Re: [matplotlib-devel] Large datasets performance....

[Gökhan S. <gok...@gm...>]

On Wed, Jun 17, 2009 at 9:25 AM, Nicolas Rougier
<Nic...@lo...>wrote:

>
> Hello,
>
> To give you some hints on performances using OpenGL, you can have a look
> at glumpy: http://www.loria.fr/~rougier/tmp/glumpy.tgz<http://www.loria.fr/%7Erougier/tmp/glumpy.tgz>
> (It requires pyglet for the OpenGL backend).
>
> It is not yet finished but it is usable. Current version allows to
> visualize static numpy float32 array up to 8000x8000  and dynamic numpy
> float32 array around 500x500 depending on GPU hardware (dynamic means
> that you update image at around 30 fps/second).
>
> The idea behind glumpy is to directly translate a numpy array into a
> texture and to use shaders to make the colormap transformation and
> filtering (nearest, bilinear or bicubic).
>
> Nicolas


Nicholas,

How do you run a the demo scripts in glumpy?

I get errors both with Ipython run and python script_name.py

In [1]: run demo-simple.py
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)

/home/gsever/glumpy/demo-simple.py in <module>()
     20 #
     21 #
-----------------------------------------------------------------------------
---> 22 import glumpy
     23 import numpy as np
     24 import pyglet, pyglet.gl as gl

/home/gsever/glumpy/glumpy/__init__.py in <module>()
     23 import colormap
     24 from color import Color
---> 25 from image import Image
     26 from trackball import Trackball
     27 from app import app, proxy

/home/gsever/glumpy/glumpy/image.py in <module>()
     25
     26
---> 27 class Image(object):
     28     ''' '''
     29     def __init__(self, Z, format=None, cmap=colormap.IceAndFire,
vmin=None,

/home/gsever/glumpy/glumpy/image.py in Image()
    119         return self._cmap
    120
--> 121     @cmap.setter
    122     def cmap(self, cmap):
    123         ''' Colormap to be used to represent the array. '''

AttributeError: 'property' object has no attribute 'setter'
WARNING: Failure executing file: <demo-simple.py>





[gsever@ccn glumpy]$ python demo-cube.py
Traceback (most recent call last):
  File "demo-cube.py", line 22, in <module>
    import glumpy
  File "/home/gsever/glumpy/glumpy/__init__.py", line 25, in <module>
    from image import Image
  File "/home/gsever/glumpy/glumpy/image.py", line 27, in <module>
    class Image(object):
  File "/home/gsever/glumpy/glumpy/image.py", line 121, in Image
    @cmap.setter
AttributeError: 'property' object has no attribute 'setter'


Have Python 2.5.2...