def createInputWidgets(self, propertiesWidget):
inputsCategory = super(UIConstantNode,
self).createInputWidgets(propertiesWidget)
selector = QComboBox()
overrideType = QCheckBox()
for i in self._rawNode.pinTypes:
selector.addItem(i)
if self.input.dataType in self._rawNode.pinTypes:
selector.setCurrentIndex(
self._rawNode.pinTypes.index(self.input.dataType))
structSelector = QComboBox()
for i in [i.name for i in list(PinStructure)]:
structSelector.addItem(i)
overrideType.setChecked(self.input._rawPin.changeTypeOnConnection)
structSelector.setCurrentIndex(self.input._rawPin._currStructure)
selector.setEnabled(self.input._rawPin.changeTypeOnConnection)
overrideType.stateChanged.connect(selector.setEnabled)
overrideType.stateChanged.connect(self._rawNode.overrideTypeChanged)
selector.activated.connect(self._rawNode.updateType)
structSelector.activated.connect(self._rawNode.selectStructure)
structSelector.activated.connect(self.selectStructure)
inputsCategory.insertWidget(0, "DataType", selector)
inputsCategory.insertWidget(1, "Change Type On Connection",
overrideType)
inputsCategory.insertWidget(1, "Structure", structSelector)
class PercentVolumeBuried(ToolInstance):
help = "https://github.com/QChASM/SEQCROW/wiki/Buried-Volume-Tool"
SESSION_ENDURING = False
SESSION_SAVE = False
def __init__(self, session, name):
super().__init__(session, name)
self.tool_window = MainToolWindow(self)
self.settings = _VburSettings(self.session, name)
self.ligand_atoms = []
self._build_ui()
def _build_ui(self):
layout = QGridLayout()
tabs = QTabWidget()
calc_widget = QWidget()
calc_layout = QFormLayout(calc_widget)
settings_widget = QWidget()
settings_layout = QFormLayout(settings_widget)
steric_map_widget = QWidget()
steric_layout = QFormLayout(steric_map_widget)
cutout_widget = QWidget()
vol_cutout_layout = QFormLayout(cutout_widget)
layout.addWidget(tabs)
tabs.addTab(calc_widget, "calculation")
tabs.addTab(settings_widget, "settings")
tabs.addTab(steric_map_widget, "steric map")
tabs.addTab(cutout_widget, "volume cutout")
self.radii_option = QComboBox()
self.radii_option.addItems(["Bondi", "UMN"])
ndx = self.radii_option.findText(self.settings.radii, Qt.MatchExactly)
self.radii_option.setCurrentIndex(ndx)
settings_layout.addRow("radii:", self.radii_option)
self.scale = QDoubleSpinBox()
self.scale.setValue(self.settings.vdw_scale)
self.scale.setSingleStep(0.01)
self.scale.setRange(1., 1.5)
settings_layout.addRow("VDW scale:", self.scale)
set_ligand_atoms = QPushButton("set ligands to current selection")
set_ligand_atoms.clicked.connect(self.set_ligand_atoms)
set_ligand_atoms.setToolTip(
"specify atoms to use in calculation\n" +
"by default, all atoms will be used unless a single center is specified\n"
+
"in the case of a single center, all atoms except the center is used"
)
calc_layout.addRow(set_ligand_atoms)
self.set_ligand_atoms = set_ligand_atoms
self.radius = QDoubleSpinBox()
self.radius.setValue(self.settings.center_radius)
self.radius.setSuffix(" \u212B")
self.radius.setDecimals(1)
self.radius.setSingleStep(0.1)
self.radius.setRange(1., 15.)
