importnumpyasnpimportmatplotlibasmplimportmatplotlib.pyplotaspltcmap=mpl.bivar_colormaps['BiPeak']x_0=np.arange(25,dtype='float32').reshape(5,5)%5x_1=np.arange(25,dtype='float32').reshape(5,5).T%5x_0,x_1=x_0+0.3*x_1,x_0*-0.3+x_1,fig,axes=plt.subplots(1,3,figsize=(6,2))axes[0].imshow(x_0,cmap=cmap[0])axes[1].imshow(x_1,cmap=cmap[1])axes[2].imshow((x_0,x_1),cmap=cmap)axes[0].set_title('data 0')axes[1].set_title('data 1')axes[2].set_title('data 0 and 1')

fig,axes=plt.subplots(1,6,figsize=(10,2.3))axes[0].imshow((x_0,x_1),cmap='BiPeak',interpolation='nearest')axes[1].matshow((x_0,x_1),cmap='BiPeak')axes[2].pcolor((x_0,x_1),cmap='BiPeak')axes[3].pcolormesh((x_0,x_1),cmap='BiPeak')x=np.arange(5)y=np.arange(5)X,Y=np.meshgrid(x,y)axes[4].pcolormesh(X,Y, (x_0,x_1),cmap='BiPeak')patches= [mpl.patches.Wedge((.3,.7),.1,0,360),# Full circlempl.patches.Wedge((.7,.8),.2,0,360,width=0.05),# Full ringmpl.patches.Wedge((.8,.3),.2,0,45),# Full sectormpl.patches.Wedge((.8,.3),.2,22.5,90,width=0.10),# Ring sector]colors_0=np.arange(len(patches))//2colors_1=np.arange(len(patches))%2p=mpl.collections.PatchCollection(patches,cmap='BiPeak',alpha=0.5)p.set_array((colors_0,colors_1))axes[5].add_collection(p)axes[0].set_title('imshow')axes[1].set_title('matshow')axes[2].set_title('pcolor')axes[3].set_title('pcolormesh (C)')axes[4].set_title('pcolormesh (X, Y, C)')axes[5].set_title('PatchCollection')fig.tight_layout()