Re: [web2py] embed image from variable
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:}}
>
> {{pass}}
>
>
>
>
>
> 2013/10/31 Massimo Di Pierro >
>
>> 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:}}
>>
>> {{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:
>>>
>>>
>>>
>>> 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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Re: [web2py] embed image from variable
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:}}
{{pass}}
2013/10/31 Massimo Di Pierro
> 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:}}
>
> {{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:
>>
>>
>>
>> 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)
> ---
> You received this message because you are subscribed to the Google Groups
> "web2py-users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to web2py+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/groups/opt_out.
>
--
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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Re: [web2py] embed image from variable
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:}}
{{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:
>
>
>
> 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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Re: [web2py] embed image from variable
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: 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) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [web2py] embed image from variable
You do not return the image that way. You need two actions, one only
returns plot() (the binary data) and another would be a regular action
which display a link to the other action.
def myimage(): return plot()
def Testing(): return dict() # in view ...
On Tuesday, 29 January 2013 10:53:03 UTC-6, BlueShadow wrote:
>
> I did some experimenting the problem is putting the image into the return
> dict() or into any variable.
> I got no clue how to fix it or why that is the problem.
>
> On Tuesday, January 29, 2013 5:07:16 PM UTC+1, BlueShadow wrote:
>>
>> I tried that but it doesn't show an image it puts the img tag in the html
>> code and fills the src="binary" with the pinary stuff but no image is
>> displayed
>>
>> On Tuesday, January 29, 2013 4:53:33 PM UTC+1, rochacbruno wrote:
>>>
>>> I guess you can try
>>>
>>>
{{=IMG(_src=plotimg)}}
>>>
>>>
>>> or
>>>
>>>
>>>
>>>
>>>
--
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Re: [web2py] embed image from variable
I did some experimenting the problem is putting the image into the return
dict() or into any variable.
I got no clue how to fix it or why that is the problem.
On Tuesday, January 29, 2013 5:07:16 PM UTC+1, BlueShadow wrote:
>
> I tried that but it doesn't show an image it puts the img tag in the html
> code and fills the src="binary" with the pinary stuff but no image is
> displayed
>
> On Tuesday, January 29, 2013 4:53:33 PM UTC+1, rochacbruno wrote:
>>
>> I guess you can try
>>
>>
>>> {{=IMG(_src=plotimg)}}
>>
>>
>> or
>>
>>
>>
>>
>>
--
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Re: [web2py] embed image from variable
I tried that but it doesn't show an image it puts the img tag in the html
code and fills the src="" with the pinary stuff but no image is displayed
On Tuesday, January 29, 2013 4:53:33 PM UTC+1, rochacbruno wrote:
>
> I guess you can try
>
>
>> {{=IMG(_src=plotimg)}}
>
>
> or
>
>
>
>
>
--
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Re: [web2py] embed image from variable
I guess you can try
> {{=IMG(_src=plotimg)}}
or
--
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