The vertical and horizontal hatch styles are swapped. According to the docs:
| - vertical
- - horizontal
but '|' gives horizontal and '-' vertical patterns. The reaming styles appear
to work correctly.
----- Original Message ----
From: John Hunter <[EMAIL PROTECTED]>
To: izak marais <[EMAIL PROTECTED]>
Cc: matplotlib-users@lists.sourceforge.net
Sent: Wednesday, June 25, 2008 3:49:56 PM
Subject: Re: [Matplotlib-users] histogram hatching
On Wed, Jun 25, 2008 at 6:05 AM, izak marais <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I see there is a "hatch: unknown" kwarg mentioned in the hist()
> documentation. Can anyone shed some light on how to use this please? I
> assume it might be used to generate monochrome rectangles with
> differentiating hatched fills?
The rectangles generates by "hist" are matplotlib.patch.Rectangle
instances, and the "hatch" property is controlled by the "set_hatch"
method. Here is the docstring which should tell you most everything
you need to know. Note the caveat at the end that it is only
currently supported on postscript -- patches for other backends much
obliged
def set_hatch(self, h):
"""
Set the hatching pattern
hatch can be one of::
/ - diagonal hatching
\ - back diagonal
| - vertical
- - horizontal
# - crossed
x - crossed diagonal
Letters can be combined, in which case all the specified
hatchings are done. If same letter repeats, it increases the
density of hatching in that direction.
CURRENT LIMITATIONS:
1. Hatching is supported in the PostScript backend only.
2. Hatching is done with solid black lines of width 0.
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