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"""
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The GRAPHICS_MISC.py module gathers classes and/or functions useful for generation of plots.
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MODULES CALLED:
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NUMPY, OS
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MODIFICATION HISTORY:
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Created by Ing. Freddy Galindo (frederickgalindo@gmail.com). ROJ, 13 August 2009.
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"""
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import os
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import numpy
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import sys
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class ColorTable:
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def __init__(self,table=1,filepath=None):
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self.table = table
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#set to path for data folder, file: col_koki.dat
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if filepath==None:
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filepath= './data/'
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self.filepath = filepath
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def readTable(self):
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if self.table>0:
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if self.table==1:
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f = open(os.path.join(self.filepath,'col_koki.dat'),'rb')
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#f = open('./col_koki.dat','rb')
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# Reading SkyNoise Power (lineal scale)
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blue = numpy.fromfile(f,numpy.dtype([('var','b')]),256)
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blue = numpy.int32(blue['var'])
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val = numpy.where(blue<0)
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if val[0].size:blue[val] = blue[val] + numpy.int32(256)
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green = numpy.fromfile(f,numpy.dtype([('var','b')]),256)
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green = numpy.int32(green['var'])
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val = numpy.where(green<0)
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if val[0].size:green[val] = green[val] + numpy.int32(256)
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red = numpy.fromfile(f,numpy.dtype([('var','b')]),256)
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red = numpy.int32(red['var'])
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val = numpy.where(red<0)
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if val[0].size:red[val] = red[val] + numpy.int32(256)
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f.close()
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colortable = numpy.array([red/255.,green/255.,blue/255.])
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return colortable
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