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rename variables and print coordinates
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@ -80,19 +80,19 @@ def expand_crop_region(crop_region, processing_width, processing_height, image_w
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def expand_too_small_crop_region(crop_region, processing_width, processing_height, image_width, image_height):
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"""expands a crop_region to not have dimensions smaller than processing_dimensions"""
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def _expand_segment(c1, c2, processing_dimension, image_dimension):
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"""expands the segment given by c1 c2 to the desired_dimension but not exceeding the boundaries of the image_dimension"""
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if (diff := processing_dimension + c1 - c2) > 0:
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# if the region is smaller than processing_dimension, extend both sides equally
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def _expand_segment(c1, c2, desirable_length, maximal_coordinate):
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"""expands the segment given by c1 c2 to the desired_dimension but not exceeding the boundaries of the maximal_coordinate"""
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if (diff := desirable_length + c1 - c2) > 0:
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# if the region is smaller than desirable_length, extend both sides equally
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diff_l = diff // 2
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c1 -= diff_l
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c2 += diff - diff_l
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if c1 < 0: # shift the region to the right by c1
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c2 = min(c2 - c1, image_dimension) # ensure c2 is within image_dimension
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c2 = min(c2 - c1, maximal_coordinate) # ensure c2 is within maximal_coordinate
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c1 = 0
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elif c2 >= image_dimension: # shift the region to the left by (c2 - image_dimension)
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c1 = max(c1 - c2 + image_dimension, 0) # ensure c1 is not below 0
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c2 = image_dimension
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elif c2 >= maximal_coordinate: # shift the region to the left by (c2 - maximal_coordinate)
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c1 = max(c1 - c2 + maximal_coordinate, 0) # ensure c1 is not below 0
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c2 = maximal_coordinate
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return c1, c2
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x1, y1, x2, y2 = crop_region
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@ -100,7 +100,7 @@ def expand_too_small_crop_region(crop_region, processing_width, processing_heigh
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y1, y2 = _expand_segment(y1, y2, processing_height, image_height)
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new_crop_region = x1, y1, x2, y2
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if new_crop_region != crop_region:
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print(f"Crop region {crop_region} was smaller then process resolution and has been expanded to {new_crop_region}")
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print("Crop region was smaller then resolution and has been corrected")
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return new_crop_region
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