[vtkusers] bugs on Qt wiki Examples

[Bill Lorensen]

Unfortunately, the qt examples on the wiki are not build every night. The
other c++ examples are synced every night and built.

To fix an example, edit/add the code on the wiki.

Also, let me know which files are not being synced with the git repo. I'll
correct the nightly sync script to correct that.

Thanks,

Bill

On Mon, Oct 22, 2012 at 12:27 AM, Juan Cardelino
<juan.cardelino at gmail.com>wrote:

> Dear all,
>             These days I started trying the Qt examples on the wiki
> and it was really hard at first. Now that I have them working, I would
> like to point out some issues I found.
> 1) For a long time ITK and VTK user, it is faster and more comfortable
> to use the examples from GIT rather than from the wiki. When I got the
> examples from git I found two issues:
> a) The qt examples and the wiki are not in sync. At first I couldn't
> make them work, because I didn't know some files where generated from
> the .ui file, which BTW is missing from the git repo.
> b) The qt examples are not built by default and I did not find an easy
> way to enable them. Maybe the missing .ui file is related to this
> issue.
> c) either a) and b) are correct, or I am missing something. If I'm
> missing something, this means that we need a better documentation to
> make whats needed clear.
> 2) After failing with the git examples, I've fallen back to the wiki.
> Once copy/pasted everything I found out two problems:
> a) On osx with cmake 2.8.6, it will fail, because some escape
> sequences were missing. See the following post for an explanation:
> http://www.vtk.org/pipermail/vtk-developers/2012-May/011548.html.
> Using cmake 2.8.9 the problem is gone.
> b) The CMakeLists.txt is incorrect. The line: TARGET_LINK_LIBRARIES(
> RenderWindowUIMultipleInheritance QVTK ) does not work. I don't have
> libQVTK on any of my systems. It should read: TARGET_LINK_LIBRARIES(
> RenderWindowUIMultipleInheritance ${VTK_LIBRARIES} ${QT_LIBRARIES} )
> or at least:
> TARGET_LINK_LIBRARIES( RenderWindowUIMultipleInheritance
> ${VTK_LIBRARIES} ). I did not test the second one.
>
> All those minor issues are really a stopper for a newcomer to Qt, even
> being proficient in Cmake and VTK. I'm not asking for any work, but
> offering it. I volunteer to correct those minor things. It passed some
> time since I contributed examples so I don't remember the proper way
> to correct them. Is directly the wiki the proper place?
> The cmake issue in particular, made me think about the necessity of
> adding a little readme to the each example, or at least to the whole
> wiki section. Is there a standard way to do it? Because that cmake
> issue will occur in every Qt example and putting a small notice could
> help the newcomer.
>
> Thanks in advance.
> Best regards,
>                     Juan
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-- 
Unpaid intern in BillsBasement at noware dot com
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