18 lines
500 B
Python
Executable File
18 lines
500 B
Python
Executable File
#!/usr/bin/env python3
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import sympy
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x = sympy.symbols('x')
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(rescaleSlope, rescaleIntercept) = sympy.symbols('rescaleSlope rescaleIntercept')
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(windowCenter, windowWidth) = sympy.symbols('windowCenter windowWidth')
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t1 = rescaleSlope * x + rescaleIntercept
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# Slide 19 of Session 8 of LSINC1114
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low = windowCenter - windowWidth / 2.0
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high = windowCenter + windowWidth / 2.0
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t2 = 255.0 * (t1 - low) / (high - low)
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print('MONOCHROME1:', sympy.expand(255 - t2))
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print('MONOCHROME2:', sympy.expand(t2))
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