Changeset 1164
 Timestamp:
 Dec 9, 2013 11:29:41 AM (9 years ago)
 File:

 1 edited
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trunk/GSASIIimage.py
r1163 r1164 281 281 delt = amaxamin 282 282 if len(ring) < 10: #want more than 10 deg 283 return [],(delt > 90) ,0284 return ring,(delt > 90) ,sumI/len(ring)283 return [],(delt > 90) 284 return ring,(delt > 90) 285 285 286 286 def GetEllipse2(tth,dxy,dist,cent,tilt,phi): … … 525 525 break 526 526 ellipse = GetEllipse(dsp,data) 527 Ring,delt ,sumI= makeRing(dsp,ellipse,pixLimit,cutoff,scalex,scaley,ma.array(self.ImageZ,mask=tam))527 Ring,delt = makeRing(dsp,ellipse,pixLimit,cutoff,scalex,scaley,ma.array(self.ImageZ,mask=tam)) 528 528 if Ring: 529 529 if iH >= skip: … … 582 582 583 583 #setup 360 points on that ring for "good" fit 584 Ring,delt ,sumI= makeRing(1.0,ellipse,pixLimit,cutoff,scalex,scaley,self.ImageZ)584 Ring,delt = makeRing(1.0,ellipse,pixLimit,cutoff,scalex,scaley,self.ImageZ) 585 585 if Ring: 586 586 ellipse,err = FitRing(Ring,delt) 587 Ring,delt ,sumI= makeRing(1.0,ellipse,pixLimit,cutoff,scalex,scaley,self.ImageZ) #do again587 Ring,delt = makeRing(1.0,ellipse,pixLimit,cutoff,scalex,scaley,self.ImageZ) #do again 588 588 ellipse,err = FitRing(Ring,delt) 589 589 else: … … 617 617 dsp = HKL[0][3] 618 618 tth = 2.0*asind(wave/(2.*dsp)) 619 Ring0 = makeRing(dsp,ellipse,3,cutoff,scalex,scaley,self.ImageZ)[0] 619 620 ttth = nptand(tth) 620 621 stth = npsind(tth) … … 631 632 zdisp = radii[1]*ttth*tand(tilt) 632 633 zdism = radii[1]*ttth*tand(tilt) 633 print 'zdis',zdisp,zdism634 634 #cone axis position; 2 choices. Which is right? 635 635 centp = [elcent[0]+zdisp*sind(phi),elcent[1]+zdisp*cosd(phi)] 636 636 centm = [elcent[0]+zdism*sind(phi),elcent[1]+zdism*cosd(phi)] 637 print 'cent',centp,centm638 637 #check get same ellipse parms either way 639 #now do next ring; estimate either way & check sum of Imax/Imin in 3x3 block around each point638 #now do next ring; estimate either way & do a FitDetector each way; best fit is correct one 640 639 dsp = HKL[1][3] 641 640 tth = 2.0*asind(wave/(2.*dsp)) 642 641 ellipsep = GetEllipse2(tth,0.,dist,centp,tilt,phi) 643 # data['ellipses'].append(copy.deepcopy(ellipsep+('g',))) 644 Ringp,delt,sumIp = makeRing(dsp,ellipsep,3,cutoff,scalex,scaley,self.ImageZ) 642 ellipsem = GetEllipse2(tth,0.,dist,centm,tilt,phi) 643 Ringp = makeRing(dsp,ellipsep,3,cutoff,scalex,scaley,self.ImageZ)[0] 644 Ringm = makeRing(dsp,ellipsem,3,cutoff,scalex,scaley,self.ImageZ)[0] 645 parmDict = {'dist':dist,'detX':centp[0],'detY':centp[1], 646 'tilt':tilt,'phi':phi,'wave':wave,'dep':0.0} 647 varyList = ['dist','detX','detY','tilt','phi'] 645 648 if len(Ringp) > 10: 646 outEp,errp = FitRing(Ringp,True)649 chip,chisqp = FitDetector(np.array(Ring0+Ringp),varyList,parmDict,False) 