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ArchitectureAnalysis.py
419 lines (320 loc) · 18.3 KB
/
ArchitectureAnalysis.py
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# -*- coding: utf-8 -*-
"""
Created on Fri Mar 10 16:38:35 2023
@author: andrew
"""
import json
import itertools
finger_names = ['None', 'Index', 'Middle', 'Ring', 'Pinky', 'Barre']
primary_fingers = [1,2]
secondary_fingers = [3,4]
class AnalysisConfig(object):
def __init__(self):
self.min_accessible_string = [1,1,1,1,1,1] #indexed by finger actuator
self.max_accessible_string = [6,6,6,6,6,6] #indexed by finger actuator
self.min_adjacent_strings = [6,1,1,1,1,1] #indexed by finger actuator
self.max_adjacent_strings = [6,1,1,1,1,6] #indexed by finger actuator
self.max_accessible_fret = [0,20,20,20,20,0]
self.body_fret_offset = [0,0,0,0,0,0] #the body of the finger is offset this many frets, blocking notes on adjacent frets
self.allow_barre_crossing = False
self.force_primary_low = 0
self.force_primary_spacing = 0
class BarreConfig(AnalysisConfig):
def __init__(self):
super().__init__()
self.min_adjacent_strings = [6,1,1,1,1,4] #indexed by finger actuator
self.max_adjacent_strings = [6,2,2,1,1,6] #indexed by finger actuator
self.max_accessible_fret = [0,16,16,20,20,16]
class OverlapConfig(AnalysisConfig):
def __init__(self):
super().__init__()
self.min_adjacent_strings = [6,1,1,1,1,6] #indexed by finger actuator
self.max_adjacent_strings = [6,2,2,1,1,6] #indexed by finger actuator
self.max_accessible_fret = [0,16,16,20,20,16]
self.body_fret_offset = [0,0,1,0,1,0] #the body of the finger is offset this many frets, blocking notes on adjacent frets
class ReachConfig(AnalysisConfig):
def __init__(self):
super().__init__()
self.min_adjacent_strings = [6,1,1,1,1,6] #indexed by finger actuator
self.max_adjacent_strings = [6,2,2,1,1,6] #indexed by finger actuator
self.max_accessible_fret = [0,16,16,20,20,16]
self.body_fret_offset = [0,0,1,0,1,0] #the body of the finger is offset this many frets, blocking notes on adjacent frets
self.force_primary_low = 1
self.force_primary_spacing = 1
# start string must be less than end string
#returns true if fretting all strings between start and end at fret will not interfere with other frets
def can_barre(fret, start_string, end_string, string_map):
#print(f" Checking for bar on {fret} [{start_string},{end_string}]")
if end_string >= start_string: return False
for string in range(start_string,end_string+1):
if string in string_map and string_map[string] < fret: return False
return True
def get_barre_zone(fret, string, string_map):
upper_string = string
while upper_string < 6 and (not((upper_string+1) in string_map) or string_map[upper_string+1] >= fret):
upper_string += 1
lower_string = string
while lower_string > 1 and (not((lower_string-1) in string_map) or string_map[lower_string-1] >= fret):
lower_string -= 1
return (upper_string, lower_string)
def yield_barres_of_fret(fret, string_map, fret_map):
for barre_zone in list(set([get_barre_zone(fret, string, string_map) for string in fret_map[fret]])):
#print(f"BARRE ZONE f{fret} {barre_zone}")
if barre_zone[0] == barre_zone[1]:
continue
for end_string in range(barre_zone[1],barre_zone[0]):
for start_string in range(end_string+1,barre_zone[0]+1):
for string in fret_map[fret]:
if string <= start_string and string >= end_string:
#print(f" SUB ZONE f{fret} {(start_string, end_string)}")
yield (start_string,end_string)
