet with alpha=0.6
76+
bar.set_facecolor(color)
77+
78+
ax.tick_params(labelbottom=False,labeltop=False,
79+
labelleft=False,labelright=False)
80+
81+
ax.grid(lw=lw_grid,color='0.9')
82+
ax.set_rmax(9)
83+
ax.set_yticks(rgrid)
84+
85+
# the actual visible background - extends a bit beyond the axis
86+
ax.add_patch(Rectangle((0,0),arc,9.58,
87+
facecolor='white',zorder=0,
88+
clip_on=False,in_layout=False))
89+
returnax
90+
91+
92+
defcreate_text_axes(fig,height_px):
93+
"""Create an axes in *fig* that contains 'matplotlib' as Text."""
94+
ax=fig.add_axes((0,0,1,1))
95+
ax.set_aspect("equal")
5096
ax.set_axis_off()
51-
returnax
52-
53-
54-
defadd_matplotlib_text(ax):
55-
ax.text(0.95,0.5,'matplotlib',color='#11557c',fontsize=65,
56-
ha='right',va='center',alpha=1.0,transform=ax.transAxes)
57-
58-
59-
defadd_polar_bar():
60-
ax=fig.add_axes([0.025,0.075,0.2,0.85],projection='polar')
61-
62-
ax.patch.set_alpha(axalpha)
63-
ax.set_axisbelow(True)
64-
N=7
65-
arc=2.*np.pi
66-
theta=np.arange(0.0,arc,arc/N)
67-
radii=10*np.array([0.2,0.6,0.8,0.7,0.4,0.5,0.8])
68-
width=np.pi/4*np.array([0.4,0.4,0.6,0.8,0.2,0.5,0.3])
69-
bars=ax.bar(theta,radii,width=width,bottom=0.0)
70-
forr,barinzip(radii,bars):
71-
bar.set_facecolor(cm.jet(r/10.))
72-
bar.set_alpha(0.6)
73-
74-
ax.tick_params(labelbottom=False,labeltop=False,
75-
labelleft=False,labelright=False)
76-
77-
ax.grid(lw=0.8,alpha=0.9,ls='-',color='0.5')
78-
79-
ax.set_yticks(np.arange(1,9,2))
80-
ax.set_rmax(9)
81-
8297

83-
if__name__=='__main__':
84-
main_axes=add_math_background()
85-
add_polar_bar()
86-
add_matplotlib_text(main_axes)
87-
plt.show()
98+
path=TextPath((0,0),"matplotlib",size=height_px*0.8,
99+
prop=get_font_properties())
100+
101+
angle=4.25# degrees
102+
trans=mtrans.Affine2D().skew_deg(angle,0)
103+
104+
patch=PathPatch(path,transform=trans+ax.transData,color=MPL_BLUE,
105+
lw=0)
106+
ax.add_patch(patch)
107+
ax.autoscale()
108+
109+
110+
defmake_logo(height_px,lw_bars,lw_grid,lw_border,rgrid,with_text=False):
111+
"""
112+
Create a full figure with the Matplotlib logo.
113+
114+
Parameters
115+
----------
116+
height_px : int
117+
Height of the figure in pixel.
118+
lw_bars : float
119+
The linewidth of the bar border.
120+
lw_grid : float
121+
The linewidth of the grid.
122+
lw_border : float
123+
The linewidth of icon border.
124+
rgrid : sequence of float
125+
The radial grid positions.
126+
with_text : bool
127+
Whether to draw only the icon or to include 'matplotlib' as text.
128+
"""
129+
dpi=100
130+
height=height_px/dpi
131+
figsize= (5*height,height)ifwith_textelse (height,height)
132+
fig=plt.figure(figsize=figsize,dpi=dpi)
133+
fig.patch.set_alpha(0)
134+
135+
ifwith_text:
136+
create_text_axes(fig,height_px)
137+
ax_pos= (0.535,0.12,.17,0.75)ifwith_textelse (0.03,0.03,.94,.94)
138+
ax=create_icon_axes(fig,ax_pos,lw_bars,lw_grid,lw_border,rgrid)
139+
140+
returnfig,ax
141+
142+
##############################################################################
143+
# A large logo:
144+
145+
make_logo(height_px=110,lw_bars=0.7,lw_grid=0.5,lw_border=1,
146+
rgrid=[1,3,5,7])
147+
148+
##############################################################################
149+
# A small 32px logo:
150+
151+
make_logo(height_px=32,lw_bars=0.3,lw_grid=0.3,lw_border=0.3,rgrid=[5])
152+
153+
##############################################################################
154+
# A large logo including text, as used on the matplotlib website.
155+
156+
make_logo(height_px=110,lw_bars=0.7,lw_grid=0.5,lw_border=1,
157+
rgrid=[1,3,5,7],with_text=True)
158+
plt.show()

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