示例#1
0
    def set_sp(self):
        """set energy entry for when sp model changes"""
        self.sp_table.setRowCount(0)
        if self.sp_selector.currentIndex() >= 0:
            fr = self.sp_selector.currentData()

            self.check_geometry_rmsd("SP")

            self.sp_table.insertRow(0)

            nrg_label = QLabel("E =")
            nrg_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
            self.sp_table.setCellWidget(0, 0, nrg_label)

            unit_label = ReadOnlyTableItem()
            unit_label.setData(Qt.DisplayRole, "E\u2095")
            unit_label.setTextAlignment(Qt.AlignLeft | Qt.AlignVCenter)
            self.sp_table.setItem(0, 2, unit_label)

            sp_nrg = SmallLineEdit("%.6f" % fr.other['energy'])
            sp_nrg.setReadOnly(True)
            sp_nrg.setFrame(False)
            self.sp_table.setCellWidget(0, 1, sp_nrg)

            self.sp_table.resizeRowToContents(0)
            self.sp_table.resizeColumnToContents(0)
            self.sp_table.resizeColumnToContents(1)
            self.sp_table.resizeColumnToContents(2)

        self.update_sum()
示例#2
0
文件: qt.py 项目: renemilk/pyMor
                def __init__(self):
                    super().__init__()
                    if separate_colorbars:
                        if rescale_colorbars:
                            self.vmins = tuple(np.min(u[0]) for u in U)
                            self.vmaxs = tuple(np.max(u[0]) for u in U)
                        else:
                            self.vmins = tuple(np.min(u) for u in U)
                            self.vmaxs = tuple(np.max(u) for u in U)
                    else:
                        if rescale_colorbars:
                            self.vmins = (min(np.min(u[0]) for u in U),) * len(U)
                            self.vmaxs = (max(np.max(u[0]) for u in U),) * len(U)
                        else:
                            self.vmins = (min(np.min(u) for u in U),) * len(U)
                            self.vmaxs = (max(np.max(u) for u in U),) * len(U)

                    layout = QHBoxLayout()
                    plot_layout = QGridLayout()
                    self.colorbarwidgets = [cbar_widget(self, vmin=vmin, vmax=vmax) if cbar_widget else None
                                            for vmin, vmax in zip(self.vmins, self.vmaxs)]
                    plots = [widget(self, grid, vmin=vmin, vmax=vmax, bounding_box=bounding_box, codim=codim)
                             for vmin, vmax in zip(self.vmins, self.vmaxs)]
                    if legend:
                        for i, plot, colorbar, l in zip(range(len(plots)), plots, self.colorbarwidgets, legend):
                            subplot_layout = QVBoxLayout()
                            caption = QLabel(l)
                            caption.setAlignment(Qt.AlignHCenter)
                            subplot_layout.addWidget(caption)
                            if not separate_colorbars or backend == 'matplotlib':
                                subplot_layout.addWidget(plot)
                            else:
                                hlayout = QHBoxLayout()
                                hlayout.addWidget(plot)
                                if colorbar:
                                    hlayout.addWidget(colorbar)
                                subplot_layout.addLayout(hlayout)
                            plot_layout.addLayout(subplot_layout, int(i/columns), (i % columns), 1, 1)
                    else:
                        for i, plot, colorbar in zip(range(len(plots)), plots, self.colorbarwidgets):
                            if not separate_colorbars or backend == 'matplotlib':
                                plot_layout.addWidget(plot, int(i/columns), (i % columns), 1, 1)
                            else:
                                hlayout = QHBoxLayout()
                                hlayout.addWidget(plot)
                                if colorbar:
                                    hlayout.addWidget(colorbar)
                                plot_layout.addLayout(hlayout, int(i/columns), (i % columns), 1, 1)
                    layout.addLayout(plot_layout)
                    if not separate_colorbars:
                        layout.addWidget(self.colorbarwidgets[0])
                        for w in self.colorbarwidgets[1:]:
                            w.setVisible(False)
                    self.setLayout(layout)
                    self.plots = plots
示例#3
0
                def __init__(self):
                    super().__init__()
                    if separate_colorbars:
                        if rescale_colorbars:
                            self.vmins = tuple(np.min(u[0]) for u in U)
                            self.vmaxs = tuple(np.max(u[0]) for u in U)
                        else:
                            self.vmins = tuple(np.min(u) for u in U)
                            self.vmaxs = tuple(np.max(u) for u in U)
                    else:
                        if rescale_colorbars:
                            self.vmins = (min(np.min(u[0]) for u in U),) * len(U)
                            self.vmaxs = (max(np.max(u[0]) for u in U),) * len(U)
                        else:
                            self.vmins = (min(np.min(u) for u in U),) * len(U)
                            self.vmaxs = (max(np.max(u) for u in U),) * len(U)

                    layout = QHBoxLayout()
                    plot_layout = QGridLayout()
                    self.colorbarwidgets = [cbar_widget(self, vmin=vmin, vmax=vmax) if cbar_widget else None
                                            for vmin, vmax in zip(self.vmins, self.vmaxs)]
                    plots = [widget(self, grid, vmin=vmin, vmax=vmax, bounding_box=bounding_box, codim=codim)
                             for vmin, vmax in zip(self.vmins, self.vmaxs)]
                    if legend:
                        for i, plot, colorbar, l in zip(range(len(plots)), plots, self.colorbarwidgets, legend):
                            subplot_layout = QVBoxLayout()
                            caption = QLabel(l)
                            caption.setAlignment(Qt.AlignHCenter)
                            subplot_layout.addWidget(caption)
                            if not separate_colorbars or backend == 'matplotlib':
                                subplot_layout.addWidget(plot)
                            else:
                                hlayout = QHBoxLayout()
                                hlayout.addWidget(plot)
                                if colorbar:
                                    hlayout.addWidget(colorbar)
                                subplot_layout.addLayout(hlayout)
                            plot_layout.addLayout(subplot_layout, int(i/columns), (i % columns), 1, 1)
                    else:
                        for i, plot, colorbar in zip(range(len(plots)), plots, self.colorbarwidgets):
                            if not separate_colorbars or backend == 'matplotlib':
                                plot_layout.addWidget(plot, int(i/columns), (i % columns), 1, 1)
                            else:
                                hlayout = QHBoxLayout()
                                hlayout.addWidget(plot)
                                if colorbar:
                                    hlayout.addWidget(colorbar)
                                plot_layout.addLayout(hlayout, int(i/columns), (i % columns), 1, 1)
                    layout.addLayout(plot_layout)
                    if not separate_colorbars:
                        layout.addWidget(self.colorbarwidgets[0])
                        for w in self.colorbarwidgets[1:]:
                            w.setVisible(False)
                    self.setLayout(layout)
                    self.plots = plots
示例#4
0
    def update_sum(self):
        """updates the sum of energy and thermo corrections"""
        self.sum_table.setRowCount(0)

