2010/3/18 Ciarán Mooney <general.moo...@googlemail.com>:
>                        value = (log(x)/log(largest))*255

Just two thoughts:

1) I doubt the statement cited above is not correct, as it may also
yield negative values as soon as 0 < x < 1.  In fact, you are
calculating log_{largest}(x).  This crosses zero for x = 1.  What I
deem correct instead, is a linear mapping of the log space (logmin,
log(largest)) onto (0, 1).  There logmin may be negative.

2) When matplotlib does the job, maybe use:

axes = fig.add_axes([0, 0, 1, 1])
axes.imshow(...)

This lets the axes fill the whole figure space, without margins.  You
can also turn off the ticks if you want.

Friedrich

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