Exemplo n.º 1
0
 def addProgJob(self, job_desc, generator, args, kwargs, finish_slot=None):
     job_entry = self.addJob(job_desc)
     bg_generator = threads.iterator(
         callback_slot=job_entry.progress,
         finished_slot=finish_slot,
         interrupt_signal=job_entry.sigCancel)(generator)
     bg_generator(*args, **kwargs)
Exemplo n.º 2
0
    def loadFullReconstruction(self):
        """
        Sets up a full reconstruction for the current dataset based on the current workflow pipeline and configuration
        parameters. Does not run reconstruction if there is one already running. Called when the corresponding toolbar
        button is clicked.
        """
        if not self.checkPipeline():
            return

        value = QtGui.QMessageBox.question(None, 'Run Full Reconstruction',
                                           'You are about to run a full reconstruction. '
                                           'This step can take some minutes. Do you want to continue?',
                                   (QtGui.QMessageBox.Yes | QtGui.QMessageBox.Cancel))
        if value is QtGui.QMessageBox.Cancel:
            return

        currentWidget = self.centerwidget.widget(self.currentWidget())
        self.manager.updateParameters()

        run_state = self.manager.saveState(currentWidget)



        recon_iter = threads.iterator(callback_slot=self.bottomwidget.log2local,
                            interrupt_signal=self.bottomwidget.local_cancelButton.clicked,
                            finished_slot=self.reconstructionFinished)(self.manager.reconGenerator)
        # pstart = self.ui.config_params.child('Start Projection').value()
        # pend = self.ui.config_params.child('End Projection').value()
        # pstep = self.ui.config_params.child('Step Projection').value()
        # sstart = self.ui.config_params.child('Start Sinogram').value()
        # send = self.ui.config_params.child('End Sinogram').value()
        # sstep =  self.ui.config_params.child('Step Sinogram').value()

        proj = None
        sino = None
        chunk = None
        for f in self.manager.features:
            if 'Reader' in f.name:
                proj = f.projections
                sino = f.sinograms
                chunk = f.chunk

        if (not proj and not sino and not chunk) or (not proj[1] and not sino[1] and not chunk):
            sino = (0, currentWidget.data.shape[2], 1)
            proj = (0, currentWidget.data.shape[0], 1)
            chunk = cpu_count()*5

        args = (currentWidget, run_state, proj, sino, chunk, cpu_count())

        self.manager.recon_queue.put([recon_iter, args])

        if self.recon_running:
            name = self.centerwidget.tabText(self.centerwidget.currentIndex())
            msg.showMessage('Queued reconstruction for {}.'.format(name), timeout=0)

        self.runReconstruction()
Exemplo n.º 3
0
    def loadFullReconstruction(self):
        """
        Sets up a full reconstruction for the current dataset based on the current workflow pipeline and configuration
        parameters. Does not run reconstruction if there is one already running. Called when the corresponding toolbar
        button is clicked.
        """
        if not self.checkPipeline():
            return

        value = QtGui.QMessageBox.question(
            None, 'Run Full Reconstruction',
            'You are about to run a full reconstruction. '
            'This step can take some minutes. Do you want to continue?',
            (QtGui.QMessageBox.Yes | QtGui.QMessageBox.Cancel))
        if value is QtGui.QMessageBox.Cancel:
            return

        currentWidget = self.centerwidget.currentWidget()
        self.manager.updateParameters()

        func_dict, theta, center, pipeline_dict, run_dict = self.manager.saveState(
            currentWidget)
        recon_iter = threads.iterator(
            callback_slot=self.bottom.log2local,
            except_slot=self.reconstructionFinished,
            interrupt_signal=self.bottom.local_cancelButton.clicked,
            finished_slot=self.reconstructionFinished)(
                self.manager.reconGenerator)

        # set up information for reconstruction
        proj, sino, width, proj_chunk, sino_chunk = self.get_reader_dims()

        dims = (proj, sino, width, sino_chunk, proj_chunk, cpu_count())
        args = (currentWidget, func_dict, theta, center, pipeline_dict,
                run_dict, dims)

        self.queue_widget.recon_queue.append([recon_iter, args])
        self.queue_widget.addRecon(args)

        if self.recon_running:
            name = self.centerwidget.tabText(self.centerwidget.currentIndex())
            msg.showMessage('Queued reconstruction for {}.'.format(name),
                            timeout=0)

        self.runReconstruction()
Exemplo n.º 4
0
    def runSlicePreview(self,
                        datawidget,
                        func_dict,
                        theta,
                        center,
                        stack_dict,
                        prange=None,
                        dims=None):
        """
        Callback function that receives the necessary widgets/information required to run a preview and
        add it to the viewer.TomoViewer.previewViewer

