matplotlib draw()与draw_idle()的区别

本文介绍了在WxPython中使用matplotlib绘图时,draw()和draw_idle()的区别。draw()方法会立即进行渲染,而draw_idle()则会在函数执行完毕,等待GUI主循环时进行绘制。这一区别在处理图形更新时显得尤为重要。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

最近在WxPython中使用matplotlib绘图,之前一直没有注意draw()和draw_idle()的区别,直到在调用draw_event时遇到了问题。在此记录一下。

draw():实时绘制,执行完draw()语句之后立即进行渲染。

draw_idle():延迟绘制,如果draw_idle()在函数中,会等到函数执行完,程序进行到GUI主循环再进行绘制。

Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\小禾\AppData\Local\Programs\Python\Python312\Lib\tkinter\__init__.py", line 1948, in __call__ return self.func(*args) ^^^^^^^^^^^^^^^^ File "C:\Users\小禾\AppData\Local\Programs\Python\Python312\Lib\tkinter\__init__.py", line 861, in callit func(*args) File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\backends\_backend_tk.py", line 274, in idle_draw self.draw() File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\backends\backend_tkagg.py", line 10, in draw super().draw() File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\backends\backend_agg.py", line 382, in draw self.figure.draw(self.renderer) File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\artist.py", line 94, in draw_wrapper result = draw(artist, renderer, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\figure.py", line 3257, in draw mimage._draw_list_compositing_images( File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\image.py", line 134, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\axes\_base.py", line 3145, in draw self._update_title_position(renderer) File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\axes\_base.py", line 3089, in _update_title_position ax.yaxis.get_tightbbox(renderer) # update offsetText ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\小禾\pythonProject1\Lib\site-packages\matplotlib\axis.py",
最新发布
03-10
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值