[vtkusers] Problem with vtkImageViewer2 and QVTKWidget

[Luis Roberto P. Paula]

Is there anyone in this group that have used vtkImageViewer2 with QVTKWidget
successfully?

Am I wrong to think that QVTKWidget works only with vtkImageViewer?

Thanks,
Luis

On Mon, Nov 10, 2008 at 7:47 PM, Luis Roberto P. Paula <luisrpp at gmail.com>wrote:

> Hi All,
>
> I'm trying to use the vtkImageViewer2 to display a 2D image in a
> QVTKWidget, but I'm getting some errors.
>
> Here is a piece of code:
>
>    image_viewer = vtkImageViewer2::New();
>    qvtkWidget->SetRenderWindow(image_viewer->GetRenderWindow());
>    image_viewer->SetInput(get2DImage());
>    image_viewer->Render();
>
> Error messages:
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Rendering/vtkImageActor.cxx, line 267
> vtkOpenGLImageActor (0x8ba93e0): This filter requires unsigned char scalars
> as input
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Rendering/vtkImageActor.cxx, line 267
> vtkOpenGLImageActor (0x8ba93e0): This filter requires unsigned char scalars
> as input
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
> line 725
> vtkStreamingDemandDrivenPipeline (0x8ba9890): Input port 0 of algorithm
> vtkImageMapToWindowLevelColors(0x8b62358) has 0 connections but is not
> optional.
>
> ERROR: In /home/luis/dev-tools/VTK/Rendering/vtkImageActor.cxx, line 267
> vtkOpenGLImageActor (0x8ba93e0): This filter requires unsigned char scalars
> as input
>
>
> -------------------------------------------------------------------------------------------
>
> Does anybody knows how to fix this? It works with the vtkImageViewer class,
> but I think the vtkImageViewer2 is a better option to display a 2D image in
> a widget.
>
> Thank's
> Luis
>
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