Opa, eu sei eu tentei isso, vo fazer um na unha e ver o que 
ocorre... qualquer coisa volto aqui! =)

[]s

Marcello.
  

> Fala Marcelo,
> no arquivo Archetypes/Field.py você encontra o seguinte:
> 
> 
> class ImageField(FileField):
>     """ implements an image attribute. it stores
>         it's data in an image sub-object
> 
> 
>         sizes is an dictionary containing the sizes to
>         scale the image to. PIL is required for that.
> 
> 
>         Format:
>         sizes={'mini': (50,50),
>                'normal' : (100,100), ... }
>         syntax: {'name': (width,height), ... }
> 
> 
>         the scaled versions can then be accessed as
>         object/<imagename>_<scalename>
> 
> 
>         e.g. object/image_mini
> 
> 
>         where <imagename> is the fieldname and <scalename>
>         is the name from the dictionary
> 
> 
>         original_size -- this parameter gives the size in (w,h)
>         to which the original image will be scaled. If it's None,
>         then no scaling will take place.
>         This is important if you don't want to store megabytes of
>         imagedata if you only need a max. of 100x100 ;-)
> 
> 
>         max_size -- similar to max_size but if it's given then the
> image
>                     is checked to be no bigger than any of the given
> values
>                     of width or height.
> 
> 
>         example:
> 
> 
>         ImageField('image',
>             original_size=(600,600),
>             sizes={ 'mini' : (80,80),
>                     'normal' : (200,200),
>                     'big' : (300,300),
>                     'maxi' : (500,500)})
> 
> 
>         will create an attribute called "image"
>         with the sizes mini, normal, big, maxi as given
>         and a original sized image of max 600x600.
>         This will be accessible as
>         object/image
> 
> 
>         and the sizes as
> 
> 
>         object/image_mini
>         object/image_normal
>         object/image_big
>         object/image_maxi
> 
> 
>         the official API to get tag (in a pagetemplate) is
>         obj.getField('image').tag(obj, scale='mini')
>         ...
> 
> 
>         sizes may be the name of a method in the instance or a
> callable which
>         returns a dict.
>         
>         Don't remove scales once they exist! Instead of removing a
> scale
>         from the list of sizes you should set the size to (0,0). Thus
>         removeScales method is able to find the scales to delete the
>         data.
> 
> 
>         Scaling will only be available if PIL is installed!
> 
> 
>         If 'DELETE_IMAGE' will be given as value, then all the images
>         will be deleted (None is understood as no-op)
>         """
> 
> 
> Ou seja, se seu campo se chama image e sua escala banner, basta chamar
> contexto_objeto/image_banner e você tem a imagem redimensionada.
> 
> 
> A única exigência aqui é a PIL, naturalmente.
> 
> 
> Revisa suas definições e se der problema, mande detalhes ;)
> 
> 
> Abraços.
> 
> 2009/7/11 Marcello Bontempo Salgueiro <mbsalgue...@linuxmail.org>
>         
>         
>         Salve a todos!
>         
>         Galera estou com uma pequena duvida, fiz um produdo de
>         portifolio que
>         tem duas classes, uma chamada Portifolio e outra Imagem e na
>         classe
>         imagem eu tenho um atributo do tipo image e coloquei um
>         valuetag sizes
>         com o valor {'ver':(500,400),'thumb':(58,58)} só que 
>         montei minha pagetemplate assim:
>         
>         $objeto/getURL/Imagem_ver 
>         
>         ele não redimensiona a imagem para 500,400 alguem pode da uma
>         forca!?
>         
>         []s
>         
>         Marcello.
>         
>         
>         
>         
>         
> 
> 
> 
> -- 
> 
> 
> 
> -- 
> Rodrigo Castardo
> Liberiun
> COO
> rodrigocasta...@liberiun.com
> +55 61 9123-7847
> +55 61 3468-2662
> 
> 

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