[Numpy-discussion] ANNOUNCE: mahotas 0.5
Luis Pedro Coelho
lpc@cmu....
Sat Sep 11 12:56:11 CDT 2010
On Friday, September 10, 2010 03:40:33 am Sebastian Haase wrote:
> Hi Luis,
>
> thanks for the announcement. How would you compare mahotas to scipy's
> ndimage ? Are you using ndimage in mahotas at all ?
Hi Sebastian,
In general there is little overlap (there are 1 or 2 functions which are
replicated). I wrote mahotas mostly to get functions that I wasn't finding
elsewhere (or, occasionally, to make them faster). Ndimage, in some ways,
contains more basic functions, mahotas has a bit more advanced functions (at
the cost of having a somewhat idiosyncratically chosen set of functions).
I do use ndimage in a couple of places (mostly to do convolution). So, they
complement themselves rather than compete.
Here are a couple of differences in philosophy:
- ndimage is *always* n-D. Mahotas is mostly n-D but some functions are
specialised to 2-D (patches always welcome if you want to extend them).
- mahotas is written in templated C++, ndimage is C with macros.
- ndimage tries to be very generic in its interfaces (which makes some of
them hard to use at first), mahotas tries to have natural interfaces.
HTH,
Luis
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