settings_layout.addRow("radius around center:", self.radius)
self.method = QComboBox()
self.method.addItems(["Lebedev", "Monte-Carlo"])
self.method.setToolTip("Lebedev: deterministic method\n" +
"Monte-Carlo: non-deterministic method")
ndx = self.method.findText(self.settings.method, Qt.MatchExactly)
self.method.setCurrentIndex(ndx)
settings_layout.addRow("integration method:", self.method)
leb_widget = QWidget()
leb_layout = QFormLayout(leb_widget)
leb_layout.setContentsMargins(0, 0, 0, 0)
self.radial_points = QComboBox()
self.radial_points.addItems(["20", "32", "64", "75", "99", "127"])
self.radial_points.setToolTip(
"more radial points will give more accurate results, but integration will take longer"
)
ndx = self.radial_points.findText(self.settings.radial_points,
Qt.MatchExactly)
self.radial_points.setCurrentIndex(ndx)
leb_layout.addRow("radial points:", self.radial_points)
self.angular_points = QComboBox()
self.angular_points.addItems([
"110", "194", "302", "590", "974", "1454", "2030", "2702", "5810"
])
self.angular_points.setToolTip(
"more angular points will give more accurate results, but integration will take longer"
)
ndx = self.angular_points.findText(self.settings.angular_points,
Qt.MatchExactly)
self.angular_points.setCurrentIndex(ndx)
leb_layout.addRow("angular points:", self.angular_points)
settings_layout.addRow(leb_widget)
mc_widget = QWidget()
mc_layout = QFormLayout(mc_widget)
mc_layout.setContentsMargins(0, 0, 0, 0)
self.min_iter = QSpinBox()
self.min_iter.setValue(self.settings.minimum_iterations)
self.min_iter.setRange(0, 10000)
self.min_iter.setToolTip(
"each iteration is 3000 points\n" +
"iterations continue until convergence criteria are met")
mc_layout.addRow("minimum interations:", self.min_iter)
settings_layout.addRow(mc_widget)
if self.settings.method == "Lebedev":
mc_widget.setVisible(False)
elif self.settings.method == "Monte-Carlo":
leb_widget.setVisible(False)
self.report_component = QComboBox()
self.report_component.addItems(["total", "quadrants", "octants"])
ndx = self.report_component.findText(self.settings.report_component,
Qt.MatchExactly)
self.report_component.setCurrentIndex(ndx)
settings_layout.addRow("report volume:", self.report_component)
self.use_scene = QCheckBox()
self.use_scene.setChecked(self.settings.use_scene)
self.use_scene.setToolTip(
"quadrants/octants will use the orientation the molecule is displayed in"
)
settings_layout.addRow("use display orientation:", self.use_scene)
self.method.currentTextChanged.connect(
lambda text, widget=leb_widget: widget.setVisible(text == "Lebedev"
))
self.method.currentTextChanged.connect(
lambda text, widget=mc_widget: widget.setVisible(text ==
"Monte-Carlo"))
self.use_centroid = QCheckBox()
self.use_centroid.setChecked(self.settings.use_centroid)
self.use_centroid.setToolTip(
"place the center between selected atoms\n" +
"might be useful for polydentate ligands")
calc_layout.addRow("use centroid of centers:", self.use_centroid)
self.steric_map = QCheckBox()
self.steric_map.setChecked(self.settings.steric_map)
self.steric_map.setToolTip(
"produce a 2D projection of steric bulk\ncauses buried volume to be reported for individual quadrants"
)
steric_layout.addRow("create steric map:", self.steric_map)
self.num_pts = QSpinBox()
self.num_pts.setRange(25, 250)
self.num_pts.setValue(self.settings.num_pts)
self.num_pts.setToolTip("number of points along x and y axes")
steric_layout.addRow("number of points:", self.num_pts)
self.include_vbur = QCheckBox()
self.include_vbur.setChecked(self.settings.include_vbur)
steric_layout.addRow("label quadrants with %V<sub>bur</sub>",
self.include_vbur)
self.map_shape = QComboBox()
self.map_shape.addItems(["circle", "square"])
ndx = self.map_shape.findText(self.settings.map_shape, Qt.MatchExactly)
self.map_shape.setCurrentIndex(ndx)
steric_layout.addRow("map shape:", self.map_shape)
self.auto_minmax = QCheckBox()
self.auto_minmax.setChecked(self.settings.auto_minmax)
steric_layout.addRow("automatic min. and max.:", self.auto_minmax)
self.map_min = QDoubleSpinBox()
self.map_min.setRange(-15., 0.)
self.map_min.setSuffix(" \u212B")
self.map_min.setSingleStep(0.1)
self.map_min.setValue(self.settings.map_min)
steric_layout.addRow("minimum value:", self.map_min)
self.map_max = QDoubleSpinBox()
self.map_max.setRange(0., 15.)
self.map_max.setSuffix(" \u212B")
self.map_max.setSingleStep(0.1)
self.map_max.setValue(self.settings.map_max)
steric_layout.addRow("maximum value:", self.map_max)
self.num_pts.setEnabled(self.settings.steric_map)
self.steric_map.stateChanged.connect(
lambda state, widget=self.num_pts: widget.setEnabled(state == Qt.