break;
def yield_fret_groupings_of_fret(fret, string_map, fret_map):
yield [(fret,string,string) for string in fret_map[fret]] #default case - no barres
for barre_start,barre_end in yield_barres_of_fret(fret, string_map, fret_map):
yield [(fret,string,string) for string in fret_map[fret] if (string > barre_start or string < barre_end)] + [(fret, barre_start, barre_end)]
def yield_fret_grouping_cases_recursive(i_fret, string_map, fret_map):
if i_fret >= len(fret_map.keys()):
yield []
return
if list(fret_map.keys())[i_fret] == 0:
i_fret = i_fret + 1
if i_fret >= len(fret_map.keys()):
yield []
return
#print(f" Evaluating Fret Groupings on i{i_fret} (#{list(fret_map.keys())[i_fret]})")
this_fret_groupings = list(yield_fret_groupings_of_fret(list(fret_map.keys())[i_fret], string_map, fret_map))
#print(f" This Fret Groupings{this_fret_groupings}")
partial_fret_groupings = list(yield_fret_grouping_cases_recursive(i_fret+1, string_map, fret_map))
for this_fret_grouping in this_fret_groupings:
for partial_fret_grouping in partial_fret_groupings:
#print(f" YIELD @{i_fret} {this_fret_grouping} AND {partial_fret_grouping}")
yield this_fret_grouping + partial_fret_grouping
# returns all potential fingers of the supplied fret groupings (fret, stringstart, stringend) by putting them in a dict with finger as key
def yield_fret_grouping_fingerings_recursive(fret_groupings, fingers):
num_fret_groupings = len(fret_groupings)
if num_fret_groupings > len(fingers)-1:
return
for finger_orders in itertools.permutations(fingers, num_fret_groupings):
yield {finger_orders[i]:fret_groupings[i] for i in range(num_fret_groupings)}
def is_valid_base_fingering(fingering, positions):
if 1 in fingering and 2 in fingering and fingering[1][0] > fingering[2][0]:
#print(f" ! Failed because index finger (#1) is at a higher fret {fingering[1][0]} than the middle finger (#2) {fingering[2][0]}")
return False
if 3 in fingering and 4 in fingering and fingering[3][0] > fingering[4][0]:
#print(f" ! Failed because ring finger (#3) is at a higher fret {fingering[3][0]} than the pinky finger (#4) {fingering[4][0]}")
return False
if 5 in fingering:
for finger in fingering:
if finger != 5 and fingering[finger][0] == fingering[5][0]:
#print(f" ! Failed because barre finger (#5) is at the same fret {fingering[5][0]} as the {finger_names[finger]} finger (#{finger}) {fingering[finger][0]}")
return False
return True
def is_valid_fingering(fingering, positions, config):
#print(f" Evaluating Fingering for Position {positions}: {fingering}")
for secondary_finger in secondary_fingers:
if secondary_finger in fingering:
blocked_fret = fingering[secondary_finger][0]+config.body_fret_offset[secondary_finger]
for finger in fingering:
if finger != secondary_finger and fingering[finger][0] == blocked_fret and fingering[finger][2] < fingering[secondary_finger][1]:
return False
if 1 in fingering and 2 in fingering and fingering[1][0] == fingering[2][0]:
if config.body_fret_offset[1] == config.body_fret_offset[2]:
return False
spacing = 6
if fingering[1][2] > fingering[2][1]: #index finger is on a lower string
if config.force_primary_low == 2:
return False
spacing = fingering[1][2] - fingering[2][1] - 1
elif fingering[1][1] < fingering[2][2]: #index finger is on a higher string
if config.force_primary_low == 1:
return False
spacing = fingering[2][2] - fingering[1][1] - 1
else: #the fingers overlap! probably should have caught this sooner...
