Re: [Matplotlib-users] Display chinese labels

[Benoit G. <ben...@un...>]

Hi,

When looking in my fontFile.cache, i did not find any of  
'/usr/share/fonts/truetype/wqy/wqy-zenhei.ttf',  
'/usr/share/fonts/truetype/wqy/wqy-microhei.ttf' or simhei. this is  
why i could not display the characters.

I deleted the cache and re-lounched my script, so that mpl had to look  
for the fonts and update the cache. It added the simhei fonts to the  
list. I can now display chinese characters with the simhei font.

I ran into 2 more issues:
- Simhei "has no glyph names", which prevents me from exporting into pdf
- I do not manage to make mpl take into account microhei and zenhei,  
whereas i have them in  
'/usr/share/fonts/truetype/wqy/wqy-microhei.ttc'. I changed their name  
to '/usr/share/fonts/truetype/wqy/wqy-microhei.ttf', and now mpl finds  
them. However they fail to display chinese characters

So, thank you for your help, i managed to display chinese characters  
but there are still some issues. Do you have any idea?

Benoit


Quoting sunqiang <sun...@gm...>:

> oh, only test it on Windows yet.  both "sim hei"and "microsoft yahei"
> are fontname on Windows Platform.
> maybe just copy "Sim Hei" to font directory is not enough? no clue here.
>
> I just test the script on Linux (Ubuntu 8.04, Python 2.5, matplotlib
> 0.98.4) with the follow steps:
> 1, find the configure directory of matplotlib
> import matplotlib as mpl
> mpl.get_configdir()
>
> return "~/.matplotlib"
> 2, in the configure directory, there is a file "fontList.cache"
> I find this
> (dp294
> ...
> S'WenQuanYi Zen Hei'
> ...
> S'/usr/share/fonts/truetype/wqy/wqy-zenhei.ttf'
> ...
>
> I just know WenQuanYi is a "Chinese font"
> http://packages.ubuntu.com/hardy/ttf-wqy-zenhei
> 3, replace "Sim Hei" in your original script with "WenQuanYi Zen Hei",
> now it can display Chinese.
> both methods still work(embed fontname argument, or set
> mpl.rcParams['font.sans-serif'])
>
> maybe you can find a font that support Chinese character on your
> platform with these steps and try again?
>
> On Tue, Oct 12, 2010 at 10:41 PM, Benoit Gaillard
> <ben...@un...> wrote:
>> Thank you for your help,
>>
>> but it does not seem to work.
>>
>> I have downloaded simhei fonts and added it in my directory
>> /usr/shared/fonts/truetype but even by using
>> """fontname="simhei" """,
>> or:
>> """mpl.rcParams['font.sans-serif'] = ['SimHei']
>> mpl.rcParams['axes.unicode_minus'] = False """
>>
>> i still display empty boxes instead of chinese characters.
>>
>> It is worth noting that these chinese characters print well on the console
>> if i add the line:
>> """for ytic in ytics:
>>    print ytic"""
>>
>> Unfortunately, apart from copying lines of code, i cannot do much with the
>> blog you mention, as i don't understand what is written in it.
>>
>> @Mike: "monospace" family is one that enables me to display accents of
>> french words, for the xticks. "fantasy" family was the last family i tried
>> for the chinese labels, but to no success.
>>
>> So, has anyone managed to do it? Is there something i am missing?,
>>
>> regards,
>>
>> Benoit.
>>
>> Quoting sunqiang <sun...@gm...>:
>>
>>> maybe change the line
>>> """axim.set_yticklabels(ytics,fontsize=15,family='fantasy')""" to
>>> """axim.set_yticklabels(ytics,fontsize=15, fontname= "simsun (founder
>>> extended)")"""
>>> (or replace fontname with "simhei" or "microsoft yahei") is enough.
>>>
>>>
>>> or, put these two lines:
>>> mpl.rcParams['font.sans-serif'] = ['SimHei']