647 650 else: 648 errp = 1e6 649 print '+',sumIp,errp 650 ellipsem = GetEllipse2(tth,0.,dist,centm,tilt,phi) 651 # data['ellipses'].append(copy.deepcopy(ellipsem+('r',))) 652 Ringm,delt,sumIm = makeRing(dsp,ellipsem,3,cutoff,scalex,scaley,self.ImageZ) 651 chip = 1e6 653 652 if len(Ringm) > 10: 654 outEm,errm = FitRing(Ringm,True) 653 parmDict['tilt'] *= 1 654 chim,chisqm = FitDetector(np.array(Ring0+Ringm),varyList,parmDict,False) 655 655 else: 656 errm = 1e6 657 print '',sumIm,errm 658 # if errp < errm: 659 if sumIp > sumIm: 656 chim = 1e6 657 if chip < chim: 660 658 data['tilt'] = tilt 661 659 data['center'] = centp 662 negTilt = 1663 660 else: 664 661 data['tilt'] = tilt 665 662 data['center'] = centm 666 negTilt = 1667 663 data['rotation'] = phi 668 664 parmDict = {'dist':data['distance'],'detX':data['center'][0],'detY':data['center'][1], … … 671 667 if data['DetDepthRef']: 672 668 varyList.append('dep') 669 data['rings'] = [] 673 670 for i,H in enumerate(HKL): 674 671 dsp = H[3] … … 681 678 data['ellipses'].append(copy.deepcopy(ellipse+('g',))) 682 679 print fmt%('predicted ellipse:',elcent[0],elcent[1],phi,radii[0],radii[1]) 683 Ring,delt ,sumI= makeRing(dsp,ellipse,pixLimit,cutoff,scalex,scaley,self.ImageZ)680 Ring,delt = makeRing(dsp,ellipse,pixLimit,cutoff,scalex,scaley,self.ImageZ) 684 681 if Ring: 685 682 data['rings'].append(np.array(Ring)) … … 689 686 data['distance'] = parmDict['dist'] 690 687 data['center'] = [parmDict['detX'],parmDict['detY']] 691 data['rotation'] = np.mod(parmDict['phi'] ,360.0)688 data['rotation'] = np.mod(parmDict['phi']+720.,360.0) 692 689 data['tilt'] = parmDict['tilt'] 690 if data['rotation'] >180.: 691 data['rotation'] = 180. 692 data['tilt'] *= 1. 693 693 data['DetDepth'] = parmDict['dep'] 694 694 elcent,phi,radii = ellipse = GetEllipse(dsp,data) … … 707 707 data['distance'] = parmDict['dist'] 708 708 data['center'] = [parmDict['detX'],parmDict['detY']] 709 data['rotation'] = np.mod(parmDict['phi'] ,360.0)709 data['rotation'] = np.mod(parmDict['phi']+720.,360.0) 710 710 data['tilt'] = parmDict['tilt'] 711 if data['rotation'] >180.: 712 data['rotation'] = 180. 713 data['tilt'] *= 1. 711 714 data['DetDepth'] = parmDict['dep'] 712 715 for H in HKL[:N]: … … 860 863 for ring in StrSta['dzero']: #get observed x,y,d points for the dzeros 861 864 ellipse = GetEllipse(ring['Dset'],StaControls) 862 Ring,delt ,sumI= makeRing(ring['Dset'],ellipse,ring['pixLimit'],ring['cutoff'],scalex,scaley,Image)865 Ring,delt = makeRing(ring['Dset'],ellipse,ring['pixLimit'],ring['cutoff'],scalex,scaley,Image) 863 866 Ring = np.array(Ring).T 864 867 ring['ImxyObs'] = np.array(Ring[:2]) #need to apply masks to this to eliminate bad points
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