I've looked at the example connect.py, and the docs. The way I
understand it, the bbox() method of a path will return a bbox. The
connector.arc method takes two bbox arguments. It looks like connect.py
works that way.
Then why does the following fail?
from pyx import *
c = canvas.canvas()
l1 = path.line(0,0,3,2)
c.stroke(l1)
l2 = path.line(5,5,6,6)
c.stroke(l2)
b1 = l1.bbox()
b2 = l2.bbox()
c.stroke(b1.path())
c.stroke(b2.path())
c.stroke(connector.arc(b1,b2))
c.writeEPSfile("testconnect")
Traceback (most recent call last):
File "<stdin>", line 17, in ?
File "c:\python24\Lib\site-packages\pyx\connector.py", line 390, in
__init__
boxdists=boxdists_pt)
File "c:\python24\Lib\site-packages\pyx\connector.py", line 117, in
__init__
rel = (self.box2.center[0] - self.box1.center[0],
TypeError: unsubscriptable object
I notice that a text instance is itself a "text.textbox", while a path
is a "path.line".
the bbox() method on either a text.textbox or a path.line returns a
"bbox.box_pt".
It seems that connector.arc will accept a text.textbox argument, but not
a bbox.box_pt arg.
In any event, it seems that either bbox() does not really return a bbox,
or connect.arc really does not take a bbox. Or both.
What's going on?
-gary
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