[vtkusers] Re: DCMTK question

[Mark Wyszomierski]

Yeah that's an excellent point, the vendors like to interpret the
standard non-standard-ly.

On 6/4/07, Luca Pamparana <luca.pamparana at gmail.com> wrote:
> Yeah, I think the better way is with this reading each element seperately.
> This way you do not have to parse anything and no need to worry about
> conversion from string to float or anything.
>
> Yeah, DICOM is annoying. However, it is the scanner vendors that are
> annoying :)
>
> Luca
>
>
> On 6/4/07, Mark Wyszomierski <markww at gmail.com> wrote:
> > I thought you could use findAndGetOFString() plus the element offset
> > your interested in and everything will get parsed for you
> > automatically. I think it was pretty much made for these tag
> > situations (like IOP, IPP, pixel spacing, etc).
> >
> > This DICOM stuff is annoying.
> >
> > Mark
> >
> > On 6/4/07, Luca Pamparana <luca.pamparana at gmail.com> wrote:
> > > Hi everyone,
> > >
> > > This tag cannot be read as an array. I did not know that each value had
> to
> > > be read in seperately. It is sorted now.
> > >
> > > Float64 rowxCos = 0.0;
> > > m_dcmFileFormat->getDataset()->findAndGetFloat64(
> > > >                 DCM_ImageOrientationPatient, rowxCos);
> > >
> > > Float64 rowyCos = 0.0;
> > > m_dcmFileFormat->getDataset()->findAndGetFloat64(
> > > >                 DCM_ImageOrientationPatient, rowyCos);
> > >
> > > and so on...
> > >
> > > Thanks,
> > > Luca
> > >
> > >
> > >
> > > So, I had to do..
> > >
> > > On 6/4/07, Luca Pamparana < luca.pamparana at gmail.com> wrote:
> > > > Hello,
> > > >
> > > > I know this is not the best forum for this and I apologize for
> positing
> > > here. However, since many people here have experience with DCMTK, I was
> > > wondering if someone could help me.
> > > >
> > > > I am trying to read the DCM_ImageOrientationPatient tag (0020, 0037).
> > > >
> > > > I have the following code which should get the pointer to the value
> > > arrays:
> > > >
> > > >
> > > > const Float32 * data = 0;
> > > > retval =
> > > m_dcmFileFormat->getDataset()->findAndGetFloat32Array(
> > > >                 DCM_ImageOrientationPatient, data).good();
> > > >
> > > > m_dcmFileFormat = DcmFileFormat object pointer.
> > > >
> > > > I have tried it with float and double array types but the method
> always
> > > returns false.
> > > >
> > > > If someone can help me find what I am doing wrong, I will be much
> > > grateful.
> > > >
> > > > Thank you,
> > > >
> > > > Luca
> > > >
> > >
> > >
> > > _______________________________________________
> > > This is the private VTK discussion list.
> > > Please keep messages on-topic. Check the FAQ at:
> > > http://www.vtk.org/Wiki/VTK_FAQ
> > > Follow this link to subscribe/unsubscribe:
> > > http://www.vtk.org/mailman/listinfo/vtkusers
> > >
> > >
> >
>
>