def get_pitch_ranges_by_string_number(self, string_number):
r'''Gets tuning pitch ranges by string number.
.. container:: example
**Example 1.** Violin tuning:
::
>>> tuning = indicatortools.Tuning(('G3', 'D4', 'A4', 'E5'))
>>> string_number = indicatortools.StringNumber((2, 3))
>>> tuning.get_pitch_ranges_by_string_number(string_number)
(PitchRange(range_string='[A4, A6]'), PitchRange(range_string='[D4, D6]'))
Returns pitch ranges.
'''
from abjad.tools import indicatortools
string_number = indicatortools.StringNumber(string_number)
pitch_ranges = self.pitch_ranges
result = []
for number in string_number.numbers:
index = -number
pitch_range = pitch_ranges[index]
result.append(pitch_range)
return tuple(result)
def get_pitches_by_string_number(self, string_number):
r'''Gets tuning pitches by string number.
::
>>> tuning = indicatortools.Tuning(('G3', 'D4', 'A4', 'E5'))
>>> string_number = indicatortools.StringNumber((2, 3))
>>> tuning.get_pitches_by_string_number(string_number)
(NamedPitch("a'"), NamedPitch("d'"))
Returns named pitches.
'''
from abjad.tools import indicatortools
string_number = indicatortools.StringNumber(string_number)
result = []
for number in string_number.numbers:
index = -number
pitch = self.pitches[index]
result.append(pitch)
return tuple(result)