def execute(self, namespace):
        from PYME.localization.FitFactories import GaussMultifitSR
        import pandas as pd

        img = namespace[self.inputImage]

        img.mdh['Analysis.PSFSigma'] = self.blobSigma

        res = []

        for i in range(img.data.shape[2]):
            md = MetaDataHandler.NestedClassMDHandler(img.mdh)
            md['tIndex'] = i
            ff = GaussMultifitSR.FitFactory(self.scale * img.data[:, :, i],
                                            img.mdh,
                                            noiseSigma=np.ones_like(
                                                img.data[:, :, i].squeeze()))

            res.append(tabular.FitResultsSource(ff.FindAndFit(self.threshold)))

        #FIXME - this shouldn't be a DataFrame
        res = pd.DataFrame(np.vstack(res))
        res.mdh = img.mdh

        namespace[self.outputName] = res
Example #2
0
    def _add_new_results(self, newResults):
        if len(newResults) > 0:
            if len(self.fitResults) == 0:
                self.fitResults = newResults
                self.ds = tabular.FitResultsSource(self.fitResults)
                self.ds.mdh = self.resultsMdh
                self.dsviewer.pipeline.OpenFile(
                    ds=self.ds, imBounds=self.dsviewer.image.imgBounds)
                self.dsviewer.pipeline.mdh = self.resultsMdh
                try:
                    self.dsviewer.LMDisplay.SetFit()
                except:
                    pass
            else:
                self.fitResults = np.concatenate((self.fitResults, newResults))
                self.ds.setResults(self.fitResults)
                self.dsviewer.pipeline.recipe.prune_dependencies_from_namespace(
                    [
                        'Localizations',
                    ], True)
                self.dsviewer.pipeline.recipe.invalidate_data()

            self.progPan.fitResults = self.fitResults
            self.view.points = np.vstack((self.fitResults['fitResults']['x0'],
                                          self.fitResults['fitResults']['y0'],
                                          self.fitResults['tIndex'])).T
            self.numEvents = len(self.fitResults)

            try:
                self.dsviewer.LMDisplay.RefreshView()
            except:
                pass
Example #3
0
    def OnGenEvents(self, event):
        from PYME.simulation import locify
        #from PYME.Acquire.Hardware.Simulator import wormlike2
        from PYME.IO import tabular
        from PYME.IO.image import ImageBounds
        import pylab

        #wc = wormlike2.wormlikeChain(100)

        pipeline = self.visFr.pipeline
        pipeline.filename = 'Simulation'

        pylab.figure()
        pylab.plot(self.xp, self.yp, 'x')  #, lw=2)
        if isinstance(self.source, WormlikeSource):
            pylab.plot(self.xp, self.yp, lw=2)

        res = locify.eventify(self.xp,
                              self.yp,
                              self.meanIntensity,
                              self.meanDuration,
                              self.backgroundIntensity,
                              self.meanEventNumber,
                              self.scaleFactor,
                              self.meanTime,
                              z=self.zp)

        pylab.plot(res['fitResults']['x0'], res['fitResults']['y0'], '+')

        ds = tabular.MappingFilter(tabular.FitResultsSource(res))

        if isinstance(self.source, ImageSource):
            pipeline.imageBounds = image.openImages[
                self.source.image].imgBounds
        else:
            pipeline.imageBounds = ImageBounds.estimateFromSource(ds)

        pipeline.addDataSource('Generated Points', ds)
        pipeline.selectDataSource('Generated Points')

        from PYME.IO.MetaDataHandler import NestedClassMDHandler
        pipeline.mdh = NestedClassMDHandler()
        pipeline.mdh['Camera.ElectronsPerCount'] = 1
        pipeline.mdh['Camera.TrueEMGain'] = 1
        pipeline.mdh['Camera.CycleTime'] = 1
        pipeline.mdh['voxelsize.x'] = .110

