def paint(self, painter, option, widget=None):
if not self.pixmap:
painter.setBrush(self.dragOver and self.color.light(130)
or self.color)
painter.drawRoundedRect(-10, -30, 20, 30, 25, 25,
QtCore.Qt.RelativeSize)
painter.setBrush(QtCore.Qt.white)
painter.drawEllipse(-7, -3 - 20, 7, 7)
painter.drawEllipse(0, -3 - 20, 7, 7)
painter.setBrush(QtCore.Qt.black)
painter.drawEllipse(-5, -1 - 20, 2, 2)
painter.drawEllipse(2, -1 - 20, 2, 2)
painter.setPen(QtGui.QPen(QtCore.Qt.black, 2))
painter.setBrush(QtCore.Qt.NoBrush)
painter.drawArc(-6, -2 - 20, 12, 15, 190 * 16, 160 * 16)
else:
painter.scale(.2272, .2824)
painter.drawPixmap(QtCore.QPointF(-15 * 4.4, -50 * 3.54),
self.pixmap)
def dropEvent(self, event):
"""dropEvent handler for the EditorSceneBackground.
If the dragged item is already on this scene, it moves the item.
If the dragged item is dragged from the library scene, a new item is
created."""
if event.mimeData().hasText():
tiType, tiId, ox, oy, point = event.mimeData().text().split("#")
if int(tiId) < 0:
event.setDropAction(Qt.CopyAction)
event.accept()
self.editor.createTrackItem(tiType, event.scenePos())
else:
event.setDropAction(Qt.MoveAction)
event.accept()
clickPos = QtCore.QPointF(float(ox), float(oy))
self.editor.moveTrackItem(tiId, event.scenePos(), clickPos,
point)
else:
event.ignore()
def addAlgorithm(self, alg, parametersMap, valuesMap, outputsMap,
dependencies):
self.algs.append(alg)
self.algParameters.append(parametersMap)
self.algOutputs.append(outputsMap)
self.dependencies.append(dependencies)
for value in valuesMap.keys():
self.paramValues[value] = valuesMap[value]
algPos = self.getPositionForAlgorithmItem()
self.algPos.append(algPos)
pos = {}
i = 0
from processing.modeler.ModelerGraphicItem import ModelerGraphicItem
for out in outputsMap:
pos[out] = algPos + QtCore.QPointF(
ModelerGraphicItem.BOX_WIDTH,
i * ModelerGraphicItem.BOX_HEIGHT)
i += 1
self.outputPos.append(pos)
def getTargetList(self): ## should probably do some caching here.
items = self.activeItems()
locations = []
occArea = QtGui.QPainterPath()
for i in items:
if isinstance(i, TargetOcclusion):
occArea |= i.mapToView(i.shape())
for i in items:
pts = i.listPoints()
for j in range(len(pts)):
p = pts[j]
point = QtCore.QPointF(p[0], p[1])
if occArea.contains(point):
i.setTargetPen(j, QtGui.QPen(QtGui.QColor(0,0,0,160)))
else:
locations.append(p)
i.setTargetPen(j, None)
return locations
def adjust(self):
if not self.source or not self.dest:
return
line = QtCore.QLineF(self.mapFromItem(self.source, 0, 0),
self.mapFromItem(self.dest, 0, 0))
length = line.length()
self.prepareGeometryChange()
if length > 20.0:
edgeOffset = QtCore.QPointF((line.dx() * 10) / length,
(line.dy() * 10) / length)
self.sourcePoint = line.p1() + edgeOffset
self.destPoint = line.p2() - edgeOffset
else:
self.sourcePoint = line.p1()
self.destPoint = line.p1()
def paintVerticalSection(self, painter, sectionRect, logicalLeafIndex, hv,
styleOptions, leafIndex):
oldBO = QtCore.QPointF(painter.brushOrigin())
left = sectionRect.x()
indexes = self.parentIndexes(leafIndex)
for i in range(len(indexes)):
realStyleOptions = QtGui.QStyleOptionHeader(styleOptions)
#if( i<indexes.size()-1
# &&
# ( realStyleOptions.state.testFlag(QStyle::State_Sunken)
# || realStyleOptions.state.testFlag(QStyle::State_On)))
#{
# QStyle::State t(QStyle::State_Sunken | QStyle::State_On);
# realStyleOptions.state&=(~t);
#}
left = self.paintVerticalCell(painter, hv, indexes[i], leafIndex,
logicalLeafIndex, realStyleOptions,
sectionRect, left)
painter.setBrushOrigin(oldBO)
def update(self, dt_):
"""Updates the position of the robot.
