[vtkusers] Convert VTK 3D world coordinates to 3D DICOMcoordinate

[Hongsongyang]

Could I understand as that you want to convert world coordinates into screen
coordinates? 

> -----Original Message-----
> From: vtkusers-bounces at vtk.org 
> [mailto:vtkusers-bounces at vtk.org] On Behalf Of ericphd
> Sent: Thursday, May 23, 2013 12:51 AM
> To: vtkusers at vtk.org
> Subject: Re: [vtkusers] Convert VTK 3D world coordinates to 
> 3D DICOMcoordinate
> 
> Thanks for your reply hongsongyang,
> 
> Okay..maybe I should explain more here.
> The coordinates/annotations generated by the tool (ITK/VTK) I 
> presume in World coordinate?
> 
> If they are in world coordinate then what I want to do is to 
> write a MatLab code to convert all those world coordinates 
> into 2D with top left corner starts from (0,0). Basically I 
> want to convert those world coordinate into 2D image plane as 
> we viewing image on our computer screen.
> 
> * Maybe ignore the 3D dicom coordinate here. I just want to 
> convert from world coordinate into 2D image plane coordinate. 
> For example something like this
> 
> In world coordinate generated from VTK (-2.23,6.95,17.5) and into 2D
> (209,264) 
> 
> But don't worry about the matlab code because i can write it. 
> I just want to know the mathematical formula to do the conversion.
> 
> Thanks,
> Eric
> 
> 
> 
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> tes-to-3D-DICOM-coordinate-tp5720854p5720886.html
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