[yt-users] data_source with SlicePlot

[Matthew Turk]

On Tue, Jul 9, 2013 at 8:41 AM, Elizabeth Tasker
<tasker at astro1.sci.hokudai.ac.jp> wrote:
> Hi Matt,
>
> Projection is fine: I'll just make it from a thin specified region.
>
> So, I can do a:
>
> projy = pf.h.proj(….)
>
> then
>
> p = projy.to_pw(…)
>
> but how can I set the font size? There doesn't seem to be an argument in the
> call:
>
> http://yt-project.org/doc/_modules/yt/data_objects/data_containers.html#AMRProjBase.to_pw
>
> will it accept:
>
> p.set_font({"size": 30}) ?

Yup.

>
>
> Elizabeth
>
>
>
> On Jul 9, 2013, at 9:24 PM, Matthew Turk <matthewturk at gmail.com> wrote:
>
> Hi Elizabeth,
>
> Sorry, I should have been more clear. PlotWindow is the type of object
> created by the call to SlicePlot, so to_pw(...) is similar to calling
> SlicePlot(...) (identical, really) except that you have greater
> control over the specific Slice data itself that is used.  I was just
> saying that you can construct the underlying object with more
> flexibility; it does not at all require a GUI.
>
> Looking over the code, as I was preparing an example, it actually
> looks to me like we don't have a data_source option presently.
> There's an open issue for re-adding this to 3.0, but reading the
> specifics for 2.5/2.6, it is not there.
>
> https://bitbucket.org/yt_analysis/yt/issue/521/ytslice-no-longer-has-a-data_source
>
> So right now, projections are your best bet for data_source-ful
> operations for images.
>
> -Matt
>
> On Jul 9, 2013 8:12 AM, "Elizabeth Tasker"
> <tasker at astro1.sci.hokudai.ac.jp> wrote:
>
>
> Hi Matt,
>
> So I'd need to have a physical pop-up plot window? That's a little
> problematic (many images created via a script and computer not local). Is
> FRB the only way round this atm?
>
>
> Could I make a request for the future that SlicePlot has the ability to take
> a data_source? add_slice has it, so perhaps this is generally quite useful?
> Or for add_slice to have a font option, though maybe that way of making
> images is being fazed out?
>
> Elizabeth
>
>
> On Jul 9, 2013, at 9:06 PM, Matthew Turk <matthewturk at gmail.com> wrote:
>
> Hi Elizabeth,
>
> Yup, it takes a slice - however it was created - and makes it into a plot
> window. So the idea is you create the underlying object and then you can get
> the plot window (rather than the FRB) and make the font adjustments and so
> on to that. Not all of the constructor arguments are exposed in to_pw but
> all of them can be set on the resultant object.
>
> One design choice made with the plot window was to avoid over-reaching -
> rather than make the constructor over complicated, we try to make it easy to
> make a plot window a different way.
>
> Matt
>
> On Jul 9, 2013 7:45 AM, "Elizabeth Tasker" <tasker at astro1.sci.hokudai.ac.jp>
> wrote:
>
>
> Hi Matt,
>
> Sorry; I don't understand.
>
> to_pw is "to plot window"?
>
> Does that allow me to specify a font size and create a png?
>
>
> Elizabeth
>
> On Jul 9, 2013, at 6:27 PM, Matthew Turk <matthewturk at gmail.com> wrote:
>
> Hi Elizabeth,
>
> On Tue, Jul 9, 2013 at 3:57 AM, Elizabeth Tasker
> <tasker at astro1.sci.hokudai.ac.jp> wrote:
>
> Hi everyone,
>
> I seem to have to make sad choice when creating slices or projections:
>
> I can't seem to both use a region as the data source for my slice/projection
> and also specify a font size for the legend / axis labels.
>
> With SlicePlot, I can use "fontsize" but there is no data_source argument.
>
> With add_projection (which isn't quite a slice but close enough), I have a
> data_source argument but "fontsize" isn't recognised (I also tried
> "p.set_font({"size": 30})" but to no avail).
>
> Is it possible to have a slice (or projection) with both these options
> available without resorting to creating frbs?
>
>
> What about making the slice, then using to_pw() on the slice object?
>
> sl = pf.h.slice(...)
> sl.to_pw(...)
>
> Or the same with projections?
>
> -Matt
>
>
> Thanks!
>
> Elizabeth
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