BUG: 6638. Adding documentation to clarify how the origin of the output image            is going to be computed.
BUG: 6638. Adding documentation to clarify how the origin of the output image
           is going to be computed.

fbudin69500/ITK,GEHC-Surgery/ITK,InsightSoftwareConsortium/ITK,PlutoniumHeart/ITK,fuentesdt/InsightToolkit-dev,CapeDrew/DITK,msmolens/ITK,CapeDrew/DITK,blowekamp/ITK,hinerm/ITK,richardbeare/ITK,stnava/ITK,eile/ITK,InsightSoftwareConsortium/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,zachary-williamson/ITK,vfonov/ITK,vfonov/ITK,hjmjohnson/ITK,itkvideo/ITK,heimdali/ITK,stnava/ITK,GEHC-Surgery/ITK,hinerm/ITK,fbudin69500/ITK,eile/ITK,fbudin69500/ITK,fuentesdt/InsightToolkit-dev,malaterre/ITK,cpatrick/ITK-RemoteIO,rhgong/itk-with-dom,spinicist/ITK,vfonov/ITK,zachary-williamson/ITK,daviddoria/itkHoughTransform,hinerm/ITK,biotrump/ITK,hjmjohnson/ITK,biotrump/ITK,richardbeare/ITK,fedral/ITK,BRAINSia/ITK,itkvideo/ITK,fedral/ITK,GEHC-Surgery/ITK,ajjl/ITK,CapeDrew/DCMTK-ITK,BRAINSia/ITK,richardbeare/ITK,CapeDrew/DITK,LucasGandel/ITK,stnava/ITK,BlueBrain/ITK,msmolens/ITK,eile/ITK,Kitware/ITK,malaterre/ITK,msmolens/ITK,ajjl/ITK,spinicist/ITK,atsnyder/ITK,heimdali/ITK,daviddoria/itkHoughTransform,atsnyder/ITK,fedral/ITK,itkvideo/ITK,zachary-williamson/ITK,blowekamp/ITK,blowekamp/ITK,hjmjohnson/ITK,blowekamp/ITK,wkjeong/ITK,fuentesdt/InsightToolkit-dev,LucHermitte/ITK,wkjeong/ITK,wkjeong/ITK,itkvideo/ITK,BlueBrain/ITK,malaterre/ITK,atsnyder/ITK,CapeDrew/DITK,hinerm/ITK,richardbeare/ITK,rhgong/itk-with-dom,heimdali/ITK,LucasGandel/ITK,fbudin69500/ITK,vfonov/ITK,ajjl/ITK,Kitware/ITK,wkjeong/ITK,BlueBrain/ITK,cpatrick/ITK-RemoteIO,LucHermitte/ITK,LucHermitte/ITK,BRAINSia/ITK,LucHermitte/ITK,hinerm/ITK,fuentesdt/InsightToolkit-dev,InsightSoftwareConsortium/ITK,jmerkow/ITK,zachary-williamson/ITK,eile/ITK,paulnovo/ITK,wkjeong/ITK,zachary-williamson/ITK,eile/ITK,PlutoniumHeart/ITK,hendradarwin/ITK,richardbeare/ITK,Kitware/ITK,LucHermitte/ITK,CapeDrew/DCMTK-ITK,paulnovo/ITK,ajjl/ITK,atsnyder/ITK,biotrump/ITK,thewtex/ITK,heimdali/ITK,daviddoria/itkHoughTransform,hendradarwin/ITK,cpatrick/ITK-RemoteIO,hjmjohnson/ITK,hjmjohnson/ITK,CapeDrew/DITK,biotrump/ITK,hinerm/ITK,LucHermitte/ITK,Kitware/ITK,msmolens/ITK,malaterre/ITK,LucasGandel/ITK,daviddoria/itkHoughTransform,fuentesdt/InsightToolkit-dev,LucasGandel/ITK,jcfr/ITK,thewtex/ITK,zachary-williamson/ITK,eile/ITK,spinicist/ITK,biotrump/ITK,rhgong/itk-with-dom,rhgong/itk-with-dom,CapeDrew/DCMTK-ITK,msmolens/ITK,LucHermitte/ITK,CapeDrew/DITK,fedral/ITK,thewtex/ITK,BRAINSia/ITK,LucHermitte/ITK,fuentesdt/InsightToolkit-dev,spinicist/ITK,wkjeong/ITK,heimdali/ITK,vfonov/ITK,blowekamp/ITK,jcfr/ITK,itkvideo/ITK,zachary-williamson/ITK,jmerkow/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,itkvideo/ITK,msmolens/ITK,hendradarwin/ITK,itkvideo/ITK,blowekamp/ITK,paulnovo/ITK,richardbeare/ITK,malaterre/ITK,hinerm/ITK,fedral/ITK,PlutoniumHeart/ITK,hjmjohnson/ITK,thewtex/ITK,paulnovo/ITK,thewtex/ITK,CapeDrew/DITK,daviddoria/itkHoughTransform,cpatrick/ITK-RemoteIO,jmerkow/ITK,msmolens/ITK,thewtex/ITK,daviddoria/itkHoughTransform,spinicist/ITK,malaterre/ITK,hendradarwin/ITK,Kitware/ITK,malaterre/ITK,spinicist/ITK,fbudin69500/ITK,msmolens/ITK,cpatrick/ITK-RemoteIO,wkjeong/ITK,vfonov/ITK,fuentesdt/InsightToolkit-dev,jmerkow/ITK,jcfr/ITK,hendradarwin/ITK,itkvideo/ITK,cpatrick/ITK-RemoteIO,jcfr/ITK,blowekamp/ITK,paulnovo/ITK,BRAINSia/ITK,CapeDrew/DCMTK-ITK,ajjl/ITK,malaterre/ITK,rhgong/itk-with-dom,BRAINSia/ITK,CapeDrew/DCMTK-ITK,eile/ITK,PlutoniumHeart/ITK,stnava/ITK,LucasGandel/ITK,CapeDrew/DCMTK-ITK,GEHC-Surgery/ITK,CapeDrew/DCMTK-ITK,PlutoniumHeart/ITK,GEHC-Surgery/ITK,BlueBrain/ITK,fedral/ITK,PlutoniumHeart/ITK,BlueBrain/ITK,PlutoniumHeart/ITK,fedral/ITK,hjmjohnson/ITK,fbudin69500/ITK,spinicist/ITK,daviddoria/itkHoughTransform,vfonov/ITK,thewtex/ITK,Kitware/ITK,jmerkow/ITK,BRAINSia/ITK,hendradarwin/ITK,vfonov/ITK,GEHC-Surgery/ITK,ajjl/ITK,cpatrick/ITK-RemoteIO,daviddoria/itkHoughTransform,biotrump/ITK,blowekamp/ITK,hinerm/ITK,fbudin69500/ITK,paulnovo/ITK,ajjl/ITK,biotrump/ITK,LucasGandel/ITK,jcfr/ITK,stnava/ITK,hendradarwin/ITK,stnava/ITK,fbudin69500/ITK,richardbeare/ITK,eile/ITK,InsightSoftwareConsortium/ITK,atsnyder/ITK,wkjeong/ITK,jcfr/ITK,hinerm/ITK,atsnyder/ITK,fuentesdt/InsightToolkit-dev,GEHC-Surgery/ITK,spinicist/ITK,itkvideo/ITK,rhgong/itk-with-dom,hendradarwin/ITK,BlueBrain/ITK,atsnyder/ITK,heimdali/ITK,fuentesdt/InsightToolkit-dev,stnava/ITK,jcfr/ITK,jcfr/ITK,rhgong/itk-with-dom,atsnyder/ITK,CapeDrew/DCMTK-ITK,vfonov/ITK,stnava/ITK,zachary-williamson/ITK,ajjl/ITK,jmerkow/ITK,GEHC-Surgery/ITK,CapeDrew/DITK,Kitware/ITK,jmerkow/ITK,spinicist/ITK,eile/ITK,heimdali/ITK,paulnovo/ITK,PlutoniumHeart/ITK,rhgong/itk-with-dom,heimdali/ITK,InsightSoftwareConsortium/ITK,CapeDrew/DITK,jmerkow/ITK,fedral/ITK,zachary-williamson/ITK,stnava/ITK,LucasGandel/ITK,BlueBrain/ITK,cpatrick/ITK-RemoteIO,BlueBrain/ITK,daviddoria/itkHoughTransform,paulnovo/ITK,malaterre/ITK,CapeDrew/DCMTK-ITK,atsnyder/ITK