[vtkusers] Newbie Needs example code for slider bars

Anja Ende anja.ende at googlemail.com
Fri Oct 13 13:35:26 EDT 2006 

Could you also send me the error messages that you got?

On 13/10/06, Ashish Singh <mrasingh at gmail.com> wrote:
>
> Thanks Anja. I am using visual studio 2005 as my IDE. I ran a simple
> example. I clubbed the hello world example from qt and an image display
> example from vtk together and then ran it using qmake. I wanted to make a
> visual studio project so i ran the command:
> 'qmake -project -t vcapp -o helloworld.pro' <http://helloworld.pro>
> this gave me a helloworld.pro file. I edited this file to include the path
> etc and then ran qmake again. this gave me a .vcproj file which i opened in
> visual studio and then build it there. Here I got all those errors.
> The code I am using to test the working of vtk and qt together is as
> follows:
> -----
> #include <QApplication>
> #include <QPushButton>
> #include "vtkRenderWindow.h"
> #include "vtkRenderer.h "
> #include "conio.h"
> #include "vtkDICOMImageReader.h"
> #include "vtkImageViewer2.h"
> #include "vtkRenderWindowInteractor.h"
>
>
>     int main(int argc, char *argv[])
>     {
>         QApplication app(argc, argv);
>
>         QPushButton hello("Hello world!");
>         hello.resize(100, 30);
>
>         hello.show();
>       //  return app.exec();
>   //  }
>
>
> //int main( int argc, char *argv[] )
> //{
>
>   vtkDICOMImageReader *img1=vtkDICOMImageReader::New();
>   img1->SetFileName("D:\\testimages\\IM_00001.dcm");
>
>   vtkImageViewer2 * myviewer=vtkImageViewer2::New();
>   myviewer->SetInput(img1->GetOutput());
>   //myviewer->SetSize(720,540);
>   myviewer->SetColorWindow(2000);
>   myviewer->SetColorLevel(1500);
>   myviewer->Render();
>
>   vtkRenderWindowInteractor *iren=vtkRenderWindowInteractor::New();
>   iren->SetRenderWindow(myviewer->GetRenderWindow());
>   iren->Initialize();
>   iren->Start();
>
>   img1->Delete();
>   myviewer->Delete();
>   iren->Delete();
>
>   return app.exec();
> }
> ------
> And my modified helloworld.pro file looks like this:
> ----
> ######################################################################
> # Automatically generated by qmake ( 2.00a) Fri Oct 13 12:20:39 2006
> ######################################################################
>
> TEMPLATE = vcapp
> TARGET +=
> DEPENDPATH += .
> LIBS += C:\vtk-5.0.2\VTKBINARIES\bin\debug\vtkRendering.lib
> INCLUDEPATH += .;C:\vtk-5.0.2\VTKSOURCE\GRAPHICS;C:\vtk-
> 5.0.2\VTKSOURCE\FILTERING;C:\vtk-5.0.2\VTKSOURCE\COMMON;C:\vtk-
> 5.0.2\VTKBINARIES;C:\vtk-5.0.2\VTKSOURCE\RENDERING;C:\vtk-
> 5.0.2\VTKSOURCE\IO
>
>
> # Input
> SOURCES += helloworld.cpp
> -------
> Am I missing something? Plz. help.
>
> Thanks,
> Ashish
>
>
> On 10/13/06, Anja Ende < anja.ende at googlemail.com> wrote:
> >
> > Hi Ashish,
> >
> > LD_LIBRARY_PATH only tells where to look for the dynamic libraries (DLLs
> > on windows).
> >
> > What development environment are you using? Did you simply run qmake on
> > your pro file and then make or are you using an IDE?
> >
> > Unfortunately, I am not a development machine now. But if it does not
> > work, I will try to send a simple example tomorrow.
> >
> > Cheers,
> > Anja
> >
> > On 13/10/06, Ashish Singh <mrasingh at gmail.com> wrote:
> > >
> > > Thanks Anja. But I am still stuck. Can you send me a simple example
> > > maybe a cone example with something like a push button along with the pro
> > > file, using both vtk and qt?
> > >
> > > As you suggested I set the lib path in the .pro file and the include
