Darren,
> As of svn 2560, the label will render over the left or right y-axis
> depending on the position of the ticks.
Sweet ! Thanks a lot !
And following your advice, I came up with the following solution to my problem
(forcing the mantissa to multiple of 3, with a given number of decimals).
Should I post it on the wiki ?
Cheers, and thx again
Pierre
#------------------------------------------------------------------------------
class EngrFormatter(ScalarFormatter):
"""A variation of the standard ScalarFormatter, using only multiples of
three in the mantissa. A fixed number of decimals can be displayed with the
optional parameter `ndec` . If `ndec` is None (default), the number of
decimals is defined from the current ticks.
"""
def __init__(self, ndec=None, useOffset=True, useMathText=False):
ScalarFormatter.__init__(self, useOffset, useMathText)
if ndec is None or ndec < 0:
self.format = None
elif ndec == 0:
self.format = "%d"
else:
self.format = "%%1.%if" % ndec
def _set_orderOfMagnitude(self,range):
ScalarFormatter._set_orderOfMagnitude(self,range)
self.orderOfMagnitude = 3*(self.orderOfMagnitude//3)
def _set_format(self):
# set the format string to format all the ticklabels
locs = (array(self.locs)-self.offset) /
10**self.orderOfMagnitude+1e-15
sigfigs = [len(str('%1.3f'% loc).split('.')[1].rstrip('0')) \
for loc in locs]
sigfigs.sort()
if self.format is None:
self.format = '%1.' + str(sigfigs[-1]) + 'f'
if self._usetex or self._useMathText: self.format = '$%s$'%self.format
-------------------------------------------------------------------------
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