"""
# Make shortcuts for wheel radius and base length (m)
R = self._robot.info()["wheels"]["radius"]
L = self._robot.info()["wheels"]["baseLength"]
# Make shortcuts for wheels velocity (rad/s)
vel_l = self._robot.getLeftWheelSpeed()
vel_r = self._robot.getRightWheelSpeed()
# Convert to robot speed and angular velocity (in m and rad/s)
v, w = self.diff2Uni(vel_l, vel_r)
# Current angle of the robot (rad)
theta = self._robot.angle()
# Position of the robot in the scene referential
x,y = self._robot.pos().x(), self._robot.pos().y()
# Calculate robot's position and angle increment
if w == 0:
dtheta = 0
x += v*cos(theta)*dt_
y += v*sin(theta)*dt_
else:
dtheta = w*dt_
x += 2*v/w*cos(theta + dtheta/2)*sin(dtheta/2)
y += 2*v/w*sin(theta + dtheta/2)*sin(dtheta/2)
theta += dtheta
# Update number of revolutions
l_rev = self._robot.leftRevolutions() + vel_l*dt_/2/pi
r_rev = self._robot.rightRevolutions() + vel_r*dt_/2/pi
# Set revolutions
self._robot.setLeftRevolutions(l_rev)
self._robot.setRightRevolutions(r_rev)
# Set new robot positions
self._robot.setPos(QtCore.QPointF(x, y))
self._robot.setAngle((theta + pi)%(2*pi) - pi)
def setPos(self, *pos):
# print time.time(),'posSET'
# if self.moved != None:
# return
if len(pos) == 1:
pos = pos[0]
elif len(pos) == 2:
pos = QtCore.QPointF(*pos)
_from = self.pos()
to = pos
if self.moved == None:
QtGui.QGraphicsObject.setPos(self, pos)
if self.animation and _from != to:
self.POSanimation(_from, to)
else:
self.POSanim.stop()
def renderEdge(self, eid, einfo, points):
scene = self.scene()
# If we have been drawn already, get rid of it.
gproxy = einfo.get('gproxy')
if gproxy:
scene.removeItem(gproxy)
qpoints = [QtCore.QPointF(x, y) for (x, y) in points]
qpoly = QtGui.QPolygonF(qpoints)
ecolor = self._vg_graph.getMeta('edgecolor', '#000')
ecolor = einfo.get('color', ecolor)
pen = QtGui.QPen(QtGui.QColor(ecolor))
gproxy = self.scene().addPolygon(qpoly, pen=pen)
gproxy.setZValue(-1.0)
einfo['gproxy'] = gproxy
def _paintAlternate(self, painter):
altHeight = self.parentItem().alternateHeight()
spacing = self._qScore.scale
painter.setPen(self._qScore.palette().text().color())
painter.drawLine(0, self._base, self.width() - spacing * 2, self._base)
painter.drawLine(0, self._base, 0,
altHeight - spacing * 2 + self._base)
font = painter.font()
font.setItalic(True)
painter.setFont(font)
if self._alternate is None:
self._alternate = QtCore.QRectF(0, 0, 0, 0)
text = self._measure.alternateText
textWidth = QtGui.QFontMetrics(font).width(text)
self._alternate.setSize(QtCore.QSizeF(textWidth, altHeight))
bottomLeft = QtCore.QPointF(2 * spacing,
altHeight - spacing + self._base)
self._alternate.setBottomLeft(bottomLeft)
painter.drawText(2 * spacing, altHeight - spacing + self._base, text)
def writeEdge(edge, width, color, moveBy):
qpolf = QtGui.QPolygonF(len(edge))
for i, (x, y) in enumerate(edge):
qpolf[i] = QtCore.QPointF(x, y) + moveBy
result = "\n"
if qpolf.size() == 2:
result += '<line x1="' + str(qpolf[0].x()) + '" y1="' + str(
