Give it a shot, if you will: http://fsi.it.jyu.fi/animation
On Aug 23, 3:45 pm, Henri Heinonen <henri.heino...@gmail.com> wrote:
> Thank you! It works. :)
>
> On Aug 23, 3:40 pm, Anthony <abasta...@gmail.com> wrote:
>
> > In index(), the value of 'image' ends up being the URL
> > '/cavityflow/default/cavityflow_plot', which is not the URL of the image you
> > want to load. Instead, that URL itself ultimately just returns another URL,
> > '/cavityflow/static/images/cavityflow.gif'. So, your img src attribute is
> > pointing to a string representation of the URL of the image, not the image
> > itself.
>
> > Instead, just have the index function create the image in /static/images,
> > and use the image URL as the src attribute, like this:
>
> > def index():
> > [snip]
> > if form.accepts(request.vars, session, keepvalues=True):
> > [snip]
> > cavityflow_plot() # this creates the image and saves it in the
> > static folder
> > image=URL('static','images/cavityflow.gif')
> > return dict(form=form, image=image)
> > Note, as is, the cavityflow_plot() function is accessible as a URL. Since
> > you are only using it internally and probably do not need/want to it be
> > accessible via URL, you should either give it at least one argument or
> > precede its name with a double underscore (controller functions that take
> > arguments or start with a double underscore are not publicly exposed --
> > seehttp://web2py.com/book/default/chapter/04#Dispatching).
>
> > Anthony
>
> > On Tuesday, August 23, 2011 6:02:51 AM UTC-4, Henri Heinonen wrote:
> > > Ok.
>
> > > This is the default/index.html:
> > > {{extend 'layout.html'}}
> > > <h1>cavityflow</h1>
> > > {{=form}}
> > > {{if image:}}
> > > <hr />
> > > <h2>Constants</h2>
> > > <p>These are the constants that were used during the simulations.</p>
> > > {{=BEAUTIFY(request.vars)}}
> > > <h2>Figure</h2>
> > > <img src="{{=image}}" alt="loading..."/>
> > > {{pass}}
>
> > > This is the default.py:
> > >http://pastebin.com/VGE69RG1
>
> > > Does this work for you?
>
> > > On Aug 22, 1:10 pm, Henri Heinonen <henri.h...@gmail.com> wrote:
> > > > default/index.html:
> > > > {{extend 'layout.html'}}
> > > > <h1>cavityflow</h1>
> > > > {{=form}}
> > > > {{if image:}}
> > > > <hr />
> > > > <h2>Figure</h2>
> > > > <img src="{{=image}}" alt="loading..."/>
> > > > {{pass}}
>
> > > > default.py:
> > > > def index():
> > > > form=FORM('nx:', INPUT(_name='nx', _value=20.0), BR(), 'ny:',
> > > > INPUT(_name='ny', _value=20.0), BR(), 'nt:', INPUT(_name='nt',
> > > > _value=100.0), BR(), 'nit:', INPUT(_name='nit', _value=100.0), BR(),
> > > > 'dt:', INPUT(_name='dt', _value=0.01), BR(), 'vis:',
> > > > INPUT(_name='vis', _value=0.1), BR(), 'rho:', INPUT(_name='rho',
> > > > _value=1.0), BR(), INPUT(_type='submit',_value='Make figure'))
>
> > > > image=None
> > > > if form.accepts(request.vars, session, keepvalues=True):
> > > > session.flash = 'Form accepted.'
> > > > session.nx=float(request.vars.nx)
> > > > session.ny=float(request.vars.ny)
> > > > session.nt=float(request.vars.nt)
> > > > session.nit=float(request.vars.nit)
> > > > session.dt=float(request.vars.dt)
> > > > session.vis=float(request.vars.vis)
> > > > session.rho=float(request.vars.rho)
> > > > image=URL(r=request,f='cavityflow_plot')
> > > > return dict(form=form, image=image)
>
> > > > def cavityflow_plot():
> > > > return cavityflow(session.nx, session.ny, session.nt, session.nit,
> > > > session.dt, session.vis, session.rho)
>
> > > > def cavityflow(nx, ny, nt, nit, dt, vis, rho):
> > > > ...*clip* *clip* ... # Here the application will make one hundred png
> > > > images.
> > > > os.system("convert *.png cavityflow.gif")
> > > > # What do I need to add in here in order to return the cavityflow.gif
> > > > onto the webpage of my application?
>
> > > > The question is in the source code as a comment line.
>
> > > > Yours sincerely, Henri Heinonen.
>
>
