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List: insight-users
Subject: [Insight-users] stop registration
From: Isabelle Renaud <isabelle () hermesmedical ! com>
Date: 2011-12-23 15:04:50
Message-ID: 027C3672B8D651478D407B2ACA59AD6E2466D6FDB4 () hmsex7
[Download RAW message or body]
Hi,
I am trying to stop a registration process when user hits the Escape key. I thought \
that it will work using OptimizerIterationUpdate::Pointer observer = \
OptimizerIterationUpdate::New(); optimizer_->AddObserver( itk::UserEvent(), observer \
);
and then call, optimizer->StopOptimization(); in observer Execute method, but it \
doesn't. Hitting any key is not caught by the observer. I can't find any example of \
itk::UserEvent in ITK tutorials.
Any help will be appreciated,
Thanks
Isabelle
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class=WordSection1><p class=MsoNormal><span \
style='font-size:12.0pt;font-family:"Courier New"'>Hi,<o:p></o:p></span></p><p \
class=MsoNormal><span style='font-size:12.0pt;font-family:"Courier \
New"'><o:p> </o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'>I am trying to stop a registration process when user hits the Escape key. I \
thought that it will work using <o:p></o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'> <span style='color:#010001'>OptimizerIterationUpdate</span>::<span \
style='color:#010001'>Pointer</span> <span style='color:#010001'>observer</span> = \
<span style='color:#010001'>OptimizerIterationUpdate</span>::<span \
style='color:#010001'>New</span>();<o:p></o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'> <span style='color:#010001'>optimizer_</span>-><span \
style='color:#010001'>AddObserver</span>( <span \
style='color:#010001'>itk</span>::<span style='color:#010001'>UserEvent</span>(), \
<span style='color:#010001'>observer</span> );<o:p></o:p></span></p><p \
class=MsoNormal style='text-autospace:none'><span \
style='font-size:12.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p \
class=MsoNormal style='text-autospace:none'><span \
style='font-size:12.0pt;font-family:"Courier New"'>and then call, \
optimizer->StopOptimization(); in observer Execute method, but it doesn’t. \
Hitting any key is not caught by the observer. I can’t find any example of \
itk::UserEvent in ITK tutorials. <o:p></o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'><o:p> </o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'>Any help will be appreciated,<o:p></o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'><o:p> </o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'>Thanks<o:p></o:p></span></p><p class=MsoNormal \
style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier \
New"'>Isabelle<o:p></o:p></span></p><p class=MsoNormal><span \
style='font-size:12.0pt;font-family:"Courier \
New"'><o:p> </o:p></span></p></div></body></html>
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