示例#1
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    def callGlobalPlugin2(self, tag, pluginName, methodName, args, kwdargs):

        self.logger.debug(
            "Command received: plugin=%s method=%s args=%s kwdargs=%s tag=%s" %
            (pluginName, methodName, str(args), str(kwdargs), tag))

        # Get object associated with plugin
        if pluginName != 'ANA':
            raise AnaError("plugin name must be ANA")
        obj = self

        # Get method we should call
        if not hasattr(obj, methodName):
            raise Gen2Error("No such method '%s' in plugin object %s" %
                            (methodName, pluginName))
        method = getattr(obj, methodName)

        # Make a future that will be resolved by the GUI thread
        p = Bunch.Bunch()
        future = Future.Future(data=p)
        #future.freeze(method, *args, **kwdargs)
        newargs = [tag, future]
        newargs.extend(list(args))
        future.add_callback(
            'resolved',
            lambda f: self.fv.nongui_do(self.result_cb2, future, tag, p))

        future = Future.Future(data=p)
        future.freeze(method, *newargs, **kwdargs)
        future.add_callback(
            'resolved',
            lambda f: self.fv.nongui_do(self.result_cb1, future, tag, p))

        self.fv.gui_do_future(future)
        return ro.OK
示例#2
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    def add_history(self, imname, path, idx=None,
                    image_loader=None, image_future=None):

        if not (imname in self.image_index):

            if image_loader is None:
                image_loader = self.fv.load_image
            # create an image_future if one does not exist
            if (image_future is None) and (path is not None):
                image_future = Future.Future()
                image_future.freeze(image_loader, path)

            info = Bunch.Bunch(name=imname, path=path,
                               idx=idx,
                               image_loader=image_loader,
                               image_future=image_future,
                               time_added=time.time(),
                               time_modified=None,
                               profile=None)
            self._add_info(info)

        else:
            # already in history
            info = self.image_index[imname]

        return info
示例#3
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    def gui_do(self, method, *args, **kwdargs):
        future = Future.Future(priority=0)
        future.freeze(method, *args, **kwdargs)
        self.gui_queue.put(future)

        my_id = thread.get_ident()
        if my_id != self.gui_thread_id:
            return future
示例#4
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 def gui_do(self, method, *args, **kwdargs):
     """General method for calling into the GUI.
     """
     #gobject.idle_add(method, *args, **kwdargs)
     future = Future.Future()
     future.freeze(method, *args, **kwdargs)
     self.gui_queue.put(future)
     return future
示例#5
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    def add_image_info(self, info):

        image_loader = info.get('image_loader', self.fv.load_image)

        # create an image_future if one does not exist
        image_future = info.get('image_future', None)
        if (image_future is None) and (info.path is not None):
            image_future = Future.Future()
            image_future.freeze(image_loader, info.path)

        info = self.add_history(info.name, info.path,
                                image_loader=image_loader,
                                image_future=image_future)
示例#6
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文件: PgMain.py 项目: zhouyaoji/ginga
    def gui_do(self, method, *args, **kwdargs):
        """General method for asynchronously calling into the GUI.
        It makes a future to call the given (method) with the given (args)
        and (kwdargs) inside the gui thread.  If the calling thread is a
        non-gui thread the future is returned.
        """
        future = Future.Future()
        future.freeze(method, *args, **kwdargs)
        self.gui_queue.put(future)

        my_id = thread.get_ident()
        if my_id != self.gui_thread_id:
            return future
示例#7
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    def gui_do_oneshot(self, catname, method, *args, **kwdargs):
        if catname not in self.oneshots:
            deq = self.oneshots.setdefault(catname, deque([], 1))
        else:
            deq = self.oneshots[catname]

        future = Future.Future()
        future.freeze(method, *args, **kwdargs)
        deq.append(future)

        my_id = thread.get_ident()
        if my_id != self.gui_thread_id:
            return future
示例#8
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    def set_hdu(self, idx):
        self.logger.debug("Loading fits hdu #%d" % (idx))

