[ITK-users] built opencv bridge but can't find

[Tammy Diprima]

I think I just answered my own question.  I forgot  *sudo make install*.
Now both itkOpenCVImageBridge files are where they're supposed to be, in
/usr/local/include/ITK-4.8.

Matt, the chat with you totally helped.  Sorry to interrupt your day, but
-- Thanks very much.  I really appreciate it.  -- T


*30 August 2016 at 19:52:*

> Hi Matt,
>
> Thank you for the advice.  You're right, in that I need not include any
> OpenCV dirs; it's all about ITK.
> The problem is, I'm already doing the:
>
> find_package( ITK REQUIRED )
> include( ${ITK_USE_FILE} )
>
> The compiler's not happy unless I physically copy the header and source
> files (itkOpenCVImageBridge.*) from [ITK-SOURCE-DIR]/Modules/
> Video/BridgeOpenCV/include to a location CMakeLists knows about (in an
> include directory).  Which makes sense, but I would have thought when I
> built ITK with the BridgeOpenCV flag turned on that it would have been
> copied during that particular process.  Oh well.  At least it's working now.
>
> Cheers, thanks a lot.
> Tammy
>
>
> On 30 August 2016 at 13:28, Matt McCormick <matt.mccormick at kitware.com>
> wrote:
>
>> Hi Tammy,
>>
>> Your project's CMakeLists.txt needs:
>>
>>   find_package(ITK)
>>   include(${ITK_USE_FILE})
>>
>> The "include(${ITK_USE_FILE})" command calls "include_directories"
>> with the directories containing itkOpenCVImageBridge.h.
>>
>> HTH,
>> Matt
>>
>> On Tue, Aug 30, 2016 at 12:35 PM, Tammy Diprima
>> <tammy.diprima at stonybrook.edu> wrote:
>> > OK I have an update.  So, set() worked to reset the broken variable
>> > (workaround).  And then I had to locate itkOpenCVImageBridge.* and copy
>> the
>> > files to the location.
>> >
>> > That worked.
>> >
>> > But -- does anybody have an idea how I could have broken
>> OpenCV_INCLUDE_DIRS
>> > in the first place?
>> > And also -- something tells me I shouldn't have had to copy the source
>> files
>> > to the OpenCV_INCLUDE_DIRS.  What did I do wrong?
>> >
>> > Thanks again.
>> >
>> >
>> >
>> > 30 August 2016 at 12:25:
>> >
>> >> I re-ran ccmake on ITK with Module_ITKVideoBridgeOpenCV:BOOL=ON.
>> >> I recompiled using make.
>> >>
>> >> In my C++ program I'm including the headers:
>> >> #include <opencv2/opencv.hpp>
>> >> #include "itkOpenCVImageBridge.h"
>> >>
>> >> But it's saying "cannot find itkOpenCVImageBridge.h"
>> >>
>> >> I put messaging output in my CMakeLists.txt:
>> >> include_directories(${OpenCV_INCLUDE_DIRS})
>> >> MESSAGE( STATUS "OpenCV_INCLUDE_DIRS " ${OpenCV_INCLUDE_DIRS} )
>> >>
>> >> And the output shows that the directory is incorrect:
>> >> OpenCV_INCLUDE_DIRS /usr/local/include/opencv/usr/local/include
>> >>
>> >> This might be what's causing the problem.  I tried to do a set() but it
>> >> didn't seem to fix it.
>> >>
>> >> Can somebody please advise?
>> >>
>> >> Thanks.
>> >
>> >
>> >
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