Nelson Minar <[EMAIL PROTECTED]> writes: > matplotlib is great, particularly the image quality. I'm using > matplotlib to generate images in a webapp and have run into a problem. > How do I get it to give me the rendered image bytes in a string rather > than writing the image to a file?
FigureCanvasAgg has the undocumented methods buffer_rgba, tostring_argb, and tostring_rgb, which might help here. > The docs for FigureCanvasAgg.print_figure() says that if the filename > is actually a file object then it will write the bytes to that file > object. This works great if I pass in sys.stdout, but as soon as I try > to use a StringIO() instance to capture the bytes in Python I get an > error: [...] > TypeError: Could not convert object to file pointer libpng seems to require an actual file pointer. This was discussed in http://thread.gmane.org/gmane.comp.python.matplotlib.general/3118/ -- Jouni ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
