"""==========matplotlib==========Thanks to Tony Yu <[email protected]> for the logo design"""importnumpyasnpimportmatplotlibasmplimportmatplotlib.pyplotaspltimportmatplotlib.cmascmmpl.rcParams['xtick.labelsize']=10mpl.rcParams['ytick.labelsize']=12mpl.rcParams['axes.edgecolor']='gray'axalpha=0.05figcolor='white'dpi=80fig=plt.figure(figsize=(6,1.1),dpi=dpi)fig.figurePatch.set_edgecolor(figcolor)fig.figurePatch.set_facecolor(figcolor)defadd_math_background():ax=fig.add_axes([0.,0.,1.,1.])text=[]text.append((r"$W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = "r"U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2}"r"\int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 "r"\left[\frac{ U^{2\beta}_{\delta_1 \rho_1} - "r"\alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} "r"}{U^{0\beta}_{\rho_1 \sigma_2}}\right]$",(0.7,0.2),20))text.append((r"$\frac{d\rho}{d t} + \rho \vec{v}\cdot\nabla\vec{v} "r"= -\nabla p + \mu\nabla^2 \vec{v} + \rho \vec{g}$",(0.35,0.9),20))text.append((r"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$",(0.15,0.3),25))text.append((r"$F_G = G\frac{m_1m_2}{r^2}$",(0.85,0.7),30))foreq,(x,y),sizeintext:ax.text(x,y,eq,ha='center',va='center',color="#11557c",alpha=0.25,transform=ax.transAxes,fontsize=size)ax.set_axis_off()returnaxdefadd_matplotlib_text(ax):ax.text(0.95,0.5,'matplotlib',color='#11557c',fontsize=65,ha='right',va='center',alpha=1.0,transform=ax.transAxes)defadd_polar_bar():ax=fig.add_axes([0.025,0.075,0.2,0.85],projection='polar')ax.axesPatch.set_alpha(axalpha)ax.set_axisbelow(True)N=7arc=2.*np.pitheta=np.arange(0.0,arc,arc/N)radii=10*np.array([0.2,0.6,0.8,0.7,0.4,0.5,0.8])width=np.pi/4*np.array([0.4,0.4,0.6,0.8,0.2,0.5,0.3])bars=ax.bar(theta,radii,width=width,bottom=0.0)forr,barinzip(radii,bars):bar.set_facecolor(cm.jet(r/10.))bar.set_alpha(0.6)forlabelinax.get_xticklabels()+ax.get_yticklabels():label.set_visible(False)forlineinax.get_ygridlines()+ax.get_xgridlines():line.set_lw(0.8)line.set_alpha(0.9)line.set_ls('-')line.set_color('0.5')ax.set_yticks(np.arange(1,9,2))ax.set_rmax(9)if__name__=='__main__':main_axes=add_math_background()add_polar_bar()add_matplotlib_text(main_axes)plt.show()