class_docstr: Flip the image.
class_docstr_tok: ["Flip","the","image","."]
code: def apply_coords(self, coords):
      if self.horiz:
          coords[:, 0] = self.w - coords[:, 0]
      else:
          coords[:, 1] = self.h - coords[:, 1]
      return coords
  
imports: import numpy
  import cv2
  from ...utils.argtools import log_once
  from .base import ImageAugmentor, _default_repr
label_desc: Use image node_id 3 for calling the FlipTransform obj's underlying member method code with example usage: obj.apply_coords(coords) and returns: coords