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English title does not go well with gcf().tight_layout(), which yields bad image direction #8202

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retsyo opened this issue Mar 6, 2017 · 5 comments
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English title does not go well with gcf().tight_layout(), which yields bad image direction #8202

retsyo opened this issue Mar 6, 2017 · 5 comments
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@retsyo
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retsyo commented Mar 6, 2017 •
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I am using Python 3.4.4 |Anaconda 2.3.0 (64-bit) on win64 bits, with latest matplotlib and pyqt updated by conda install xx
for the following code, if I use unicode title in the for-loop, the images are shown with their corretced direction, i.e., the head is toward up like which is in original image. However, if I use English title, the images are upside-down: the people's head is toward earth

This can be observed for both TkAgg and Qt5Agg

#coding=utf-8
import matplotlib
#~ matplotlib.rcParams['backend'] = 'TkAgg'
matplotlib.rcParams['backend'] = 'Qt5Agg'

from pylab import *
import PIL.Image as Image

im=Image.open('Mario cosplay.jpg').convert('L')

orgsize=im.size
newsize=[int(i/4) for i in orgsize]

subplot(2,3,1)
imshow(im, cmap='gray', vmin=0, vmax=255)
title('original pic', fontsize=20);

filters=[Image.NEAREST, Image.BILINEAR, Image.BICUBIC, Image.ANTIALIAS]
filtersName=['NEAREST', 'BILINEAR', 'BICUBIC', 'ANTIALIAS']
for k in range(len(filters)):
    subplot(2,3,k+2)
    im1=im.resize(newsize, filters[k])
    imshow(im1, cmap='gray', vmin=0, vmax=255)
    title('原图的1/%i，插值法：%s' %  (4, filtersName[k]), fontsize=20)       # head up
    title('size: 1/%i，interpolation: %s' %  (4, filtersName[k]), fontsize=20)    # head down

gcf().tight_layout()

show()

chinese_headup
english_headdown
@retsyo retsyo changed the title unicode title does not go well with gcf().tight_layout(), which yields bad image orient English title does not go well with gcf().tight_layout(), which yields bad image direction Mar 6, 2017
@QuLogic
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QuLogic commented Mar 6, 2017

I think this is the same issue as #8062. @NelleV @anntzer

@anntzer
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anntzer commented Mar 6, 2017

I would guess so, but @retsyo needs to provide a reproducible example (I don't have his sample image...).

@anntzer anntzer mentioned this issue Mar 6, 2017
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@retsyo
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retsyo commented Mar 6, 2017

@anntzer
any image can reproduce this

@anntzer
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anntzer commented Mar 6, 2017

In general, it is preferable to provide a self contained example, so that we can easily reproduce the issue. You may also check whether #8203 "solves" the issue (well, there's still not enough space and nothing we can do about it).

This was referenced May 13, 2017
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@QuLogic
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QuLogic commented Aug 10, 2017

I'm going to close this as a duplicate of #8062.

@QuLogic QuLogic closed this as completed Aug 10, 2017
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@QuLogic @anntzer @retsyo