The patch seems to work - the MacOSX backend now displays the same font size as the other backends.
Thanks! Thomas On 1 May 2009, at 14:06, Michael Droettboom wrote: > Michiel de Hoon provided a patch for this which I just applied to > the trunk. > > As I don't have a Mac, I can't test it -- any feedback is welcome. > > Mike > > Jae-Joon Lee wrote: >> Thomas, >> As John suggested before, please check if the size differences go >> away >> if you use the same dpi, actually dpi=72. >> >> After some quick look, it seems that the osx backend does not scale >> the font size correctly respecting the dpi. >> At line 124 of bacend_macosx.py, >> >> size = prop.get_size_in_points() >> weight = prop.get_weight() >> style = prop.get_style() >> gc.draw_text(x, y, unicode(s), family, size, weight, >> style, angle) >> >> My quick guess is that replacing >> >> size => size*self.dpi/72. >> >> in the last call may solve the problem. Since I don't use the osx >> backend, I wonder if others can test this. >> >> -JJ >> >> >> On Thu, Apr 30, 2009 at 9:32 AM, Michael Droettboom >> <md...@stsci.edu> wrote: >> >>> I forwarded this message to Michiel de Hoon, the author of the Mac >>> OS-X >>> backend, in case he has any thoughts. >>> >>> Mike >>> >>> Thomas Robitaille wrote: >>> >>>> Hi Jae-Jong and John, >>>> >>>> Thanks for your replies! While experimenting with this to send >>>> screenshots, I realized that my default backend was set to >>>> MacOSX, not >>>> WXAgg. The WXAgg output to the screen actually agrees with the >>>> PNG output in >>>> terms of font sizes. But the font sizes differ between the MacOSX >>>> and WXAgg >>>> backends. Attached are screenshots using the MacOSX and WXAgg >>>> backends. You >>>> can see the font size is different. Is this a bug? >>>> >>>> Thanks, >>>> >>>> Thomas >>>> >>>> >>>> >>>> ------------------------------------------------------------------------ >>>> >>>> >>>> ------------------------------------------------------------------------ >>>> >>>> >>>> On 29 Apr 2009, at 00:24, Jae-Joon Lee wrote: >>>> >>>> >>>>> On Tue, Apr 28, 2009 at 11:09 PM, John Hunter >>>>> <jdh2...@gmail.com> wrote: >>>>> >>>>>> If you want the relative fontsizes in the figure window and >>>>>> saved figure >>>>>> to >>>>>> agree, pass the same "dpi" to the figure command and savefig >>>>>> command. >>>>>> >>>>> John, >>>>> I thought the font size (which is specified in points) is >>>>> independent >>>>> of dpi, i.e., font size in "pixel" actually scales with the dpi. I >>>>> think it should be filed as a bug if the relative font size >>>>> depends on >>>>> the dpi. >>>>> >>>>> Anyhow, I just did a quick test and the (relative) font size >>>>> does not >>>>> seem to vary with dpi. >>>>> >>>>> Thomas, >>>>> What version of mpl are you using? >>>>> With the mpl from the svn trunk, I don't see any significant >>>>> change as >>>>> you described. >>>>> The WxAgg figure and the png output are actually drawn by an >>>>> identical >>>>> backend, so there should be no significant difference. There can >>>>> be >>>>> some subtle difference due to different dpi, but I don't see a >>>>> difference as large as 30%. Can you post a some sample images? >>>>> i.e., a >>>>> screenshot of WxAgg figure and the png output. >>>>> >>>>> I can see that the text in pdf output occupies a bit larger area >>>>> than >>>>> png (when usetex=False), but, to me, this seems to be due to >>>>> different >>>>> amount of kernings (it seems that no kerning is applied for pdf >>>>> text) >>>>> instead of different font size. >>>>> >>>>> So, can you first check if the difference goes away when you use >>>>> same >>>>> dpi as John suggested? And if that is the case, can you try the >>>>> latest >>>>> svn and check if the relative font size still depends on the dpi? >>>>> >>>>> Regards, >>>>> >>>>> -JJ >>>>> >>>> ------------------------------------------------------------------------ >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Register Now & Save for Velocity, the Web Performance & Operations >>>> Conference from O'Reilly Media. Velocity features a full day of >>>> expert-led, >>>> hands-on workshops and two days of sessions from industry leaders >>>> in >>>> dedicated Performance & Operations tracks. Use code vel09scf and >>>> Save an >>>> extra 15% before 5/3. http://p.sf.net/sfu/velocityconf >>>> ------------------------------------------------------------------------ >>>> >>>> _______________________________________________ >>>> Matplotlib-users mailing list >>>> Matplotlib-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >>>> >>>> >>> -- >>> Michael Droettboom >>> Science Software Branch >>> Operations and Engineering Division >>> Space Telescope Science Institute >>> Operated by AURA for NASA >>> >>> >>> > ------------------------------------------------------------------------------ Register Now & Save for Velocity, the Web Performance & Operations Conference from O'Reilly Media. Velocity features a full day of expert-led, hands-on workshops and two days of sessions from industry leaders in dedicated Performance & Operations tracks. Use code vel09scf and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
