.. _api-bbox_intersect:

api example code: bbox_intersect.py
===================================



.. plot:: /media/TOSHI/temp/numpy_scipy_matplotlib/matplotlib/matplotlib-1.1.1~rc2/doc/mpl_examples/api/bbox_intersect.py

::

    from pylab import *
    import numpy as np
    from matplotlib.transforms import Bbox
    from matplotlib.path import Path
    from matplotlib.patches import Rectangle
    
    rect = Rectangle((-1, -1), 2, 2, facecolor="#aaaaaa")
    gca().add_patch(rect)
    bbox = Bbox.from_bounds(-1, -1, 2, 2)
    
    for i in range(12):
        vertices = (np.random.random((4, 2)) - 0.5) * 6.0
        vertices = np.ma.masked_array(vertices, [[False, False], [True, True], [False, False], [False, False]])
        path = Path(vertices)
        if path.intersects_bbox(bbox):
            color = 'r'
        else:
            color = 'b'
        plot(vertices[:,0], vertices[:,1], color=color)
    
    show()
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)