Mercurial > repos > imgteam > scale_image
annotate scale_image.py @ 6:72b8a6b7661b draft default tip
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c55311bbe4c3d7e0039c77785509a150864bb272
author | imgteam |
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date | Thu, 17 Oct 2024 10:47:27 +0000 |
parents | 85666e555698 |
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c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
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1 import argparse |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
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2 import sys |
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d09507d3fb0e
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit 6b687746bdb3d5d1fb11ecffd6dd1bf42dc2c38d
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3 |
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85666e555698
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c86a1b93cb7732f7331a981d13465653cc1a2790
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4 import giatools.io |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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5 import numpy as np |
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c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
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6 import skimage.io |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
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7 import skimage.transform |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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8 import skimage.util |
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c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
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9 from PIL import Image |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
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10 |
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d09507d3fb0e
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit 6b687746bdb3d5d1fb11ecffd6dd1bf42dc2c38d
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11 |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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12 def scale_image(input_file, output_file, scale, order, antialias): |
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d09507d3fb0e
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit 6b687746bdb3d5d1fb11ecffd6dd1bf42dc2c38d
imgteam
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13 Image.MAX_IMAGE_PIXELS = 50000 * 50000 |
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85666e555698
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c86a1b93cb7732f7331a981d13465653cc1a2790
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14 im = giatools.io.imread(input_file) |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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15 |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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16 # Parse `--scale` argument |
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f3c05a734dd1
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit b2acc1845a25828181597fe5b6982fe116a7796d
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17 if ',' in scale: |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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18 scale = [float(s.strip()) for s in scale.split(',')] |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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19 assert len(scale) <= im.ndim, f'Image has {im.ndim} axes, but scale factors were given for {len(scale)} axes.' |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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20 scale = scale + [1] * (im.ndim - len(scale)) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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21 |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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22 else: |
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f3c05a734dd1
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit b2acc1845a25828181597fe5b6982fe116a7796d
imgteam
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23 scale = float(scale) |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
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24 |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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25 # For images with 3 or more axes, the last axis is assumed to correspond to channels |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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26 if im.ndim >= 3: |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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27 scale = [scale] * (im.ndim - 1) + [1] |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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28 |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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29 # Do the scaling |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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30 res = skimage.transform.rescale(im, scale, order, anti_aliasing=antialias, preserve_range=True) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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31 |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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32 # Preserve the `dtype` so that both brightness and range of values is preserved |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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33 if res.dtype != im.dtype: |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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34 if np.issubdtype(im.dtype, np.integer): |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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35 res = res.round() |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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36 res = res.astype(im.dtype) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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37 |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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38 # Save result |
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f3c05a734dd1
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit b2acc1845a25828181597fe5b6982fe116a7796d
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39 skimage.io.imsave(output_file, res) |
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c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
parents:
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40 |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
parents:
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41 |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
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42 if __name__ == "__main__": |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
parents:
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43 parser = argparse.ArgumentParser() |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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44 parser.add_argument('input_file', type=argparse.FileType('r'), default=sys.stdin) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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45 parser.add_argument('out_file', type=argparse.FileType('w'), default=sys.stdin) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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46 parser.add_argument('--scale', type=str, required=True) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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47 parser.add_argument('--order', type=int, required=True) |
3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
imgteam
parents:
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48 parser.add_argument('--antialias', default=False, action='store_true') |
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c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
parents:
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49 args = parser.parse_args() |
c4c76f1ebad2
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/scale_image/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
imgteam
parents:
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50 |
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3179853faae9
planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/scale_image/ commit c045f067a57e8308308cf6329060c7ccd3fc372f
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51 scale_image(args.input_file.name, args.out_file.name, args.scale, args.order, args.antialias) |