python Library

showPointOnCIExy

This script reads color coordinates from a file of format:

#desc   Vl      CIEx    CIEy
point1	98765	0.291	0.288
point2	98765	0.315	0.330

And indicates these position on the CIE color horse shoe.

"""
Script to plot sets of color-points on top of CIE color horse shoe
"""
import  matplotlib.pyplot as  plt
import  numpy as  np
import  os
import  colour.plotting as  cplt
import  colour
import  readData2DictOfArrays as  rd


#==================================================#
def  pointOnCIE(x,y,color,legend):
    # https://scipython.com/blog/converting-a-spectrum-to-a-colour/
    # http://markkness.net/colorpy/ColorPy.html
       
    fig,axis = cplt.chromaticity_diagram_plot_CIE1931(cmfs='CIE 1931 2 Degree Standard Observer', show_diagram_colours=True, use_cached_diagram_colours=True)    

    axis.set_xlim(0,0.7)
    axis.set_ylim(0,0.7)
    for  i in range(len(c)):
        axis.scatter(x[i],y[i], color=color[i], marker='.', linewidths=0, edgecolors='black')

    

    #fig.legend(legend)
    fig.savefig('myCIE.png')
    print('view myCIE.png')


#==================================================#
if __name__ == "__main__":
    """
    myData.txt looks like:
    #desc   Vl      CIEx    CIEy
    myDat   98765   0.291   0.288
    """
    x = []
    y = []
    c = []
    l = []
    filename = "myData.txt"
    data = rd.readData2DictOfArrays(filename,"\t")
    x.append(data['CIEx'])
    y.append(data['CIEy'])
    c.append(" #ff0066")
    l.append("my data")
    pointOnCIE(x,y,c,l)

Index of Library

1	CIEcolorCoordinates_Spectrum.py
2	MatlabStructures.py
3	ModelicaExecution.py
4	ModelicaMatFilter.py
5	OperateAllFiles.py
6	dictionaryStatistics.py
7	familienKonto.py
8	makeDoc.py
9	plotTimeSeries.py
10	readData2DictOfArrays.py
11	replaceInFile.py
12	showPointOnCIExy.py
13	testNumpyMatrix.py
14	writeDictOfArrays.py
15	writeTSV.py

Der gesamte Sourcecode darf gemäß GNU General Public License weiterverbreitet werden.