question: @ Override public double java2DToValue ( double java2DValue , Rectangle2D plotArea , RectangleEdge edge ) { Range range = getRange ( ) ; double axisMin = switchedLog10 ( range . getLowerBound ( ) ) ; double axisMax = switchedLog10 ( range . getUpperBound ( ) ) ; double plotMin = 0.0 ; double plotMax = 0.0 ; if ( RectangleEdge . isTopOrBottom ( edge ) ) { plotMin = plotArea . getX ( ) ; plotMax = plotArea . getMaxX ( ) ; } else if ( RectangleEdge . isLeftOrRight ( edge ) ) { plotMin = plotArea . getMaxY ( ) ; plotMax = plotArea . getMinY ( ) ; } if ( isInverted ( ) ) { return switchedPow10 ( axisMax - ( ( java2DValue - plotMin ) / ( plotMax - plotMin ) ) * ( axisMax - axisMin ) ) ; } else { return switchedPow10 ( axisMin + ( ( java2DValue - plotMin ) / ( plotMax - plotMin ) ) * ( axisMax - axisMin ) ) ; } }
target:  Converts a coordinate in Java2D space to the corresponding data value, assuming that the axis runs along one edge of the specified plotArea.