qpolf[0].y()) + '" '
result += 'x2="' + str(qpolf[1].x()) + '" y2="' + str(qpolf[1].y())
elif qpolf.size() > 2:
result += '<polyline points="' + str(qpolf[0].x()) + '" y1="' + str(
qpolf[0].y())
for pos in range(1, qpolf.size()):
result += ' ' + str(qpolf[pos].x()) + '" y1="' + str(
qpolf[pos].y())
result += '"\n style="stroke:' + color + '; stroke-width:' + str(
width if width > 0 else 0.5) + ';\n'
result += ' stroke-linejoin:bevel; stroke-linecap:butt;"/>\n'
return result
def __init__(self, input, output, value, parent):
QtGui.QAbstractSlider.__init__(self, parent)
#log.debug("MixerNode.__init__( %i, %i, %i, %s )" % (input, output, value, str(parent)) )
self.pos = QtCore.QPointF(0, 0)
self.input = input
self.output = output
self.setOrientation(Qt.Qt.Vertical)
self.setRange(0, pow(2, 16) - 1)
self.setValue(value)
self.connect(self, QtCore.SIGNAL("valueChanged(int)"),
self.internalValueChanged)
self.setSmall(False)
self.bgcolors = ColorForNumber()
self.bgcolors.addColor(0.0, QtGui.QColor(0, 0, 0))
self.bgcolors.addColor(1.0, QtGui.QColor(0, 0, 128))
self.bgcolors.addColor(math.pow(2, 6), QtGui.QColor(0, 255, 0))
self.bgcolors.addColor(math.pow(2, 14), QtGui.QColor(255, 255, 0))
self.bgcolors.addColor(math.pow(2, 16) - 1, QtGui.QColor(255, 0, 0))
self.setContextMenuPolicy(Qt.Qt.ActionsContextMenu)
self.mapper = QtCore.QSignalMapper(self)
self.connect(self.mapper, QtCore.SIGNAL("mapped(const QString&)"),
self.directValues)
self.spinbox = QtGui.QDoubleSpinBox(self)
self.spinbox.setRange(-40, 12)
self.spinbox.setSuffix(" dB")
self.connect(self.spinbox,
QtCore.SIGNAL("valueChanged(const QString&)"),
self.directValues)
action = QtGui.QWidgetAction(self)
action.setDefaultWidget(self.spinbox)
self.addAction(action)
for text in ["3 dB", "0 dB", "-3 dB", "-20 dB", "-inf dB"]:
action = QtGui.QAction(text, self)
self.connect(action, QtCore.SIGNAL("triggered()"), self.mapper,
QtCore.SLOT("map()"))
self.mapper.setMapping(action, text)
self.addAction(action)
def read_points_Blines(self):
f=open('%s/B_lines_file.txt'%PATH)
maxnum_x,minnum_x,maxnum_y,minnum_y=self.find_max_min('%s/pde_p.txt'%PATH)#这里由于数据格式问题，使用模型中的最大最小值，而非剖分文件中的值
window_width,window_height=self.find_geometry_size()
Qtpoints=[]
for a in f:
a=a.split('\t')
b=[float(i) for i in a]
point_num=len(b)
for i in range(0,point_num,4):
qpoints=[]
for m in range(0,2):
qpoint=QtCore.QPointF()
qpoint.setX((b[i+2*m]-minnum_x)*window_width/(maxnum_x-minnum_x))
qpoint.setY((window_height-(b[i+1+2*m]-minnum_y)*window_height/(maxnum_y-minnum_y)))
qpoints.append(qpoint)
Qtpoints.append(qpoints)
f.close()
return Qtpoints
def fitAirfoilInView(self):
if len(self.parent.airfoils) == 0:
return
nothing_selected = True
for id, airfoil in enumerate(self.parent.airfoils):
if airfoil.contour_item.isSelected():
nothing_selected = False
break
if nothing_selected:
id = 0
# get bounding rect in scene coordinates
item = self.parent.airfoils[id].contour_item
rectf = item.boundingRect()
rf = copy.deepcopy(rectf)