Checked))
self.include_vbur.setEnabled(self.settings.steric_map)
self.steric_map.stateChanged.connect(
lambda state, widget=self.include_vbur: widget.setEnabled(
state == Qt.Checked))
self.map_shape.setEnabled(self.settings.steric_map)
self.steric_map.stateChanged.connect(
lambda state, widget=self.map_shape: widget.setEnabled(state == Qt.
Checked))
self.auto_minmax.setEnabled(self.settings.steric_map)
self.steric_map.stateChanged.connect(
lambda state, widget=self.auto_minmax: widget.setEnabled(
state == Qt.Checked))
self.map_min.setEnabled(not self.settings.auto_minmax
and self.settings.steric_map)
self.steric_map.stateChanged.connect(
lambda state, widget=self.map_min, widget2=self.auto_minmax: widget
.setEnabled(state == Qt.Checked and not widget2.isChecked()))
self.auto_minmax.stateChanged.connect(
lambda state, widget=self.map_min, widget2=self.steric_map: widget.
setEnabled(not state == Qt.Checked and widget2.isChecked()))
self.map_max.setEnabled(not self.settings.auto_minmax
and self.settings.steric_map)
self.steric_map.stateChanged.connect(
lambda state, widget=self.map_max, widget2=self.auto_minmax: widget
.setEnabled(state == Qt.Checked and not widget2.isChecked()))
self.auto_minmax.stateChanged.connect(
lambda state, widget=self.map_max, widget2=self.steric_map: widget.
setEnabled(not state == Qt.Checked and widget2.isChecked()))
self.display_cutout = QComboBox()
self.display_cutout.addItems(["no", "free", "buried"])
ndx = self.display_cutout.findText(self.settings.display_cutout,
Qt.MatchExactly)
self.display_cutout.setCurrentIndex(ndx)
self.display_cutout.setToolTip("show free or buried volume")
vol_cutout_layout.addRow("display volume:", self.display_cutout)
self.point_spacing = QDoubleSpinBox()
self.point_spacing.setDecimals(3)
self.point_spacing.setRange(0.01, 0.5)
self.point_spacing.setSingleStep(0.005)
self.point_spacing.setSuffix(" \u212B")
self.point_spacing.setValue(self.settings.point_spacing)
self.point_spacing.setToolTip(
"distance between points on cutout\n" +
"smaller spacing will narrow gaps, but increase time to create the cutout"
)
vol_cutout_layout.addRow("point spacing:", self.point_spacing)
self.intersection_scale = QDoubleSpinBox()
self.intersection_scale.setDecimals(2)
self.intersection_scale.setRange(1., 10.)
