Re: [Matplotlib-users] Problem with .png files?

[Wayne E. Harlan]

Not quite.  The figure opens at the correct size in the gimp but all I 
see is background - no plot stuff.

Wayne

Michael Droettboom wrote:
> This is now added in SVN, and only for the Agg backend(s).  It won't 
> work with some of the other ways to save PNG files, such as Gdk, Wx 
> (non-Agg) and Cairo.  If anyone was any thoughts about how to support 
> saving the resolution in those backends, please share.
>
> Also note that resolution is saved in "dots per meter" in PNG files, 
> so rounding error makes things slightly off -- for instance, 100 dpi 
> is shows up as 99.999998 dpi in the GIMP.
>
> Cheers,
> Mike
>
> Michael Droettboom wrote:
>> I'll look into this.  I actually made a similar fix on another 
>> project I used to work on...  It should be theoretically possible, 
>> barring any roadblocks from how matplotlib is doing things.
>>
>> Cheers,
>> Mike
>>
>> Wayne E. Harlan wrote:
>>> I would like to follow up on my first response to Bill.  It probably 
>>> should be a new thread, but I'll start here.  When png files are 
>>> saved with a DPI=300 argument, and I open them in the Gimp, the dpi 
>>> is only 72 (default ?).  As I understand it, the dpi setting in the 
>>> graphics file tells the application opening it how big to display 
>>> it.  When I use savefig with a DPI=300 and the plot figure I am 
>>> saving was created with figsize=(6,4.5) I expect the figure to open 
>>> in word or swriter at the size I specified (6" by 4.5") with the 
>>> appropriate number of pixels.  However, at present, that does not 
>>> happen.  The number of pixels in the figure is correct but I have to 
>>> resize it manually to get the right size.  Can this be fixed ?
>>>
>>> Thanks,
>>>
>>> Wayne
>>>
>>> Bill Dandreta wrote:
>>>> I resolved the problem. It was unrelated to mpl. xv and gimp were
>>>> complied w/o png support. Recompiling with png support resolved the 
>>>> problem.
>>>>
>>>>   
>>> ------------------------------------------------------------------------- 
>>>
>>> This SF.net email is sponsored by: Splunk Inc.
>>> Still grepping through log files to find problems?  Stop.
>>> Now Search log events and configuration files using AJAX and a browser.
>>> Download your FREE copy of Splunk now >> http://get.splunk.com/
>>> _______________________________________________
>>> Matplotlib-users mailing list
>>> Matplotlib-users@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>>
>

-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users