# scale by 2% (seems to be done also by scene.itemsBoundingRect())
# after loading a single airfoil this leads to the same zoom as
# if onViewAll was called
center = rf.center()
w = 1.02 * rf.width()
h = 1.02 * rf.height()
rf.setWidth(w)
rf.setHeight(h)
# shift center of rectf
cx = center.x()
# not easy to understand (at least for me)
# this is needed due to the Airfoil.shiftContours() function
cy = center.y() + item.pos().y()
rf.moveCenter(QtCore.QPointF(cx, cy))
self.parent.view.fitInView(rf, mode=QtCore.Qt.KeepAspectRatio)
# adjust airfoil marker size to MARKERSIZE setting
self.parent.view.adjustMarkerSize()
# cache view to be able to keep it during resize
self.parent.view.getSceneFromView()
def addControlConnectorShape(self, blockPath, distanceToCenter,
appendRight):
# get the initial point info and set the currentConnectorPath to use the self._lineTo self._curveTo methods
self.startPoint = blockPath.currentPosition()
self.socketPoint = QtCore.QPointF(
self.startPoint.x() +
(distanceToCenter if appendRight else -distanceToCenter),
self.startPoint.y())
self.currentConnectorPath = blockPath
if (appendRight):
#then the centerPoint is to the right of the current location on the generalPath
self._lineTo(
distanceToCenter - BlockConnectorShape.CONTROL_PLUG_WIDTH / 2,
0)
# update starting point for self._curveTo
self.startPoint = blockPath.currentPosition()
self._curveTo(BlockConnectorShape.CONTROL_PLUG_WIDTH / 2,
BlockConnectorShape.CONTROL_PLUG_HEIGHT * 4 / 3,
BlockConnectorShape.CONTROL_PLUG_WIDTH / 2,
BlockConnectorShape.CONTROL_PLUG_HEIGHT * 4 / 3,
BlockConnectorShape.CONTROL_PLUG_WIDTH, 0)
else:
# then the centerPoint is to the left of the current location on the generalPath
self._lineTo(
-distanceToCenter + BlockConnectorShape.CONTROL_PLUG_WIDTH / 2,
0)
#update starting point for self._curveTo
self.startPoint = blockPath.currentPosition()
self._curveTo(-BlockConnectorShape.CONTROL_PLUG_WIDTH / 2,
BlockConnectorShape.CONTROL_PLUG_HEIGHT * 4 / 3,
-BlockConnectorShape.CONTROL_PLUG_WIDTH / 2,
BlockConnectorShape.CONTROL_PLUG_HEIGHT * 4 / 3,
-BlockConnectorShape.CONTROL_PLUG_WIDTH, 0)
# to catch bugs
self.currentConnectorPath = None
return self.socketPoint
def ball_grav(self):
imp = ch.pm.Vec2d(0,-700)
imp.rotate(self.little_ball.chipBody.getAngleToWorldPoint((380,-450)))
imp.rotate(ch.math.pi/2)
imp=imp+ch.pm.Vec2d(0,-200)
#print(imp, self.little_ball.chipBody.getAngleToWorldPoint((380,-450)))
self.little_ball.chipBody.apply_absolute_impulse_at_local_point(imp,(0,0))
self.little_ball.chipBody.angle = self.little_ball.chipBody.getAngleToWorldPoint((380,-450)) - ch.math.pi/8
if self.getTimerManager().getTimerDelayPassed('DOT'):
dot = QtGui.QGraphicsEllipseItem(QtCore.QRectF(0,0,5,5), scene = self)
dot.setBrush(QtGui.QColor(0,0,0))
x,y = self.little_ball.chipBody.position
dot.setPos(QtCore.QPointF(x-2,y-2))
self.dots.append(dot)
if len(self.dots) > 400:
d=self.dots.pop(0)
self.dots[10].setBrush(QtGui.QColor(255,255,255))
