[Matplotlib-users] Zorder and Clip_on issues

[Gael Grissonnanche]

Hi everyone,



I had recently experienced a frustration regarding zorder and clip_on in
Matplotlib.



In figure 1 attached here, I would like to put blue horizontal error bars
above the x-axis. As you can see right now, half of it is cut by the x-axis
(for the blue point at H = 0). I used:



axes.errorbar(data[:,0], data[:,1], xerr=data[:,2], fmt='', ls ="", c = 'b',
capthick=2, elinewidth=2, clip_on = False, zorder = 10)



But even if I change zorder = 1000, the error bar never goes above the axis.
Is it a bug?



Regarding the same topic, I also discovered that when using axes.twinx() in
Figure 2 (A : axes; B : axes2 = axes.twinx()). The blue curve (A) never goes
above the red curve (B), whatever zorder I use. I even tried
axes2.set_axisbelow(True), but it doesn't change anything. I really want
"axes2" to be below the "axes". Is it a bug? I had to change it manually
with Illustrator and it worked, but it is of course really not convenient.



Thank you very much for your help !

[Benjamin Root]

Which version of matplotlib? This is familiar.... I could have sworn we
fixed this.

Ben Root

Post by Gael Grissonnanche
Hi everyone,
I had recently experienced a frustration regarding zorder and clip_on in
Matplotlib.
In figure 1 attached here, I would like to put blue horizontal error bars
above the x-axis. As you can see right now, half of it is cut by the x-axis
axes.errorbar(data[:,0], data[:,1], xerr=data[:,2], fmt='', ls ="", c =
‘b’, capthick=2, elinewidth=2, clip_on = False, zorder = 10)
But even if I change zorder = 1000, the error bar never goes above the
axis. Is it a bug?
Regarding the same topic, I also discovered that when using axes.twinx()
in Figure 2 (A : axes; B : axes2 = axes.twinx()). The blue curve (A) never
goes above the red curve (B), whatever zorder I use. I even tried
axes2.set_axisbelow(True), but it doesn’t change anything. I really want
“axes2” to be below the “axes”. Is it a bug? I had to change it manually
with Illustrator and it worked, but it is of course really not convenient.
Thank you very much for your help !
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[Gael Grissonnanche]

Thank you very for helping with this issue. I am using the last version 1.4.3 (if it is the last one).



Gaël



De : ***@gmail.com [mailto:***@gmail.com] De la part de Benjamin Root
Envoyé : 3 juillet 2015 22:41
À : Gael Grissonnanche
Cc : Matplotlib Users
Objet : Re: [Matplotlib-users] Zorder and Clip_on issues



Which version of matplotlib? This is familiar.... I could have sworn we fixed this.

Ben Root

On Jul 3, 2015 10:25 PM, "Gael Grissonnanche" <***@gmail.com <mailto:***@gmail.com> > wrote:

Hi everyone,



I had recently experienced a frustration regarding zorder and clip_on in Matplotlib.



In figure 1 attached here, I would like to put blue horizontal error bars above the x-axis. As you can see right now, half of it is cut by the x-axis (for the blue point at H = 0). I used:



axes.errorbar(data[:,0], data[:,1], xerr=data[:,2], fmt='', ls ="", c = ‘b’, capthick=2, elinewidth=2, clip_on = False, zorder = 10)



But even if I change zorder = 1000, the error bar never goes above the axis. Is it a bug?



Regarding the same topic, I also discovered that when using axes.twinx() in Figure 2 (A : axes; B : axes2 = axes.twinx()). The blue curve (A) never goes above the red curve (B), whatever zorder I use. I even tried axes2.set_axisbelow(True), but it doesn’t change anything. I really want “axes2” to be below the “axes”. Is it a bug? I had to change it manually with Illustrator and it worked, but it is of course really not convenient.



Thank you very much for your help !