        if not self.sp_table.rowCount():
            return

        sp_nrg = float(self.sp_table.cellWidget(0, 1).text())

        for row in range(0, self.thermo_table.rowCount()):
            self.sum_table.insertRow(row)

            label = self.thermo_table.cellWidget(row, 0)
            tooltip = label.toolTip()
            text = label.text().replace("𝛿", "")
            sum_label = QLabel(text)
            if "href=" in text:
                sum_label = QLabel()
                sum_label.setText(text)
                sum_label.setTextFormat(Qt.RichText)
                sum_label.setTextInteractionFlags(Qt.TextBrowserInteraction)
                sum_label.linkActivated.connect(self.open_link)

            sum_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
            sum_label.setToolTip(tooltip)

            self.sum_table.setCellWidget(row, 0, sum_label)

            thermo = float(self.thermo_table.cellWidget(row, 1).text())

            total = sp_nrg + thermo
            total_nrg = SmallLineEdit("%.6f" % total)
            total_nrg.setFrame(False)
            total_nrg.setReadOnly(True)
            total_nrg.setToolTip(tooltip)
            self.sum_table.setCellWidget(row, 1, total_nrg)

            unit_label = ReadOnlyTableItem()
            unit_label.setData(Qt.DisplayRole, "E\u2095")
            unit_label.setTextAlignment(Qt.AlignLeft | Qt.AlignVCenter)
            unit_label.setToolTip(tooltip)
            self.sum_table.setItem(row, 2, unit_label)

            self.sum_table.resizeRowToContents(row)

        self.sum_table.resizeColumnToContents(0)
        self.sum_table.resizeColumnToContents(1)
        self.sum_table.resizeColumnToContents(2)
示例#5
0
文件: qt.py 项目: renemilk/pyMor
        def __init__(self, U, plot, length=1, title=None):
            super().__init__()

            layout = QVBoxLayout()

            if title:
                title = QLabel('<b>' + title + '</b>')
                title.setAlignment(Qt.AlignHCenter)
                layout.addWidget(title)
            layout.addWidget(plot)

            plot.set(U, 0)

            if length > 1:
                hlayout = QHBoxLayout()

                self.slider = QSlider(Qt.Horizontal)
                self.slider.setMinimum(0)
                self.slider.setMaximum(length - 1)
                self.slider.setTickPosition(QSlider.TicksBelow)
                hlayout.addWidget(self.slider)

                lcd = QLCDNumber(m.ceil(m.log10(length)))
                lcd.setDecMode()
                lcd.setSegmentStyle(QLCDNumber.Flat)
                hlayout.addWidget(lcd)

                layout.addLayout(hlayout)

                hlayout = QHBoxLayout()

                toolbar = QToolBar()
                self.a_play = QAction(self.style().standardIcon(QStyle.SP_MediaPlay), 'Play', self)
                self.a_play.setCheckable(True)
                self.a_rewind = QAction(self.style().standardIcon(QStyle.SP_MediaSeekBackward), 'Rewind', self)
                self.a_toend = QAction(self.style().standardIcon(QStyle.SP_MediaSeekForward), 'End', self)
                self.a_step_backward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipBackward),
                                               'Step Back', self)
                self.a_step_forward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipForward), 'Step', self)
                self.a_loop = QAction(self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop', self)
                self.a_loop.setCheckable(True)
                toolbar.addAction(self.a_play)
                toolbar.addAction(self.a_rewind)
                toolbar.addAction(self.a_toend)
                toolbar.addAction(self.a_step_backward)
                toolbar.addAction(self.a_step_forward)
                toolbar.addAction(self.a_loop)
                if hasattr(self, 'save'):
                    self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
                    toolbar.addAction(self.a_save)
                    self.a_save.triggered.connect(self.save)
                hlayout.addWidget(toolbar)

                self.speed = QSlider(Qt.Horizontal)
                self.speed.setMinimum(0)
                self.speed.setMaximum(100)
                hlayout.addWidget(QLabel('Speed:'))
                hlayout.addWidget(self.speed)

                layout.addLayout(hlayout)

                self.timer = QTimer()
                self.timer.timeout.connect(self.update_solution)

                self.slider.valueChanged.connect(self.slider_changed)
                self.slider.valueChanged.connect(lcd.display)
                self.speed.valueChanged.connect(self.speed_changed)
                self.a_play.toggled.connect(self.toggle_play)
                self.a_rewind.triggered.connect(self.rewind)
                self.a_toend.triggered.connect(self.to_end)
                self.a_step_forward.triggered.connect(self.step_forward)
                self.a_step_backward.triggered.connect(self.step_backward)

                self.speed.setValue(50)

            elif hasattr(self, 'save'):
                hlayout = QHBoxLayout()
                toolbar = QToolBar()
                self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
                toolbar.addAction(self.a_save)
                hlayout.addWidget(toolbar)
                layout.addLayout(hlayout)
                self.a_save.triggered.connect(self.save)

            self.setLayout(layout)
            self.plot = plot
            self.U = U
            self.length = length
示例#6
0
class MayaShelf(abstract_shelf.AbstractShelf, object):

    def __init__(self, name='MayaShelf', label_background=(0, 0, 0, 0), label_color=(0.9, 0.9, 0.9),
                 category_icon=None, enable_labels=True):
        super(MayaShelf, self).__init__(name=name, label_background=label_background, label_color=label_color,
                                        category_icon=category_icon, enable_labels=enable_labels)

    @staticmethod
    def add_menu_item(parent, label, command='', icon=''):
        """
        Adds a menu item with the given attributes
        :param parent:
        :param label:
        :param command:
        :param icon:
        :return:
        """

        return maya.cmds.menuItem(parent=parent, label=label, command=command, image=icon or '')

