[vtkusers] Changing the color of dicom image while displaying it.

[Jothybasu Selvaraj]

You need to setup a proper interaction style.

Set your interactor style to vtkInteractorStyleImage.

On Fri, Nov 2, 2012 at 9:54 AM, Kiran Gachchi <Kiran.Gachchi at hcl.com> wrote:

> Thanks for your Answer.****
>
> ** **
>
> I Have one more doubt. Please try to solve this issue.****
>
> ** **
>
> **1)      **I want to read a DICOM image using VTK and display it on MFC
> picture control.****
>
> I am able to do this. But the problem is, if I drag the image on picture
> control, it will rotate.  How to resolve it? I have attached the code
> snippet.****
>
> ** **
>
> ** **
>
> pvtkDICOMImageReaderRef->SetFileName((LPCTSTR)cstrFileName);****
>
> pviewer_Ref->SetInput(pvtkDICOMImageReaderRef->GetOutput());****
>
> pviewer_Ref->SetupInteractor(pvtkMFCWindow_Ref->GetInteractor());       **
> **
>
> pvtkMFCWindow_Ref->SetRenderWindow((vtkWin32OpenGLRenderWindow
> *)pviewer_Ref->GetRenderWindow());****
>
> pviewer_Ref->SetColorLevel(128); ****
>
> pviewer_Ref->SetColorWindow(1500); ****
>
> pviewer_Ref->GetRenderer()->ResetCamera();           ****
>
> pviewer_Ref->Render();****
>
> ** **
>
> **2)      **I tried one more thing. In this case, the image in MFC
> picture control will not rotate, but Image won’t fit in the picture control
> properly.****
>
> ** **
>
> this->pvtkDICOMImageReaderRef->SetFileName((LPCTSTR)cstrFileName);****
>
> this->pvtkDICOMImageReaderRef->Update();****
>
> this->pvtkImageMapper->SetInput(this
> ->pvtkDICOMImageReaderRef->GetOutput());****
>
> this->pvtkImageMapper->SetColorLevel(128);****
>
> this->pvtkImageMapper->SetColorWindow(1500);//8192****
>
> this->pvtkActor2D->SetMapper(this->pvtkImageMapper); ****
>
> this->pvtkRendererRef->AddActor(this->pvtkActor2D);****
>
> this->pvtkRendererRef->GetRenderWindow()->Render();****
>
> this->pvtkRendererRef->ResetCamera();****
>
> ** **
>
> Regards,****
>
> Kiran ****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> *From:* Jothybasu Selvaraj [mailto:jothybasu at gmail.com]
> *Sent:* Friday, November 02, 2012 3:22 PM
> *To:* Kiran Gachchi
> *Cc:* vtkusers at vtk.org
> *Subject:* Re: [vtkusers] Changing the color of dicom image while
> displaying it.****
>
> ** **
>
> You could use vtkDICOmImageReader and a proper lookup table to color the
> image.
>
> Have a look at this example
>
>
> http://vtk.org/gitweb?p=VTK.git;a=blob;f=Examples/ImageProcessing/Cxx/ImageSlicing.cxx
>
> Jothy
>
> ****
>
> ** **
>
> On Fri, Nov 2, 2012 at 5:31 AM, Kiran Gachchi <Kiran.Gachchi at hcl.com>
> wrote:****
>
> Hi all,****
>
>  ****
>
> I want to read a DICOM image (Gray Scale) in vtk and display it as color
> image.****
>
> Could anyone help me out?****
>
>  ****
>
> Regards,****
>
> Kiran****
>
>  ****
>
>
>
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> -- ****
>
> Jothybasu Selvaraj
> PhD Student
> University of Liverpool
> UK****
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> ** **
>



-- 
Jothybasu Selvaraj
PhD Student
University of Liverpool
UK
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