source: sasview/sansview/perspectives/fitting/fit_thread.py @ 248b918

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 248b918 was 16865897, checked in by Jae Cho <jhjcho@…>, 14 years ago

reverting

  • Property mode set to 100644
File size: 2.1 KB
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[e9b4cc4]1
[66ff250]2import sys
[e54d2c32]3from data_util.calcthread import CalcThread
[e9b4cc4]4
[66ff250]5
[e9b4cc4]6class FitThread(CalcThread):
[ed2ea6a]7    """Thread performing the fit """
[e9b4cc4]8   
[58e0c83]9    def __init__(self, 
[e54d2c32]10                  fn,
[66ff250]11                  page_id,
[e54d2c32]12                   handler,
13                  pars=None,
[e9b4cc4]14                 completefn = None,
15                 updatefn   = None,
16                 yieldtime  = 0.01,
[2296316]17                 worktime   = 0.01,
18                 ftol       = None):
[e9b4cc4]19        CalcThread.__init__(self,completefn,
20                 updatefn,
21                 yieldtime,
22                 worktime)
[e54d2c32]23        self.handler = handler
24        self.fitter = fn
[e9b4cc4]25        self.pars = pars
[66ff250]26        self.page_id = page_id
[e9b4cc4]27        self.starttime = 0
[e54d2c32]28        self.updatefn = updatefn
[2296316]29        #Relative error desired in the sum of squares.
30        self.ftol = ftol
[e54d2c32]31   
[e9b4cc4]32    def isquit(self):
[ed2ea6a]33        """
[5062bbf]34        :raise KeyboardInterrupt: when the thread is interrupted
35       
[ed2ea6a]36        """
[e9b4cc4]37        try:
38            CalcThread.isquit(self)
39        except KeyboardInterrupt:
40            raise KeyboardInterrupt
[66ff250]41       
[e9b4cc4]42    def compute(self):
[ed2ea6a]43        """
[5062bbf]44        Perform a fit
[ed2ea6a]45        """
[e9b4cc4]46        try: 
[66ff250]47            #self.handler.starting_fit()
[ed2ea6a]48            #Result from the fit
[8da09f4]49            result = self.fitter.fit(handler=self.handler, 
[16865897]50                                     curr_thread=self,
51                                     ftol=self.ftol)
[e9b4cc4]52            self.complete(result= result,
[66ff250]53                          page_id=self.page_id,
[6bbeacd4]54                          pars = self.pars)
[785c8233]55           
[e54d2c32]56        except KeyboardInterrupt, msg:
[e9b4cc4]57            # Thread was interrupted, just proceed and re-raise.
58            # Real code should not print, but this is an example...
[ad6dd4c]59            #print "keyboard exception"
[a6a7e8a]60            #Stop on exception during fitting. Todo: need to put some mssg and reset progress bar.
[66ff250]61            raise
62            #if self.handler is not None:
63            #    self.handler.error(msg=msg)
64        except:
65            raise
66            #if self.handler is not None:
67            #    self.handler.error(msg=str(sys.exc_value))
68           
69       
70   
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