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DAMASK_EICMD
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interpolation method is now an attribute of the Colormap class; added classic "rainbow" colorscheme to predefined ones

This commit is contained in:
Christoph Kords 2013-05-28 20:15:13 +00:00
parent 65c5090378
commit fab0ea8e4e
1 changed files with 19 additions and 15 deletions
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34
lib/damask/colormaps.py
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@ -292,17 +292,19 @@ class Colormap():
__slots__ = [
'left',
'right',
'interpolate',
]
__predefined__ = {
'gray': [Color('HSL',[0,1,1]), Color('HSL',[0,0,0.15])],
'grey': [Color('HSL',[0,1,1]), Color('HSL',[0,0,0.15])],
'red': [Color('HSL',[0,1,0.14]), Color('HSL',[0,0.35,0.91])],
'green': [Color('HSL',[0.33333,1,0.14]), Color('HSL',[0.33333,0.35,0.91])],
'blue': [Color('HSL',[0.66,1,0.14]), Color('HSL',[0.66,0.35,0.91])],
'seaweed': [Color('HSL',[0.78,1.0,0.1]), Color('HSL',[0.40000,0.1,0.9])],
'bluebrown': [Color('HSL',[0.65,0.53,0.49]), Color('HSL',[0.11,0.75,0.38])],
'redgreen': [Color('HSL',[0.97,0.96,0.36]), Color('HSL',[0.33333,1.0,0.14])],
'bluered': [Color('HSL',[0.65,0.53,0.49]), Color('HSL',[0.97,0.96,0.36])],
'gray': {'left': Color('HSL',[0,1,1]), 'right': Color('HSL',[0,0,0.15]), 'interpolate': 'perceptualuniform'},
'grey': {'left': Color('HSL',[0,1,1]), 'right': Color('HSL',[0,0,0.15]), 'interpolate': 'perceptualuniform'},
'red': {'left': Color('HSL',[0,1,0.14]), 'right': Color('HSL',[0,0.35,0.91]), 'interpolate': 'perceptualuniform'},
'green': {'left': Color('HSL',[0.33333,1,0.14]), 'right': Color('HSL',[0.33333,0.35,0.91]), 'interpolate': 'perceptualuniform'},
'blue': {'left': Color('HSL',[0.66,1,0.14]), 'right': Color('HSL',[0.66,0.35,0.91]), 'interpolate': 'perceptualuniform'},
'seaweed': {'left': Color('HSL',[0.78,1.0,0.1]), 'right': Color('HSL',[0.40000,0.1,0.9]), 'interpolate': 'perceptualuniform'},
'bluebrown': {'left': Color('HSL',[0.65,0.53,0.49]), 'right': Color('HSL',[0.11,0.75,0.38]), 'interpolate': 'perceptualuniform'},
'redgreen': {'left': Color('HSL',[0.97,0.96,0.36]), 'right': Color('HSL',[0.33333,1.0,0.14]), 'interpolate': 'perceptualuniform'},
'bluered': {'left': Color('HSL',[0.65,0.53,0.49]), 'right': Color('HSL',[0.97,0.96,0.36]), 'interpolate': 'perceptualuniform'},
'blueredrainbow':{'left': Color('HSL',[2.0/3.0,1,0.5]), 'right': Color('HSL',[0,1,0.5]), 'interpolate': 'linear' },
}
@ -310,6 +312,7 @@ class Colormap():
def __init__(self,
left = Color('RGB',[1,1,1]),
right = Color('RGB',[0,0,0]),
interpolate = 'perceptualuniform',
):
if left.__class__.__name__ != 'Color':
@ -319,6 +322,7 @@ class Colormap():
self.left = left
self.right = right
self.interpolate = interpolate
# ------------------------------------------------------------------
@ -333,8 +337,9 @@ class Colormap():
def usePredefined(self,name='bluered'):
if name.lower() not in self.__predefined__:
raise KeyError('colormap "%s" is not defined, use one of "%s"'%(name,'" "'.join(self.__predefined__.keys())))
self.left = self.__predefined__[name.lower()][0]
self.right= self.__predefined__[name.lower()][1]
self.left = self.__predefined__[name.lower()]['left']
self.right= self.__predefined__[name.lower()]['right']
self.interpolate = self.__predefined__[name.lower()]['interpolate']
return self
@ -343,8 +348,7 @@ class Colormap():
format = 'paraview',\
steps = 10,\
crop = [-1.0,1.0],
model = 'RGB',
interpolate = 'perceptualuniform'):
model = 'RGB'):
'''
[RGB] colormap for use in paraview or gmsh, or as raw string, or array.
arguments: name, format, steps, crop.
@ -417,9 +421,9 @@ class Colormap():
totalSteps = int(2.0*steps/(crop[1] - crop[0]))
for i in range(totalSteps):
if interpolate == 'perceptualuniform':
if self.interpolate == 'perceptualuniform':
color = interpolate_Msh(self.left.expressAs('MSH').color,self.right.expressAs('MSH').color,float(i)/(totalSteps-1),model)
elif interpolate == 'linear':
elif self.interpolate == 'linear':
color = linearInterpolate(self.left,self.right,float(i)/(totalSteps-1),model)
else:
raise NameError('unknown interpolation method')