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