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
>
>
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