<div dir="ltr"><div>Hi,</div><div>Great, thanks for the feedback. The FFTW stuff is probably a question for the ITK forum but you can probably get around by using a pre-compiled version of FFTW (I presume you're on windows). It's not mandatory for RTK but improves the speed of filtering on the CPU.</div><div>Simon<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jun 26, 2019 at 8:27 PM Howard <<a href="mailto:lomahu@gmail.com">lomahu@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Hi Simon,</div><div><br></div><div>Following your suggestion to build ITK5.0.0 with the option Module_RTK turned on, I finally succeeded in running the first reconstruction example. The problem from <span style="font:400 21.93px/28px "Google Sans",Roboto,RobotoDraft,Helvetica,Arial,sans-serif;text-align:left;color:rgb(32,33,36);text-transform:none;text-indent:0px;letter-spacing:normal;text-decoration:none;word-spacing:0px;display:inline;white-space:normal;float:none;background-color:transparent">ThreeDCircularProjec</span><span style="font:400 21.93px/28px "Google Sans",Roboto,RobotoDraft,Helvetica,Arial,sans-serif;text-align:left;color:rgb(32,33,36);text-transform:none;text-indent:0px;letter-spacing:normal;text-decoration:none;word-spacing:0px;display:inline;white-space:normal;float:none;background-color:transparent">tionGeometry GeometryType </span>I posted yesterday was also fixed with the new ITK5.0.0 build.</div><div><br></div><div>For your reference, while building ITK 5.0.0, I still could not turn on <span style="font:400 13.93px/18.11px monospace,Courier;text-align:left;color:rgb(0,0,0);text-transform:none;text-indent:0px;letter-spacing:normal;text-decoration:none;word-spacing:0px;display:inline;white-space:pre-wrap;float:none;background-color:rgb(249,249,249)">ITK_USE_FFTWD </span>and <span style="font:400 13.93px/18.11px monospace,Courier;text-align:left;color:rgb(0,0,0);text-transform:none;text-indent:0px;letter-spacing:normal;text-decoration:none;word-spacing:0px;display:inline;white-space:pre-wrap;float:none;background-color:rgb(249,249,249)">ITK_USE_FFTWF</span>. Not sure this would affect the RTK application, though.</div><div><br></div><div>Howard</div><div></div></div></div></div></div></div><br><div class="gmail_quote"><div class="gmail_attr" dir="ltr">On Wed, Jun 26, 2019 at 1:23 AM Simon Rit <<a href="mailto:simon.rit@creatis.insa-lyon.fr" target="_blank">simon.rit@creatis.insa-lyon.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left:1px solid rgb(204,204,204)"><div dir="ltr"><div>Hi Howard,</div><div>Sorry to hear you're struggling. You need to set ITK_DIR to the location of your ITK build. It may have been removed from cmake but it's provided by ITK.</div><div>The simplest is to build the latest ITK 5.0.0 and to simply turn on the option Module_RTK.</div><div>Simon<br></div></div><br><div class="gmail_quote"><div class="gmail_attr" dir="ltr">On Wed, Jun 26, 2019 at 12:55 AM Howard <<a href="mailto:lomahu@gmail.com" target="_blank">lomahu@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left:1px solid rgb(204,204,204)">Hi,<br>
<br>
I followed the instructions on the RTK wiki page to build the latest<br>
RTK. With upgrading ITK to v4.13.0, during the build I encountered the<br>
following error:<br>
<br>
CMake Error at CMakeLists.txt:94 (find_package):<br>
By not providing "FindITK.cmake" in CMAKE_MODULE_PATH this project has<br>
asked CMake to find a package configuration file provided by "ITK", but<br>
CMake did not find one.<br>
<br>
Could not find a package configuration file provided by "ITK" (requested<br>
version 4.12.0) with any of the following names:<br>
<br>
ITKConfig.cmake<br>
itk-config.cmake<br>
<br>
Add the installation prefix of "ITK" to CMAKE_PREFIX_PATH or set "ITK_DIR"<br>
to a directory containing one of the above files. If "ITK" provides a<br>
separate development package or SDK, be sure it has been installed.<br>
<br>
I searched online and found some people said "The file FindITK.cmake<br>
was removed in CMake 3.0.", but RTK wiki page never said anything like<br>
that.<br>
<br>
With the older version RTK, I never had this trouble building RTK. It<br>
is supposed to be very smooth process but becomes so frustrating!!!!<br>
Can anyone out there help me out?<br>
<br>
Thanks,<br>
Howard<br>
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