Re: [Matplotlib-users] scatter plot individual alpha values

2012-11-06 Thread mpelko
I would also love to have this implemented. That is being able to not only set the colors, but also the alpha values as an array. -- View this message in context: http://matplotlib.1069221.n5.nabble.com/scatter-plot-individual-alpha-values-tp21106p39671.html Sent from the matplotlib - users ma

Re: [Matplotlib-users] scatter plot individual alpha values

2012-08-08 Thread Warren Weckesser
On Wed, Aug 8, 2012 at 3:34 PM, Gustavo Goretkin wrote: > I can use the scatter function to plot an array of points and give a > corresponding array of colors to set those points. Is it possible to > do the same thing with alpha values? > > Right now, I'm restoring to calling plot with an 'o' mar

Re: [Matplotlib-users] scatter plot individual alpha values

2012-08-08 Thread Damon McDougall
On Wed, Aug 08, 2012 at 05:22:49PM -0400, Tony Yu wrote: > On Wed, Aug 8, 2012 at 4:34 PM, Gustavo Goretkin > wrote: > > > I can use the scatter function to plot an array of points and give a > > corresponding array of colors to set those points. Is it possible to > > do the same thing with alpha

Re: [Matplotlib-users] scatter plot individual alpha values

2012-08-08 Thread Tony Yu
On Wed, Aug 8, 2012 at 4:34 PM, Gustavo Goretkin wrote: > I can use the scatter function to plot an array of points and give a > corresponding array of colors to set those points. Is it possible to > do the same thing with alpha values? > > Right now, I'm restoring to calling plot with an 'o' mar

Re: [Matplotlib-users] scatter plot with constant x

2012-06-22 Thread DParker
M Subject: Re: [Matplotlib-users] scatter plot with constant x On Tue, Jun 5, 2012 at 11:53 AM, Ulrich vor dem Esche < ulrich.es...@googlemail.com> wrote: Hey! :o) This should be simple, but i cant manage: I need to plot many dots with the same x, like plt.plot([3,3,3,3],[60,80,120,180],

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Stan West
> From: Eric Firing [mailto:efir...@hawaii.edu] > Sent: Wednesday, June 06, 2012 13:41 > To: matplotlib-users@lists.sourceforge.net > Subject: Re: [Matplotlib-users] scatter plot with constant x > > On 06/06/2012 06:42 AM, Ethan Gutmann wrote: > >> ... &

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Ethan Gutmann
On Jun 6, 2012, at 11:41 AM, Eric Firing wrote: > Since we end up needing float64 anyway: > > In [3]: %timeit l=np.empty(1,dtype=np.float64); l.fill(3) > 10 loops, best of 3: 14.1 us per loop nice, fill and empty seem to be responsible for about half the speed up each, good tools to kno

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Eric Firing
On 06/06/2012 06:42 AM, Ethan Gutmann wrote: >> ... >> No, but you can do this: >> >> plt.plot([3] * 4, [60, 80, 120, 180], ...) > > This started from a simple enough question, but it got me thinking about what > the fastest way to do this is (in case you have HUGE arrays, or many loops > over th

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Michael Droettboom
On 06/06/2012 12:54 PM, Ethan Gutmann wrote: > On Jun 6, 2012, at 10:49 AM, Michael Droettboom wrote: >> Interesting result. Note, however, that matplotlib will eventually turn >> all data arrays into float64 at rendering time, so any speed advantage >> to using integers will be lost by the subseq

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Ethan Gutmann
On Jun 6, 2012, at 10:49 AM, Michael Droettboom wrote: > Interesting result. Note, however, that matplotlib will eventually turn > all data arrays into float64 at rendering time, so any speed advantage > to using integers will be lost by the subsequent conversion, I suspect. I don't think it d

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Michael Droettboom
On 06/06/2012 12:42 PM, Ethan Gutmann wrote: >> ... >> No, but you can do this: >> >> plt.plot([3] * 4, [60, 80, 120, 180], ...) > Using int16, int32, float32 get progressively slower to the default float64 > case listed on line [5], changing the datatype in other methods doesn't > result in near

