stella.acquire

Interface AutoGuidingShift

public interface AutoGuidingShift

Acquisition and guiding units that are operated with a CCD device will, as a quasi-final product, produce a pixel shift of nominal versus apparent. This shift has to be processed further with instances implementing this interface. It is in particular responsible for taking the continuously arriving shifts during an auto-guiding process into telescope (or equivalent) offsets.

Author:

wooz

Method Summary

Modifier and Type	Method and Description
void	abort() If during guiding a situation is discovered that cannot be solved and may also persist after a restart, this method is called.
void	measuredShift(Date now, Vector2D pixel, boolean pivot) The callback method for instances that measure a nominal versus apparent shift.
void	restart() If during guiding the reading of the CCD fails, we call this method.

Method Detail

measuredShift

void measuredShift(Date now,
                   Vector2D pixel,
                   boolean pivot)

The callback method for instances that measure a nominal versus apparent shift.

Parameters:

now - The time as close to the actual measurement as possible.

pixel - The retrieved pixel shift, nominal minus apparent.

pivot - True, if signal was detected on pivotal point.

abort

void abort()

If during guiding a situation is discovered that cannot be solved and may also persist after a restart, this method is called.

restart

void restart()

If during guiding the reading of the CCD fails, we call this method.