73 lines
3.3 KiB
Python
Executable File
73 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python2.7
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# -*- coding: UTF-8 no BOM -*-
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import sys,os
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import damask
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from optparse import OptionParser
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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#Borland, D., & Taylor, R. M. (2007). Rainbow Color Map (Still) Considered Harmful. Computer Graphics and Applications, IEEE, 27(2), 14--17.
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#Moreland, K. (2009). Diverging Color Maps for Scientific Visualization. In Proc. 5th Int. Symp. Visual Computing (pp. 92--103).
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outtypes = ['paraview','gmsh','raw','GOM']
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extensions = ['.json','.msh','.txt','.legend']
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colormodels = ['RGB','HSL','XYZ','CIELAB','MSH']
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Produces perceptually linear diverging and sequential colormaps in formats suitable for visualization software
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or simply as a list of interpolated colors.
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""", version = scriptID)
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parser.add_option('-N','--steps', dest='N', type='int', nargs=1, metavar='int',
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help='number of interpolation steps [%default]')
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parser.add_option('-t','--trim', dest='trim', type='float', nargs=2, metavar='float float',
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help='relative trim of colormap range [%default]')
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parser.add_option('-l','--left', dest='left', type='float', nargs=3, metavar='float float float',
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help='left color [%default]')
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parser.add_option('-r','--right', dest='right', type='float', nargs=3, metavar='float float float',
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help='right color [%default]')
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parser.add_option('-c','--colormodel', dest='colormodel', metavar='string',
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help='colormodel: '+', '.join(colormodels)+' [%default]')
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parser.add_option('-p','--predefined', dest='predefined', metavar='string',
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help='predefined colormap')
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parser.add_option('-f','--format', dest='format', metavar='string',
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help='output format: '+', '.join(outtypes)+' [%default]')
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parser.set_defaults(colormodel = 'RGB')
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parser.set_defaults(predefined = None)
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parser.set_defaults(basename = None)
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parser.set_defaults(format = 'paraview')
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parser.set_defaults(N = 10)
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parser.set_defaults(trim = (-1.0,1.0))
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parser.set_defaults(left = (1.0,1.0,1.0))
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parser.set_defaults(right = (0.0,0.0,0.0))
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(options,filename) = parser.parse_args()
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if options.format not in outtypes:
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parser.error('invalid format: "{}" (choices: {}).'.format(options.format,', '.join(outtypes)))
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if options.N < 2:
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parser.error('too few steps (need at least 2).')
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if options.trim[0] < -1.0 or \
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options.trim[1] > 1.0 or \
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options.trim[0] >= options.trim[1]:
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parser.error('invalid trim range (-1 +1).')
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name = options.format if filename == [] \
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else filename[0]
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output = sys.stdout if filename == [] \
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else open(os.path.basename(filename[0])+extensions[outtypes.index(options.format)],'w')
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colorLeft = damask.Color(options.colormodel.upper(), list(options.left))
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colorRight = damask.Color(options.colormodel.upper(), list(options.right))
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colormap = damask.Colormap(colorLeft, colorRight, predefined=options.predefined)
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output.write(colormap.export(name,options.format,options.N,list(options.trim)))
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output.close()
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