return False
if spacing < config.force_primary_spacing:
return False
for finger in fingering:
if fingering[finger][0] > config.max_accessible_fret[finger]:
return False
if fingering[finger][1] > config.max_accessible_string[finger]:
return False
if fingering[finger][2] < config.min_accessible_string[finger]:
return False
if (fingering[finger][1] - fingering[finger][2]+1) > config.max_adjacent_strings[finger]:
return False
if (fingering[finger][1] - fingering[finger][2]+1) < config.min_adjacent_strings[finger]:
return False
return True
# generator that returns every possible fingering for the given position given the finger actuator constraints
def yield_fingerings(positions):
#print(f"Position: {positions}")
string_map = {6-i:int(p) for i,p in enumerate(positions) if p.isnumeric()} #keys are only those strings being played (#6 -> #1), val is fret of string
distinct_frets = list(set((int(p) for p in positions if p.isnumeric())))
fret_map = {fret: [6-i for i, p in enumerate(positions) if p == str(fret)] for fret in distinct_frets} #keys are only those frets being used (#0->?), val are strings held at fret
all_potential_fret_groupings = list(yield_fret_grouping_cases_recursive(0, string_map, fret_map))
for fret_groupings in all_potential_fret_groupings:
#print(f" Potential Fret Grouping: {fret_groupings}")
for fingering in yield_fret_grouping_fingerings_recursive(fret_groupings,range(1,len(finger_names))):
if is_valid_base_fingering(fingering, positions):
yield fingering
chords_file = open("chords.json")
chords_json = json.load(chords_file)
chords_file.close()
barre_configs = dict()
barre_configs['barre4_pointer2'] = BarreConfig()
barre_configs['barre4_pointer2_pinkyL'] = BarreConfig()
barre_configs['barre4_pointer2_pinkyL'].body_fret_offset[4] = 1
barre_configs['barre4_pointer2_middleL'] = BarreConfig()
barre_configs['barre4_pointer2_middleL'].body_fret_offset[2] = 1
barre_configs['barre4_pointer2_middleL_pinkyL'] = BarreConfig()
barre_configs['barre4_pointer2_middleL_pinkyL'].body_fret_offset[4] = 1
barre_configs['barre4_pointer2_middleL_pinkyL'].body_fret_offset[2] = 1
barre_configs['barre5_pointer2_middleL_pinkyL'] = BarreConfig()
barre_configs['barre5_pointer2_middleL_pinkyL'].body_fret_offset[4] = 1
barre_configs['barre5_pointer2_middleL_pinkyL'].body_fret_offset[2] = 1
barre_configs['barre5_pointer2_middleL_pinkyL'].min_adjacent_strings[5] = 5
barre_configs['barre6_pointer2_middleL_pinkyL'] = BarreConfig()
barre_configs['barre6_pointer2_middleL_pinkyL'].body_fret_offset[4] = 1
barre_configs['barre6_pointer2_middleL_pinkyL'].body_fret_offset[2] = 1
barre_configs['barre6_pointer2_middleL_pinkyL'].min_adjacent_strings[5] = 6
barre_configs['barreX_pointer2'] = BarreConfig()
barre_configs['barreX_pointer2'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6'] = BarreConfig()
barre_configs['barreX_pointer6'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6'].max_adjacent_strings[1] = 6
barre_configs['barreX_pointer6_middle4'] = BarreConfig()
barre_configs['barreX_pointer6_middle4'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6_middle4'].max_adjacent_strings[1] = 6
barre_configs['barreX_pointer6_middle4'].max_adjacent_strings[2] = 4
barre_configs['barreX_pointer6_pinkyL'] = BarreConfig()
barre_configs['barreX_pointer6_pinkyL'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6_pinkyL'].max_adjacent_strings[1] = 6
barre_configs['barreX_pointer6_pinkyL'].body_fret_offset[4] = 1
