[vtkusers] vtk6 porting question (segfault)

Bill Lorensen bill.lorensen at gmail.com
Tue Aug 14 17:06:50 EDT 2012


Perhaps other can help regarding building VTK apps without cmake. CMake is
popular for many open source apps. I'm sure you can build your app without
cmake, but I'm not the one to help you.

Bill

On Tue, Aug 14, 2012 at 4:51 PM, Trevor Irons <trevorirons at gmail.com> wrote:

> That sounded wrong. I'm fully aware that CMake is a great way to write
> portable applications. What I mean I guess is a simpler way to write simple
> applications that use VTK > 5.8, avoiding the need to use $VTK_LIBRARIES.
> Or is there a way to make CMake set $VTK_LIBRARIES as an environmental
> variable so other build processes can use it?
>
> Thanks,
>
> -- Trevor
>
>
>
>
> On 14 August 2012 20:37, Trevor Irons <trevorirons at gmail.com> wrote:
>
>> OK, I was able to build all of the examples OK.
>>
>> My problem is that I do not use CMake in my application, so relying on
>> CMake is not a very good solution for me. Are there any resources for how
>> to write portable applications using VTK 6.0, I have been relying on users
>> to have VTK installed already. Maybe I should stick with 5.10 for a while.
>>
>> Thanks again,
>>
>> -- Trevor
>>
>>
>>
>>
>> On 14 August 2012 20:06, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>
>>> The wiki examples should build with default settings for cmake.
>>>
>>>
>>>
>>>
>>> On Tue, Aug 14, 2012 at 3:42 PM, Trevor Irons <trevorirons at gmail.com>wrote:
>>>
>>>> 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
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> 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
>>>>>>>>>>
>>>>>>>>>> Follow this link to subscribe/unsubscribe:
>>>>>>>>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Unpaid intern in BillsBasement at noware dot com
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Unpaid intern in BillsBasement at noware dot com
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Unpaid intern in BillsBasement at noware dot com
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Unpaid intern in BillsBasement at noware dot com
>>>
>>>
>>
>


-- 
Unpaid intern in BillsBasement at noware dot com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20120814/b794b354/attachment.htm>


More information about the vtkusers mailing list