Isogonal Mapping
المؤلف:
Churchill, R. V. and Brown, J. W
المصدر:
Complex Variables and Applications, 5th ed. New York: McGraw-Hill, 1990.
الجزء والصفحة:
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1-11-2018
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Isogonal Mapping
An isogonal mapping is a transformation 
that preserves the magnitudes of local angles, but not their orientation. A few examples are illustrated above.
A conformal mapping is an isogonal mapping that also preserves the orientations of local angles. If 
is a conformal mapping, then 
is isogonal but not conformal. This is due to the fact that complex conjugation is not an analytic function.
REFERENCES:
Churchill, R. V. and Brown, J. W. Complex Variables and Applications, 5th ed. New York: McGraw-Hill, 1990.
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