pointToPixelY method
Implementation
@nonVirtual
double pointToPixelY(num x, num y) {
  return isTransposed
      ? xAxis!.pointToPixel(x, range: xAxis!.effectiveVisibleRange)
      : yAxis!.pointToPixel(y, range: yAxis!.effectiveVisibleRange);
}@nonVirtual
double pointToPixelY(num x, num y) {
  return isTransposed
      ? xAxis!.pointToPixel(x, range: xAxis!.effectiveVisibleRange)
      : yAxis!.pointToPixel(y, range: yAxis!.effectiveVisibleRange);
}