> > > path to my vtk parent directory. But now it says cannot open include file
> > > vtkconesource.h, if I add the path to this file it comes up with
> > > another file...and another and another...
> > > I get 5-6 such errors and if I include the path to all of them, I get
> > > a fatal error:363 unresolved externals.
> > > What did i miss? what is the LD_LIBRARY_PATH in your example? I didnt
> > > do that part.
> > >
> > > Thanks,
> > > Ashish
> > >
> > >
> > > On 10/13/06, Anja Ende < anja.ende at googlemail.com> wrote:
> > > >
> > > > Hi Ashish,
> > > >
> > > > In the project PRO file (this is used when you run qmake) command,
> > > > you will need to specify where the vt include and lib files are.
> > > >
> > > > Below, I am attaching the relevant sections from my PRO file. As you
> > > > can see the LIBS directive tells QT the vtk libs I am using in my project
> > > > and the INCLUDEPATH also includes the path to the vtk includes.
> > > >
> > > > LIBS += -lvtkWidgets \
> > > > -lQVTK \
> > > > -lvtktiff \
> > > > -lvtkjpeg \
> > > > -lvtkexpat \
> > > > -lvtkMPEG2Encode \
> > > > -lvtkIO \
> > > > -lvtkRendering \
> > > > -lvtkGraphics \
> > > > -lvtkImaging \
> > > > -lvtkftgl \
> > > > -lvtkfreetype \
> > > > -lvtkFiltering \
> > > > -lvtkCommon \
> > > > -lvtksys \
> > > > -lvtkDICOMParser \
> > > > -lXt \
> > > > -lvtkpng \
> > > > -lvtkzlib
> > > >
> > > > INCLUDEPATH += ../src \
> > > > /usr/local/include/vtk-5.0
> > > >
> > > > In addition you must export the QTDIR and PATH variables and set the
> > > > LD_LIBRARY_PATH . In Linux, the best place is the .bashrc file. I am not
> > > > sure about windows but probably it is the environment variables.
> > > >
> > > > My .bashrc file looks like:
> > > >
> > > > export QTDIR=/usr/local/Trolltech/Qt-4.1.4
> > > > export QTDIR
> > > >
> > > > export PATH=$PATH:/usr/local/Trolltech/Qt-4.1.4/bin/
> > > > export PATH
> > > > export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
> > > >
> > > >
> > > > I hope this helps you.
> > > >
> > > > Cheers,
> > > > Anja
> > > >
> > > > On 13/10/06, Ashish Singh <mrasingh at gmail.com> wrote:
> > > > >
> > > > > Even, I want to make a slider in my vtk application. I was
> > > > > planning to use Qt for that, but for some reason I cannot get Qt to run with
> > > > > vtk. How are you doing it, Anja? I have Qt 4.1.4 and VTK 5.0.2installed on my workstation (windows xp pro x64). Both of them are running
> > > > > independently but I don't know how to use them together in the same
> > > > > application. How did you configure them?
> > > > >
> > > > > Thanks,
> > > > > Ashish
> > > > >
> > > > > On 10/13/06, Anja Ende < anja.ende at googlemail.com> wrote:
> > > > >
> > > > > > Hi Spencer,
> > > > > >
> > > > > > What GUI framework are you using for displaying the sliders?
> > > > > > This should be completely independent from vtk.
> > > > > >
> > > > > > I use Qt and use QSlider and it works fine.
> > > > > >
> > > > > > Cheers,Anja
> > > > > >
> > > > > > _______________________________________________
> > > > > > This is the private VTK discussion list.
> > > > > > Please keep messages on-topic. Check the FAQ at:
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> > > > > > Follow this link to subscribe/unsubscribe:
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> > > > > >
> > > > > >
> > > > > >
> > > > >
> > >
> >
> >
> > --
> > Cheers,
> >
> > Anja
>
>
>


-- 
Cheers,

Anja
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