Re: [Matplotlib-users] Zooming into plots?

2011-01-28 Thread Benjamin Root
On Wednesday, January 26, 2011, Soumyaroop Roy soumyar...@gmail.com wrote:
 Hi Ben:

 That's encouraging!

 I want to be able plot up to N data points (the points are in an
 ordered sequence) on a canvas and then zoom into the plot region
 enclosed within a subset sequence (e.g., T1 to T2 data points, 0 = T1
  T2 =N) by putting two cursors - one on T1 and the other one on T2.

 regards,
 Soumyaroop


One way to do that would be to set the x and/or y limits based on the
min/max of the slice of data you want to view.  For example:

import numpy as np
Import matplotlib.pyplot as plt

X = np.linspace(0, 5*np.pi, 100)
Y = np.sin(X)
plt.plot(X, Y)

iStart = 50
iEnd = 78

plt.xlim(X[iStart:iEnd].min(), X[iStart, iEnd].max())
plt.ylim(Y[iStart:iEnd].min(), Y[iStart, iEnd].max())

plt.show()

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[Matplotlib-users] Zooming into plots?

2011-01-26 Thread Soumyaroop Roy
Hi there:

Does matplotlib have provide any feature to allow zooming into plot
regions like a waveform viewer does?

regards,
Soumyaroop

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Re: [Matplotlib-users] Zooming into plots?

2011-01-26 Thread Benjamin Root
On Wednesday, January 26, 2011, Soumyaroop Roy soumyar...@gmail.com wrote:
 Hi there:

 Does matplotlib have provide any feature to allow zooming into plot
 regions like a waveform viewer does?

 regards,
 Soumyaroop


Mpl offers full control of the plot display.  Maybe if you offer an
example of what you are looking for, we might be able to point you to
a way to do what you want?

Ben Root

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Re: [Matplotlib-users] Zooming into plots?

2011-01-26 Thread Soumyaroop Roy
Hi Ben:

That's encouraging!

I want to be able plot up to N data points (the points are in an
ordered sequence) on a canvas and then zoom into the plot region
enclosed within a subset sequence (e.g., T1 to T2 data points, 0 = T1
 T2 =N) by putting two cursors - one on T1 and the other one on T2.

regards,
Soumyaroop

On Wed, Jan 26, 2011 at 6:44 PM, Benjamin Root ben.r...@ou.edu wrote:
 On Wednesday, January 26, 2011, Soumyaroop Roy soumyar...@gmail.com wrote:
 Hi there:

 Does matplotlib have provide any feature to allow zooming into plot
 regions like a waveform viewer does?

 regards,
 Soumyaroop


 Mpl offers full control of the plot display.  Maybe if you offer an
 example of what you are looking for, we might be able to point you to
 a way to do what you want?

 Ben Root


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Download using promo code Free_Logger_4_Dev2Dev. Offer expires 
February 28th, so secure your free ArcSight Logger TODAY! 
http://p.sf.net/sfu/arcsight-sfd2d
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