[yt-users] Output Resolution

[David Collins]

I have a follow up question--

What determines the size of the temporary 2dAMR object?  And what
determines the size of the buffer that ultimately gets turned into the
png (or, what's the mechanism and where is that conversion done)?

d.

On Wed, Mar 25, 2009 at 3:02 PM, Matthew Turk <matthewturk at gmail.com> wrote:
> Hi Dave,
>
> YT doesn't do any modification of the DPI that matplotlib knows about.
>  You can see what the default is with:
>
> import matplotlib
> matplotlib.rcParams["savefig.dpi"]
>
> For me, it defaults to 100.  (The parameter figure.dpi controls
> displayed, for instance in a PlotCollectionInteractive.)  If you
> modify this parameter at the start of your script, or in your
> matplotlibrc file, you can change the default dpi, which then affects
> the size of the figure coming out of your save commands.   (There is
> some rather old, but probably mostly relevant, documentation here:
> http://www.scipy.org/Cookbook/Matplotlib/AdjustingImageSize and then a
> bit more up to date discussion here:
> http://matplotlib.sourceforge.net/faq/installing_faq.html?highlight=dpi#id1
> )
>
> To change your DPI to another value on output, you can modify this parameter:
>
> import matplotlib
> matplotlib.rcParams["savefig.dpi"] = 300
>
> for instance.
>
> Hope that helps!
>
> -Matt
>
> On Wed, Mar 25, 2009 at 2:52 PM, david collins <antpuncher at gmail.com> wrote:
>> Hi there--
>>
>> What's the relationship between the resolution of a plot and the
>> fig_size argument in add_projection?  Is there a dpi flag somewhere,
>> or something so I can control the number of pixels in the output
>> image?
>>
>> Thanks,
>> d.
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