我真的被这个问题困扰了这么久。
最初,在用 matplotlib 绘制一些东西后,我可以轻松地保存图像。
但是,安装 scipy 后,我无法再保存我的图像了。
(我使用pip安装了matplot和scipy。)
我试图查找一些信息,但仍然无法解决问题。
我的操作系统是 Mac OS X Lion (10.7)
我认为以下链接是一些相关问题
https://github.com/ipython/ipython/issues/2710
Matplotlib pylab savefig 运行时错误在 python 3.2.3
matplotlib 和 libpng 问题与 ipython 笔记本
libpng15 静态链接问题
看来如果我可以重新链接库或设置 DYLD_LIBRARY_PATH (实际上我不知道那是什么......)
或者也许我必须重新编译一些东西?
顺便说一句,我对基于 linux 的系统非常陌生,所以如果有人能以相对简单的方式解释它,那就太好了。非常感谢你。
以下是一些错误信息:
libpng warning: Application was compiled with png.h from libpng-1.5.4
libpng warning: Application is running with png.c from libpng-1.4.10
libpng warning: Incompatible libpng version in application and library
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
/Library/Python/2.7/site-packages/matplotlib/backends/backend_macosx.pyc in save_figure(self, *args)
476 if filename is None: # Cancel
477 return
--> 478 self.canvas.print_figure(filename)
479
480 def prepare_configure_subplots(self):
/Library/Python/2.7/site-packages/matplotlib/backend_bases.pyc in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, **kwargs)
2094 orientation=orientation,
2095 bbox_inches_restore=_bbox_inches_restore,
-> 2096 **kwargs)
2097 finally:
2098 if bbox_inches and restore_bbox:
/Library/Python/2.7/site-packages/matplotlib/backend_bases.pyc in print_png(self, *args, **kwargs)
1856 from backends.backend_agg import FigureCanvasAgg # lazy import
1857 agg = self.switch_backends(FigureCanvasAgg)
-> 1858 return agg.print_png(*args, **kwargs)
1859
1860 def print_ps(self, *args, **kwargs):
/Library/Python/2.7/site-packages/matplotlib/backends/backend_agg.pyc in print_png(self, filename_or_obj, *args, **kwargs)
502 _png.write_png(renderer._renderer.buffer_rgba(),
503 renderer.width, renderer.height,
--> 504 filename_or_obj, self.figure.dpi)
505 finally:
506 if close:
RuntimeError: Could not create write struct