Changeset 1893
 Timestamp:
 Jun 17, 2015 11:47:40 AM (7 years ago)
 Location:
 trunk
 Files:

 2 edited
Legend:
 Unmodified
 Added
 Removed

trunk/GSASIIpwd.py
r1889 r1893 1377 1377 1378 1378 def BackgroundPrint(Background,sigDict): 1379 if Background[0][1]:1380 print 'Background coefficients for',Background[0][0],'function'1381 ptfmt = "%12.5f"1382 ptstr = 'values:'1383 sigstr = 'esds :'1384 for i,back in enumerate(Background[0][3:]):1385 ptstr += ptfmt % (back)1379 print 'Background coefficients for',Background[0][0],'function' 1380 ptfmt = "%12.5f" 1381 ptstr = 'value: ' 1382 sigstr = 'esd : ' 1383 for i,back in enumerate(Background[0][3:]): 1384 ptstr += ptfmt % (back) 1385 if Background[0][1]: 1386 1386 sigstr += ptfmt % (sigDict['Back;'+str(i)]) 1387 if len(ptstr) > 75: 1388 print ptstr 1389 if Background[0][1]: print sigstr 1390 ptstr = 'value: ' 1391 sigstr = 'esd : ' 1392 if len(ptstr) > 8: 1387 1393 print ptstr 1388 print sigstr 1389 else: 1390 print 'Background not refined' 1394 if Background[0][1]: print sigstr 1395 1391 1396 if Background[1]['nDebye']: 1392 1397 parms = ['DebyeA;','DebyeR;','DebyeU;'] … … 1402 1407 print line 1403 1408 if Background[1]['nPeaks']: 1404 parms = ['BkPkpos','BkPkint','BkPksig','BkPkgam'] 1405 print 'Peaks in background coefficients' 1409 print 'Coefficients for Background Peaks' 1406 1410 ptfmt = "%15.3f" 1407 names = 'names :' 1408 ptstr = 'values:' 1409 sigstr = 'esds :' 1410 for item in sigDict: 1411 if 'BkPk' in item: 1412 names += '%15s'%(item) 1413 sigstr += ptfmt%(sigDict[item]) 1414 parm,id = item.split(';') 1415 ip = parms.index(parm) 1416 ptstr += ptfmt%(Background[1]['peaksList'][int(id)][2*ip]) 1417 print names 1418 print ptstr 1419 print sigstr 1411 for j,pl in enumerate(Background[1]['peaksList']): 1412 names = 'peak %3d:'%(j+1) 1413 ptstr = 'values :' 1414 sigstr = 'esds :' 1415 for i,lbl in enumerate(['BkPkpos','BkPkint','BkPksig','BkPkgam']): 1416 val = pl[2*i] 1417 prm = lbl+";"+str(j) 1418 names += '%15s'%(prm) 1419 ptstr += ptfmt%(val) 1420 if prm in sigDict: 1421 sigstr += ptfmt%(sigDict[prm]) 1422 else: 1423 sigstr += " "*15 1424 print names 1425 print ptstr 1426 print sigstr 1420 1427 1421 1428 def SetInstParms(Inst): … … 1562 1569 return np.sqrt(weights)*getPeakProfileDerv(dataType,parmdict,xdata,varylist,bakType) 1563 1570 1564 def errPeakProfile(values,xdata,ydata, 1571 def errPeakProfile(values,xdata,ydata,weights,dataType,parmdict,varylist,bakType,dlg): 1565 1572 parmdict.update(zip(varylist,values)) 1566 1573 M = np.sqrt(weights)*(getPeakProfile(dataType,parmdict,xdata,varylist,bakType)ydata) … … 1608 1615 try: 1609 1616 result = so.leastsq(errPeakProfile,values,Dfun=devPeakProfile,full_output=True,ftol=Ftol,col_deriv=True, 1610 1617 args=(x[xBeg:xFin],y[xBeg:xFin],w[xBeg:xFin],dataType,parmDict,varyList,bakType,dlg)) 1611 1618 ncyc = int(result[2]['nfev']/2) 1612 1619 finally: 
trunk/GSASIIpwdGUI.py
r1889 r1893 28 28 import random as ran 29 29 import cPickle 30 import scipy.interpolate as si 30 31 import GSASIIpath 31 32 GSASIIpath.SetVersionNumber("$Revision$") … … 814 815 limits = G2frame.PatternTree.GetItemPyData(G2gd.GetPatternTreeItemId(G2frame,PatternId, 'Limits'))[1] 815 816 inst,inst2 = G2frame.PatternTree.GetItemPyData(G2gd.GetPatternTreeItemId(G2frame,PatternId, 'Instrument Parameters')) 816 817 X = [x for x,y in background[1]['FixedPoints'] if limits[0] <= x <= limits[1]] 818 Y = [y for x,y in background[1]['FixedPoints'] if limits[0] <= x <= limits[1]] 819 W = [1]*len(X) 820 Z = [0]*len(X) 817 # sort the points for convenience and then separate them; extend the range if needed 818 background[1]['FixedPoints'] = sorted(background[1]['FixedPoints'],key=lambda pair:pair[0]) 819 X = [x for x,y in background[1]['FixedPoints']] 820 Y = [y for x,y in background[1]['FixedPoints']] 821 if X[0] > limits[0]: 822 X = [limits[0]] + X 823 Y = [Y[0]] + Y 824 if X[1] < limits[1]: 825 X += [limits[1]] 826 Y += [Y[1]] 827 # interpolate the fixed points onto the grid of data points within limits 828 pwddata = G2frame.PatternTree.GetItemPyData(PatternId)[1] 829 xBeg = np.searchsorted(pwddata[0],limits[0]) 830 xFin = np.searchsorted(pwddata[0],limits[1]) 831 xdata = pwddata[0][xBeg:xFin] 832 ydata = si.interp1d(X,Y)(xdata) 833 #GSASIIpath.IPyBreak() 834 W = [1]*len(xdata) 835 Z = [0]*len(xdata) 821 836 822 837 # load instrument and background params … … 835 850 try: 836 851 G2pwd.DoPeakFit('LSQ',[],background,limits,inst,inst2, 837 np.array(( X,Y,W,Z,Z,Z)),bakVary,False,controls)852 np.array((xdata,ydata,W,Z,Z,Z)),bakVary,False,controls) 838 853 finally: 839 854 wx.EndBusyCursor() 840 855 # compute the background values and plot them 841 pwddata = G2frame.PatternTree.GetItemPyData(PatternId)[1]842 x = pwddata[0]843 xBeg = np.searchsorted(x,limits[0])844 xFin = np.searchsorted(x,limits[1])845 856 parmDict = {} 846 857 bakType,bakDict,bakVary = G2pwd.SetBackgroundParms(background) … … 850 861 pwddata[5] *= 0 851 862 pwddata[4][xBeg:xFin] = G2pwd.getBackground( 852 '',parmDict,bakType,dataType,x [xBeg:xFin])[0]863 '',parmDict,bakType,dataType,xdata)[0] 853 864 G2plt.PlotPatterns(G2frame,plotType='PWDR') 854 865 # show the updated background values
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