def get_omero_metadata(image: ImageWrapper) -> Dict:
"""Get metadata from OMERO as a Dict to pass to napari."""
channels = image.getChannels()
colors = []
for ch in channels:
# use current rendering settings from OMERO
color = ch.getColor().getRGB()
color = [r / 256 for r in color]
colors.append(Colormap([[0, 0, 0], color]))
contrast_limits = [[ch.getWindowStart(),
ch.getWindowEnd()] for ch in channels]
visibles = [ch.isActive() for ch in channels]
names = [ch.getLabel() for ch in channels]
scale = None
# Setting z-scale causes issues with Z-slider.
# See https://github.com/tlambert03/napari-omero/pull/15
# if image.getSizeZ() > 1:
# size_x = image.getPixelSizeX()
# size_z = image.getPixelSizeZ()
# if size_x is not None and size_z is not None:
# scale = [1, size_z / size_x, 1, 1]
return {
'channel_axis': 1,
'colormap': colors,
'contrast_limits': contrast_limits,
'name': names,
'visible': visibles,
'scale': scale,
}
def load_image_wrapper(image: ImageWrapper) -> List[LayerData]:
return [
load_omero_channel(image, channel, c)
for c, channel in enumerate(image.getChannels())
]