def plot_colorspace_gamut(colorspace, color=None, draw_lines=True,
lines_color='black', fill=False,
upvp_conversion=False):
"""Plot colorspace primaries triangle
Args:
colorspace (utils.colorspace)
kwargs:
color (str): if none, 1st point--> red, 2nd --> green, 3rd -> blue
drawLines (bool): draw outline
fill (bool): fill triangle
upvp_coords (bool): if true, convert x,y values into u'v' values
"""
red_x, red_y = colorspace.get_red_primaries()
green_x, green_y = colorspace.get_green_primaries()
blue_x, blue_y = colorspace.get_blue_primaries()
if upvp_conversion:
red_x, red_y = coh.xy_to_upvp([red_x, red_y])
green_x, green_y = coh.xy_to_upvp([green_x, green_y])
blue_x, blue_y = coh.xy_to_upvp([blue_x, blue_y])
plot_triangle(np.array([red_x, green_x, blue_x]),
np.array([red_y, green_y, blue_y]),
color, draw_lines, lines_color, fill,
colorspace.__class__.__name__)
def plot_colorspace_gamut(colorspace, color=None, draw_lines=True,
lines_color='black', fill=False,
upvp_conversion=False):
"""Plot colorspace primaries triangle
Args:
colorspace (utils.colorspace)
kwargs:
color (str): if none, 1st point--> red, 2nd --> green, 3rd -> blue
drawLines (bool): draw outline
fill (bool): fill triangle
upvp_coords (bool): if true, convert x,y values into u'v' values
"""
red_x, red_y = colorspace.get_red_primaries()
green_x, green_y = colorspace.get_green_primaries()
blue_x, blue_y = colorspace.get_blue_primaries()
if upvp_conversion:
red_x, red_y = coh.xy_to_upvp([red_x, red_y])
green_x, green_y = coh.xy_to_upvp([green_x, green_y])
blue_x, blue_y = coh.xy_to_upvp([blue_x, blue_y])
plot_triangle(np.array([red_x, green_x, blue_x]),
np.array([red_y, green_y, blue_y]),
color, draw_lines, lines_color, fill,
colorspace.__class__.__name__)
def plot_spectrum_locus_76():
"""Plot CIE1976 spectrum locus
"""
# Load CIE 1931 data
x_list, y_list = load_xy_from_file(SPECTRUM_LOCUS_31)
up_list = []
vp_list = []
# Convert data from xy to u'v"
for x, y in zip(x_list, y_list):
up, vp = coh.xy_to_upvp([x, y])
up_list.append(up)
vp_list.append(vp)
up_list = np.array(up_list)
vp_list = np.array(vp_list)
# Plot resulting data
plot_spectrum_locus(up_list, vp_list, "spectrum locus CIE1976")
def plot_spectrum_locus_76():
"""Plot CIE1976 spectrum locus
"""
# Load CIE 1931 data
x_list, y_list = load_xy_from_file(SPECTRUM_LOCUS_31)
up_list = []
vp_list = []
# Convert data from xy to u'v"
for x, y in zip(x_list, y_list):
up, vp = coh.xy_to_upvp([x, y])
up_list.append(up)
vp_list.append(vp)
up_list = np.array(up_list)
vp_list = np.array(vp_list)
# Plot resulting data
plot_spectrum_locus(up_list, vp_list, "spectrum locus CIE1976")
