#!/usr/bin/env python
import ubelt as ub
import scriptconfig as scfg
[docs]class CocoShowCLI:
[docs] class CLIConfig(scfg.Config):
"""
Visualize a COCO image using matplotlib or opencv, optionally writing
it to disk
"""
[docs] epilog = """
Example Usage:
kwcoco show --help
kwcoco show --src=special:shapes8 --gid=1
kwcoco show --src=special:shapes8 --gid=1 --dst out.png
"""
[docs] default = {
'src': scfg.Value(None, help=(
'Path to the coco dataset'), position=1),
'gid': scfg.Value(None, help=(
'Image id to show, if unspecified the first image is shown')),
'aid': scfg.Value(None, help=(
'Annotation id to show, mutually exclusive with gid')),
'dst': scfg.Value(None, help=(
'Save the image to the specified file. '
'If unspecified, the image is shown with pyplot')),
'mode': scfg.Value(
'matplotlib', choices=['matplotlib', 'opencv'],
help='method used to draw the image'
),
'channels': scfg.Value(
None, type=str, help=ub.paragraph(
'''
By default uses the default channels (usually this is rgb),
otherwise specify the name of an auxiliary channels
''')
),
'show_annots': scfg.Value(True, help=(
'Overlay annotations on dispaly')),
'show_labels': scfg.Value(False, help=(
'Overlay labels on annotations')),
}
@classmethod
[docs] def main(cls, cmdline=True, **kw):
"""
TODO:
- [ ] Visualize auxiliary data
Example:
>>> # xdoctest: +SKIP
>>> kw = {'src': 'special:shapes8'}
>>> cmdline = False
>>> cls = CocoShowCLI
>>> cls.main(cmdline, **kw)
"""
import kwcoco
import kwimage
import kwplot
config = cls.CLIConfig(kw, cmdline=cmdline)
print('config = {}'.format(ub.repr2(dict(config), nl=1)))
if config['src'] is None:
raise Exception('must specify source: {}'.format(config['src']))
dset = kwcoco.CocoDataset.coerce(config['src'])
print('dset.fpath = {!r}'.format(dset.fpath))
plt = kwplot.autoplt()
gid = config['gid']
aid = config['aid']
out_fpath = config['dst']
if gid is None and aid is None:
gid = ub.peek(dset.imgs)
if config['mode'] == 'matplotlib':
show_kw = {
'show_annots': config['show_annots'],
'show_labels': config['show_labels'],
'channels': config['channels'],
}
if config['show_annots'] == 'both':
show_kw.pop('show_annots')
show_kw['title'] = ''
ax = dset.show_image(gid=gid, aid=aid, pnum=(1, 2, 1),
show_annots=False, **show_kw)
ax = dset.show_image(gid=gid, aid=aid, pnum=(1, 2, 2),
show_annots=True, **show_kw)
else:
ax = dset.show_image(gid=gid, aid=aid, **show_kw)
if out_fpath is None:
if 1:
try:
import xdev
except Exception:
pass
else:
gids = [gid] + list(set(dset.imgs.keys()) - {gid})
for gid in xdev.InteractiveIter(gids):
ax = dset.show_image(gid=gid, aid=aid, **show_kw)
xdev.InteractiveIter.draw()
plt.show(block=False)
plt.show()
else:
ax.figure.savefig(out_fpath)
elif config['mode'] == 'opencv':
canvas = dset.draw_image(gid, channels=config['channels'])
if out_fpath is None:
kwplot.imshow(canvas)
plt.show()
else:
kwimage.imwrite(out_fpath, canvas)
else:
raise KeyError(config['mode'])
if __name__ == '__main__':
"""
CommandLine:
python -m kwcoco.cli.coco_show --src=special:shapes8 --gid=1
python -m kwcoco.cli.coco_show --src=special:shapes8 --gid=1
python -m kwcoco.cli.coco_show --src=special:shapes8 --gid=1 --dst out.png
"""
_CLI.main()