Google Chart API（不建議使用）顯示垂直y軸標籤

Question

我知道我使用的Google圖表API已棄用，但無法用最新的API取代。我想將y軸標籤更改爲垂直打印。我怎樣才能做到這一點？

下面是谷歌圖表API網址：

http://chart.apis.google.com/chart?chtt=Visual+acuity+change+from+BVD+to+6+months&chco=00aa00,0000aa,aaaa00,aa6600,aa0000,000000&chxt=x,y,x,y&chxr=0,0,6,1|1,-50,50,5&chxl=2:|Time%20(months)|3:|LogMAR%20Letters&chg=0,50,1,0&chm=o,00aa00,0,-1,4.0|o,0000aa,1,-1,4.0|o,aaaa00,2,-1,4.0|o,aa6600,3,-1,4.0|o,000000,4,-1,4.0|d,000000,5,-1,8.0&chma=|5,100&chs=800x340&cht=lxy&chd=e:AAKPVHgAqP1H..,gApmq4szszszsz,AAKPVHgAqP1H..,gAlHmZnCnCnCoU,AAKPVHgAqP1H..,gAhxi2jSi4i2jN,AAKPVHgAqP1H..,gAfXgAgAfXeufX,AAKPVHgAqP1H..,gAa4bha4ZmZmZm,AAKPVHgAqP1H..,gAh6mLjMjMjMjm&chdl=FRB!%20Users%20Top%2010%25|FRB!%20Users%20Top%2025%25|FRB!%20Users%20Average|FRB!%20Users%20Bottom%2025%25|FRB!%20Users%20Bottom%2010%25|Doctor%20Doctor's%20Patients&chls=2|2|2,6,3|2|2|5 

Answer 1

use this link 
    http://psychopyko.com/tutorial/how-to-use-google-charts/ 
    http://chart.apis.google.com/chart? 
cht=bhg&chs=550x230&chd=t:100,50,115,80& 
chxt=x,y&chxl=1:|Python|Java|Ruby|.NET& 
chxr=0,0,120&chds=0,120& 
chco=4D89F9& 
chbh=35,0,15& 
chg=8.33,0,5,5