self.intersection_scale.setSingleStep(0.5)
self.intersection_scale.setSuffix("x")
self.intersection_scale.setToolTip(
"relative density of points where VDW radii intersect\n" +
"higher density will narrow gaps, but increase time to create cutout"
)
self.intersection_scale.setValue(self.settings.intersection_scale)
vol_cutout_layout.addRow("intersection density:",
self.intersection_scale)
self.cutout_labels = QComboBox()
self.cutout_labels.addItems(["none", "quadrants", "octants"])
ndx = self.cutout_labels.findText(self.settings.cutout_labels,
Qt.MatchExactly)
self.cutout_labels.setCurrentIndex(ndx)
vol_cutout_layout.addRow("label sections:", self.cutout_labels)
self.point_spacing.setEnabled(self.settings.display_cutout != "no")
self.intersection_scale.setEnabled(
self.settings.display_cutout != "no")
self.cutout_labels.setEnabled(self.settings.display_cutout != "no")
self.display_cutout.currentTextChanged.connect(
lambda text, widget=self.point_spacing: widget.setEnabled(text !=
"no"))
self.display_cutout.currentTextChanged.connect(
lambda text, widget=self.intersection_scale: widget.setEnabled(
text != "no"))
self.display_cutout.currentTextChanged.connect(
lambda text, widget=self.cutout_labels: widget.setEnabled(text !=
"no"))
calc_vbur_button = QPushButton(
"calculate % buried volume for selected centers")
calc_vbur_button.clicked.connect(self.calc_vbur)
calc_layout.addRow(calc_vbur_button)
self.calc_vbur_button = calc_vbur_button
remove_vbur_button = QPushButton(
"remove % buried volume visualizations")
remove_vbur_button.clicked.connect(self.del_vbur)
vol_cutout_layout.addRow(remove_vbur_button)
self.table = QTableWidget()
self.table.setColumnCount(3)
self.table.setHorizontalHeaderLabels(['model', 'center', '%Vbur'])
self.table.setSelectionBehavior(QTableWidget.SelectRows)
self.table.setEditTriggers(QTableWidget.NoEditTriggers)
self.table.resizeColumnToContents(0)
self.table.resizeColumnToContents(1)
self.table.resizeColumnToContents(2)
self.table.horizontalHeader().setSectionResizeMode(
0, QHeaderView.Interactive)
self.table.horizontalHeader().setSectionResizeMode(
1, QHeaderView.Interactive)
self.table.horizontalHeader().setSectionResizeMode(
2, QHeaderView.Stretch)
calc_layout.addRow(self.table)
menu = QMenuBar()
export = menu.addMenu("&Export")
clear = QAction("Clear data table", self.tool_window.ui_area)
clear.triggered.connect(self.clear_table)
export.addAction(clear)
copy = QAction("&Copy CSV to clipboard", self.tool_window.ui_area)
copy.triggered.connect(self.copy_csv)
shortcut = QKeySequence(Qt.CTRL + Qt.Key_C)
copy.setShortcut(shortcut)
export.addAction(copy)
self.copy = copy
save = QAction("&Save CSV...", self.tool_window.ui_area)
save.triggered.connect(self.save_csv)
#this shortcut interferes with main window's save shortcut
#I've tried different shortcut contexts to no avail
#thanks Qt...
#shortcut = QKeySequence(Qt.CTRL + Qt.Key_S)
#save.setShortcut(shortcut)
#save.setShortcutContext(Qt.WidgetShortcut)
export.addAction(save)
delimiter = export.addMenu("Delimiter")
comma = QAction("comma", self.tool_window.ui_area, checkable=True)
comma.setChecked(self.settings.delimiter == "comma")
comma.triggered.connect(lambda *args, delim="comma": self.settings.
__setattr__("delimiter", delim))
delimiter.addAction(comma)
tab = QAction("tab", self.tool_window.ui_area, checkable=True)
tab.setChecked(self.settings.delimiter == "tab")
tab.triggered.connect(lambda *args, delim="tab": self.settings.
__setattr__("delimiter", delim))
delimiter.addAction(tab)
space = QAction("space", self.tool_window.ui_area, checkable=True)
space.setChecked(self.settings.delimiter == "space")
space.triggered.connect(lambda *args, delim="space": self.settings.
__setattr__("delimiter", delim))
delimiter.addAction(space)
semicolon = QAction("semicolon",
self.tool_window.ui_area,
checkable=True)
semicolon.setChecked(self.settings.delimiter == "semicolon")
semicolon.triggered.connect(lambda *args, delim="semicolon": self.
