The setting of the new ticklabels works now. But the first label is
attached to the second tick. I tried to adapt the clim range by using
the vmin and vmax option of pcolor but it did not help.
I also still have the problem that the changes are only performed on the
last two subplots (in one loop run). The code of the plotting loop is:
for i in range(len(fname)):
# Load data from file
data1_amp = np.loadtxt(fname[4*i])
data1_phase = np.loadtxt(fname[4*i+1])
data2_amp = np.loadtxt(fname[4*i+2])
data2_phase = np.loadtxt(fname[4*i+3])
# Display data using pcolor
ax1 = fig1.add_subplot(len(fname)/4,4,4*i+1)
pc1 = ax1.pcolorfast(data1_amp,cmap=mpl.cm.Oranges)
ax1.set_xlim((0,250))
ax1.set_ylim((0,256))
ax1.set_xticklabels('')
ax1.set_yticklabels('')
cb1 = fig1.colorbar(pc1,ax=ax1,orientation='horizontal',pad=0.00)
cb1.ax.set_xticklabels(range(5),fontsize=10)
ax2 = fig1.add_subplot(len(fname)/4,4,4*i+2)
pc2 = ax2.pcolorfast(data1_phase,cmap=nat_per)
ax2.set_xlim((0,250))
ax2.set_ylim((0,256))
ax2.set_xticklabels('')
ax2.set_yticklabels('')
cb2 = fig1.colorbar(pc2,ax=ax2,orientation='horizontal',pad=0.00,
ticks=[-np.pi,-np.pi/2,0,np.pi/2,np.pi])
cb2.ax.set_xticklabels(range(5),fontsize=10)
ax3 = fig1.add_subplot(len(fname)/4,4,4*i+3)
pc3 = ax3.pcolorfast(data2_amp,cmap=mpl.cm.Oranges)
ax3.set_xlim((0,250))
ax3.set_ylim((0,256))
ax3.set_xticklabels('')
ax3.set_yticklabels('')
cb3 = fig1.colorbar(pc1,ax=ax3,orientation='horizontal',pad=0.00)
cb3.ax.set_xticklabels(range(5),fontsize=10)
ax4 = fig1.add_subplot(len(fname)/4,4,4*i+4)
pc4 =
ax4.pcolorfast(data2_phase,cmap=nat_per,vmin=-np.pi-0.1,vmax=np.pi+0.001)
ax4.set_xlim((0,250))
ax4.set_ylim((0,256))
ax4.set_xticklabels('')
ax4.set_yticklabels('')
cb4 = fig1.colorbar(pc2,ax=ax4,orientation='horizontal',pad=0.00,
ticks=[-np.pi, -np.pi/2, 0.0, np.pi/2, np.pi])
cb4.ax.set_xticklabels([r'$-\pi$', r'$-\frac{\pi}{2}$', r'$0$',
r'$\frac{\pi}{2}$', r'$\pi$'],fontsize=10)
Daniel
Jouni K. Seppänen wrote:
> Daniel Platz <mail.to.daniel.pl...@googlemail.com> writes:
>
>> t = cb4.ax.get_xticklabels()
>> for j in t:
>> j.set_text(r'$\pi$')
>> j.set_fontsize(10)
>> j.set_family('serif')
>
> Try cb4.ax.set_xticklabels([r'$-\pi$', ...]); draw()
>
>> Another problem is that I want to adjust the fontsize of the colorbar
>> ticklabels on four subplots. This only works for the last two subplots
>> with the syntax shown above. The same syntax has no effect on the first
>> two subplots.
>
> You should be able to pass font properties to set_xticklabels. If that
> doesn't work, please post a complete example.
>
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