    @staticmethod
    def add_sub_menu(parent, label, icon=None):
        """
        Adds a sub menu item with the given label and icon to the given parent popup menu
        :param parent:
        :param label:
        :param icon:
        :return:
        """

        return maya.cmds.menuItem(parent=parent, label=label, icon=icon or '', subMenu=True)

    def create(self, delete_if_exists=True):
        """
        Creates a new shelf
        """

        if delete_if_exists:
            if gui.shelf_exists(shelf_name=self._name):
                gui.delete_shelf(shelf_name=self._name)
        else:
            assert not gui.shelf_exists(self._name), 'Shelf with name {} already exists!'.format(self._name)

        self._name = gui.create_shelf(name=self._name)

        # ========================================================================================================

        self._category_btn = QPushButton('')
        if self._category_icon:
            self._category_btn.setIcon(self._category_icon)
        self._category_btn.setIconSize(QSize(18, 18))
        self._category_menu = QMenu(self._category_btn)
        self._category_btn.setStyleSheet(
            'QPushButton::menu-indicator {image: url(myindicator.png);'
            'subcontrol-position: right center;subcontrol-origin: padding;left: -2px;}')
        self._category_btn.setMenu(self._category_menu)
        self._category_lbl = QLabel('MAIN')
        self._category_lbl.setAlignment(Qt.AlignCenter)
        font = self._category_lbl.font()
        font.setPointSize(6)
        self._category_lbl.setFont(font)
        menu_ptr = maya.OpenMayaUI.MQtUtil.findControl(self._name)
        menu_widget = qtutils.wrapinstance(menu_ptr, QWidget)
        menu_widget.layout().addWidget(self._category_btn)
        menu_widget.layout().addWidget(self._category_lbl)

        self.add_separator()

    def set_as_active(self):
        """
        Sets this shelf as active shelf in current DCC session
        """

        main_shelf = maya.mel.eval("$_tempVar = $gShelfTopLevel")
        maya.cmds.tabLayout(main_shelf, edit=True, selectTab=self._name)

    def add_button(self, label, tooltip=None, icon='customIcon.png', command=None,
                   double_command=None, command_type='python'):
        """
        Adds a shelf button width the given parameters
        :param label:
        :param tooltip:
        :param icon:
        :param command:
        :param double_command:
        :param command_type:
        :return:
        """

        maya.cmds.setParent(self._name)
        command = command or ''
        double_command = double_command or ''

        if not self._enable_labels:
            label = ''

        return maya.cmds.shelfButton(width=37, height=37, image=icon or '', label=label, command=command,
                                     doubleClickCommand=double_command, annotation=tooltip or '',
                                     imageOverlayLabel=label, overlayLabelBackColor=self._label_background,
                                     overlayLabelColor=self._label_color, sourceType=command_type)

    def add_separator(self):
        """
        Adds a separator to shelf
        :param parent:
        :return:
        """

        maya.cmds.separator(
            parent=self._name, manage=True, visible=True, horizontal=False, style='shelf',
            enableBackground=False, preventOverride=False)

    def build_category(self, shelf_file, category_name):

        self._category_lbl.setText(category_name.upper())

        self.load_category(shelf_file, 'general', clear=True)
        if category_name != 'general':
            self.add_separator()
            self.load_category(shelf_file, category_name, clear=False)

    def build_categories(self, shelf_file, categories):
        """
        Builds all categories given
        :param categories: list<str>, list of categories to build
        """

        self._category_lbl.setText('ALL')

        self.load_category(shelf_file, 'general', clear=True)
        for cat in categories:
            if cat == 'general':
                continue
            self.add_separator()
            self.load_category(shelf_file, cat, clear=False)

    def load_category(self, shelf_file, category_name, clear=True):
        """
        Loads into a shelf all the items of given category name, if exists
        :param category_name: str, name of the category
        """

        if clear:
            self.clear_list()
            # self.add_separator()

        with open(shelf_file) as f:
            shelf_data = json.load(f, object_pairs_hook=OrderedDict)

            for item, item_data in shelf_data.items():
                if item != category_name:
                    continue

                for i in item_data:
                    icon = i.get('icon')
                    command = i.get('command')
                    annotation = i.get('annotation')
                    label = i.get('label')

                    if annotation == 'separator':
                        self.add_separator()
                    else:
                        self.add_button(label=label, command=command, icon=icon, tooltip=annotation)
                return

    def build(self, shelf_file):
        """
        Builds shelf from JSON file
        :param shelf_file: str
        """

        first_item = None

        all_categories = list()

        with open(shelf_file) as f:
            shelf_data = json.load(f, object_pairs_hook=OrderedDict)

            for i, item in enumerate(shelf_data.keys()):
                if i == 0:
                    first_item = item

                category_action = self._category_menu.addAction(item.title())
                category_action.triggered.connect(partial(self.build_category, shelf_file, item))
                all_categories.append(item)

            category_action = self._category_menu.addAction('All')
            category_action.triggered.connect(partial(self.build_categories, shelf_file, all_categories))

        if first_item:
            self.load_category(shelf_file, first_item, clear=False)

    def clear_list(self):
        """
        Clears all the elements of the shelf
        """

        if gui.shelf_exists(shelf_name=self._name):
            menu_items = maya.cmds.shelfLayout(self._name, query=True, childArray=True)
            for item in menu_items:
                try:
                    maya.cmds.deleteUI(item)
                except Exception:
                    pass
示例#7
0
class BaseColorDialog(BaseDialog, object):

    def_title = 'Select Color'

    maya_colors = [(.467, .467, .467), (.000, .000, .000), (.247, .247, .247),
                   (.498, .498, .498), (0.608, 0, 0.157), (0, 0.016, 0.373),
                   (0, 0, 1), (0, 0.275, 0.094), (0.145, 0, 0.263),
                   (0.78, 0, 0.78), (0.537, 0.278, 0.2), (0.243, 0.133, 0.122),
                   (0.6, 0.145, 0), (1, 0, 0), (0, 1, 0), (0, 0.255, 0.6),
                   (1, 1, 1), (1, 1, 0), (0.388, 0.863, 1), (0.263, 1, 0.635),
                   (1, 0.686, 0.686), (0.89, 0.675, 0.475), (1, 1, 0.384),
                   (0, 0.6, 0.325), (0.627, 0.412, 0.188),
                   (0.62, 0.627, 0.188), (0.408, 0.627, 0.188),
                   (0.188, 0.627, 0.365), (0.188, 0.627, 0.627),
                   (0.188, 0.404, 0.627), (0.435, 0.188, 0.627),
                   (0.627, 0.188, 0.404)]