>>> mpl.rcParams['axes.unicode_minus'] = False
>>>
>>> there is a Chinese blog (not mine) maybe worth  reading:
>>> http://hi.baidu.com/lijiangshui/blog/item/a0aad703cd65ee7e3812bb49.html
>>>
>>> hope this help
>>>
>>> On Mon, Oct 11, 2010 at 3:13 AM, Benoit Gaillard
>>> <ben...@un...> wrote:
>>>>
>>>> Hi,
>>>>
>>>> How can one display Mandarin labels in a plot, as yticks_labels for
>>>> example?
>>>> It looks to me that there is no font in matplotlib that can display
>>>> Chinese
>>>> characters? I can display accentuation from 'utf8' but i could not find a
>>>> font family that would display Chinese characters.
>>>>
>>>> Here is an example of plot that displays empty boxes instead of Chinese
>>>> characters. In comments you can see various failed attempts:
>>>>
>>>> import matplotlib as mpl
>>>> from matplotlib import cm
>>>> from matplotlib import rc
>>>> #rc('font',**{'family':'sans-serif','sans-serif':['SimHei','Arial']})
>>>> #mpl.rcParams['font.sans-serif'] = ['SimHei','Arial']
>>>> import matplotlib.pyplot as plt
>>>>
>>>> matrix=[[skey+tkey for skey in [1,2]] for tkey in [1,2]]
>>>> fig = plt.figure()
>>>> axim = fig.add_subplot(111)
>>>> #ytics: caractères chinois en utf8
>>>> ytics=['\xe6\x8a\xb1'.decode('utf8'),'\xe6\x93\x81'.decode('utf8')]
>>>> xtics=['d\xc3\xa9bo\xc3\xaeter'.decode('utf8'),'diviser'.decode('utf8')]
>>>> axim.imshow(matrix, cmap=cm.jet, interpolation='nearest',origin='lower')
>>>> axim.set_xticks(range(2))
>>>>
>>>> axim.set_xticklabels(xtics,fontsize=15,rotation=25,ha='right',family='monospace')
>>>> axim.set_yticks(range(2))
>>>> axim.set_yticklabels(ytics,fontsize=15,family='fantasy')#,fontname='AR PL
>>>> ungtiL GB')
>>>> plt.show()
>>>>
>>>> Thank you for your help,
>>>>
>>>> Benoit
>>>>
>>>>
>>>>
>>>> ----------------------------------------------------------------
>>>> This message was sent using IMP, the Internet Messaging Program.
>>>>
>>>>
>>>> Hi,
>>>>
>>>> How can one display mandarin labels in a plot, as yticks_labels for
>>>> example?
>>>> It looks to me that there is no font in matplotlib that can display
>>>> chinese
>>>> characters? I can display accentuation from 'utf8' but i could not find a
>>>> font family that would display chinese characters.
>>>>
>>>> Here is an example of plot that displays empty boxes instead of chinese
>>>> characters. In comment you can see various failed attempts:
>>>>
>>>> import matplotlib as mpl
>>>> from matplotlib import cm
>>>> from matplotlib import rc
>>>> #rc('font',**{'family':'sans-serif','sans-serif':['SimHei','Arial']})
>>>> #mpl.rcParams['font.sans-serif'] = ['SimHei','Arial']
>>>> import matplotlib.pyplot as plt
>>>>
>>>>     matrix=[[skey+tkey for skey in [1,2]] for tkey in [1,2]]
>>>>     fig = plt.figure()
>>>>     axim = fig.add_subplot(111)
>>>>     #ytics: caractères chinois en utf8
>>>>     ytics=['\xe6\x8a\xb1'.decode('utf8'),'\xe6\x93\x81'.decode('utf8')]
>>>>
>>>> xtics=['d\xc3\xa9bo\xc3\xaeter'.decode('utf8'),'diviser'.decode('utf8')]
>>>>     axim.imshow(matrix, cmap=cm.jet, interpolation='nearest',
>>>> origin='lower')
>>>>     axim.set_xticks(range(2))
>>>>     axim.set_xticklabels(xtics,
>>>> fontsize=15,rotation=25,ha='right',family='monospace')
>>>>     axim.set_yticks(range(2))
>>>>
>>>> axim.set_yticklabels(ytics,fontsize=15,family='fantasy')#,fontname='AR
>>>> PL SungtiL GB')
>>>>     plt.show()
>>>>
>>>> Thank you for your help,
>>>>
>>>> Benoit
>>>>
>>>>
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>>>
>>
>>
>>
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