self.dots[10].setPen(QtGui.QColor(255,255,255))
self.dots[25].setBrush(QtGui.QColor(0,0,200))
self.dots[25].setPen(QtGui.QColor(0,0,200))
self.dots[35].setBrush(QtGui.QColor(0,200,0))
self.dots[35].setPen(QtGui.QColor(0,200,0))
self.dots[45].setBrush(QtGui.QColor(200,200,0))
self.dots[45].setPen(QtGui.QColor(200,200,0))
self.dots[55].setBrush(QtGui.QColor(255,0,0))
self.dots[55].setPen(QtGui.QColor(255,0,0))
self.removeItem(d)
'''
vec = -800
an = self.v_bod.chipBody.angle
self.v_bod.getChipBody().apply_impulse_at_local_point((vec*ch.math.cos(ch.math.pi/2-an), vec*ch.math.sin(ch.math.pi/2-an)),(75,20))
'''
pass
def set_position(self, x=None, y=None):
if x is None:
x = self.v_line.getXPos()
if y is None:
y = self.h_line.getYPos()
item_coords = self.imageItem.getViewBox().mapFromViewToItem(
self.imageItem, QtCore.QPointF(x, y))
#item_coords = self.imageItem.mapFromScene(mouse_event)
item_x, item_y = item_coords.x(), item_coords.y()
max_x, max_y = self.imageItem.image.shape
if item_x < 0 or item_x > max_x or item_y < 0 or item_y > max_y:
return
self.v_line.setPos(x)
self.h_line.setPos(y)
#(min_view_x, max_view_x), (min_view_y, max_view_y) = self.imageItem.getViewBox().viewRange()
self.x_cross_index = max(min(int(item_x), max_x - 1), 0)
self.y_cross_index = max(min(int(item_y), max_y - 1), 0)
z_val = self.imageItem.image[self.x_cross_index, self.y_cross_index]
self.update_cross_section()
def __init__(self, simulation, parameters):
""" Constructor for the SignalItem class."""
super().__init__(simulation, parameters)
reverse = parameters["reverse"]
self.tiType = "S"
signalTypeName = parameters["signaltype"]
self._signalType = simulation.signalTypes[signalTypeName]
self._routesSetParams = eval(str(parameters["routesset"])) or {}
self._trainNotPresentParams = eval(str(parameters["trainpresent"])) \
or {}
try:
xb = float(parameters["xn"])
except TypeError:
xb = self.origin.x() - 40
try:
yb = float(parameters["yn"])
except TypeError:
yb = self.origin.y() + 5
self._berthOrigin = QtCore.QPointF(xb, yb)
self._berthRect = None
self.setBerthRect()
self._activeAspect = self._signalType.getDefaultAspect()
self._reverse = reverse
self._previousActiveRoute = None
self._nextActiveRoute = None
self._trainId = None
self.defaultZValue = 50
sgi = helper.TrackGraphicsItem(self, SignalItem.SIGNAL_GRAPHIC_ITEM)
sgi.setPos(self.origin)
sgi.setCursor(Qt.PointingHandCursor)
sgi.setToolTip(self.toolTipText)
sgi.setZValue(self.defaultZValue)
if reverse:
sgi.setRotation(180)
self._gi[SignalItem.SIGNAL_GRAPHIC_ITEM] = sgi
self.simulation.registerGraphicsItem(sgi)
bgi = helper.TrackGraphicsItem(self, SignalItem.BERTH_GRAPHIC_ITEM)
bgi.setPos(self._berthOrigin)
bgi.setCursor(Qt.PointingHandCursor)
bgi.setZValue(self.defaultZValue)
self._gi[SignalItem.BERTH_GRAPHIC_ITEM] = bgi
self.simulation.registerGraphicsItem(bgi)
self.updateGraphics()
def snap_point(self, position):
point = Point(position.x(), position.y())
w = 2
h = 2
for graphics_item in self.scene().items(point.x - w / 2.0,