    def __init__(self, name='MayaColorDialog', parent=None, **kwargs):
        parent = parent or dcc.get_main_window()

        super(BaseColorDialog, self).__init__(name=name,
                                              parent=parent,
                                              **kwargs)

        self._color = None

    def get_color(self):
        return self._color

    color = property(get_color)

    def ui(self):

        self.color_buttons = list()

        super(BaseColorDialog, self).ui()

        grid_layout = layouts.GridLayout()
        grid_layout.setAlignment(Qt.AlignTop)
        self.main_layout.addLayout(grid_layout)
        color_index = 0
        for i in range(0, 4):
            for j in range(0, 8):
                color_btn = QPushButton()
                color_btn.setMinimumHeight(35)
                color_btn.setMinimumWidth(35)
                self.color_buttons.append(color_btn)
                color_btn.setStyleSheet(
                    'background-color:rgb(%s,%s,%s);' %
                    (self.maya_colors[color_index][0] * 255,
                     self.maya_colors[color_index][1] * 255,
                     self.maya_colors[color_index][2] * 255))
                grid_layout.addWidget(color_btn, i, j)
                color_index += 1
        selected_color_layout = layouts.HorizontalLayout()
        self.main_layout.addLayout(selected_color_layout)
        self.color_slider = QSlider(Qt.Horizontal)
        self.color_slider.setMinimum(0)
        self.color_slider.setMaximum(31)
        self.color_slider.setValue(2)
        self.color_slider.setStyleSheet(
            "QSlider::groove:horizontal {border: 1px solid #999999;height: 25px; /* the groove expands "
            "to the size of the slider by default. by giving it a height, it has a fixed size */background: "
            "qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #B1B1B1, stop:1 #c4c4c4);margin: 2px 0;}"
            "QSlider::handle:horizontal {background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4,"
            " stop:1 #8f8f8f);border: 1px solid #5c5c5c;width: 10px;margin: -2px 0; /* handle is placed by "
            "default on the contents rect of the groove. Expand outside the groove */border-radius: 1px;}"
        )
        selected_color_layout.addWidget(self.color_slider)

        color_label_layout = layouts.HorizontalLayout(margins=(10, 10, 10, 10))
        self.main_layout.addLayout(color_label_layout)

        self.color_lbl = QLabel()
        self.color_lbl.setStyleSheet(
            "border: 1px solid black; background-color:rgb(0, 0, 0);")
        self.color_lbl.setMinimumWidth(45)
        self.color_lbl.setMaximumWidth(80)
        self.color_lbl.setMinimumHeight(80)
        self.color_lbl.setAlignment(Qt.AlignCenter)
        color_label_layout.addWidget(self.color_lbl)

        bottom_layout = layouts.HorizontalLayout()
        bottom_layout.setAlignment(Qt.AlignRight)
        self.main_layout.addLayout(bottom_layout)

        self.ok_btn = QPushButton('Ok')
        self.cancel_btn = QPushButton('Cancel')
        bottom_layout.addLayout(dividers.DividerLayout())
        bottom_layout.addWidget(self.ok_btn)
        bottom_layout.addWidget(self.cancel_btn)

    def setup_signals(self):

        for i, btn in enumerate(self.color_buttons):
            btn.clicked.connect(partial(self._on_set_color, i))
        self.color_slider.valueChanged.connect(self._on_set_color)

        self.ok_btn.clicked.connect(self._on_ok_btn)
        self.cancel_btn.clicked.connect(self._on_cancel_btn)

    def _on_set_color(self, color_index):
        self.color_lbl.setStyleSheet('background-color:rgb(%s,%s,%s);' %
                                     (self.maya_colors[color_index][0] * 255,
                                      self.maya_colors[color_index][1] * 255,
                                      self.maya_colors[color_index][2] * 255))
        self.color_slider.setValue(color_index)

    def _on_set_slider(self, color_index):
        self._set_color(color_index=color_index)

    def _on_ok_btn(self):
        self._color = self.color_slider.value()
        self.close()

    def _on_cancel_btn(self):
        self._color = None
        self.close()
示例#8
0
    def set_thermo(self):
        """computes thermo corrections and sets thermo entries for when thermo model changes"""
        #index of combobox is -1 when combobox has no entries
        self.thermo_table.setRowCount(0)
        if self.thermo_selector.currentIndex() >= 0:
            fr = self.thermo_selector.currentData()
            if fr not in self.thermo_co:
                self.thermo_co[fr] = CompOutput(fr)
            co = self.thermo_co[fr]

            v0 = self.v0_edit.value()

            if v0 != self.settings.w0:
                self.settings.w0 = v0

            T = self.temperature_line.value()
            if not T:
                return

            dZPE = co.ZPVE
            #compute enthalpy and entropy at this temperature
            #AaronTools uses Grimme's Quasi-RRHO, but this is the same as RRHO when w0=0
            dE, dH, s = co.therm_corr(temperature=T, v0=0, method="RRHO")
            rrho_dg = dH - T * s
            #compute G with quasi entropy treatments
            qrrho_dg = co.calc_G_corr(v0=v0, temperature=T, method="QRRHO")
            qharm_dg = co.calc_G_corr(v0=v0, temperature=T, method="QHARM")

            items = [(
                "𝛿ZPE =",
                dZPE,
                None,
                "lowest energy the molecule can have\n"
                "no rotational or vibrational modes populated\n"
                "equal to enthalpy at 0 K",
            )]

            if fr.other["frequency"].anharm_data:
                dZPE_anh = co.calc_zpe(anharmonic=True)
                items.append((
                    "𝛿ZPE<sub>anh</sub> =",
                    dZPE_anh,
                    None,
                    "lowest energy the molecule can have\n"
                    "no rotational or vibrational modes populated\n"
                    "includes corrections for anharmonic vibrations",
                ))