settings.__setattr__("delimiter", delim))
delimiter.addAction(semicolon)
add_header = QAction("&Include CSV header",
self.tool_window.ui_area,
checkable=True)
add_header.setChecked(self.settings.include_header)
add_header.triggered.connect(self.header_check)
export.addAction(add_header)
comma.triggered.connect(
lambda *args, action=tab: action.setChecked(False))
comma.triggered.connect(
lambda *args, action=space: action.setChecked(False))
comma.triggered.connect(
lambda *args, action=semicolon: action.setChecked(False))
tab.triggered.connect(
lambda *args, action=comma: action.setChecked(False))
tab.triggered.connect(
lambda *args, action=space: action.setChecked(False))
tab.triggered.connect(
lambda *args, action=semicolon: action.setChecked(False))
space.triggered.connect(
lambda *args, action=comma: action.setChecked(False))
space.triggered.connect(
lambda *args, action=tab: action.setChecked(False))
space.triggered.connect(
lambda *args, action=semicolon: action.setChecked(False))
semicolon.triggered.connect(
lambda *args, action=comma: action.setChecked(False))
semicolon.triggered.connect(
lambda *args, action=tab: action.setChecked(False))
semicolon.triggered.connect(
lambda *args, action=space: action.setChecked(False))
menu.setNativeMenuBar(False)
self._menu = menu
layout.setMenuBar(menu)
menu.setVisible(True)
self.tool_window.ui_area.setLayout(layout)
self.tool_window.manage(None)
def clear_table(self):
are_you_sure = QMessageBox.question(
None,
"Clear table?",
"Are you sure you want to clear the data table?",
)
if are_you_sure != QMessageBox.Yes:
return
self.table.setRowCount(0)
def set_ligand_atoms(self):
self.ligand_atoms = selected_atoms(self.session)
self.session.logger.status("set ligand to current selection")
def calc_vbur(self):
args = dict()
cur_sel = selected_atoms(self.session)
if len(cur_sel) == 0:
return
models = []
for atom in cur_sel:
if atom.structure not in models:
models.append(atom.structure)
center = []
for atom in cur_sel:
center.append(atom)
args["center"] = center
radii = self.radii_option.currentText()
self.settings.radii = radii
args["radii"] = radii
scale = self.scale.value()
self.settings.vdw_scale = scale
args["scale"] = scale
radius = self.radius.value()
self.settings.center_radius = radius
args["radius"] = radius
steric_map = self.steric_map.checkState() == Qt.Checked
self.settings.steric_map = steric_map
args["steric_map"] = steric_map
use_scene = self.use_scene.checkState() == Qt.Checked
self.settings.use_scene = use_scene
args["useScene"] = use_scene
num_pts = self.num_pts.value()
self.settings.num_pts = num_pts
args["num_pts"] = num_pts
include_vbur = self.include_vbur.checkState() == Qt.Checked
self.settings.include_vbur = include_vbur
use_centroid = self.use_centroid.checkState() == Qt.Checked
self.settings.use_centroid = use_centroid
args["useCentroid"] = use_centroid
shape = self.map_shape.currentText()
self.settings.map_shape = shape
args["shape"] = shape
report_component = self.report_component.currentText()
self.settings.report_component = report_component
args["reportComponent"] = report_component
method = self.method.currentText()
self.settings.method = method
if method == "Lebedev":
args["method"] = "lebedev"
rad_pts = self.radial_points.currentText()
self.settings.radial_points = rad_pts
args["radialPoints"] = rad_pts
ang_pts = self.angular_points.currentText()
self.settings.angular_points = ang_pts
args["angularPoints"] = ang_pts
elif method == "Monte-Carlo":
args["method"] = "mc"
min_iter = self.min_iter.value()
self.settings.minimum_iterations = min_iter
args["minimumIterations"] = min_iter
display_cutout = self.display_cutout.currentText()
self.settings.display_cutout = display_cutout
if display_cutout != "no":
args["displaySphere"] = display_cutout
if display_cutout != "no":
point_spacing = self.point_spacing.value()
self.settings.point_spacing = point_spacing
args["pointSpacing"] = point_spacing
intersection_scale = self.intersection_scale.value()
self.settings.intersection_scale = intersection_scale
args["intersectionScale"] = intersection_scale