        try:
            pipeline.filterKeys.pop('sig')
        except:
            pass

        pipeline.Rebuild()
        if len(self.visFr.layers) < 1:
            self.visFr.add_pointcloud_layer(
            )  #TODO - move this logic so that layer added automatically when datasource is added?
        #self.visFr.CreateFoldPanel()
        self.visFr.SetFit()
Example #4
0
    def analRefresh(self):
        newNumAnalysed = self.tq.getNumberTasksCompleted(self.queueName)
        if newNumAnalysed > self.numAnalysed:
            self.numAnalysed = newNumAnalysed
            newResults = self.tq.getQueueData(self.queueName, 'FitResults',
                                              len(self.fitResults))
            if len(newResults) > 0:
                if len(self.fitResults) == 0:
                    self.fitResults = newResults
                    self.ds = tabular.FitResultsSource(self.fitResults)
                    self.dsviewer.pipeline.OpenFile(
                        ds=self.ds, imBounds=self.dsviewer.image.imgBounds)
                    self.dsviewer.pipeline.mdh = self.resultsMdh
                    try:
                        self.dsviewer.LMDisplay.SetFit()
                    except:
                        pass
                else:
                    self.fitResults = np.concatenate(
                        (self.fitResults, newResults))
                    self.ds.setResults(self.fitResults)
                    #self.dsviewer.pipeline.Rebuild()
                    self.dsviewer.pipeline.recipe.prune_dependencies_from_namespace(
                        [
                            'Localizations',
                        ], True)
                    #logger.debug('Namespace keys (should just be Localizations): %s' % self.dsviewer.pipeline.recipe.namespace.keys())
                    self.dsviewer.pipeline.recipe.invalidate_data()
                    #self.dsviewer.pipeline.Rebuild()

                self.progPan.fitResults = self.fitResults

                self.view.points = np.vstack(
                    (self.fitResults['fitResults']['x0'],
                     self.fitResults['fitResults']['y0'],
                     self.fitResults['tIndex'])).T

                self.numEvents = len(self.fitResults)

                try:
                    self.dsviewer.LMDisplay.RefreshView()
                except:
                    pass

        if (self.tq.getNumberOpenTasks(self.queueName) +
                self.tq.getNumberTasksInProgress(self.queueName)
            ) == 0 and 'SpoolingFinished' in self.image.mdh.getEntryNames():
            self.dsviewer.statusbar.SetBackgroundColour(wx.GREEN)
            self.dsviewer.statusbar.Refresh()

        self.progPan.draw()
        self.progPan.Refresh()
        self.dsviewer.Refresh()
        self.dsviewer.update()
Example #5
0
    def execute(self, namespace):
        #from PYME.localization.FitFactories import DumbellFitR
        from PYME.IO import MetaDataHandler
        img = namespace[self.inputImage]

        md = MetaDataHandler.NestedClassMDHandler()
        #set metadata entries needed for fitting to suitable defaults
        md['Camera.ADOffset'] = img.data[:, :, 0].min()
        md['Camera.TrueEMGain'] = 1.0
        md['Camera.ElectronsPerCount'] = 1.0
        md['Camera.ReadNoise'] = 1.0
        md['Camera.NoiseFactor'] = 1.0

        md['voxelsize.x'] = .001
        md['voxelsize.y'] = .001

        #copy across the entries from the real image, replacing the defaults
        #if necessary
        md.copyEntriesFrom(img.mdh)

        inp = namespace[self.inputPositions]

        fitMod = __import__('PYME.localization.FitFactories.' + self.fitModule,
                            fromlist=['PYME', 'localization', 'FitFactories'
                                      ])  #import our fitting module

        r = np.zeros(len(inp['x']), dtype=fitMod.FitResultsDType)

        ff_t = -1

        ps = img.pixelSize
        print('pixel size: %s' % ps)

        for x, y, t, i in zip(inp['x'], inp['y'], inp['t'],
                              range(len(inp['x']))):
            if not t == ff_t:
                md['tIndex'] = t
                ff = fitMod.FitFactory(img.data[:, :, t, self.channel], md)
                ff_t = t

            #print x/ps, y/ps
            r[i] = ff.FromPoint(x / ps, y / ps, roiHalfSize=self.roiHalfSize)

        res = tabular.FitResultsSource(r, sort=False)
        res.mdh = md

        namespace[self.outputName] = res
    def _OnCoalesce(self, event=None):
        from PYME.IO import tabular
        from PYME.Analysis.points.DeClump import pyDeClump
        
        pipeline = self.visFr.pipeline
        try:
            nphotons = pipeline.selectedDataSource['nPhotons']
        except KeyError:
            nphotons = None
            
        #TODO - check what nPhotons is doing here!!!
        dclumped = pyDeClump.coalesceClumps(pipeline.selectedDataSource.resultsSource.fitResults,
                                            pipeline.selectedDataSource['clumpIndex'], nphotons)
        ds = tabular.FitResultsSource(dclumped)

        pipeline.addDataSource('Coalesced',  ds)
        pipeline.selectDataSource('Coalesced')
 def execute(self, namespace):
     from PYME.localization.FitFactories import DumbellFitR
     from PYME.IO import MetaDataHandler
     img = namespace[self.inputImage]
     
     md = MetaDataHandler.NestedClassMDHandler()
     #set metadata entries needed for fitting to suitable defaults
     md['Camera.ADOffset'] = img.data[:,:,0].min()
     md['Camera.TrueEMGain'] = 1.0
     md['Camera.ElectronsPerCount'] = 1.0
     md['Camera.ReadNoise'] = 1.0
     md['Camera.NoiseFactor'] = 1.0
     
