def test_HSV_RGB():
HSV = numpy.array([
[0, 1, 1],
[0, 1, 0.5], #reducing Value reduces intensity of primary gun
[0, 0.5, 0.5], #reducing Saturation increases intensity of other guns
[30, 1, 1],
[60, 1, 1],
[90, 1, 1],
[120, 1, 1],
[150, 1, 1],
[180, 1, 1],
[210, 1, 1],
[240, 1, 1],
[270, 1, 1],
[300, 1, 1],
[330, 1, 1],
[360, 1, 1]
])
expectedRGB = numpy.array([[1., -1., -1.], [0., -1., -1.],
[0., -0.5, -0.5], [1., 0., -1.], [1., 1., -1.],
[0., 1., -1.], [-1., 1., -1.], [-1., 1., 0.],
[-1., 1., 1.], [-1., 0., 1.], [-1., -1., 1.],
[0., -1., 1.], [1., -1., 1.], [1., -1., 0.],
[1., -1., -1.]])
RGB = hsv2rgb(HSV)
assert numpy.allclose(RGB, expectedRGB, 0.0001)
def test_HSV_RGB():
HSV=numpy.array([
[ 0, 1, 1],
[ 0, 1, 0.5],#reducing Value reduces intensity of primary gun
[ 0, 0.5, 0.5],#reducing Saturation increases intensity of other guns
[ 30, 1, 1],
[ 60, 1, 1],
[ 90, 1, 1],
[120, 1, 1],
[150, 1, 1],
[180, 1, 1],
[210, 1, 1],
[240, 1, 1],
[270, 1, 1],
[300, 1, 1],
[330, 1, 1],
[360, 1, 1]])
expectedRGB=numpy.array([
[ 1. , -1. , -1. ],
[ 0., -1. , -1. ],
[ 0., -0.5, -0.5],
[ 1. , 0., -1. ],
[ 1. , 1. , -1. ],
[ 0., 1. , -1. ],
[ -1. , 1. , -1. ],
[ -1. , 1. , 0.],
[ -1. , 1. , 1. ],
[ -1. , 0., 1. ],
[ -1. , -1. , 1. ],
[ 0., -1. , 1. ],
[ 1. , -1. , 1. ],
[ 1. , -1. , 0.],
[ 1. , -1. , -1. ]])
RGB = hsv2rgb(HSV)
assert numpy.allclose(RGB,expectedRGB,0.0001)
def hsv(self, color):
# Validate
color, space = self.validate(color=color, space='hsv')
if space != 'hsv':
setattr(self, space)
return
# Apply via rgba255
self.rgb = ct.hsv2rgb(color)
# Clear outdated values from cache
self._cache = {'hsv': color}
sizes=WHEELWIDTH,
elementMask='circle',
elementTex='none',
texRes=400,
phases=1)
'''
choose the color space
can either use
(1) colors differing in hue or
(2) draw a circle in lab color space
comment out line you don't want to use
'''
colors = hsv2rgb(
[[i, 1, .8] for i in range(360)]
) # creates 360 color values differing in hue and converts them to rgb [-1,1] format
# colors = LAB2RGB(L = 60, a = 20, b = 20, radius = 60) # uses function from extras.py to convert lab to rgb
# note that these colors won't be rendered exactly as intended if the monitor isn't calibrated properly
# see https://www.ncbi.nlm.nih.gov/pubmed/24715329
stim = [] # this loop creates 8 circle objects
for s in range(8):
stim.append(visual.Circle(win, radius=.5))
# or
#stim = [visual.Circle(win, radius=.5) for s in range(8)]
def circle_locs(radius, angles=None):
# function for defining locations on a circle with a certain radius at specific angles