[vtkusers] existing filter to perform replace value on vtkImage

[Michael Jackson]

Is there an existing filter where I can replace a value in the image  
if the value does not meet some criteria? Something like:

if (value < 255 ) value = 0;

Thanks
_________________________________________________________
Mike Jackson                  mike.jackson at bluequartz.net
BlueQuartz Software                    www.bluequartz.net
Principal Software Engineer                  Dayton, Ohio