        # determine canonical index of this HDU
        info = self.file_obj.hdu_info[idx]
        aidx = (info.name, info.extver)
        if aidx not in self.file_obj.hdu_db:
            aidx = idx
        sfx = get_hdu_suffix(aidx)

        # See if this HDU is still in the channel's datasrc
        imname = self.name_pfx + sfx
        chname = self.chname
        chinfo = self.channel
        if imname in chinfo.datasrc:
            self.curhdu = idx
            image = chinfo.datasrc[imname]
            self.fv.switch_name(chname, imname)

            return

        # Nope, we'll have to load it
        self.logger.debug("HDU %d not in memory; refreshing from file" % (idx))
        try:
            self.curhdu = idx
            dims = [0, 0]
            info = self.file_obj.hdu_info[idx]

            image = self.file_obj.get_hdu(idx)

            # create a future for reconstituting this HDU
            future = Future.Future()
            future.freeze(self.fv.load_image, self.img_path, idx=aidx)
            image.set(path=self.img_path,
                      idx=aidx,
                      name=imname,
                      image_future=future)

            self.fv.add_image(imname, image, chname=chname)

            self.logger.debug("HDU #%d loaded." % (idx))

        except Exception as e:
            errmsg = "Error loading FITS HDU #%d: %s" % (idx, str(e))
            self.logger.error(errmsg)
            self.fv.show_error(errmsg, raisetab=True)
示例#9
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        def _load_idx(image):
            try:
                # create a future for reconstituting this HDU
                future = Future.Future()
                future.freeze(self.fv.load_image, self.img_path, idx=aidx)
                image.set(path=self.img_path,
                          idx=aidx,
                          name=imname,
                          image_future=future)

                self.fv.add_image(imname, image, chname=chname)
                self.curhdu = idx
                self.logger.debug("HDU #%d loaded." % (idx))

            except Exception as e:
                errmsg = "Error loading FITS HDU #%d: %s" % (idx, str(e))
                self.logger.error(errmsg)
                self.fv.show_error(errmsg, raisetab=True)
示例#10
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    def set_hdu(self, idx):
        self.logger.debug("Loading fits hdu #%d" % (idx))

        # determine canonical index of this HDU
        info = self.hdu_info[idx]
        aidx = (info.name, info.extver)
        sfx = '%s,%d' % aidx

        # See if this HDU is still in the channel's datasrc
        imname = self.get_name(sfx)
        chname = self.chname
        chinfo = self.chinfo
        if imname in chinfo.datasrc:
            self.curhdu = idx
            self.image = chinfo.datasrc[imname]
            self.fv.switch_name(chname, imname)

            # Still need to build datacube profile
            hdu = self.fits_f[idx]
            dims = list(hdu.data.shape)
            dims.reverse()
            self.build_naxis(dims)
            return

        # Nope, we'll have to load it
        self.logger.debug("HDU %d not in memory; refreshing from file" % (idx))

        # inherit from primary header?
        inherit_prihdr = self.fv.settings.get('inherit_primary_header', False)

        image = AstroImage.AstroImage(logger=self.logger,
                                      inherit_primary_header=inherit_prihdr)
        self.image = image
        try:
            self.curhdu = idx
            dims = [0, 0]
            hdu = self.fits_f[idx]

            if hdu.data is None:
                # <- empty data part to this HDU
                self.logger.warning("Empty data part in HDU #%d" % (idx))

            elif info['htype'].lower() not in ('imagehdu', 'primaryhdu'):
                self.logger.warning("HDU #%d is not an image" % (idx))

            else:
                dims = list(hdu.data.shape)
                dims.reverse()

            image.load_hdu(hdu, fobj=self.fits_f)

            # create a future for reconstituting this HDU
            future = Future.Future()
            future.freeze(self.fv.load_image, self.path, idx=aidx)
            image.set(path=self.path,
                      idx=aidx,
                      name=imname,
                      image_future=future)

