[vtkusers] vtk6 porting question (segfault)

Tue Aug 14 15:42:40 EDT 2012

Correction, I was following these directions.

http://vtk.org/Wiki/VTK/Examples/Instructions/ForUsers

-- Trevor

On 14 August 2012 19:41, Trevor Irons <trevorirons at gmail.com> wrote:

> Thanks for the help. I think it's come down to not having
> VTK_USE_RENDERING defined.
> At least I get this error when following the directions on
> http://vtk.org/Wiki/VTK/Examples/Cxx.
>
> However, this does not seem to be an option when configuring VTK. There is
> VTK_Group_Rendering, but no VTK_USE_RENDERING option.
>
> I also find this strange, as in my installation directory
>  $ ls -l  libvtkRendering*.so
>
> libvtkRenderingAnnotation-6.0.so               libvtkRenderingGL2PS-6.0.so
> libvtkRenderingMathText-6.0.so
> libvtkRenderingAnnotationPython27D-6.0.so
> libvtkRenderingGL2PSPython27D-6.0.so
> libvtkRenderingMathTextPython27D-6.0.so
> libvtkRenderingContext2D-6.0.so
> libvtkRenderingHybridOpenGL-6.0.so           libvtkRenderingOpenGL-6.0.so
> libvtkRenderingContext2DPython27D-6.0.so
> libvtkRenderingHybridOpenGLPython27D-6.0.so
> libvtkRenderingOpenGLPython27D-6.0.so
> libvtkRenderingCore-6.0.so                     libvtkRenderingImage-6.0.so
> libvtkRenderingVolume-6.0.so
> libvtkRenderingCorePython27D-6.0.so
> libvtkRenderingImagePython27D-6.0.so
> libvtkRenderingVolumeOpenGL-6.0.so
> libvtkRenderingFreeType-6.0.so                 libvtkRenderingLOD-6.0.so
> libvtkRenderingVolumeOpenGLPython27D-6.0.so
> libvtkRenderingFreeTypeOpenGL-6.0.so
> libvtkRenderingLODPython27D-6.0.so
> libvtkRenderingVolumePython27D-6.0.so
> libvtkRenderingFreeTypeOpenGLPython27D-6.0.so  libvtkRenderingLabel-6.0.so
>
> libvtkRenderingFreeTypePython27D-6.0.so
> libvtkRenderingLabelPython27D-6.0.so
>
> Generates quite a lot of hits. Thanks again for the tips and suggestions.
>
> -- Trevor
>
>
>
>
> On 14 August 2012 17:54, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>
>> The built examples will be in the bin directory of your VTK.
>>
>> A more extensive set of examples are on the Wiki:
>> http://vtk.org/Wiki/VTK/Examples/Cxx
>>
>> each has a valid CMakeLists.txt file.
>>
>> You can also build them all by following these instructions:
>> http://vtk.org/Wiki/VTK/Examples/Instructions/ForUsers
>>
>> Bill
>>
>>
>> On Tue, Aug 14, 2012 at 1:48 PM, Bill Lorensen <bill.lorensen at gmail.com>wrote:
>>
>>> PLease keep repiles on the list.
>>>
>>> For VTK6 use:
>>>
>>> ${VTK_LIBRARIES} instead of vtkRendering
>>>
>>>
>>> On Tue, Aug 14, 2012 at 1:02 PM, Trevor Irons <trevorirons at gmail.com>wrote:
>>>
>>>> Hi Bill! Wow.
>>>>
>>>> I guess this is the underlying question. I enabled build examples in
>>>> CMake. But I honestly can't find where these are compiled to. My example is
>>>> from
>>>>
>>>> VTKSOURCE/Examples/Tutorial/Step1/Cxx/Cone.cxx
>>>>
>>>> And the CMakeLists there specifies
>>>>
>>>> PROJECT (Step1)
>>>>
>>>> IF(NOT VTK_BINARY_DIR)
>>>> FIND_PACKAGE(VTK REQUIRED)
>>>> IF(NOT VTK_USE_RENDERING)
>>>>   MESSAGE(FATAL_ERROR "Example ${PROJECT_NAME} requires
>>>> VTK_USE_RENDERING.")
