On 18/09/12 16:02:02, Wanderer wrote: > On Monday, September 17, 2012 7:43:06 PM UTC-4, Martin De Kauwe wrote: >> On Tuesday, September 18, 2012 8:31:09 AM UTC+10, Wanderer wrote: >>> I need to divide a 512x512 image array with the first horizontal >>> and vertical division 49 pixels in. Then every 59 pixels in after >>> that. hsplit and vsplit want to start at the edges and create a >>> bunch of same size arrays. Is there a command to chop off >>> different sized arrays?
>> I don't know that I follow completely, but can't you just slice >> what you are after? >> x = np.random.rand(512*512).reshape(512,512) >> xx = x[0,:49] >> And put the rest of the slices in a loop...? > I was trying to avoid the loop. I figured it out. hsplit and vsplit > will work. I just need to give it a list of break points. I still > need a loop though. > breakPoints = range(49,512,59) > rowArrays = hsplit(InputArray, breakPoints) > OutArrays = [] > for r in rowArrays: > OutArrays.append(vsplit(r, breakPoints)) How about a list display: breakPoints = range(49,512,59) rowArrays = hsplit(InputArray, breakPoints) OutArrays = [vsplit(r, breakPoints) for r in rowArrays] In some sense, it's still a loop, but at least it doesn't look like one. Hope this helps, -- HansM -- http://mail.python.org/mailman/listinfo/python-list
