Multiple Y-axis

Community matplotlib-users
#1

Hello,

We use Matplotlib for the generation of graphs.
This library seems very complete and powerful.

Nevertheless we have difficulty making a graph that represents multiple
curves with multiple Y-Axis.
We don't find how to add a new Y-Axis:

   - on the left Y-axis and on the left of the axis
   - or on the left Y-axis and on the right of the axis
   - or on the right of the Y-axis and on the left of the axis
   - or on the right of the Y-axis and on the right of the axis.

We want to be able to plot a curve using one Y-axis or the other

Did some of you already implement such a graph ?
Is there any documentation or example presenting similar graphs ?

We are looking for general indications and directions to follow to implement
such complex visualization, and would be pleased to receive any advice.
We are ready to precise our problem as well as possible.

Thanks in advance

···

--
Pierre-André Le Ny
Chef de produit SIG
Makina Corpus
--
View this message in context: http://www.nabble.com/Multiple-Y-axis-tf3795273.html#a10734643
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#2

Hi,

to the best of my knowledge, you have only the opportunity to use the left Y-axis and the right Y-axis (use twinx())

Benoit

···

Le 22-mai-07 à 11:44, PA a écrit :

Hello,

We use Matplotlib for the generation of graphs.
This library seems very complete and powerful.

Nevertheless we have difficulty making a graph that represents multiple
curves with multiple Y-Axis.
We don't find how to add a new Y-Axis:

   - on the left Y-axis and on the left of the axis
   - or on the left Y-axis and on the right of the axis
   - or on the right of the Y-axis and on the left of the axis
   - or on the right of the Y-axis and on the right of the axis.

We want to be able to plot a curve using one Y-axis or the other

Did some of you already implement such a graph ?
Is there any documentation or example presenting similar graphs ?

We are looking for general indications and directions to follow to implement
such complex visualization, and would be pleased to receive any advice.
We are ready to precise our problem as well as possible.

Thanks in advance

--
Pierre-André Le Ny
Chef de produit SIG
Makina Corpus
--
View this message in context: http://www.nabble.com/Multiple-Y-axis-tf3795273.html#a10734643
Sent from the matplotlib - users mailing list archive at Nabble.com.

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Dr. Benoit Donnet
Université Catholique de Louvain (UCL)
Faculté des Sciences Appliquées - Département d'Ingénierie Informatique (INGI)
Place Sainte Barbe, 2
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Phone: +32 10 47 87 18
Home page: http://www.info.ucl.ac.be/~donnet

#3

Is there any documentation or example presenting similar graphs ?

Take a look at two_scales.py from the examples (
http://matplotlib.sourceforge.net/matplotlib_examples_0.90.0.zip)

Bernhard