Hello.
I could not solve the below problem in the end. And creating
AffineTransform from MathTransform
is critical part in my program.
can anyone teach me if there is other way to do this?
Thanks.
On Jul 21, 2008, at 10:19 PM, Y. J. Chun wrote:
>
> Hello.
>
> I have a method that convert MathTransform to AffineTransform if
> conditions are met.
>
> public static AffineTransform2D createAffineTransform(MathTransform
> t)
> {
> log.debug("{}", t);
> if(t instanceof LinearTransform)
> {
> AffineTransform2D t2d = new
> AffineTransform2D(((LinearTransform)
> t).getMatrix());
> log.debug("{}", t2d);
> return t2d;
> }
> throw new RuntimeException("Cannot convert MathTransform to
> LinearTransform");
> }
>
> But transformation result is quite different for MathTransform and
> returned AffineTransform for same position
> (0,0) ==>
> AffineTransform: [1.9458968000328103, 102.34457284971506]
> MathTransform: [6.656101900490285, 102.34457284971506]
>
>
> and the debug output from createAffineTransform() is following:
>
> PARAM_MT["Affine",
> PARAMETER["num_row", 3],
> PARAMETER["num_col", 3],
> PARAMETER["elt_0_0", 0.33035550470236696],
> PARAMETER["elt_0_1", 0.0033956143607498375],
> PARAMETER["elt_0_2", -2.54640260400015],
> PARAMETER["elt_1_0", 0.0020925718915183666],
> PARAMETER["elt_1_1", 0.5139233766079051],
> PARAMETER["elt_1_2", -52.611196828163315]]
>
> 0.330356 -2.546403 0.513923
> 0.003396 0.002093 -52.611197
> 0.000000 0.000000 1.000000
>
>
> What am I doing wrong?
> Thanks in advance.
>
> --
> YoungJoon Chun <[EMAIL PROTECTED]>
>
>
>
>
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