Files
scikit-image/skimage/viewer/plugins/canny.py
T
Tony S Yu f47312a3d1 API Change: Attach ImageViewer to Plugin after init.
Plugin is now added to the viewer using an inplace add on the viewer instead of on initialization of the plugin. This change means that operations requiring the viewer must be delayed until attach operation.
2012-07-23 00:12:21 -04:00

29 lines
945 B
Python

from skimage.filter import canny
from .overlayplugin import OverlayPlugin
from ..widgets import Slider, ComboBox
class CannyPlugin(OverlayPlugin):
name = 'Canny Filter'
def __init__(self, *args, **kwargs):
kwargs.setdefault('height', 100)
kwargs.setdefault('width', 400)
super(CannyPlugin, self).__init__(**kwargs)
self.add_widget(Slider('sigma', 0, 5, update_on='release'))
self.add_widget(Slider('low threshold', 0, 255, update_on='release'))
self.add_widget(Slider('high threshold', 0, 255, update_on='release'))
self.add_widget(ComboBox('color', self.color_names, ptype='plugin'))
def attach(self, image_viewer):
super(CannyPlugin, self).attach(image_viewer)
# Update image overlay to default slider values.
self.filter_image()
def image_filter(self, *args, **kwargs):
image = canny(*args, **kwargs)
self.overlay = image