[SciPy-user] help about imshow

[Dorian]

Saludos,

I can't understand what you are talking about !
Try to translate in English  may be it  will easy to help.

Gracias


On 06/03/2008, jose luis Lopez Martinez <lopmart at gmail.com> wrote:
>
> Saludos
>
> Como despliego una imagen con niveles de gris de 0 a 1?,porqe si le doy la
> siguiente informacion
> me despliega el 0.5 como si fuera el uno y no como la mitad de la escala
> de grises.
>
>
> from pylab import *
> from scipy import *
>
> H=array([[0.0,0.0,0.5,0.0,0.0],[0.0,0.0,0.0,0.0,0.0],[0.0,0.0,0.0,0.0,0.0
> ],[0.0,0.0,0.0,0.0,0.0],[0.0,0.0,0.0,0.0,0.0]])
>
> print H;
> figure()
> imshow(H,cmap=cm.gray)
>
> Asumo que el imshow realiza lo siguiente
>
>
> C=H.copy()
> C=C-C.min()
> C=C/C.max()
>
> figure()
> imshow(C,cmap=cm.gray)
> lo cual me da la misma imagen que la primera, es decir que el 0.5 lo toma
> como si fuera
> maximo valor de la escala de grises.Pero en realidad deberia desplegar
> visualmente un valor de
> gris intermedio y no el blanco(ya qu eel blanco solo lo debe mostrar si su
> valor es 1)
>
>
> gracias
>
>
>
> _______________________________________________
> SciPy-user mailing list
> SciPy-user at scipy.org
> http://projects.scipy.org/mailman/listinfo/scipy-user
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.scipy.org/pipermail/scipy-user/attachments/20080306/85118229/attachment.html>