[GRASS-dev] [GRASS-SVN] r68555 - grass/trunk/imagery/i.segment

[Markus Metz]

On Wed, Jun 1, 2016 at 7:31 PM, Markus Neteler <neteler at osgeo.org> wrote:
> On Wed, Jun 1, 2016 at 10:41 AM,  <svn_grass at osgeo.org> wrote:
>> Author: mmetz
>> Date: 2016-06-01 01:41:21 -0700 (Wed, 01 Jun 2016)
>> New Revision: 68555
>>
>> Modified:
>>    grass/trunk/imagery/i.segment/create_isegs.c
>> Log:
>> i.segment: fix manhattan distance
>>
>> Modified: grass/trunk/imagery/i.segment/create_isegs.c
>> ===================================================================
>> --- grass/trunk/imagery/i.segment/create_isegs.c        2016-06-01 08:39:29 UTC (rev 68554)
>> +++ grass/trunk/imagery/i.segment/create_isegs.c        2016-06-01 08:41:21 UTC (rev 68555)
>> @@ -176,7 +176,7 @@
>>
>>      /* squared manhattan distance, sum the differences for each dimension */
>>      do {
>> -       val += Ri->mean[n] - Rk->mean[n];
>> +       val += fabs(Ri->mean[n] - Rk->mean[n]);
>>      } while (n--);
>>
>>      /* the return value should always be in the range 0 - 1 */
>
>
> I see this bug also in the other branches, shall I backport it?

Yes, thanks!

Markus M
>
> markusN
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