[vtkusers] Need to save vtkVolume as an 3D image

[Dean Inglis]

it looks to me like the image you are finally volume visualizing comes from
the continous erode filter.
I would instantiate the writer with the output format you want and then:
writer->SetInput(dilate->GetOutput());



On Tue, Sep 3, 2013 at 2:25 PM, Sahan Ranasinghe <sahancr at gmail.com> wrote:

> Dear Dean,
>
> This is the related part of my code. dataset is the read image series. you
> mean I nead to write dataset as image series. Am i right?
>
> vtkImageContinuousErode3D *dilate=vtkImageContinuousErode3D::New();
>  dilate->SetInput(dataset);
> dilate->SetKernelSize(3,3,1);
>
>
> vtkRenderer *renderer = vtkRenderer::New();
>
> vtkVolumeRayCastMIPFunction *mip=vtkVolumeRayCastMIPFunction::New();
>  vtkFixedPointVolumeRayCastMapper
> *mapper=vtkFixedPointVolumeRayCastMapper::New();
>  mapper->SetInput(dilate->GetOutput());
> mapper->SetSampleDistance(0.5);
> mapper->Update();
>
> vtkPiecewiseFunction *opacity=vtkPiecewiseFunction::New();
> opacity->AddPoint(0,0.0);
>  opacity->AddPoint(1,1.0);
>
> vtkVolumeProperty *property=vtkVolumeProperty::New();
> property->IndependentComponentsOff();
>  property->SetScalarOpacity(opacity);
>
> vtkVolume *volume=vtkVolume::New();
> volume->SetMapper(mapper);
>  volume->SetProperty(property);
> volume->Update();
>
> Thank you for your help.
>
> Regards,
> Sahan
>
>
> On Tue, Sep 3, 2013 at 11:48 PM, Dean Inglis <inglis.dl at gmail.com> wrote:
>
>> vtkVolume inherits from vtkProp3D: an object that is rendered.
>> It is not a data container (eg., vtkDataObject) and is therefore not
>> something you can write to disk.
>> As you stated, you already have your 3D image (data) in .raw file
>> format.
>> You could save it in another format (one single file or multiple files)
>> if needed:
>>
>> vtkNew<vtkSome_Kind_Of_Image_Writer> writer;
>> writer->SetInput( my_Raw_Image_Data_Reader->GetOutput() );
>> writer->SetFileName( a_name );
>> writer->Write();
>>
>> regards
>> Dean
>>
>>
>> On Tue, Sep 3, 2013 at 1:30 PM, Sahan Ranasinghe <sahancr at gmail.com>wrote:
>>
>>> I used VHP dataset (.raw) format images. first read all images and then
>>> use VolumeRayCastMapper, VolumeProperty and generate a vtkVolume object. It
>>> is visualized as i expected. Now I need to save this vtkVolume object as a
>>> 3D image.
>>>
>>> Thanks,
>>>
>>> Regards,
>>> Sahan
>>>
>>>
>>> On Tue, Sep 3, 2013 at 9:56 PM, Jude Pereira <jpereira at advsolinc.com>wrote:
>>>
>>>>  Do you mean like a rendering of a 3D object in png? Or output as an
>>>> obj solid? Or something else?****
>>>>
>>>> ** **
>>>>
>>>> Jude****
>>>>
>>>> ** **
>>>>
>>>> *From:* vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] *On
>>>> Behalf Of *Sahan Ranasinghe
>>>> *Sent:* Tuesday, September 03, 2013 11:51 AM
>>>> *To:* vtkusers at vtk.org
>>>> *Subject:* [vtkusers] Need to save vtkVolume as an 3D image****
>>>>
>>>> ** **
>>>>
>>>> ** **
>>>>
>>>> ** **
>>>>
>>>> Hi,****
>>>>
>>>> ** **
>>>>
>>>> I need to save a vtkvolume object as a 3D image. Can you please give me
>>>> any suggestion?****
>>>>
>>>> ** **
>>>>
>>>> Thank you.****
>>>>
>>>> ** **
>>>>
>>>> Regards,****
>>>>
>>>> Sahan****
>>>>
>>>> ** **
>>>>
>>>
>>>
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>
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