<DIV id=RTEContent> <DIV>Hi,</DIV> <DIV> </DIV> <DIV>Thanks for your answers.</DIV> <DIV>It seems to me, I realized:</DIV> <DIV>The Euler2DTransform applies transformation first rotating, then translating, but resampler obtains output image by transforming output image into the input image, i.e. applies backward transformation</DIV> <DIV> </DIV> <DIV>Euler2DTransform transformation</DIV> <DIV>[ x' ] = [ cos -sin ] [ x ] + [Tx] <BR>[ y '] = [ sin cos ] [ y ] + [Ty]</DIV> <DIV> </DIV> <DIV>backward transformation</DIV> <DIV> <DIV>[ x ] = [ cos -sin ] [ x' - Tx ]<BR>[ y ] = [ sin cos ] [ y' - Ty ]</DIV></DIV> <DIV> </DIV> <DIV>i.e. first translating the point, then rotating</DIV> <DIV> </DIV> <DIV>Am I right ?</DIV> <DIV> </DIV>
<DIV>Thanks</DIV> <DIV> </DIV> <DIV>Albert</DIV> <DIV><BR><B><I>Zachary Pincus <zpincus@stanford.edu></I></B> wrote:</DIV> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Remember that a resampler uses a backward transformation from points <BR>in the destination to points in the source image. (As described in <BR>the software guide.) With this in mind, is the Euler transform still <BR>not working as described?<BR><BR>Zach Pincus<BR><BR>Program in Biomedical Informatics and Department of Biochemistry<BR>Stanford University School of Medicine<BR><BR>On Nov 21, 2005, at 11:34 PM, Albert Chitemyan wrote:<BR><BR>> Hi,<BR>><BR>> In ItkSoftwareGuide is written that in Euler2DTransform the <BR>> rotation is applied first, followed by the translation. But in <BR>> practice the opposite thig takes place. How can you explain it?<BR>> Albert<BR>><BR>> Yahoo! FareChase - Search multiple travel sites in
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