point.y - h / 2.0, w, h):
if graphics_item == self:
continue
if graphics_item.is_selectable:
road_item = graphics_item.road_item
if hasattr(road_item, "position"):
if point.distance(road_item.position) < 1.0:
return road_item.position
else:
for p in road_item.polyline:
if point.distance(p) < 1.0:
return QtCore.QPointF(p.x, p.y)
return None
def paintEvent(self, event):
painter = QtGui.QPainter(self)
painter.setRenderHint(painter.Antialiasing)
rect = event.rect()
gauge_rect = QtCore.QRect(rect)
size = gauge_rect.size()
pos = gauge_rect.center()
gauge_rect.moveCenter(
QtCore.QPoint(pos.x() - size.width(),
pos.y() - size.height()))
gauge_rect.setSize(size * .9)
gauge_rect.moveCenter(pos)
refill_rect = QtCore.QRect(gauge_rect)
size = refill_rect.size()
pos = refill_rect.center()
refill_rect.moveCenter(
QtCore.QPoint(pos.x() - size.width(),
pos.y() - size.height()))
# smaller than .9 == thicker gauge
refill_rect.setSize(size * .9)
refill_rect.moveCenter(pos)
painter.setPen(QtCore.Qt.NoPen)
painter.drawPixmap(rect, self._bg)
painter.save()
grad = QtGui.QConicalGradient(QtCore.QPointF(gauge_rect.center()),
270.0)
grad.setColorAt(.75, QtCore.Qt.green)
grad.setColorAt(.5, QtCore.Qt.yellow)
grad.setColorAt(.25, QtCore.Qt.red)
painter.setBrush(grad)
painter.drawPie(gauge_rect, 225.0 * 16, self._value * 16)
painter.restore()
painter.setBrush(QtGui.QBrush(self._bg.scaled(rect.size())))
painter.drawEllipse(refill_rect)
super(GaugeWidget, self).paintEvent(event)
def paintEvent(self, event):
"""Draw little circles in the position of the Calpha atoms of p."""
diameter = 2
avgCalphaDistance = 4
zmin = -avgCalphaDistance * len(self.protein)
zmax = avgCalphaDistance * len(self.protein)
self.calphaList.sort(self.atomZSort)
painter = QtGui.QPainter(self)
painter.setRenderHint(QtGui.QPainter.Antialiasing, 1)
painter.translate(self.width() / 2, self.height() / 2)
xscale = 1.5 * self.width() / (avgCalphaDistance * len(self.protein))
yscale = 1.5 * self.height() / (avgCalphaDistance * len(self.protein))
scale = min(xscale, yscale)
painter.scale(scale, scale)
myGradient = QtGui.QRadialGradient(QtCore.QPointF(0, 0), 72)
myGradient.setColorAt(0, QtCore.Qt.white)
myGradient.setColorAt(1, QtCore.Qt.black)
painter.setBrush(QtGui.QBrush(myGradient))
painter.translate(-self.centralAtom.position()[0], -self.centralAtom.position()[1])
for a in self.calphaList:
pos = a.position()
if pos[2] < zmin:
zscale = 0.1
elif pos[2] > zmax:
zscale = 5.0
else:
zscale = (pos[2] - zmin) / (zmax - zmin) * 4.9 + 0.1
painter.save()
painter.translate(pos[0], pos[1])
painter.scale(zscale * diameter / 100, zscale * diameter / 100)
painter.drawEllipse(-50, -50, 100, 100)
painter.restore()
painter.setWorldMatrixEnabled(0)
painter.drawText(5,self.height() -5 , QtCore.QString("E=%s" % self.protein.energy()))
painter.setWorldMatrixEnabled(1)
def __init__(self, obj, parent=None, scene=None,\
brush=QtGui.QBrush(), pen=QtGui.QPen(Qt.blue, 0, Qt.SolidLine)) :
"""Adds QGraphics(Rect)Item to the scene.
