def do_imread(*data, **kwargs):
""" Returns image file as array. """
# Check to see if the data given is either a file path or a file object
if isinstance(data[0], six.string_types) or isinstance(data[0], io.IOBase):
return ImageData.fromfile(data[0])
else:
raise ValueError("do_imread takes a string filename")
def get_image_from_file():
import os.path
filename = os.path.join('..', '..', 'demo', 'basic', 'capitol.jpg')
image_source = ImageData.fromfile(filename)
w, h = image_source.get_width(), image_source.get_height()
index = GridDataSource(np.arange(w), np.arange(h))
index_mapper = GridMapper(
range=DataRange2D(low=(0, 0), high=(w - 1, h - 1)))
image_plot = ImagePlot(index=index,
value=image_source,
index_mapper=index_mapper,
origin='top left',
**PLOT_DEFAULTS)
add_axes(image_plot, x_label='x', y_label='y')
return image_plot
def get_image_from_file():
import os.path
filename = os.path.join('..', '..', '..',
'demo','basic','capitol.jpg')
image_source = ImageData.fromfile(filename)
w, h = image_source.get_width(), image_source.get_height()
index = GridDataSource(np.arange(w), np.arange(h))
index_mapper = GridMapper(range=DataRange2D(low=(0, 0),
high=(w-1, h-1)))
image_plot = ImagePlot(
index=index,
value=image_source,
index_mapper=index_mapper,
origin='top left',
**PLOT_DEFAULTS
)
add_axes(image_plot, x_label='x', y_label='y')
return image_plot