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Ethan Gutmann
> ... > No, but you can do this: > > plt.plot([3] * 4, [60, 80, 120, 180], ...) This started from a simple enough question, but it got me thinking about what the fastest way to do this is (in case you have HUGE arrays, or many loops over them). This may be old news to some of you, but I though

Re: [Matplotlib-users] scatter plot with constant x

2012-06-06 Thread Benjamin Root
On Tue, Jun 5, 2012 at 11:53 AM, Ulrich vor dem Esche < ulrich.es...@googlemail.com> wrote: > Hey! :o) > This should be simple, but i cant manage: I need to plot many dots with > the same x, like > > plt.plot([3,3,3,3],[60,80,120,180],'+',markersize=8,mec='k') > > The array for x values is silly,

Re: [Matplotlib-users] Scatter plot with a specific size per point

2012-03-26 Thread Tony Yu
On Mon, Mar 26, 2012 at 8:26 AM, Matthieu Brucher < matthieu.bruc...@gmail.com> wrote: > Indeed, a little bit less simple, but the solution nonetheless. > > Thank you! > > > 2012/3/26 Zachary Pincus > >> > I'd like to display a scatter plot where the size for each element is >> fixed. Currently,

Re: [Matplotlib-users] Scatter plot with a specific size per point

2012-03-26 Thread Matthieu Brucher
Indeed, a little bit less simple, but the solution nonetheless. Thank you! 2012/3/26 Zachary Pincus > > I'd like to display a scatter plot where the size for each element is > fixed. Currently, when I modify the size of the figure, the size of a > marker is fixed, and I would like it to be prop

Re: [Matplotlib-users] Scatter plot with a specific size per point

2012-03-26 Thread Zachary Pincus
> I'd like to display a scatter plot where the size for each element is fixed. > Currently, when I modify the size of the figure, the size of a marker is > fixed, and I would like it to be proportional to the window. > I want this because the size of the marker indicates an extent, and I would >

Re: [Matplotlib-users] scatter plot without edge color

2011-10-15 Thread Chao YUE
cool. it's done!! Thanks!!! Chao 2011/10/15 Tony Yu > > > On Sat, Oct 15, 2011 at 8:55 AM, Chao YUE wrote: > >> Dear all, >> >> how can I make a scatter plot without edgecolor? >> >> import matplotlib.pyplot as plt >> In [110]: plt.scatter(np.arange(10),np.arange(10,20),edgecolor=None) >> Out[

Re: [Matplotlib-users] scatter plot without edge color

2011-10-15 Thread Tony Yu
On Sat, Oct 15, 2011 at 8:55 AM, Chao YUE wrote: > Dear all, > > how can I make a scatter plot without edgecolor? > > import matplotlib.pyplot as plt > In [110]: plt.scatter(np.arange(10),np.arange(10,20),edgecolor=None) > Out[110]: > > in this case I can use edgecolor='w' to solve it, but when

Re: [Matplotlib-users] scatter plot without edge color

2011-10-15 Thread Durrieu Jean-Louis
Hi Chao! On Oct 15, 2011, at 2:55 PM, Chao YUE wrote: > import matplotlib.pyplot as plt > In [110]: plt.scatter(np.arange(10),np.arange(10,20),edgecolor=None) > Out[110]: > > in this case I can use edgecolor='w' to solve it, but when points overlap, > this does not work anymore. > Any help will

Re: [Matplotlib-users] Scatter Plot with different colors

2010-10-10 Thread Alessio Civ
Thanks Goyo and Jae-Joon Lee. It worked! it worked! Goyo wrote: > > 2010/10/10 Alessio Civ : >> >> >> Please, can someone help me? I've been digging the documentation, but I >> can't find a way to do this. > > ¿Didn't you get my message on oct-5? I didn't send it to the list by > mistake: >

