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Re: order of transforms

From: Mjumbe Ukweli <mjumbewu@hotmail.com>
Date: Fri, 18 May 2001 17:00:43 -0400
To: www-svg@w3.org
Message-ID: <F248R4KlE75zfZ4HF6N0000c40d@hotmail.com>
>From: "Stefan Goessner" <goessner@mecxpert.de>
>Date: Thu, 17 May 2001 10:58:31 +0200
>
><elem transform="An .. A2 A1" />
>we can yield the same result via
><elem transform="matrix(An*...*A2*A1)" />
>by multiplying the transformation matrices of the elementary transforms >in 
>exactly that order.
>Applying those transforms to a point we can calculate the result matrix 
> >first and then transform the point, as in ..
>(An*...*A2*A1) * p
>or apply every single transformation matrix consecutively to the point, >as 
>in ..
>(An*(...*(A2*(A1 * p)))..)
>

it seems to me that the formula would be:

  (((..(An * p)*...)*A2)*A1)

which would be true to the reading from left to right.

                                                  &#8226; mjumbe &#8226;

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Received on Friday, 18 May 2001 17:00:48 GMT

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