barre_configs['barreX_pointer6_middle4_pinkyL'] = BarreConfig()
barre_configs['barreX_pointer6_middle4_pinkyL'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6_middle4_pinkyL'].max_adjacent_strings[1] = 6
barre_configs['barreX_pointer6_middle4_pinkyL'].body_fret_offset[4] = 1
barre_configs['barreX_pointer6_middle4_pinkyL'].max_adjacent_strings[2] = 4
barre_configs['barreX_pointer6_middleL_pinkyL'] = BarreConfig()
barre_configs['barreX_pointer6_middleL_pinkyL'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6_middleL_pinkyL'].max_adjacent_strings[1] = 6
barre_configs['barreX_pointer6_middleL_pinkyL'].body_fret_offset[4] = 1
barre_configs['barreX_pointer6_middleL_pinkyL'].body_fret_offset[2] = 1
barre_configs['barreX_pointer6_middle4L_pinkyL'] = BarreConfig()
barre_configs['barreX_pointer6_middle4L_pinkyL'].max_accessible_fret[5] = 0
barre_configs['barreX_pointer6_middle4L_pinkyL'].max_adjacent_strings[1] = 6
barre_configs['barreX_pointer6_middle4L_pinkyL'].body_fret_offset[4] = 1
barre_configs['barreX_pointer6_middle4L_pinkyL'].body_fret_offset[2] = 1
barre_configs['barreX_pointer6_middle4L_pinkyL'].max_adjacent_strings[2] = 4
overlap_configs = dict()
overlap_configs['gap0'] = OverlapConfig()
overlap_configs['gap0_pointerLow'] = OverlapConfig()
overlap_configs['gap0_pointerLow'].force_primary_low = 1
overlap_configs['gap0_middleLow'] = OverlapConfig()
overlap_configs['gap0_middleLow'].force_primary_low = 2
overlap_configs['gap1'] = OverlapConfig()
overlap_configs['gap1'].force_primary_spacing = 1
overlap_configs['gap1_pointerLow'] = OverlapConfig()
overlap_configs['gap1_pointerLow'].force_primary_spacing = 1
overlap_configs['gap1_pointerLow'].force_primary_low = 1
overlap_configs['gap1_middleLow'] = OverlapConfig()
overlap_configs['gap1_middleLow'].force_primary_spacing = 1
overlap_configs['gap1_middleLow'].force_primary_low = 2
overlap_configs['gap2'] = OverlapConfig()
overlap_configs['gap2'].force_primary_spacing = 2
overlap_configs['gap2_pointerLow'] = OverlapConfig()
overlap_configs['gap2_pointerLow'].force_primary_spacing = 2
overlap_configs['gap2_pointerLow'].force_primary_low = 1
overlap_configs['gap2_middleLow'] = OverlapConfig()
overlap_configs['gap2_middleLow'].force_primary_spacing = 2
overlap_configs['gap2_middleLow'].force_primary_low = 2
reach_configs = dict()
reach_configs['f6_m6_r6_p6'] = ReachConfig()
reach_configs['f6_m5_r6_p6'] = ReachConfig()
reach_configs['f6_m5_r6_p6'].max_accessible_string[2] = 5
reach_configs['f6_m6_r5_p6'] = ReachConfig()
reach_configs['f6_m6_r5_p6'].max_accessible_string[3] = 5
reach_configs['f6_m4_r6_p6'] = ReachConfig()
reach_configs['f6_m4_r6_p6'].max_accessible_string[2] = 4
reach_configs['f6_m6_r4_p6'] = ReachConfig()
reach_configs['f6_m6_r4_p6'].max_accessible_string[3] = 4
reach_configs['f6_m5_r5_p6'] = ReachConfig()
reach_configs['f6_m5_r5_p6'].max_accessible_string[2] = 5
reach_configs['f6_m5_r5_p6'].max_accessible_string[3] = 5
reach_configs['f6_m4_r5_p6'] = ReachConfig()
reach_configs['f6_m4_r5_p6'].max_accessible_string[2] = 4
reach_configs['f6_m4_r5_p6'].max_accessible_string[3] = 5
reach_configs['f6_m5_r4_p6'] = ReachConfig()
reach_configs['f6_m5_r4_p6'].max_accessible_string[2] = 5
reach_configs['f6_m5_r4_p6'].max_accessible_string[3] = 4
reach_configs['f6_m4_r4_p6'] = ReachConfig()
reach_configs['f6_m4_r4_p6'].max_accessible_string[2] = 4
reach_configs['f6_m4_r4_p6'].max_accessible_string[3] = 4
