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< h1 > Source code for dna_viewer.util.conversion< / h1 > < div class = "highlight" > < pre >
< span > < / span > < span class = "kn" > from< / span > < span class = "nn" > math< / span > < span class = "kn" > import< / span > < span class = "n" > pi< / span >
< span class = "kn" > from< / span > < span class = "nn" > ..config.units< / span > < span class = "kn" > import< / span > < span class = "n" > AngleUnit< / span > < span class = "p" > ,< / span > < span class = "n" > LinearUnit< / span >
< span class = "kn" > from< / span > < span class = "nn" > ..util.error< / span > < span class = "kn" > import< / span > < span class = "n" > DNAViewerError< / span >
< div class = "viewcode-block" id = "Conversion" > < a class = "viewcode-back" href = "../../../dna_viewer.util.html#dna_viewer.util.conversion.Conversion" > [docs]< / a > < span class = "k" > class< / span > < span class = "nc" > Conversion< / span > < span class = "p" > :< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > A utility class containing methods for converting and calculating units< / span >
< span class = "sd" > " " " < / span >
< div class = "viewcode-block" id = "Conversion.calculate_linear_modifier" > < a class = "viewcode-back" href = "../../../dna_viewer.util.html#dna_viewer.util.conversion.Conversion.calculate_linear_modifier" > [docs]< / a > < span class = "nd" > @staticmethod< / span >
< span class = "k" > def< / span > < span class = "nf" > calculate_linear_modifier< / span > < span class = "p" > (< / span >
< span class = "n" > unit< / span > < span class = "p" > :< / span > < span class = "n" > LinearUnit< / span > < span class = "p" > ,< / span > < span class = "n" > dna_unit< / span > < span class = "p" > :< / span > < span class = "n" > LinearUnit< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > float< / span > < span class = "p" > :< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > A method used for calculating the value (linear modifier) which the transforms will be multiplied with.< / span >
< span class = "sd" > If the chosen unit is not the same as the one from the DNA file a multiplier will be calculated. Otherwise it returns 1.< / span >
< span class = "sd" > @type unit: LinearUnit< / span >
< span class = "sd" > @param unit: Can be m (meter) and cm (centimeter).< / span >
< span class = "sd" > @type dna_unit: LinearUnit< / span >
< span class = "sd" > @param dna_unit: The linear unit specified in the DNA file (default value is None).< / span >
< span class = "sd" > @rtype: float< / span >
< span class = "sd" > @returns: A multiplier needed for conversion between different units.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > dna_unit< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "mi" > 1< / span >
< span class = "k" > if< / span > < span class = "n" > unit< / span > < span class = "o" > !=< / span > < span class = "n" > dna_unit< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > unit< / span > < span class = "o" > ==< / span > < span class = "n" > LinearUnit< / span > < span class = "o" > .< / span > < span class = "n" > m< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "mf" > 0.01< / span >
< span class = "k" > if< / span > < span class = "n" > unit< / span > < span class = "o" > ==< / span > < span class = "n" > LinearUnit< / span > < span class = "o" > .< / span > < span class = "n" > cm< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "mi" > 100< / span >
< span class = "k" > return< / span > < span class = "mi" > 1< / span > < / div >
< div class = "viewcode-block" id = "Conversion.calculate_angle_modifier" > < a class = "viewcode-back" href = "../../../dna_viewer.util.html#dna_viewer.util.conversion.Conversion.calculate_angle_modifier" > [docs]< / a > < span class = "nd" > @staticmethod< / span >
< span class = "k" > def< / span > < span class = "nf" > calculate_angle_modifier< / span > < span class = "p" > (< / span > < span class = "n" > unit< / span > < span class = "p" > :< / span > < span class = "n" > AngleUnit< / span > < span class = "p" > ,< / span > < span class = "n" > dna_unit< / span > < span class = "p" > :< / span > < span class = "n" > AngleUnit< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > float< / span > < span class = "p" > :< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > A method used for calculating the value (angle modifier) which the angles will be multiplied with. If the< / span >
< span class = "sd" > chosen unit is not the same as the one from the DNA file a multiplier will be calculated. Otherwise,< / span >
< span class = "sd" > it returns 1.< / span >
< span class = "sd" > @type unit: AngleUnit< / span >
< span class = "sd" > @param unit: Can be degree and radian.< / span >
< span class = "sd" > @type dna_unit: AngleUnit< / span >
