def _anchor_circle(self, variables):
# minimum visible anchor radius (radius)
min_radius = self._get_min_radius()
axisitems = []
for anchor, var in zip(self.plotdata.axes, variables[:]):
axitem = AnchorItem(
line=QLineF(0, 0, *anchor),
text=var.name,
)
axitem.setVisible(np.linalg.norm(anchor) > min_radius)
axitem.setPen(pg.mkPen((100, 100, 100)))
axitem.setArrowVisible(True)
self.viewbox.addItem(axitem)
axisitems.append(axitem)
self.plotdata.axisitems = axisitems
if self.placement == self.Placement.Circular:
return
hidecircle = QGraphicsEllipseItem()
hidecircle.setRect(
QRectF(-min_radius, -min_radius, 2 * min_radius, 2 * min_radius))
_pen = QPen(Qt.lightGray, 1)
_pen.setCosmetic(True)
hidecircle.setPen(_pen)
self.viewbox.addItem(hidecircle)
self.plotdata.hidecircle = hidecircle
def _anchor_circle(self):
# minimum visible anchor radius (radius)
minradius = self.radius / 100 + 1e-5
for item in chain(self.plotdata.anchoritem, self.plotdata.items):
self.viewbox.removeItem(item)
self.plotdata.anchoritem = []
self.plotdata.items = []
for anchor, var in zip(self.plotdata.anchors, self.data.domain.attributes):
if True or np.linalg.norm(anchor) > minradius:
axitem = AnchorItem(
line=QLineF(0, 0, *anchor), text=var.name,)
axitem.setVisible(np.linalg.norm(anchor) > minradius)
axitem.setPen(pg.mkPen((100, 100, 100)))
axitem.setArrowVisible(True)
self.plotdata.anchoritem.append(axitem)
self.viewbox.addItem(axitem)
hidecircle = QGraphicsEllipseItem()
hidecircle.setRect(
QRectF(-minradius, -minradius,
2 * minradius, 2 * minradius))
_pen = QPen(Qt.lightGray, 1)
_pen.setCosmetic(True)
hidecircle.setPen(_pen)
self.viewbox.addItem(hidecircle)
self.plotdata.items.append(hidecircle)
self.plotdata.hidecircle = hidecircle
def update_anchors(self):
points, labels = self.master.get_anchors()
if points is None:
return
r = self.scaled_radius * np.max(np.linalg.norm(points, axis=1))
if self.anchor_items is None:
self.anchor_items = []
for point, label in zip(points, labels):
anchor = AnchorItem(line=QLineF(0, 0, *point))
anchor._label.setToolTip(f"<b>{label}</b>")
label = label[:MAX_LABEL_LEN - 3] + "..." if len(
label) > MAX_LABEL_LEN else label
anchor.setText(label)
anchor.setFont(self.parameter_setter.anchor_font)
visible = self.always_show_axes or np.linalg.norm(point) > r
anchor.setVisible(visible)
anchor.setPen(pg.mkPen((100, 100, 100)))
self.plot_widget.addItem(anchor)
self.anchor_items.append(anchor)
else:
for anchor, point, label in zip(self.anchor_items, points, labels):
anchor.setLine(QLineF(0, 0, *point))
visible = self.always_show_axes or np.linalg.norm(point) > r
anchor.setVisible(visible)
anchor.setFont(self.parameter_setter.anchor_font)
def _anchor_circle(self):
# minimum visible anchor radius (radius)
minradius = self.radius / 100 + 1e-5
for item in chain(self.plotdata.anchoritem, self.plotdata.items):
self.viewbox.removeItem(item)
self.plotdata.anchoritem = []
self.plotdata.items = []
for anchor, var in zip(self.plotdata.anchors,
self.data.domain.attributes):
if True or np.linalg.norm(anchor) > minradius:
axitem = AnchorItem(
line=QLineF(0, 0, *anchor),
text=var.name,
)
axitem.setVisible(np.linalg.norm(anchor) > minradius)
axitem.setPen(pg.mkPen((100, 100, 100)))
axitem.setArrowVisible(True)
self.plotdata.anchoritem.append(axitem)
self.viewbox.addItem(axitem)
hidecircle = QGraphicsEllipseItem()
hidecircle.setRect(
QRectF(-minradius, -minradius, 2 * minradius, 2 * minradius))
_pen = QPen(Qt.lightGray, 1)
_pen.setCosmetic(True)
hidecircle.setPen(_pen)
self.viewbox.addItem(hidecircle)
self.plotdata.items.append(hidecircle)
self.plotdata.hidecircle = hidecircle
def _anchor_circle(self, variables):
# minimum visible anchor radius (radius)
min_radius = self._get_min_radius()
axisitems = []
for anchor, var in zip(self.plotdata.axes, variables[:]):
axitem = AnchorItem(line=QLineF(0, 0, *anchor), text=var.name,)
axitem.setVisible(np.linalg.norm(anchor) > min_radius)
axitem.setPen(pg.mkPen((100, 100, 100)))
axitem.setArrowVisible(True)
self.viewbox.addItem(axitem)
axisitems.append(axitem)
self.plotdata.axisitems = axisitems
if self.placement == self.Placement.Circular:
return
hidecircle = QGraphicsEllipseItem()
hidecircle.setRect(QRectF(-min_radius, -min_radius, 2 * min_radius, 2 * min_radius))
_pen = QPen(Qt.lightGray, 1)
_pen.setCosmetic(True)
hidecircle.setPen(_pen)
self.viewbox.addItem(hidecircle)
self.plotdata.hidecircle = hidecircle
def _add_point_items(self):
r = self.radius / 100 + 1e-5
for point, var in zip(self._points, self._attributes):
axitem = AnchorItem(line=QLineF(0, 0, *point), text=var.name)
axitem.setVisible(np.linalg.norm(point) > r)
axitem.setPen(pg.mkPen((100, 100, 100)))
self.plot_widget.addItem(axitem)
self._point_items.append(axitem)
def update_anchors(self):
points, labels = self.master.get_anchors()
if points is None:
return
r = self.scaled_radius
if self.anchor_items is None:
self.anchor_items = []
for point, label in zip(points, labels):
anchor = AnchorItem(line=QLineF(0, 0, *point), text=label)
anchor.setVisible(np.linalg.norm(point) > r)
anchor.setPen(pg.mkPen((100, 100, 100)))
self.plot_widget.addItem(anchor)
self.anchor_items.append(anchor)
else:
for anchor, point, label in zip(self.anchor_items, points, labels):
anchor.setLine(QLineF(0, 0, *point))
anchor.setText(label)
anchor.setVisible(np.linalg.norm(point) > r)
def update_anchors(self):
points, labels = self.master.get_anchors()
if points is None:
return
r = self.scaled_radius
if self.anchor_items is None:
self.anchor_items = []
for point, label in zip(points, labels):
anchor = AnchorItem(line=QLineF(0, 0, *point), text=label)
anchor.setVisible(np.linalg.norm(point) > r)
anchor.setPen(pg.mkPen((100, 100, 100)))
self.plot_widget.addItem(anchor)
self.anchor_items.append(anchor)
else:
for anchor, point, label in zip(self.anchor_items, points, labels):
anchor.setLine(QLineF(0, 0, *point))
anchor.setText(label)
anchor.setVisible(np.linalg.norm(point) > r)