        Parameters
        ----------
        datawidget : viewers.TomoViewer
            Widget containing dataset
        func_dict: dict
            Dictionary of function names and partials with keywords for the reconstruction
        theta: list
            List of values representing angular location of camera (for reconstruction)
        center: float
            Center of rotation of dataset
        stack_dict : dict
            Dictionary describing the workflow pipeline being run. This is displayed to the left of the preview image in
            the viewer.TomoViewer.previewViewer
        prange: dict, optional
            Dictionary containing parameter being tested for TestParamRange, and the function the parameter belongs to
        dims : tuple, optional
            Tuple containing dimensions of dataset to be reconstructed
        """

        callback = partial(self.centerwidget.currentWidget().addSlicePreview,
                           stack_dict,
                           slice_no=self.preview_slices,
                           prange=prange)
        err_message = 'Unable to compute slice preview. Check log for details.'

        except_slot = lambda: msg.showMessage(err_message)
        bg_fold = threads.iterator(callback_slot=callback,
                                   finished_slot=msg.clearMessage,
                                   lock=threads.mutex,
                                   except_slot=except_slot)
        bg_fold(self.manager.reconGenerator)(datawidget, func_dict, theta,
                                             center, None, None, dims, None,
                                             'Slice')
Exemplo n.º 5
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    def run3DPreview(self,
                     datawidget,
                     func_dict,
                     theta,
                     center,
                     stack_dict,
                     prange=None,
                     dims=None):
        """
        Callback function that receives the partial stack and corresponding dictionary required to run a preview and
        add it to the viewer.TomoViewer.preview3DViewer

        Parameters
        ----------
        datawidget : viewers.TomoViewer
            Widget containing dataset
        func_dict: dict
            Dictionary of function names and partials with keywords for the reconstruction
        theta: list
            List of values representing angular location of camera (for reconstruction)
        center: float
            Center of rotation of dataset
        stack_dict : dict
            Dictionary describing the workflow pipeline being run. This is displayed to the left of the preview image in
            the viewer.TomoViewer.previewViewer
        dims : tuple, optional
            Tuple containing dimensions of dataset to be reconstructed
        """

        self.manager.updateParameters()
        callback = partial(
            self.centerwidget.widget(self.currentIndex()).add3DPreview,
            stack_dict)
        err_message = 'Unable to compute 3D preview. Check log for details.'
        except_slot = lambda: msg.showMessage(err_message)
        bg_fold = threads.iterator(callback_slot=callback,
                                   finished_slot=msg.clearMessage,
                                   lock=threads.mutex,
                                   except_slot=except_slot)
        bg_fold(self.manager.reconGenerator)(datawidget, func_dict, theta,
                                             center, None, None, dims, None,
                                             '3D')
Exemplo n.º 6
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    def runFullReconstruction(self):
        """
        Sets up a full reconstruction to be run in a background thread for the current dataset based on the current
        workflow pipeline and configuration parameters. Called when the corresponding toolbar button is clicked.

        Made obsolete by loadFullReconstruction and runReconstruction
        """
        if not self.checkPipeline():
            return

        value = QtGui.QMessageBox.question(None, 'Run Full Reconstruction',
                                           'You are about to run a full reconstruction. '
                                           'This step can take some minutes. Do you want to continue?',
                                   (QtGui.QMessageBox.Yes | QtGui.QMessageBox.Cancel))
        if value is QtGui.QMessageBox.Cancel:
            return

        name = self.centerwidget.tabText(self.centerwidget.currentIndex())
        msg.showMessage('Computing reconstruction for {}...'.format(name),timeout = 0)
        self.bottomwidget.local_console.clear()
        self.manager.updateParameters()
        recon_iter = threads.iterator(callback_slot=self.bottomwidget.log2local,
                                    interrupt_signal=self.bottomwidget.local_cancelButton.clicked,
                                    finished_slot=self.reconstructionFinished)(self.manager.functionStackGenerator)