reach_configs['f6_m4_r3_p6'] = ReachConfig()
reach_configs['f6_m4_r3_p6'].max_accessible_string[2] = 4
reach_configs['f6_m4_r3_p6'].max_accessible_string[3] = 3
reach_configs['f6_m3_r4_p6'] = ReachConfig()
reach_configs['f6_m3_r4_p6'].max_accessible_string[2] = 3
reach_configs['f6_m3_r4_p6'].max_accessible_string[3] = 4
reach_configs['f2_m5_r4_p6'] = ReachConfig()
reach_configs['f2_m5_r4_p6'].max_accessible_string[2] = 5
reach_configs['f2_m5_r4_p6'].max_accessible_string[3] = 4
reach_configs['f2_m5_r4_p6'].min_accessible_string[1] = 2
reach_configs['f2_m4_r4_p6'] = ReachConfig()
reach_configs['f2_m4_r4_p6'].max_accessible_string[2] = 4
reach_configs['f2_m4_r4_p6'].max_accessible_string[3] = 4
reach_configs['f2_m4_r4_p6'].min_accessible_string[1] = 2
reach_configs['f3_m4_r4_p6'] = ReachConfig()
reach_configs['f3_m4_r4_p6'].max_accessible_string[2] = 4
reach_configs['f3_m4_r4_p6'].max_accessible_string[3] = 4
reach_configs['f3_m4_r4_p6'].min_accessible_string[1] = 3
reach_configs['f2_m3_r4_p6'] = ReachConfig()
reach_configs['f2_m3_r4_p6'].max_accessible_string[2] = 3
reach_configs['f2_m3_r4_p6'].max_accessible_string[3] = 4
reach_configs['f2_m3_r4_p6'].min_accessible_string[1] = 2
reach_configs['f3_m3_r4_p6'] = ReachConfig()
reach_configs['f3_m3_r4_p6'].max_accessible_string[2] = 3
reach_configs['f3_m3_r4_p6'].max_accessible_string[3] = 4
reach_configs['f3_m3_r4_p6'].min_accessible_string[1] = 3
barre_file = open("barre_analysis.csv", 'w')
barre_file.write("Configuration;Chord;Position;Fingerings\n")
overlap_file = open("overlap_analysis.csv", 'w')
overlap_file.write("Configuration;Chord;Position;Fingerings\n")
reach_file = open("reach_analysis.csv", 'w')
reach_file.write("Configuration;Chord;Position;Fingerings\n")
num_positions = 0
for chord in chords_json:
num_positions += len(chords_json[chord])
target_position = None
i_position = 0
for chord in chords_json:
for chord_position in chords_json[chord]:
i_position += 1
if target_position is not None and i_position != target_position: continue
position_fingerings = list(yield_fingerings(chord_position['positions']))
for config in barre_configs:
valid_fingering_count = 0
for fingering in position_fingerings:
if is_valid_fingering(fingering, chord_position['positions'], barre_configs[config]):
valid_fingering_count += 1
barre_file.write(f"{config};{chord};{chord_position['positions']};{valid_fingering_count}\n")
print(f"{100*i_position/num_positions:6.1f}%\t{valid_fingering_count}\t{config}\t\t{chord}\t\t{chord_position['positions']}")
for config in overlap_configs:
valid_fingering_count = 0
for fingering in position_fingerings:
if is_valid_fingering(fingering, chord_position['positions'], overlap_configs[config]):
valid_fingering_count += 1
overlap_file.write(f"{config};{chord};{chord_position['positions']};{valid_fingering_count}\n")
print(f"{100*i_position/num_positions:6.1f}%\t{valid_fingering_count}\t{config}\t\t{chord}\t\t{chord_position['positions']}")
for config in reach_configs:
valid_fingering_count = 0
for fingering in position_fingerings:
if is_valid_fingering(fingering, chord_position['positions'], reach_configs[config]):
valid_fingering_count += 1
#print(f" {fingering}")
reach_file.write(f"{config};{chord};{chord_position['positions']};{valid_fingering_count}\n")
print(f"{100*i_position/num_positions:6.1f}%\t{valid_fingering_count}\t{config}\t\t{chord}\t\t{chord_position['positions']}")
barre_file.close()
overlap_file.close()
reach_file.close()