Re: [Matplotlib-users] Problem: Multiple plots with same variables plot incorrectly.

2006-06-01 Thread Louis Pecora
Christopher Barker wrote: Louis, This is standard num* array behavior: arrays are mutable, and MPL is not making copies of them when you plot, which is a good thing. by the way, slices of arrays are references too, which is different than python lists, so it can be surprising, but also usefu

Re: [Matplotlib-users] Problem: Multiple plots with same variables plot incorrectly.

2006-06-01 Thread Christopher Barker
Louis, This is standard num* array behavior: arrays are mutable, and MPL is not making copies of them when you plot, which is a good thing. by the way, slices of arrays are references too, which is different than python lists, so it can be surprising, but also useful # 1st Plo

Re: [Matplotlib-users] Problem: Multiple plots with same variables plot incorrectly.

2006-05-31 Thread Alan Isaac
On Wed, 31 May 2006, Louis Pecora wrote: > Is this good matplotlib behavior? I think so. It is Python behavior. You are using a mutable object, and the plot of this object changes when you chage the object. > Is it necessary to use new variables for each call of > plot? No. Just assign a ne

[Matplotlib-users] Problem: Multiple plots with same variables plot incorrectly.

2006-05-31 Thread Louis Pecora
I have some simple code (I've cut it down a lot, but kept the problem) that tries to plot two sets of data using the same variables. It appears that re-using the variables from the first plot for the second plot affects the first plot. In fact the two plots become identical. I am guessing th