[Matplotlib-users] Image Zooming and Dragging

2007-02-04 Thread David Levitan
a given to the canvas in my application. Then, if I drag the image around, part of it won't disappear. However, I'm not really sure how to do this. What is the best way to accomplish this goal (preferably for non-interactive usage - I'm using the QT4 back end)? Thank you

[Matplotlib-users] Qt4 Performance Issues

2006-12-20 Thread David Levitan
Hi, I'm trying to use the qt4agg backend and running into performance issues (both using matplotlib interactively and in a program). The performance of qtagg and gtkagg backends are fine and drawing a zoom rectangle, for example, is smooth. With qt4, however, dragging and zooming are very chopp