            items.extend([
                (
                    "𝛿H<sub>RRHO</sub> =",
                    dH,
                    None,
                    "enthalpy of formation",
                ),
                (
                    "𝛿G<sub>RRHO</sub> =",
                    rrho_dg,
                    None,
                    "energy after taking into account the average\n"
                    "population of vibrational, rotational, and translational\n"
                    "degrees of freedom",
                ),
                (
                    "𝛿G<sub>Quasi-RRHO</sub> =",
                    qrrho_dg,
                    "Grimme's Quasi-RRHO",
                    "vibrational entropy of each real mode is damped and complemented\n"
                    "with rotational entropy, with the damping function being stronger for\n"
                    "frequencies < 𝜔\u2080\n"
                    "can mitigate error from inaccuracies in the harmonic oscillator\n"
                    "approximation for low-frequency vibrations",
                ),
                (
                    "𝛿G<sub>Quasi-Harmonic</sub> =",
                    qharm_dg,
                    "Truhlar's Quasi-Harmonic",
                    "real vibrational frequencies below 𝜔\u2080 are treated as 𝜔\u2080\n"
                    "can mitigate error from inaccuracies in the harmonic oscillator\n"
                    "approximation for low-frequency vibrations",
                ),
            ])

            for i, (label_text, val, link, tooltip) in enumerate(items):
                self.thermo_table.insertRow(i)

                label = QLabel(label_text)
                if link:
                    label = QLabel()
                    label.setText(
                        "<a href=\"%s\" style=\"text-decoration: none;\">%s</a>"
                        % (link, label_text))
                    label.setTextFormat(Qt.RichText)
                    label.setTextInteractionFlags(Qt.TextBrowserInteraction)
                    label.linkActivated.connect(self.open_link)

                label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
                label.setToolTip(tooltip)

                self.thermo_table.setCellWidget(i, 0, label)

                unit_label = ReadOnlyTableItem()
                unit_label.setData(Qt.DisplayRole, "E\u2095")
                unit_label.setTextAlignment(Qt.AlignLeft | Qt.AlignVCenter)
                unit_label.setToolTip(tooltip)
                self.thermo_table.setItem(i, 2, unit_label)

                d_nrg = SmallLineEdit("%.6f" % val)
                d_nrg.setReadOnly(True)
                d_nrg.setFrame(False)
                d_nrg.setToolTip(tooltip)
                self.thermo_table.setCellWidget(i, 1, d_nrg)

                self.thermo_table.resizeRowToContents(i)

            self.thermo_table.resizeColumnToContents(0)
            self.thermo_table.resizeColumnToContents(1)
            self.thermo_table.resizeColumnToContents(2)

        self.update_sum()
示例#9
0
    def _addPin(self,
                pinDirection,
                dataType,
                foo,
                hideLabel=False,
                bCreateInputWidget=True,
                name='',
                index=-1,
                userStructClass=ENone,
                defaultValue=None):
        # check if pins with this name already exists and get uniq name
        name = self.getUniqPinName(name)

        p = CreatePin(name,
                      self,
                      dataType,
                      pinDirection,
                      userStructClass=userStructClass)
        if defaultValue is not None:
            p.setDefaultValue(defaultValue)

        self.graph().pins[p.uid] = p

        if pinDirection == PinDirection.Input and foo is not None:
            p.call = foo

        connector_name = QGraphicsProxyWidget()
        connector_name.setObjectName('{0}PinConnector'.format(name))
        connector_name.setContentsMargins(0, 0, 0, 0)

        lblName = name
        if hideLabel:
            lblName = ''
            p.bLabelHidden = True

        lbl = QLabel(lblName)
        p.nameChanged.connect(lbl.setText)
        lbl.setContentsMargins(0, 0, 0, 0)
        lbl.setAttribute(QtCore.Qt.WA_TranslucentBackground)
        font = QtGui.QFont('Consolas')
        color = Colors.PinNameColor
        font.setPointSize(6)
        lbl.setFont(font)
        style = 'color: rgb({0}, {1}, {2}, {3});'.format(
            color.red(), color.green(), color.blue(), color.alpha())
        lbl.setStyleSheet(style)
        connector_name.setWidget(lbl)
        if pinDirection == PinDirection.Input:
            container = self.addContainer(pinDirection)
            if hideLabel:
                container.setMinimumWidth(15)
            lbl.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignTop)
            container.layout().addItem(p)
            p._container = container
            container.layout().addItem(connector_name)

            self.inputs[p.uid] = p
            self.inputsLayout.insertItem(index, container)
            container.adjustSize()
        elif pinDirection == PinDirection.Output:
            container = self.addContainer(pinDirection)
            if hideLabel:
                container.setMinimumWidth(15)
            lbl.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTop)
            container.layout().addItem(connector_name)
            container.layout().addItem(p)
            p._container = container
            self.outputs[p.uid] = p
            self.outputsLayout.insertItem(index, container)
            container.adjustSize()
        p.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)

        # create member if created in runtime
        if not hasattr(self, name):
            setattr(self, name, p)
        return p
示例#10
0
class ProjectSettingsWidget(base.BaseWidget, object):
    exitSettings = Signal()

    def __init__(self, project=None, parent=None):
        self._project = None
        super(ProjectSettingsWidget, self).__init__(parent=parent)

        self._fill_version_types_combo()

        if project:
            self.set_project(project)

    def ui(self):
        super(ProjectSettingsWidget, self).ui()

        image_layout = layouts.HorizontalLayout(spacing=2,
                                                margins=(2, 2, 2, 2))
        image_layout.setContentsMargins(2, 2, 2, 2)
        image_layout.setSpacing(2)
        self.main_layout.addLayout(image_layout)
        self._project_image = QLabel()
        self._project_image.setAlignment(Qt.AlignCenter)
        image_layout.addStretch()
        image_layout.addWidget(self._project_image)
        image_layout.addStretch()

        self._settings_tab = tabs.BaseTabWidget(parent=self)
        self.main_layout.addWidget(self._settings_tab)

