Affine transforms - matrix algebra
Martin Desruisseaux
martin.desruisseaux at geomatys.fr
Tue Jul 17 03:40:35 PDT 2012
Le 17/07/12 12:22, Pavel Safrata a écrit :
>> At this point, given the increasing amount of methods and the enum, I
>> wonder if we should replace all those variants by a single method:
>>
>> double[] getSubMatrix(int firstRow, int firstColumn, int numRows, int
>> numColumns, double[] array);
>>
> Besides the fact that I don't really like replacing a set of
> straightforward methods by a single monster, this doesn't really work
> for all the cases. The 2x3 matrix for instance contains
>
> xx xy tx
> yx yy ty
>
> which is, from the full 4x4 matrix, the first, second, and fourth column.
Right, I forgot that case.
Martin
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