[Numpy-discussion] Adjacent matrix

Thiago Franco Moraes totonixsame@gmail....
Tue Jun 14 07:50:47 CDT 2011


On Tue, Jun 14, 2011 at 8:06 AM, Luis Pedro Coelho <lpc@cmu.edu> wrote:
> On Monday, June 13, 2011 03:55:46 PM Thiago Franco Moraes wrote:
>> "Find all of the grid points in that lie adjacent to one or more grid
>> points of opposite values."
>>
>> This is the code used to calculate that matrix:
> [spin]
>> Where nx, ny and nz are the x, y, z dimensions from the "im" input
>> binary matrix. I think this operation is called bwperim.
>
> My package, mahotas, supports it directly:
>
> mahotas.bwperim(bw, n)
>
> at
> http://packages.python.org/mahotas/
>
> HTH,
> Luis

Thanks Luis. But mahotas.bwperim only supports 2D images, my images
are 3D from Computerized Tomography (often very large) and I need
connectivity 26.


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