            ## self.fitsimage.set_image(image,
            ##                          raise_initialize_errors=False)
            self.fv.add_image(imname, image, chname=chname)

            self.build_naxis(dims)
            self.logger.debug("HDU #%d loaded." % (idx))

        except Exception as e:
            errmsg = "Error loading FITS HDU #%d: %s" % (idx, str(e))
            self.logger.error(errmsg)
            self.fv.show_error(errmsg, raisetab=False)
示例#11
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    def set_hdu(self, idx):
        self.logger.debug("Loading fits hdu #%d" % (idx))

        # determine canonical index of this HDU
        info = self.hdu_info[idx]
        aidx = (info.name, info.extver)
        if aidx not in self.fits_f:
            aidx = idx
        sfx = get_hdu_suffix(aidx)

        # See if this HDU is still in the channel's datasrc
        imname = self.name_pfx + sfx
        chname = self.chname
        chinfo = self.channel
        if imname in chinfo.datasrc:
            self.curhdu = idx
            self.image = chinfo.datasrc[imname]
            self.fv.switch_name(chname, imname)

            # Still need to build datacube profile
            hdu = self.fits_f[idx]
            if hdu.data is not None:
                dims = list(hdu.data.shape)
                dims.reverse()
                self.build_naxis(dims)
                return

        # Nope, we'll have to load it
        self.logger.debug("HDU %d not in memory; refreshing from file" % (idx))
        try:
            self.curhdu = idx
            dims = [0, 0]
            hdu = self.fits_f[idx]

            image = self.fv.fits_opener.load_hdu(hdu, fobj=self.fits_f)
            self.image = image

            if hdu.data is None:
                # <- empty data part to this HDU
                self.logger.warning("Empty data part in HDU #%d" % (idx))

            elif info['htype'].lower() in ('bintablehdu', 'tablehdu',):
                dims = [0, 0]

            elif info['htype'].lower() not in ('imagehdu', 'primaryhdu'):
                self.logger.warning("HDU #%d is not an image" % (idx))

            else:
                dims = list(hdu.data.shape)
                dims.reverse()

            image.load_hdu(hdu, fobj=self.fits_f)

            # create a future for reconstituting this HDU
            future = Future.Future()
            future.freeze(self.fv.load_image, self.path, idx=aidx)
            image.set(path=self.path, idx=aidx, name=imname,
                      image_future=future)

            self.fv.add_image(imname, image, chname=chname)

            self.build_naxis(dims)
            self.logger.debug("HDU #%d loaded." % (idx))

        except Exception as e:
            errmsg = "Error loading FITS HDU #%d: %s" % (
                idx, str(e))
            self.logger.error(errmsg)
            self.fv.show_error(errmsg, raisetab=False)
示例#12
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    def redo(self):
        """This updates DQ flags from canvas selection."""
        self.w.x.set_text(str(self.xcen))
        self.w.y.set_text(str(self.ycen))

        # Clear previous single-pixel results
        self.pxdqlist.clear()
        self.w.dq.set_text(self._no_keyword)

        image = self.fitsimage.get_image()
        depth = image.get_depth()
        if depth == 3:
            self.logger.error('DQ inspection for RGB image is not supported')
            return True

        header = image.get_header()
        extname = header.get(self._ext_key, self._no_keyword).upper()
        instrument = header.get(self._ins_key, None)

        # If displayed extension is not DQ, extract DQ array with same EXTVER
        if extname != self._dq_extname:
            imfile = image.metadata['path']
            imname = image.metadata['name'].split('[')[0]
            extver = header.get(self._extver_key, self._dummy_value)
            dq_extnum = (self._dq_extname, extver)

            with fits.open(imfile) as pf:
                dqsrc = dq_extnum in pf

            # Do not continue if no DQ extension
            if not dqsrc:
                self.logger.error('{0} extension not found for {1}'.format(
                    dq_extnum, imfile))
                return True

            chname = self.fv.get_channelName(self.fitsimage)
            chinfo = self.fv.get_channelInfo(chname)
            dqname = '{0}[{1},{2}]'.format(imname, self._dq_extname, extver)

