Thank you Massimo. Everything is working now. I misunderstood something.
Michele, thanks for the tip!
On Thursday, October 31, 2013 1:50:02 PM UTC-4, Michele Comitini wrote:
> Maybe you want "embed" in html which is much cooler it requires only one
> single request/response:
>
> def index():
> form = SQLFORM.factory(Field('x')).process()
>
> img64 = None
>
> if form.accepted:
> img = myplotfunction(form.vars.x)
> img64 = embed64(data=img,extension='image/png') # <- ! if img not
> png then change extension !
> return locals()
>
> {{=form}}
> {{if form.accepted:}}
> <img src="{{=img64}}" />
> {{pass}}
>
>
>
>
>
> 2013/10/31 Massimo Di Pierro <[email protected] <javascript:>>
>
>> Not sure I understand. You have every piece you need.
>>
>> def index():
>> form = SQLFORM.factory(Field('x')).process()
>> return locals()
>>
>> and in index.html()
>>
>> {{=form}}
>> {{if form.accepted:}}
>> <img src="{{=URL(f='myplotfunction'**, vars=dict(myvar=**
>> form.vars.x))}}"/>
>> {{pass}}
>>
>>
>> On Wednesday, 30 October 2013 14:55:50 UTC-5, Josh Myers wrote:
>>>
>>> I have all this working the same way as Massimo suggested with
>>> matplotlib, no problems.
>>>
>>> But, I can't for the life of me figure out how to pass a variable into
>>> the controller plot function from the view. This would be so I can, for
>>> example, ask the user to choose a variable through a form and then produce
>>> a histogram of that variable with matplotlib. Right now I have it working
>>> but only if the variable for the histogram is preset in the controller plot
>>> function.
>>>
>>> I tried to set the variable with request.vars like so:
>>>
>>> <img src="{{=URL(f='myplotfunction'**, vars=dict(myvar=**
>>> userselectedvar))}}"/>
>>>
>>> And then simply use request.vars.myvar in the function:
>>>
>>> def myplotfunction():
>>> ...
>>> return ...
>>>
>>> Where am I going wrong? I am misunderstanding syntax or how
>>> request.vars works?
>>>
>>> I would appreciate any help.
>>>
>>> - Josh
>>>
>>> --
>> Resources:
>> - http://web2py.com
>> - http://web2py.com/book (Documentation)
>> - http://github.com/web2py/web2py (Source code)
>> - https://code.google.com/p/web2py/issues/list (Report Issues)
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>
>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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