        self._naming_widget = NamingWidget(project=self._project)
        self._project_options_widget = rigoptionsviewer.RigOptionsViewer(
            option_object=self._project, parent=self)
        self._external_code_widget = ExternalCodeDirectoryWidget(parent=self)
        version_control_widget = QWidget(parent=self)
        version_control_layout = layouts.VerticalLayout(spacing=0,
                                                        margins=(2, 2, 2, 2))
        version_control_widget.setLayout(version_control_layout)
        self._version_type_combo = combobox.BaseComboBox(parent=self)
        version_control_layout.addWidget(self._version_type_combo)
        version_control_layout.addStretch()

        self._settings_tab.addTab(self._project_options_widget, 'Settings')
        self._settings_tab.addTab(self._naming_widget, 'Nomenclature')
        self._settings_tab.addTab(version_control_widget, 'Version Control')
        self._settings_tab.addTab(self._external_code_widget, 'External Code')

        bottom_layout = layouts.VerticalLayout(spacing=2, margins=(2, 2, 2, 2))
        bottom_layout.setAlignment(Qt.AlignBottom)
        self.main_layout.addLayout(bottom_layout)
        bottom_layout.addLayout(dividers.DividerLayout())

        buttons_layout = layouts.HorizontalLayout(spacing=2,
                                                  margins=(2, 2, 2, 2))
        bottom_layout.addLayout(buttons_layout)

        ok_icon = resources.icon('ok')
        self._ok_btn = buttons.BaseButton(parent=self)
        self._ok_btn.setIcon(ok_icon)
        buttons_layout.addWidget(self._ok_btn)

    def setup_signals(self):
        self._version_type_combo.currentIndexChanged.connect(
            self._on_version_control_type_changed)
        self._ok_btn.clicked.connect(self._on_exit)

    def get_project(self):
        """
        Returns current RigBuilder project used by this widget
        :return: Project
        """

        return self._project

    def set_project(self, project):
        """
        Sets current project used by this widget
        :param project: Project
        """

        self._project = project

        self._project_options_widget.set_option_object(self._project)
        if self._project:
            self._project_image.setPixmap(
                QPixmap(self._project.get_project_image()).scaled(
                    QSize(150, 150), Qt.KeepAspectRatio))
        self._naming_widget.set_project(self._project)
        self._external_code_widget.set_project(self._project)
        if self._project and self._project.settings.has_setting(
                'version_control'):
            try:
                version_control_index = int(
                    self._project.settings.has_setting('version_control'))
            except Exception:
                version_control_index = 0
            self._version_type_combo.setCurrentIndex(version_control_index)

    def update_options(self, do_reload=False):
        """
        Update options of the current project
        """

        if not self._project:
            return

        if do_reload:
            self._project.reload_options()

        self._project_options_widget.update_options()

    def _fill_version_types_combo(self):
        """
        Internal callback function that fills with the different types of supported version controls
        """

        self._version_type_combo.clear()
        for version_type in ['none', 'git']:
            self._version_type_combo.addItem(resources.icon(version_type),
                                             version_type)

    def _on_version_control_type_changed(self, index):
        """
        Internal callback function that is called when version control type is updated
        :param index: int
        :return:
        """

        if not self._project:
            return

        self._project.settings.set('version_control', int(index))

    def _on_exit(self):
        """
        Internal callback function that is called when the user exists settings widget
        """

        self.exitSettings.emit()
示例#11
0
        def __init__(self, U, plot, length=1, title=None):
            super().__init__()

            layout = QVBoxLayout()

            if title:
                title = QLabel('<b>' + title + '</b>')
                title.setAlignment(Qt.AlignHCenter)
                layout.addWidget(title)
            layout.addWidget(plot)

            plot.set(U, 0)

            if length > 1:
                hlayout = QHBoxLayout()

                self.slider = QSlider(Qt.Horizontal)
                self.slider.setMinimum(0)
                self.slider.setMaximum(length - 1)
                self.slider.setTickPosition(QSlider.TicksBelow)
                hlayout.addWidget(self.slider)

                lcd = QLCDNumber(m.ceil(m.log10(length)))
                lcd.setDecMode()
                lcd.setSegmentStyle(QLCDNumber.Flat)
                hlayout.addWidget(lcd)

                layout.addLayout(hlayout)

                hlayout = QHBoxLayout()

                toolbar = QToolBar()
                self.a_play = QAction(
                    self.style().standardIcon(QStyle.SP_MediaPlay), 'Play',
                    self)
                self.a_play.setCheckable(True)
                self.a_rewind = QAction(
                    self.style().standardIcon(QStyle.SP_MediaSeekBackward),
                    'Rewind', self)
                self.a_toend = QAction(
                    self.style().standardIcon(QStyle.SP_MediaSeekForward),
                    'End', self)
                self.a_step_backward = QAction(
                    self.style().standardIcon(QStyle.SP_MediaSkipBackward),
                    'Step Back', self)
                self.a_step_forward = QAction(
                    self.style().standardIcon(QStyle.SP_MediaSkipForward),
                    'Step', self)
                self.a_loop = QAction(
                    self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop',
                    self)
                self.a_loop.setCheckable(True)
                toolbar.addAction(self.a_play)
                toolbar.addAction(self.a_rewind)
                toolbar.addAction(self.a_toend)
                toolbar.addAction(self.a_step_backward)
                toolbar.addAction(self.a_step_forward)
                toolbar.addAction(self.a_loop)
                if hasattr(self, 'save'):
                    self.a_save = QAction(
                        self.style().standardIcon(QStyle.SP_DialogSaveButton),
                        'Save', self)
                    toolbar.addAction(self.a_save)
                    self.a_save.triggered.connect(self.save)
                hlayout.addWidget(toolbar)

                self.speed = QSlider(Qt.Horizontal)
                self.speed.setMinimum(0)
                self.speed.setMaximum(100)
                hlayout.addWidget(QLabel('Speed:'))
                hlayout.addWidget(self.speed)

                layout.addLayout(hlayout)

                self.timer = QTimer()
                self.timer.timeout.connect(self.update_solution)

                self.slider.valueChanged.connect(self.slider_changed)
                self.slider.valueChanged.connect(lcd.display)
                self.speed.valueChanged.connect(self.speed_changed)
                self.a_play.toggled.connect(self.toggle_play)
                self.a_rewind.triggered.connect(self.rewind)
                self.a_toend.triggered.connect(self.to_end)
                self.a_step_forward.triggered.connect(self.step_forward)
                self.a_step_backward.triggered.connect(self.step_backward)

