def letterToArm(letter):
"""converts a letter to an articulatory model representation of handshape"""
try:
let = letterCodingCols[letter]
except KeyError:
print("That is not a recognized letter")
raise
psf = hs.selectedFingers(
members = let["psf-members"].split(","),
MCP=let["psf-mcp"],
PIP=let["psf-pip"],
abd=hs.abduction(let["psf-abd"])
)
if(let["ssf-members"] == "None"):
ssf = None
else:
ssf = hs.secondarySelectedFingers(
members = let["ssf-members"].split(","),
MCP=let["ssf-mcp"],
PIP=let["ssf-pip"],
abd=hs.abduction(let["ssf-abd"])
)
if(let["thumb-oppos"] == "None"):
thmb = None
else:
thmb = hs.thumb(oppos=let["thumb-oppos"])
if(let["nsf-joints"] == "None"):
nsf = None
else:
nsf = hs.nonSelectedFingers(joints=let["nsf-joints"])
handshape = hs.handshape(
selectedFingers = psf,
secondarySelectedFingers = ssf,
thumb = thmb,
nonSelectedFingers = nsf
)
orientation = let["orientation"]
return hs.arm(handshape=handshape, orientation=orientation)
except:
print("Error with "+ltr+". can't convert from PM notation to AM handshape")
#ensure that all articulatory model specifications are readable
for ltr in lettersCols['letter']:
try:
letterToArm(ltr)
except:
print("error with "+ltr+". can't convert from articulatory specifications to AM handshape")
#ensure that all articulatory model specifications are readable
for ltr in lettersCols['letter']:
try:
AMarm = letterToArm(ltr)
except:
print("error with "+ltr+". can't convert from articulatory specifications to AM handshape")
break
try:
PMarm = hs.arm(handshape=letterToPM(ltr).toAMhandshape(), orientation=letterCodingCols[ltr]["orientation"])
except:
print("Error with "+ltr+". can't convert from PM notation to AM handshape")
break
AMPMdiff = AMarm.toArmTarget()-PMarm.toArmTarget()
if AMPMdiff.totalDegreesDifferent() > 0:
print("The difference between the PM and AM for "+ltr+" is "+str(AMPMdiff.totalDegreesDifferent())+" degrees.")
print("Articulatory model:")
print(AMarm.toArmTarget())
print("Prosodic model:")
print(PMarm.toArmTarget())
