import matplotlib.colors as mcolors
[docs]def get_color_palettes():
"""
Returns color palettes for eccentricity and polar angle mappings.
Returns:
dict: Dictionary containing eccentricity and polar palettes in various formats
"""
# Eccentricity palette RGB values (0-255)
ecc_rgb_values = [
[255, 40, 0], # Red
[255, 130, 0], # Orange-red
[255, 210, 0], # Orange-yellow
[255, 255, 0], # Yellow
[115, 255, 0], # Yellow-green
[31, 255, 0], # Green
[0, 255, 207], # Turquoise
[0, 231, 255], # Cyan
[20, 140, 255], # Light blue
[40, 60, 255] # Blue
]
# Polar palette RGB values (0-255)
polar_rgb_values = [
[106, 189, 69], # Color1
[203, 219, 42], # Color2
[254, 205, 8], # Color3
[242, 104, 34], # Color4
[237, 32, 36], # Color5
[237, 32, 36], # Color6
[242, 104, 34], # Color7
[254, 205, 8], # Color8
[203, 219, 42], # Color9
[106, 189, 69], # Color10
[106, 189, 69], # Color11
[110, 205, 221], # Color12
[50, 178, 219], # Color13
[62, 105, 179], # Color14
[57, 84, 165], # Color15
[57, 84, 165], # Color16
[62, 105, 179], # Color17
[50, 178, 219], # Color18
[110, 205, 221], # Color19
[106, 189, 69] # Color20
]
def create_palette_formats(rgb_values):
"""Helper function to create different palette formats."""
# Normalize to 0-1 range for matplotlib
norm_values = [[r/255, g/255, b/255] for r, g, b in rgb_values]
# Create hex values for other libraries
hex_values = [mcolors.rgb2hex(rgb) for rgb in norm_values]
# Create named colors with format for easy access
named_colors = {f"color{i+1}": hex_values[i] for i in range(len(hex_values))}
return {
"rgb_0_255": rgb_values, # Original RGB (0-255)
"rgb_0_1": norm_values, # Normalized RGB (0-1)
"hex": hex_values, # Hex color codes
"named": named_colors, # Named colors
"matplotlib_cmap": mcolors.LinearSegmentedColormap.from_list("custom_cmap", norm_values) # Matplotlib colormap
}
# Create palettes
eccentricity_palette = create_palette_formats(ecc_rgb_values)
polar_palette = create_palette_formats(polar_rgb_values)
return {
"eccentricity": eccentricity_palette,
"polar": polar_palette
}