>>>> ENDIF(NOT VTK_USE_RENDERING)
>>>> INCLUDE(${VTK_USE_FILE})
>>>> ENDIF(NOT VTK_BINARY_DIR)
>>>>
>>>> ADD_EXECUTABLE(Cone Cone.cxx)
>>>> TARGET_LINK_LIBRARIES(Cone vtkRendering)
>>>>
>>>> But vtkRendering I think is a pre 6.0 library? Where in the build
>>>> directory are the Examples built? Is there an updated CmakeLists file there?
>>>>
>>>> Thanks so much,
>>>>
>>>> -- Trevor
>>>>
>>>>
>>>>
>>>>
>>>> On 14 August 2012 16:51, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>>>
>>>>> Have you tried building your example with CMake. I suspect you are
>>>>> missing some libraries.
>>>>>
>>>>> On Tue, Aug 14, 2012 at 11:47 AM, Trevor Irons <trevorirons at gmail.com>wrote:
>>>>>
>>>>>> Sorry if this has been asked before, but I couldn't find it.
>>>>>>
>>>>>> I am having trouble porting an application over to VTK 6.0. I
>>>>>> followed the guide at
>>>>>> http://www.vtk.org/Wiki/VTK/VTK_6_Migration_Guide
>>>>>>
>>>>>> I am able to get my project to compile but I hit a seg fault at
>>>>>> execution. As a minimal example consider a pared down Cone.cxx from the
>>>>>> Examples
>>>>>>
>>>>>> // First include the required header files for the VTK classes we are
>>>>>> using.
>>>>>> #include "vtkConeSource.h"
>>>>>> #include "vtkPolyDataMapper.h"
>>>>>>
>>>>>> int main()
>>>>>> {
>>>>>>
>>>>>>   vtkConeSource *cone = vtkConeSource::New();
>>>>>>   cone->SetHeight( 3.0 );
>>>>>>   cone->SetRadius( 1.0 );
>>>>>>   cone->SetResolution( 10 );
>>>>>>
>>>>>>   vtkPolyDataMapper *coneMapper = vtkPolyDataMapper::New();
>>>>>>   coneMapper->SetInputConnection( cone->GetOutputPort() );
>>>>>>   //coneMapper->SetInputData( cone->GetOutput()
>>>>>> );                         // I tried this too
>>>>>>
>>>>>>   exit(0);
>>>>>>
>>>>>> }
>>>>>>
>>>>>> I have been compiling with
>>>>>>
>>>>>> g++ Cone.cxx -g -g3  -o testit  -I/usr/local/include/vtk-6.0/
>>>>>> -lvtkRenderingCore-6.0  -lvtkFiltersSources-6.0
>>>>>> -lvtkCommonExecutionModel-6.0
>>>>>>
>>>>>> on
>>>>>>
>>>>>> g++ --version
>>>>>> g++ (GCC) 4.7.1 20120721 (prerelease)
>>>>>> Copyright (C) 2012 Free Software Foundation, Inc.
>>>>>> This is free software; see the source for copying conditions.  There
>>>>>> is NO
>>>>>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>>>>>> PURPOSE.
>>>>>>
>>>>>> And when I execute, I just see a segmentation fault. I assume I am
>>>>>> doing something wrong, but I can't figure out what.
>>>>>>
>>>>>> I ran it through gdb, but it just said the fault was in
>>>>>> SetInputConnection, or SetInputData, I tried both. This is with the tip of
>>>>>> VTK from the git repository.
>>>>>>
>>>>>> Thanks for any suggestions.
>>>>>>
>>>>>> -- Trevor
>>>>>>
>>>>>>
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>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Unpaid intern in BillsBasement at noware dot com
>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Unpaid intern in BillsBasement at noware dot com
>>>
>>>
>>
>>
>> --
>> Unpaid intern in BillsBasement at noware dot com
>>
>>
>
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