def init_piano(self):
keymap_filename = 'pianoeletronico.kmp'
notes_manager = NotesManager()
notes_manager.load_file(util.app_file_path(os.path.join('keymaps', keymap_filename)))
self.midi = midi.Midi()
self.midi_output = midi.Output(self.midi.get_default_output_id(), 0)
self.piano = Piano(notes_manager, self.midi_output)
self.piano.set_instrument(0, 0)
def _output_device_fired(self):
if self.midi_input is not None:
self.midi_output.close()
self.midi_output = midi.Output(self.output_device[0])
self.push_current_values()
class Controls(HasTraits):
if len(inputs) == 1:
default_input = inputs
for i in inputs:
if not "Through Port" in i[1]:
default_input = i
break
default_input = default_input if len(inputs) > 0 else None
default_output = -1
for i in outputs:
if not "Through Port" in i[1]:
default_output = i
break
else:
through_port_output = i
default_output = default_output if len(
outputs) > 1 else through_port_output
input_device = List(value=default_input,
editor=CheckListEditor(values=inputs))
output_device = List(value=default_output,
editor=CheckListEditor(values=outputs))
max_temp = 2.
min_temp = 0.5
max_press = 10.
min_press = 5e-4
max_vol = 100000.
min_vol = 50.
max_n = 1000
min_n = 50
temperature = Range(
min_temp,
max_temp,
1.,
)
volume = Float(box_l**3.)
pressure = Float(1.)
number_of_particles = Range(
min_n,
max_n,
n_part,
)
ensemble = Enum('NVT', 'NPT')
midi_input = midi.Input(inputs[0][0]) if len(inputs) > 1 else None
midi_output = midi.Output(outputs[0][0]) if len(outputs) > 1 else None
MIDI_BASE = 224
MIDI_NUM_TEMPERATURE = MIDI_BASE + 0
MIDI_NUM_VOLUME = MIDI_BASE + 1
MIDI_NUM_PRESSURE = MIDI_BASE + 2
MIDI_NUM_NUMBEROFPARTICLES = MIDI_BASE + 3
MIDI_ROTATE = 0
MIDI_ZOOM = 176
_ui = Any
view = View(Group(Item('temperature',
editor=RangeEditor(low_name='min_temp',
high_name='max_temp')),
Item('volume',
editor=RangeEditor(low_name='min_vol',
high_name='max_vol')),
Item('pressure',
editor=RangeEditor(low_name='min_press',
high_name='max_press')),
Item('number_of_particles',
editor=RangeEditor(low_name='min_n',
high_name='max_n',
is_float=False)),
Item('ensemble', style='custom'),
show_labels=True,
label='Parameters'),
Group(Item('input_device'),
Item('output_device'),
show_labels=True,
label='MIDI devices'),
buttons=[],
title='Control')
def __init__(self, **traits):
super(Controls, self).__init__(**traits)
self._ui = self.edit_traits()
self.push_current_values()
def push_current_values(self):
"""send the current values to the MIDI controller"""
self._temperature_fired()
self._volume_fired()
self._pressure_fired()
self._number_of_particles_fired()
self._ensemble_fired()
def _input_device_fired(self):
if self.midi_input is not None:
self.midi_input.close()
self.midi_input = midi.Input(self.input_device[0])
def _output_device_fired(self):
if self.midi_input is not None:
self.midi_output.close()
self.midi_output = midi.Output(self.output_device[0])
self.push_current_values()
def _temperature_fired(self):
status = self.MIDI_NUM_TEMPERATURE
data1 = int((self.temperature - self.min_temp) /
(self.max_temp - self.min_temp) * 127)
data2 = data1
if self.midi_output is not None:
self.midi_output.write_short(status, data1, data2)
def _volume_fired(self):
status = self.MIDI_NUM_VOLUME
data1 = limit_range(int((system.box_l[0]**3. - self.min_vol) /
(self.max_vol - self.min_vol) * 127),
minval=0,
maxval=127)
data2 = data1
if self.midi_output is not None:
self.midi_output.write_short(status, data1, data2)
def _pressure_fired(self):
status = self.MIDI_NUM_PRESSURE
if pressure_log_flag:
data1 = limit_range(int(
127 * (numpy.log(self.pressure) - numpy.log(self.min_press)) /
(numpy.log(self.max_press) - numpy.log(self.min_press))),
minval=0,
maxval=127)
else:
data1 = limit_range(int((self.pressure - self.min_press) /
(self.max_press - self.min_press) * 127),
minval=0,
maxval=127)
data2 = data1
if self.midi_output is not None:
self.midi_output.write_short(status, data1, data2)
def _number_of_particles_fired(self):
status = self.MIDI_NUM_NUMBEROFPARTICLES
data1 = int(self.number_of_particles / self.max_n * 127)
data2 = data1
if self.midi_output is not None:
self.midi_output.write_short(status, data1, data2)
def _ensemble_fired(self):
self.midi_output.write_short(144, 0, 127) # T
self.midi_output.write_short(144, 1,
127 * (self.ensemble != 'NPT')) # V
self.midi_output.write_short(144, 2,
127 * (self.ensemble == 'NPT')) # P
self.midi_output.write_short(144, 3, 127) # N
