def test_ui_disk_2d():
window_size = (700, 700)
show_manager = window.ShowManager(size=window_size)
disk = ui.Disk2D(outer_radius=20, inner_radius=5)
disk.position = (50, 80)
npt.assert_equal(disk.position, (50, 80))
disk.color = (1, 0.5, 0)
npt.assert_equal(disk.color, (1, 0.5, 0))
disk.opacity = 0.5
npt.assert_equal(disk.opacity, 0.5)
# Check the rectangle is drawn at right place.
show_manager.scene.add(disk)
# Uncomment this to start the visualisation
# show_manager.start()
colors = [disk.color]
arr = window.snapshot(show_manager.scene, size=window_size, offscreen=True)
report = window.analyze_snapshot(arr, colors=colors)
npt.assert_equal(report.objects, 1)
# Should be False because of the offscreen
npt.assert_equal(report.colors_found, [False])
# Test visibility off.
disk.set_visibility(False)
arr = window.snapshot(show_manager.scene, size=window_size, offscreen=True)
report = window.analyze_snapshot(arr)
npt.assert_equal(report.objects, 0)
from fury.data import fetch_viz_icons
##############################################################################
# First we need to fetch some icons that are included in FURY.
fetch_viz_icons()
###############################################################################
# Let's draw some simple shapes. First, a rectangle.
rect = ui.Rectangle2D(size=(100, 100), position=(400, 400), color=(1, 0, 1))
###############################################################################
# Then we can draw a solid circle, or disk.
disk = ui.Disk2D(outer_radius=50, center=(400, 200), color=(1, 1, 0))
###############################################################################
# Add an inner radius to make a ring.
ring = ui.Disk2D(outer_radius=50, inner_radius=45,
center=(500, 600), color=(0, 1, 1))
###############################################################################
# Now that all the elements have been initialised, we add them to the show
# manager.
current_size = (800, 800)
show_manager = window.ShowManager(size=current_size,
title="FURY Shapes Example")