     #copy across the entries from the real image, replacing the defaults
     #if necessary
     md.copyEntriesFrom(img.mdh)
     
     
     inp = namespace[self.inputPositions]
 
     r = np.zeros(len(inp['x']), dtype=DumbellFitR.FitResultsDType)
     
     ff_t = -1
     
     ps = img.pixelSize
     
     for x, y, t, i in zip(inp['x'], inp['y'], inp['t'], range(len(inp['x']))):
         if not t == ff_t:
             md['tIndex'] = t
             ff = DumbellFitR.FitFactory(img.data[:,:,t], md)
             ff_t = t
         
         r[i] = ff.FromPoint(x/ps, y/ps)
         
     
     res = tabular.FitResultsSource(r)
     res.mdh = md
     
     namespace[self.outputName] = res
    def OnGenEvents(self, event):
        from PYME.simulation import locify
        #from PYME.Acquire.Hardware.Simulator import wormlike2
        from PYME.IO import tabular
        from PYME.IO.image import ImageBounds
        # import pylab
        import matplotlib.pyplot as plt

        #wc = wormlike2.wormlikeChain(100)

        pipeline = self.visFr.pipeline
        pipeline.filename = 'Simulation'

        plt.figure()
        plt.plot(self.xp, self.yp, 'x')  #, lw=2)
        if isinstance(self.source, WormlikeSource):
            plt.plot(self.xp, self.yp, lw=2)

        if self.mode == 'STORM':
            res = locify.eventify(self.xp,
                                  self.yp,
                                  self.meanIntensity,
                                  self.meanDuration,
                                  self.backgroundIntensity,
                                  self.meanEventNumber,
                                  self.scaleFactor,
                                  self.meanTime,
                                  z=self.zp)
        else:
            res = locify.eventify2(self.xp,
                                   self.yp,
                                   self.meanIntensity,
                                   self.meanDuration,
                                   self.backgroundIntensity,
                                   self.meanEventNumber,
                                   self.scaleFactor,
                                   self.meanTime,
                                   z=self.zp)

        plt.plot(res['fitResults']['x0'], res['fitResults']['y0'], '+')

        ds = tabular.MappingFilter(tabular.FitResultsSource(res))

        try:
            # some data sources (current ImageSource) have image bound info. Use this if available
            # this could fail on either an AttributeError (if the data source doesn't implement bounds
            # or another error if something fails in get_bounds(). Only catch the AttributeError, as we have
            # should not be handling other errors here.
            pipeline.imageBounds = self.source.get_bounds()
        except AttributeError:
            pipeline.imageBounds = ImageBounds.estimateFromSource(ds)

        pipeline.addDataSource('Generated Points', ds)
        pipeline.selectDataSource('Generated Points')

        from PYME.IO.MetaDataHandler import NestedClassMDHandler
        pipeline.mdh = NestedClassMDHandler()
        pipeline.mdh['Camera.ElectronsPerCount'] = 1
        pipeline.mdh['Camera.TrueEMGain'] = 1
        pipeline.mdh['Camera.CycleTime'] = 1
        pipeline.mdh['voxelsize.x'] = .110
        # some info about the parameters
        pipeline.mdh['GeneratedPoints.MeanIntensity'] = self.meanIntensity
        pipeline.mdh['GeneratedPoints.MeanDuration'] = self.meanDuration
        pipeline.mdh['GeneratedPoints.MeanEventNumber'] = self.meanEventNumber
        pipeline.mdh[
            'GeneratedPoints.BackgroundIntensity'] = self.backgroundIntensity
        pipeline.mdh['GeneratedPoints.ScaleFactor'] = self.scaleFactor
        pipeline.mdh['GeneratedPoints.MeanTime'] = self.meanTime
        pipeline.mdh['GeneratedPoints.Mode'] = self.mode
        # the source info
        self.source.genMetaData(pipeline.mdh)

        try:
            pipeline.filterKeys.pop('sig')
        except:
            pass

        pipeline.Rebuild()
        if len(self.visFr.layers) < 1:
            self.visFr.add_pointcloud_layer(
            )  #TODO - move this logic so that layer added automatically when datasource is added?
        #self.visFr.CreateFoldPanel()
        self.visFr.SetFit()