On 17/06/2009, at 7:37 PM, Chunk 1978 wrote:
it seems to work find, but is this the most ideal way of doing this?
Yes, it's the correct way to do it.
If you read the article that Jean linked on Wikipedia, you would see
what's going on. A transform is just a matrix, and a concatenation is
just a matrix multiply, so you are doing an operation like m1 x m2 x
m3. However, do note that in matrix maths, (m1 x m2) is not the same
as (m2 x m1) as it is in scalar maths (i.e. it's not commutative), so
the order of operations matters. If you don't get the outcome you
expected, this is usually the reason for it.
--Graham
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