Thanks a lot, Frank.<br><br>Any advice about running "Examples/Filtering/ResampleImageFilter.cxx" and get the same result with the UserGuide?<br><br>Yingli<br><br><div class="gmail_quote">On Jan 24, 2008 11:32 AM, <
<a href="mailto:frankmiller@jhmi.edu">frankmiller@jhmi.edu</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Ying,<br><br>The "windows picture and fax viewer" is only displaying the pixel array.
<br>It does not take into consideration the origin, spacing, or direction.<br><br>The geometry of the itk::Image class can be confusing at first. Keep<br>reading the user guide and playing with the examples. In particular, see
<br>figure 4.1 on page 40.<br><br>Good luck,<br><br>Frank<br><div><div></div><div class="Wj3C7c"><br>On Wed, Jan 23, 2008 at 07:04:14PM -0500, Yingli Lu wrote:<br>> Hi Frank,<br>><br>> I used "windows picture and fax viewer" to open it.
<br>> It seems that there should be a transformation that transform from image<br>> coordinate( origin at the upper left corner, x increasing to the right, y<br>> increasing to the bottom) to physical coordiante. Tthen, the
<br>> ResampleImageFilter can use. Am I right?<br>><br>> Thank you,<br>><br>><br>> On Jan 23, 2008 4:42 PM, <<a href="mailto:frankmiller@jhmi.edu">frankmiller@jhmi.edu</a>> wrote:<br>><br>> > Ying,
<br>> ><br>> > What program are you using to view the image? Many image viewing<br>> > programs have the convention of placing the origin at the upper left<br>> > corner, x increasing to the right, y increasing to the bottom.
<br>> ><br>> > Frank<br>> ><br>> > On Wed, Jan 23, 2008 at 04:28:23PM -0500, Yingli Lu wrote:<br>> > > Can anybody help me with this problem:<br>> > ><br>> > > I just ran the example of "Examples/Filtering/ResampleImageFilter.cxx"
<br>> > at<br>> > > section 6.9.4 in the Userguide<br>> > ><br>> > > But I can't get the same result of Figure 6.40 in the Userguide (where,<br>> > the<br>> > > origin is at the lower left corner of the input image, and X coordinate
<br>> > is<br>> > > horizontal to the right, Y coordinate is vertical to the up direction).<br>> > ><br>> > > My result seems to be based on a different coordinate: the origin is at<br>> > the
<br>> > > upper left corner, and X coordinate is horizontal to the right, Y<br>> > coordinate<br>> > > is vertical to the down direction).<br>> > ><br>> > > Example code is wrong or Userguide is wrong?
<br>> > ><br>> > > Thank you,<br>> > ><br>> > > Ying<br>> ><br>> > > _______________________________________________<br>> > > Insight-users mailing list<br>> > >
<a href="mailto:Insight-users@itk.org">Insight-users@itk.org</a><br>> > > <a href="http://www.itk.org/mailman/listinfo/insight-users" target="_blank">http://www.itk.org/mailman/listinfo/insight-users</a><br>> >
<br>> ><br>><br>><br>> --<br>> Yingli Lu<br>> GE Canada<br>> 268 Grosvenor, E5-137<br>> London, ON, N6A 4V2 Canada<br>> Phone:(519) 646-6000 ext.64626<br>> <a href="mailto:Email:yinglilu@gmail.com">
Email:yinglilu@gmail.com</a><br>> <a href="mailto:yingli.lu@ge.com">yingli.lu@ge.com</a><br></div></div></blockquote></div><br><br clear="all"><br>-- <br>Yingli Lu<br>GE Canada<br>268 Grosvenor, E5-137<br>London, ON, N6A 4V2 Canada
<br>Phone:(519) 646-6000 ext.64626<br><a href="mailto:Email:yinglilu@gmail.com">Email:yinglilu@gmail.com</a><br> <a href="mailto:yingli.lu@ge.com">yingli.lu@ge.com</a>