def pickVect():
"pickVect() - pick (X,Y) pair vector out of ascii column data array to be fitted"
if FIT['ncol'] <= 0:
message(FIT['root'],text='Error: No data found !!!\n\nFirst Load Data Array in from an Ascii file\n\n')
return
cols = FIT['cols']
xcol = FIT['xcol']
ycol = FIT['ycol']
ix = xcol.get()
iy = ycol.get()
if ix >= FIT['ncol']: ix= -1
if iy >= FIT['ncol']: ix= FIT['ncol'] - 1
if iy < ix: iy = ix+1
if ix < 0:
x = range(1,len(cols[0])+1)
else:
x = cols[ix]
y = cols[iy]
data = []
fo = open('xy.txt','w')
for i in range(len(x)):
data.append((x[i],y[i]))
fo.write('%18.7f %18.7f \n' % (x[i],y[i]) )
fo.close()
title='Least Square Fit: ix='+str(ix)+' ,iy='+str(iy)
FIT['title'] = title
xdisplayfile('xy.txt',title='xy.txt: '+title)
fit(data,title=title)
def drawrowsset(self): 'drawrowsset(self) - accept row slices and draw 3D row lines' from plot2d import parseint st = self.RSW[0].get() try: ll = parseint(st) except: message(self.RSFrame,'Error in\n\nEnter Row # list Field') return try: self.linewidth = self.RSW[1].get() except: message(self.RSFrame,'Error in\n\nEnter Line Width Field') return self.drawrows(ll)
def drawrowsset(self):
'drawrowsset(self) - accept row slices and draw 3D row lines'
from plot2d import parseint
st = self.RSW[0].get()
try:
ll = parseint(st)
except:
message(self.RSFrame, 'Error in\n\nEnter Row # list Field')
return
try:
self.linewidth = self.RSW[1].get()
except:
message(self.RSFrame, 'Error in\n\nEnter Line Width Field')
return
self.drawrows(ll)
def apply(self): "apply(self) - accept fit id and coeffs and pass data to fit calculation" from plot2d import parsefloat,parseint id = string.atoi(self.parms[0].get()) ll = self.parms[1].get() print 'ID # =', id print 'parms=', ll parms = parsefloat(ll) list = functions.keys() fn = list[id] f= functions[list[id]] steps = string.atoi(self.parms[2].get()) self.legd = self.legdVar.get() ret = testfit(self,data=self.data,fn=fn,parms=parms,legd=self.legd,steps=steps) # print 'ret=',ret if ret == None: message(self.fm,text='Error: Least square data fitting failed with function\n\n'+f['Exp'],title='Fitting Info')
def drawstepsset(self): 'drawstepsset(self) - accept and draw step slices selected in 3D coordinates' from plot2d import parseint st = self.SSW[0].get() try: ll = parseint(st) except: message(self.SSFrame,'Error in\nEnter Step # list Field') return try: self.linewidth = self.SSW[1].get() except: message(self.SSFrame,'Error in\nEnter Line Width Field') return self.stepline = self.SSW[2].get() if self.stepline: self.drawstepSline(ll) else: self.linewidth = self.SSW[1].get() self.drawsteps(ll)
def drawstepsset(self):
'drawstepsset(self) - accept and draw step slices selected in 3D coordinates'
from plot2d import parseint
st = self.SSW[0].get()
try:
ll = parseint(st)
except:
message(self.SSFrame, 'Error in\nEnter Step # list Field')
return
try:
self.linewidth = self.SSW[1].get()
except:
message(self.SSFrame, 'Error in\nEnter Line Width Field')
return
self.stepline = self.SSW[2].get()
if self.stepline:
self.drawstepSline(ll)
else:
self.linewidth = self.SSW[1].get()
self.drawsteps(ll)
def displayFile(self): 'displayFile(self) - display content of Ascii file loaded in' if os.path.isfile(self.fname): xdisplayfile(self.fname) else: message(self.interior(),text='Error: \n\n'+self.fname+'\nFile not found!')
def fithelp(): "fithelp() - help info about fit.py" info = 'If the fitting failed with real X vector values,\n user can try to fit with X vector index values, i.e.\n set X Vector Column Seq # to -1 to use X index vector' message(FIT['root'],text=info,title='Fit - Help Info')
def displayFile(self):
'displayFile(self) - display content of Ascii file loaded in'
if os.path.isfile(self.fname): xdisplayfile(self.fname)
else:
message(self.interior(),
text='Error: \n\n' + self.fname + '\nFile not found!')
