- Oct 18, 2011
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- St Kilda, Ocean Grove Collendina Cobras
Yeah - imagine talking down a Saints players contender for goal of the year.The hoo ha over Snags' goal from the boundary is quite amusing. Clearly they have no understanding of how parallax error plays into the view of the ball in relation to the boundary line marking.
The ball is not on the same plane as the boundary. It sits above it. The ideal place to accurately view the position of the ball in relation to the line is 90 degrees perpendicular to the play. This is why a good goal umpire will locate themself on the goaline when judging whether the ball has crossed the line.
If the view in the case of Snags' kick is to the left of perpendicular it wlll give the impression that the ball is further to the right. If the view is to the left of perpendicular it will look like the ball is further left.
The camera angle makes the ball look as though it is further to the right than it actually is. In all likelihood a correction of that angle would reveal a good portion of the ball over the line at the point it was kicked. The boundary umpires in this case are located closer to perpendicular than the camera and therefore have a better view of the ball's actual location. Play on. Goal of the year!
Two umpires on the line 10 metres away said it was OK but blokes sitting in the stand a hundred and fifty metres away (probably half cut) reckon they know better.
Stunning goal from Higgins.