[vtkusers] Migration to VTK6

[Arno Klein]

Thank you for your help!

I am now able to compile with cmake on linux, but get the following error
on macosx 10.11, even though there is no "unistd.h" anywhere in my github
repo (https://github.com/nipy/mindboggle/issues/69):

Scanning dependencies of target FsSurfaceReader
[ 3%] Building CXX object
CMakeFiles/FsSurfaceReader.dir/FsSurfaceReader.cpp.o
In file included from
/software/mindboggle/surface_cpp_tools/FsSurfaceReader.cpp:13:
In file included from
/software/mindboggle/surface_cpp_tools/FsSurfaceReader.h:16:
In file included from /usr/local/include/vtk-6.0/vtkPolyData.h:58:
In file included from /usr/local/include/vtk-6.0/vtkPointSet.h:30:
In file included from /usr/local/include/vtk-6.0/vtkDataSet.h:41:
In file included from /usr/local/include/vtk-6.0/vtkDataObject.h:36:
In file included from /usr/local/include/vtk-6.0/vtkObject.h:42:
In file included from /usr/local/include/vtk-6.0/vtkObjectBase.h:44:
In file included from /usr/local/include/vtk-6.0/vtkIndent.h:25:
In file included from /usr/local/include/vtk-6.0/vtkSystemIncludes.h:36:
In file included from /usr/local/include/vtk-6.0/vtkIOStream.h:33:
In file included from
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iostream:37:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/__config:23:10:
fatal error:
'unistd.h' file not found
#include
^
1 error generated.
make[2]: *** [CMakeFiles/FsSurfaceReader.dir/FsSurfaceReader.cpp.o] Error 1
make[1]: *** [CMakeFiles/FsSurfaceReader.dir/all] Error 2
make: *** [all] Error 2

Cheers,
@rno

On Thu, Dec 3, 2015 at 6:25 AM, David E DeMarle <dave.demarle at kitware.com>
wrote:

> I agree with Cory on Update() being redundant before the Write().
>
> >    vtkDataObject* dobj = someAlgorithm->GetOutput(1);
> >    dobj->Update();
>
> should become:
>
>   someAlgorithm->Update(1); //to make sure there is something valid
>   vtkDataObject* dobj = someAlgorithm->GetOutput(1); //keep the output for
> later use
>
> Because since vtk6, dobj no longer has any connection to the algorithm, so
> updating it (which used to update the algorithm for you) no longer has any
> meaning.
>
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
> On Thu, Dec 3, 2015 at 9:09 AM, Cory Quammen <cory.quammen at kitware.com>
> wrote:
>
>> Arno,
>>
>> That pattern should be valid in VTK6. Are you getting compile errors?
>>
>> I believe the Update() and Write() calls to the writer are redundant -
>> you should need only one.
>>
>> Thanks,
>> Cory
>>
>> On Wed, Dec 2, 2015 at 5:56 PM, Arno Klein <binarybottle at gmail.com>
>> wrote:
>>
>>> I am trying to update my code to migrate to VTK6 according to:
>>>
>>> http://www.vtk.org/Wiki/VTK/VTK_6_Migration/Removal_of_Update
>>>
>>> According to the examples on that site, I understand that:
>>>
>>>     vtkDataObject* dobj = someAlgorithm->GetOutput(1);
>>>     dobj->Update();
>>>
>>> should become:
>>>
>>>     someAlgorithm->Update(1);
>>>
>>>
>>> However, I don’t know how to deal with the following pattern:
>>>
>>> void PointAreaComputer::WriteIntoFile(char *fileName)
>>> {
>>>     vtkPolyDataWriter* writer=vtkPolyDataWriter::New();
>>>     writer->SetFileName(fileName);
>>>     m_mesh->GetPointData()->SetScalars(m_pointsArea);
>>>     writer->SetInputData(m_mesh);
>>>     writer->Update();
>>>     writer->Write();
>>>     writer->Delete();
>>> }
>>>
>>> What should I do to make this compatible with VTK6?
>>>
>>> Cheers,
>>> @rno
>>>
>>> _______________________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at
>>> http://www.kitware.com/opensource/opensource.html
>>>
>>> Please keep messages on-topic and check the VTK FAQ at:
>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>
>>> Search the list archives at: http://markmail.org/search/?q=vtkusers
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> http://public.kitware.com/mailman/listinfo/vtkusers
>>>
>>>
>>
>>
>> --
>> Cory Quammen
>> R&D Engineer
>> Kitware, Inc.
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Search the list archives at: http://markmail.org/search/?q=vtkusers
>>
>> Follow this link to subscribe/unsubscribe:
>> http://public.kitware.com/mailman/listinfo/vtkusers
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/vtkusers/attachments/20151210/e5ea59b6/attachment.html>