            if dqname in chinfo.datasrc:  # DQ already loaded
                self.logger.debug('Loading {0} from cache'.format(dqname))
                dqsrc = chinfo.datasrc[dqname]
            else:  # Force load DQ data
                self.logger.debug('Loading {0} from {1}'.format(
                    dqname, imfile))
                dqsrc = self.fv.load_image(imfile, idx=dq_extnum)
                future = Future.Future()
                future.freeze(self.fv.load_image, imfile, idx=dq_extnum)
                dqsrc.set(path=imfile,
                          idx=dq_extnum,
                          name=dqname,
                          image_future=future)
                chinfo.datasrc[dqname] = dqsrc
                self.fv.make_callback('add-image', chname, dqsrc)

        # Use displayed image
        else:
            dqname = image.metadata['name']
            dqsrc = image

        data = dqsrc.get_data()
        if data.ndim != self._ndim:
            self.logger.error('Expected ndim={0} but data has '
                              'ndim={1}'.format(self._ndim, data.ndim))
            return True

        # Get cached DQ parser first, if available
        if instrument in self._dqparser:
            self.logger.debug(
                'Using cached DQ parser for {0}'.format(instrument))
            dqparser = self._dqparser[instrument]

        # Create new parser and cache it.
        # Look in package data first. If not found, assume external data.
        # If no data file provided, use default.
        else:
            self.logger.debug(
                'Creating new DQ parser for {0}'.format(instrument))

            if instrument in self.dqdict:
                dqfile = get_pkg_data_filename(self.dqdict[instrument])
                if dqfile:
                    self.logger.info('Using package data {0}'.format(dqfile))
                elif os.path.isfile(self.dqdict[instrument]):
                    dqfile = self.dqdict[instrument]
                    self.logger.info('Using external data {0}'.format(dqfile))
                else:
                    dqfile = _def_tab
                    self.logger.warn(
                        '{0} not found for {1}, using default'.format(
                            self.dqdict[instrument], instrument))
            else:
                dqfile = _def_tab
                self.logger.warn(
                    '{0} is not supported, using default'.format(instrument))

            dqparser = DQParser(dqfile)
            self._dqparser[instrument] = dqparser

        # Get cached results first, if available
        if self._cache_key in dqsrc.metadata:
            self.logger.debug('Using cached DQ results for {0}'.format(dqname))
            pixmask_by_flag = dqsrc.get(self._cache_key)

        # Interpret DQ flags for all pixels.
        # Cache {flag: np_index}
        else:
            self.logger.debug('Interpreting all DQs for {0}...'.format(dqname))
            pixmask_by_flag = dqparser.interpret_array(data)
            dqsrc.metadata[self._cache_key] = pixmask_by_flag

        # Parse DQ into individual flag definitions
        pixval = data[int(self.ycen), int(self.xcen)]
        dqs = dqparser.interpret_dqval(pixval)
        self.w.dq.set_text(str(pixval))
        for row in dqs:
            item = QtGui.QListWidgetItem('{0:<5d}\t{1}'.format(
                row[dqparser._dqcol], row[self.dqstr]))
            self.pxdqlist.addItem(item)

        # No need to do the rest if image has not changed
        if pixmask_by_flag is self._curpxmask:
            return True

        # Populate a list of all valid DQ flags for that image.
        # Only list DQ flags present anywhere in the image.
        self.imdqlist.clear()
        self.w.npix.set_text(self._no_keyword)
        self._curpxmask = pixmask_by_flag
        self._curshape = data.shape
        for key in sorted(self._curpxmask):
            if len(self._curpxmask[key][0]) == 0:
                continue
            row = dqparser.tab[dqparser.tab[dqparser._dqcol] == key]
            item = QtGui.QListWidgetItem('{0:<5d}\t{1}'.format(
                row[dqparser._dqcol][0], row[self.dqstr][0]))
            self.imdqlist.addItem(item)

        return True