Re: [Matplotlib-users] Scatter Plot with different colors

2010-10-10 Thread Alessio Civ
Hi, thanks for reply. My problem is that I need to scatter data of different periods but in the same x. For example, the quantity x sold in March is 1 at price y of 2, the quantity sold in April is 2 at price y of 3. I want the 2 points to have different colors in the same graph! Now I'm doing

Re: [Matplotlib-users] Scatter Plot with different colors

2010-10-10 Thread Goyo
2010/10/10 Alessio Civ : > > > Please, can someone help me? I've been digging the documentation, but I > can't find a way to do this. ¿Didn't you get my message on oct-5? I didn't send it to the list by mistake: --%< Make

Re: [Matplotlib-users] Scatter Plot with different colors

2010-10-09 Thread Alessio Civ
Please, can someone help me? I've been digging the documentation, but I can't find a way to do this. Alessio Civ wrote: > > Hi, > > I'm trying to make a scatter plot of 2 variables using a thirds as filter > to have different colors. > > Let's say I have those data: > > x=1,2,3,4 > y=2,3,4,

Re: [Matplotlib-users] Scatter Plot with different colors

2010-10-06 Thread Jae-Joon Lee
On Tue, Oct 5, 2010 at 11:07 PM, Alessio Civ wrote: > > Hi, > > I'm trying to make a scatter plot of 2 variables using a thirds as filter to > have different colors. > > Let's say I have those data: > > x=1,2,3,4 > y=2,3,4,5 > z=0,1,0,1 > > Then I want the values of x and y corresponding to those

Re: [Matplotlib-users] scatter plot

2009-05-20 Thread Matthias Michler
On Tuesday 19 May 2009 14:07:27 Bala subramanian wrote: > Friends, > > Someone please suggest me how to make scatter plot with a matrix data such > as the one attached. Is is possible to feed a matrix to scatter function > directly and plot the value in each row of the matrix. > > Thanks, > Bala H

Re: [Matplotlib-users] scatter plot onto background image

2008-02-10 Thread John Hunter
On Feb 10, 2008 9:43 AM, John Hunter <[EMAIL PROTECTED]> wrote: > > I want to create a scatter plot onto a background image. Anybody could help > > me?Thank you! > > The mri_demo.py example in the matplotlib/examples in the src > distribution illustrates this. Sorry -- wrong example. The example

Re: [Matplotlib-users] scatter plot onto background image

2008-02-10 Thread John Hunter
2008/2/9 He Jibo <[EMAIL PROTECTED]>: > Hi, Everyone, > > I want to create a scatter plot onto a background image. Anybody could help > me?Thank you! The mri_demo.py example in the matplotlib/examples in the src distribution illustrates this. --

Re: [Matplotlib-users] scatter plot onto background image

2008-02-09 Thread Arnar Flatberg
Hi He 2008/2/10 He Jibo <[EMAIL PROTECTED]>: > Hi, Arnar, > > Thank you for your great help!This is what I need! But this code has some > warnings, could you please help me debug it? Thank you ! > > the first error is : > Traceback (most recent call last): > File "D:/Program Files/python 2.4.3/

Re: [Matplotlib-users] scatter plot onto background image

2008-02-09 Thread Gary Ruben
Hi Jibo, I'm not sure of your reasons for wanting to do this, but you might find the psychopy package of interest: http://www.psychopy.org/ Gary R. He Jibo wrote: > Hi, Everyone, > > I want to create a scatter plot onto a background image. Anybody could > help me?Thank you! > > The backgrou

Re: [Matplotlib-users] scatter plot onto background image

2008-02-09 Thread Arnar Flatberg
> The background.PNG is shown full screen with a resolution of 1024*768. The > data in the fixation_xy.txt is the coordinates of eye-movement data, first > column for X axis, second column for Y axis. I wish to do a scatter plot > with the data onto background.PNG. Please give me a helping hand how