cutout_labels = self.cutout_labels.currentText()
self.settings.cutout_labels = cutout_labels
args["labels"] = cutout_labels
if len(self.ligand_atoms) > 0:
args["onlyAtoms"] = [a for a in self.ligand_atoms if not a.deleted]
if len(args["onlyAtoms"]) == 0:
args["onlyAtoms"] = None
auto_minmax = self.auto_minmax.checkState() == Qt.Checked
self.settings.auto_minmax = auto_minmax
if not auto_minmax:
map_max = self.map_max.value()
self.settings.map_max = map_max
map_min = self.settings.map_min
self.settings.map_min = map_min
info = percent_vbur_cmd(self.session,
models,
return_values=True,
**args)
# self.table.setRowCount(0)
if steric_map:
for mdl, cent, vbur, map_info in info:
row = self.table.rowCount()
self.table.insertRow(row)
m = QTableWidgetItem()
m.setData(Qt.DisplayRole, mdl.name)
self.table.setItem(row, 0, m)
c = QTableWidgetItem()
c.setData(Qt.DisplayRole, cent)
self.table.setItem(row, 1, c)
v = QTableWidgetItem()
if report_component == "octants":
v.setData(Qt.DisplayRole,
",".join(["%.1f" % x for x in vbur]))
elif report_component == "quadrants":
v.setData(
Qt.DisplayRole, ",".join("%.1f" % x for x in [
vbur[0] + vbur[7],
vbur[1] + vbur[6],
vbur[2] + vbur[5],
vbur[3] + vbur[4],
]))
else:
if hasattr(vbur, "__iter__"):
v.setData(Qt.DisplayRole, "%.1f" % sum(vbur))
else:
v.setData(Qt.DisplayRole, "%.1f" % vbur)
v.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
self.table.setItem(row, 2, v)
x, y, z, min_alt, max_alt = map_info
plot = self.tool_window.create_child_window(
"steric map of %s" % mdl.name, window_class=StericMap)
if auto_minmax:
plot.set_data(x, y, z, min_alt, max_alt, vbur, radius,
include_vbur)
else:
plot.set_data(x, y, z, map_min, map_max, vbur, radius,
include_vbur)
else:
for mdl, cent, vbur in info:
row = self.table.rowCount()
self.table.insertRow(row)
m = QTableWidgetItem()
m.setData(Qt.DisplayRole, mdl.name)
self.table.setItem(row, 0, m)
c = QTableWidgetItem()
c.setData(Qt.DisplayRole, cent)
self.table.setItem(row, 1, c)
v = QTableWidgetItem()
if report_component == "octants":
v.setData(Qt.DisplayRole,
",".join(["%.1f" % x for x in vbur]))
elif report_component == "quadrants":
v.setData(
Qt.DisplayRole, ",".join("%.1f" % x for x in [
vbur[0] + vbur[7],
vbur[1] + vbur[6],
vbur[2] + vbur[5],
vbur[3] + vbur[4],
]))
else:
if hasattr(vbur, "__iter__"):
v.setData(Qt.DisplayRole, "%.1f" % sum(vbur))
else:
v.setData(Qt.DisplayRole, "%.1f" % vbur)
v.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
self.table.setItem(row, 2, v)
self.table.resizeColumnToContents(1)
self.table.resizeColumnToContents(2)
def header_check(self, state):
"""user has [un]checked the 'include header' option on the menu"""
if state:
self.settings.include_header = True
else:
self.settings.include_header = False
def get_csv(self):
if self.settings.delimiter == "comma":
delim = ","
elif self.settings.delimiter == "space":
delim = " "
elif self.settings.delimiter == "tab":
delim = "\t"
elif self.settings.delimiter == "semicolon":
delim = ";"
if self.settings.include_header:
s = delim.join(["model", "center", "%Vbur"])
s += "\n"
else:
s = ""
for i in range(0, self.table.rowCount()):
s += delim.join([
item.data(Qt.DisplayRole)
for item in [self.table.item(i, j) for j in range(0, 3)]
])
s += "\n"
return s
def copy_csv(self):
app = QApplication.instance()
clipboard = app.clipboard()
csv = self.get_csv()
clipboard.setText(csv)
self.session.logger.status("copied to clipboard")
def save_csv(self):
"""save data on current tab to CSV file"""
filename, _ = QFileDialog.getSaveFileName(filter="CSV Files (*.csv)")
if filename:
s = self.get_csv()
with open(filename, 'w') as f:
f.write(s.strip())
self.session.logger.status("saved to %s" % filename)
def del_vbur(self):
for model in self.session.models.list(type=Surface):
if model.name.startswith("%Vbur") or model.name.startswith(
"%Vfree"):
model.delete()
def display_help(self):
"""Show the help for this tool in the help viewer."""
from chimerax.core.commands import run
run(self.session,
'open %s' % self.help if self.help is not None else "")
