<div dir="ltr">Hello Everyone,<div><br></div><div>I have problem while applying spatial masking.</div><div><br></div><div>When I apply spatial mask I get this error.</div><div><br></div><div><i>"<span style="line-height:115%">itk::ExceptionObject (0038D8CC)</span></i></div><p class="MsoNormal"><i><a name="_GoBack"></a></i></p>
<p class="MsoNormal"><span lang="EN-US" style="line-height:115%"><i>Location:
"void __thiscall itk::ImageToImageMetricv4<class
itk::Image<float,2>,class itk::Image<float,2>,classitk::Image<float,2>,double,class itk::DefaultImageToImageMetricTraitsv4<class
itk::Image<float,2>,class itk::Image<float,2>,class
itk::Image<float,2>,double>>::MapFixedSampledPointSetToVirtual(void)"</i></span></p>
<p class="MsoNormal"><span lang="EN-US" style="line-height:115%"><i><br></i></span></p><p class="MsoNormal"><span lang="EN-US" style="line-height:115%"><i>File:
c:\itk\src\modules\registration\metricsv4\include\itkImageToImageMetricv4.hxx</i></span></p>
<p class="MsoNormal"><span lang="EN-US" style="line-height:115%"><i>Line:
532</i></span></p>
<p class="MsoNormal"><span lang="EN-US" style="line-height:115%"><i>Description:
itk::ERROR: MattesMutualInformationImageToImageMetricv4(060914C0):</i></span></p>
<div><i><span style="line-height:115%">Fixed
Sample point set is empty.</span>"</i></div><div><i><br></i></div><div>Does anyone know how to solve this?</div><div><br></div><div>Best Regards,</div><div>Suneeza</div></div>