< span class = "sd" > @param dna_unit: The angle unit specified in the DNA file (default value is None).< / span >
< span class = "sd" > @rtype: float< / span >
< span class = "sd" > @returns: A multiplier needed for conversion between different units.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > dna_unit< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "mi" > 1< / span >
< span class = "k" > if< / span > < span class = "n" > unit< / span > < span class = "o" > !=< / span > < span class = "n" > dna_unit< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > unit< / span > < span class = "o" > ==< / span > < span class = "n" > AngleUnit< / span > < span class = "o" > .< / span > < span class = "n" > degree< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "mi" > 180< / span > < span class = "o" > /< / span > < span class = "n" > pi< / span >
< span class = "k" > if< / span > < span class = "n" > unit< / span > < span class = "o" > ==< / span > < span class = "n" > AngleUnit< / span > < span class = "o" > .< / span > < span class = "n" > radian< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > pi< / span > < span class = "o" > /< / span > < span class = "mi" > 180< / span >
< span class = "k" > return< / span > < span class = "mi" > 1< / span > < / div >
< div class = "viewcode-block" id = "Conversion.get_linear_unit_from_int" > < a class = "viewcode-back" href = "../../../dna_viewer.util.html#dna_viewer.util.conversion.Conversion.get_linear_unit_from_int" > [docs]< / a > < span class = "nd" > @staticmethod< / span >
< span class = "k" > def< / span > < span class = "nf" > get_linear_unit_from_int< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "n" > LinearUnit< / span > < span class = "p" > :< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > Returns an enum from an int value.< / span >
< span class = "sd" > 0 -> cm< / span >
< span class = "sd" > 1 -> m< / span >
< span class = "sd" > @type value: int< / span >
< span class = "sd" > @param value: The value that the enum is mapped to.< / span >
< span class = "sd" > @rtype: LinearUnit< / span >
< span class = "sd" > @returns: LinearUnit.cm or LinearUnit.m< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > value< / span > < span class = "o" > ==< / span > < span class = "mi" > 0< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > LinearUnit< / span > < span class = "o" > .< / span > < span class = "n" > cm< / span >
< span class = "k" > if< / span > < span class = "n" > value< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > LinearUnit< / span > < span class = "o" > .< / span > < span class = "n" > m< / span >
< span class = "k" > raise< / span > < span class = "n" > DNAViewerError< / span > < span class = "p" > (< / span > < span class = "sa" > f< / span > < span class = "s2" > " Unknown linear unit set in DNA file! value < / span > < span class = "si" > {< / span > < span class = "n" > value< / span > < span class = "si" > }< / span > < span class = "s2" > " < / span > < span class = "p" > )< / span > < / div >
< div class = "viewcode-block" id = "Conversion.get_angle_unit_from_int" > < a class = "viewcode-back" href = "../../../dna_viewer.util.html#dna_viewer.util.conversion.Conversion.get_angle_unit_from_int" > [docs]< / a > < span class = "nd" > @staticmethod< / span >
< span class = "k" > def< / span > < span class = "nf" > get_angle_unit_from_int< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "n" > AngleUnit< / span > < span class = "p" > :< / span >
< span class = "sd" > " " " < / span >
< span class = "sd" > Returns an enum from an int value.< / span >
< span class = "sd" > 0 -> degree< / span >
< span class = "sd" > 1 -> radian< / span >
< span class = "sd" > @type value: int< / span >
< span class = "sd" > @param value: The value that the enum is mapped to.< / span >
< span class = "sd" > @rtype: AngleUnit< / span >
< span class = "sd" > @returns: AngleUnit.degree or AngleUnit.radian< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > value< / span > < span class = "o" > ==< / span > < span class = "mi" > 0< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > AngleUnit< / span > < span class = "o" > .< / span > < span class = "n" > degree< / span >
< span class = "k" > if< / span > < span class = "n" > value< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > AngleUnit< / span > < span class = "o" > .< / span > < span class = "n" > radian< / span >
< span class = "k" > raise< / span > < span class = "n" > DNAViewerError< / span > < span class = "p" > (< / span > < span class = "sa" > f< / span > < span class = "s2" > " Unknown angle unit set in DNA file! value < / span > < span class = "si" > {< / span > < span class = "n" > value< / span > < span class = "si" > }< / span > < span class = "s2" > " < / span > < span class = "p" > )< / span > < / div > < / div >
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