                self.speed.setValue(50)

            elif hasattr(self, 'save'):
                hlayout = QHBoxLayout()
                toolbar = QToolBar()
                self.a_save = QAction(
                    self.style().standardIcon(QStyle.SP_DialogSaveButton),
                    'Save', self)
                toolbar.addAction(self.a_save)
                hlayout.addWidget(toolbar)
                layout.addLayout(hlayout)
                self.a_save.triggered.connect(self.save)

            self.setLayout(layout)
            self.plot = plot
            self.U = U
            self.length = length
示例#12
0
    def fill_table(self, ndx):
        self.table.setRowCount(0)
        self.freq_table.setRowCount(0)
        self.fundamental_table.setRowCount(0)
        # self.overtone_table.setRowCount(0)
        self.combo_table.setRowCount(0)

        if ndx < 0:
            self.fundamental_table.setVisible(False)
            self.combo_table.setVisible(False)
            return

        fr = self.file_selector.currentData()
        item = QTableWidgetItem()
        item.setData(Qt.DisplayRole, "name")
        val = QTableWidgetItem()
        val.setData(Qt.DisplayRole, fr.name)
        self.table.insertRow(0)
        self.table.setItem(0, 0, item)
        self.table.setItem(0, 1, val)
        for info in fr.other.keys():
            if info == "archive" and not self.settings.archive:
                continue

            if any(
                    isinstance(fr.other[info], obj)
                    for obj in [str, float, int]):
                row = self.table.rowCount()
                self.table.insertRow(row)

                item = QTableWidgetItem()
                info_name = info.replace("_", " ")
                val = fr.other[info]
                if info == "mass":
                    info_name += " (%s)" % self.settings.mass
                    if self.settings.mass == "Da":
                        val /= UNIT.AMU_TO_KG

                elif info == "temperature":
                    info_name += " (K)"

                elif (any(info == s for s in nrg_infos)
                      or info.lower().endswith("energy")
                      or info.startswith("E(")):
                    if self.settings.energy == "Hartree":
                        info_name += " (E<sub>h</sub>)"
                    else:
                        info_name += " (%s)" % self.settings.energy
                    info_name = info_name.replace("orrelation", "orr.")
                    info_name = info_name.replace("Same-spin", "SS")
                    info_name = info_name.replace("Opposite-spin", "OS")
                    if self.settings.energy == "kcal/mol":
                        val *= UNIT.HART_TO_KCAL
                    elif self.settings.energy == "kJ/mol":
                        val *= 4.184 * UNIT.HART_TO_KCAL

                    val = "%.6f" % val

                elif info.startswith("optical rotation"):
                    info_name += " (°)"

                elif any(info == x for x in pg_infos):
                    info_name = info.replace("_", " ")
                    if re.search("\d", val):
                        val = re.sub(r"(\d+)", r"<sub>\1</sub>", val)
                    # gaussian uses * for infinity
                    val = val.replace("*", "<sub>∞</sub>")
                    # psi4 uses _inf_
                    val = val.replace("_inf_", "<sub>∞</sub>")
                    if any(val.endswith(char) for char in "vhdsiVHDSI"):
                        val = val[:-1] + "<sub>" + val[-1].lower() + "</sub>"

                if "<sub>" in info_name:
                    self.table.setCellWidget(row, 0, QLabel(info_name))
                else:
                    item = QTableWidgetItem()
                    item.setData(Qt.DisplayRole, info_name)
                    self.table.setItem(row, 0, item)

                value = QTableWidgetItem()
                val = str(val)
                if "<sub>" in val:
                    self.table.setCellWidget(row, 1, QLabel(val))
                else:
                    value.setData(Qt.DisplayRole, val)
                    self.table.setItem(row, 1, value)

            elif isinstance(fr.other[info], Theory):
                theory = fr.other[info]
                if theory.method is not None:
                    row = self.table.rowCount()
                    self.table.insertRow(row)

                    item = QTableWidgetItem()
                    item.setData(Qt.DisplayRole, "method")
                    self.table.setItem(row, 0, item)

                    value = QTableWidgetItem()
                    value.setData(Qt.DisplayRole, theory.method.name)
                    self.table.setItem(row, 1, value)

                if theory.basis is not None:
                    if theory.basis.basis:
                        for basis in theory.basis.basis:
                            row = self.table.rowCount()
                            self.table.insertRow(row)

                            item = QTableWidgetItem()
                            if not basis.elements:
                                item.setData(Qt.DisplayRole, "basis set")
                            else:
                                item.setData(
                                    Qt.DisplayRole,
                                    "basis for %s" % ", ".join(basis.elements))
                            self.table.setItem(row, 0, item)

                            value = QTableWidgetItem()
                            value.setData(Qt.DisplayRole, basis.name)
                            self.table.setItem(row, 1, value)

                    if theory.basis.ecp:
                        for ecp in theory.basis.ecp:
                            row = self.table.rowCount()
                            self.table.insertRow(row)

                            item = QTableWidgetItem()
                            if ecp.elements is None:
                                item.setData(Qt.DisplayRole, "ECP")
                            else:
                                item.setData(Qt.DisplayRole,
                                             "ECP %s" % " ".join(ecp.elements))
                            self.table.setItem(row, 0, item)

                            value = QTableWidgetItem()
                            value.setData(Qt.DisplayRole, ecp.name)
                            self.table.setItem(row, 1, value)

            elif (hasattr(fr.other[info], "__iter__")
                  and all(isinstance(x, float) for x in fr.other[info])
                  and len(fr.other[info]) > 1):
                row = self.table.rowCount()
                self.table.insertRow(row)

                item = QTableWidgetItem()
                info_name = info.replace("_", " ")
                vals = fr.other[info]
                if "rotational_temperature" in info:
                    info_name = info_name.replace(
                        "temperature",
                        "constants (%s)" % self.settings.rot_const)
                    if self.settings.rot_const == "GHz":
                        vals = [
                            x * PHYSICAL.KB / (PHYSICAL.PLANCK * (10**9))
                            for x in vals
                        ]

                item.setData(Qt.DisplayRole, info_name)
                self.table.setItem(row, 0, item)

                value = QTableWidgetItem()
                value.setData(Qt.DisplayRole,
                              ", ".join(["%.4f" % x for x in vals]))
                self.table.setItem(row, 1, value)

        if "frequency" in fr.other:
            self.tabs.setTabEnabled(1, True)
            freq_data = fr.other['frequency'].data

            for i, mode in enumerate(freq_data):
                row = self.freq_table.rowCount()
                self.freq_table.insertRow(row)

                freq = FreqTableWidgetItem()
                freq.setData(
                    Qt.DisplayRole, "%.2f%s" %
                    (abs(mode.frequency), "i" if mode.frequency < 0 else ""))
                freq.setData(Qt.UserRole, i)
                self.freq_table.setItem(row, 0, freq)

                if mode.symmetry:
                    text = mode.symmetry
                    if re.search("\d", text):
                        text = re.sub(r"(\d+)", r"<sub>\1</sub>", text)
                    if text.startswith("SG"):
                        text = "Σ" + text[2:]
                    elif text.startswith("PI"):
                        text = "Π" + text[2:]
                    elif text.startswith("DLT"):
                        text = "Δ" + text[3:]
                    if any(text.endswith(char) for char in "vhdugVHDUG"):
                        text = text[:-1] + "<sub>" + text[-1].lower(
                        ) + "</sub>"

                    label = QLabel(text)
                    label.setAlignment(Qt.AlignCenter)
                    self.freq_table.setCellWidget(row, 1, label)

                intensity = QTableWidgetItem()
                if mode.intensity is not None:
                    intensity.setData(Qt.DisplayRole, round(mode.intensity, 2))
                self.freq_table.setItem(row, 2, intensity)

                forcek = QTableWidgetItem()
                if mode.forcek is not None:
                    forcek.setData(Qt.DisplayRole, round(mode.forcek, 2))
                self.freq_table.setItem(row, 3, forcek)

            if fr.other["frequency"].anharm_data:
                self.fundamental_table.setVisible(True)
                self.combo_table.setVisible(True)

                freq = fr.other["frequency"]
                self.tabs.setTabEnabled(2, True)
                anharm_data = sorted(
                    freq.anharm_data,
                    key=lambda x: x.harmonic_frequency,
                )

                for i, mode in enumerate(anharm_data):
                    row = self.fundamental_table.rowCount()
                    self.fundamental_table.insertRow(row)

                    fund = FreqTableWidgetItem()
                    fund.setData(
                        Qt.DisplayRole,
                        "%.2f%s" % (abs(mode.frequency),
                                    "i" if mode.frequency < 0 else ""))
                    fund.setData(Qt.UserRole, i)
                    self.fundamental_table.setItem(row, 0, fund)

                    delta_anh = QTableWidgetItem()
                    delta_anh.setData(Qt.DisplayRole, round(mode.delta_anh, 2))
                    self.fundamental_table.setItem(row, 1, delta_anh)

                    intensity = QTableWidgetItem()
                    if mode.intensity is not None:
                        intensity.setData(Qt.DisplayRole,
                                          round(mode.intensity, 2))
                    self.fundamental_table.setItem(row, 2, intensity)

                    for overtone in mode.overtones:
                        row = self.combo_table.rowCount()
                        self.combo_table.insertRow(row)

                        fund = FreqTableWidgetItem()
                        fund.setData(
                            Qt.DisplayRole,
                            "%.2f%s" % (abs(mode.frequency),
                                        "i" if mode.frequency < 0 else ""))
                        fund.setData(Qt.UserRole, i)
                        self.combo_table.setItem(row, 0, fund)

                        fund = FreqTableWidgetItem()
                        fund.setData(Qt.UserRole, i)
                        self.combo_table.setItem(row, 1, fund)

                        ot = FreqTableWidgetItem()
                        ot.setData(
                            Qt.DisplayRole,
                            "%.2f%s" % (abs(overtone.frequency),
                                        "i" if overtone.frequency < 0 else ""))
                        ot.setData(Qt.UserRole, i)
                        self.combo_table.setItem(row, 2, ot)

                        intensity = QTableWidgetItem()
                        if overtone.intensity is not None:
                            intensity.setData(Qt.DisplayRole,
                                              round(overtone.intensity, 2))
                        self.combo_table.setItem(row, 3, intensity)

                    for key in mode.combinations:
                        for combination in mode.combinations[key]:
                            row = self.combo_table.rowCount()
                            self.combo_table.insertRow(row)

                            fund = FreqTableWidgetItem()
                            fund.setData(
                                Qt.DisplayRole,
                                "%.2f%s" % (abs(mode.frequency),
                                            "i" if mode.frequency < 0 else ""))
                            fund.setData(Qt.UserRole, i)
                            self.combo_table.setItem(row, 0, fund)

                            other_freq = freq.anharm_data[key].frequency
                            fund = FreqTableWidgetItem()
                            fund.setData(
                                Qt.DisplayRole,
                                "%.2f%s" % (abs(other_freq),
                                            "i" if other_freq < 0 else ""))
                            fund.setData(Qt.UserRole,
                                         i + len(freq.anharm_data) * key)
                            self.combo_table.setItem(row, 1, fund)

                            combo = FreqTableWidgetItem()
                            combo.setData(
                                Qt.DisplayRole, "%.2f%s" %
                                (abs(combination.frequency),
                                 "i" if combination.frequency < 0 else ""))
                            combo.setData(Qt.UserRole, i)
                            self.combo_table.setItem(row, 2, combo)

                            intensity = QTableWidgetItem()
                            if combination.intensity is not None:
                                intensity.setData(
                                    Qt.DisplayRole,
                                    round(combination.intensity, 2))
                            self.combo_table.setItem(row, 3, intensity)

            else:
                self.fundamental_table.setVisible(False)
                self.combo_table.setVisible(False)
                self.tabs.setTabEnabled(2, False)

        else:
            self.fundamental_table.setVisible(False)
            self.combo_table.setVisible(False)

            self.tabs.setTabEnabled(1, False)
            self.tabs.setTabEnabled(2, False)

        self.table.resizeColumnToContents(0)
        self.table.resizeColumnToContents(1)

        self.freq_table.resizeColumnToContents(0)
        self.freq_table.resizeColumnToContents(1)
        self.freq_table.resizeColumnToContents(2)

        self.apply_filter()