Parameters
obj : QPointF or shape type e.g. QRectF
obj is QPointF - shape parameters are defined at first mouse click
obj is QRectF - it will be drawn as is
"""
GUDragBase.__init__(self, parent, brush, pen)
rect = None
if isinstance(obj, QtCore.QPointF):
rect = QtCore.QRectF(obj, obj + QtCore.QPointF(5, 5))
self._mode = ADD
elif isinstance(obj, QtCore.QRectF):
rect = obj
else:
print 'GUDragRect - wrong init object type:', str(obj)
parent_for_base = None
QGraphicsRectItem.__init__(self, rect, parent_for_base, scene)
if self._mode == ADD:
self.grabMouse() # makes available mouseMoveEvent
self.setAcceptHoverEvents(True)
#self.setAcceptTouchEvents(True)
self.setAcceptedMouseButtons(Qt.LeftButton)
self.setPen(self._pen_pos)
self.setBrush(self._brush)
# Flags: ItemIsPanel, ItemClipsChildrenToShape, ItemIsSelectable,
# ItemIsMovable, itemClipsToShape, ItemSendsScenePositionChanges
self.setFlags(self.ItemIsSelectable)
#self.setEnabled(False) # is visible, but do not receive events
#self.setVisible(False) # is not visible, do not receive events
#self.setSelected(True)
self.setHandlesChildEvents(True) # will responsive to child events
def plot_all_events(self, rp_model, rp_view):
"""
* Description: Issues a command to rp_view to add a new event_plot_item.
* Return:
* Arguments:
- event: The event to be plotted.
"""
events = rp_model._event_manager._events
# Tell rp view to plot the event
for event in events:
rp_view.plot_new_event(event._data, event._duration, event._amplitude, \
rp_model._event_manager.is_selected(event))
# Select all events
self.select_all_events(rp_model, rp_view)
# Set targeted event
self.change_targeted_event(rp_model, rp_view, rp_model._event_manager._targeted_event)
# Set stats roi
durs = [event._duration for event in rp_model._event_manager._events]
amps = [event._amplitude for event in rp_model._event_manager._events]
p0 = (min(durs), min(amps))
#p1 = (min(durs), max(amps))
size = (max(durs), max(amps))
#p2 = (max(durs), max(amps))
#p3 = (max(durs), min(amps))
handles = rp_view._stats_plot_roi.getHandles()
rp_view._stats_plot_roi.movePoint(handles[0], pg.Point(QtCore.QPointF(p0[0], p0[1])))
rp_view._stats_plot_roi.setSize(size)
#rp_view._stats_plot_roi.movePoint(handles[1], pg.Point(QtCore.QPointF(p1[0], p1[1])))
#rp_view._stats_plot_roi.movePoint(handles[2], pg.Point(QtCore.QPointF(p2[0], p2[1])))
#rp_view._stats_plot_roi.movePoint(handles[3], pg.Point(QtCore.QPointF(p3[0], p3[1])))
print type(handles[0])
return
def adjust(self):
"""
Adjust length and angle of edge based on movement of nodes.
"""
if not self.source or not self.dest:
return
line = QtCore.QLineF(self.mapFromItem(self.source, 0, 0), self.mapFromItem(self.dest, 0, 0))
self.setLine(line)
length = line.length()
if length == 0.0:
return
edgeOffset = QtCore.QPointF((line.dx() * 20) / length, (line.dy() * 20) / length)
self.prepareGeometryChange()
self.sourcePoint = line.p1() + edgeOffset
self.destPoint = line.p2() - edgeOffset
def make_rectangle_around_line(self,
point1,
point2,
extension=0.5,
width=3.0):
dx = point2.x - point1.x
dy = point2.y - point1.y
mag = math.hypot(dx, dy)
x = dx * extension / mag
y = dy * extension / mag
dx = dx * width / mag
dy = dy * width / mag
path = QtGui.QPainterPath(
QtCore.QPointF(point1.x - x - dy, point1.y - y + dx))
path.lineTo(point1.x - x + dy, point1.y - y - dx)
path.lineTo(point2.x + x + dy, point2.y + y - dx)
path.lineTo(point2.x + x - dy, point2.y + y + dx)
path.closeSubpath()
return path
def movePointInDirection(self, QPoint, direction):
moveBy = self.__config.getSize()
if direction == Direction.N:
newPosition = QPoint + QtCore.QPointF(0, -1 * moveBy)
if direction == Direction.NE:
newPosition = QPoint + QtCore.QPointF(moveBy, -1 * moveBy)
if direction == Direction.E:
newPosition = QPoint + QtCore.QPointF(moveBy, 0)
if direction == Direction.SE:
newPosition = QPoint + QtCore.QPointF(moveBy, 1 * moveBy)
if direction == Direction.S:
newPosition = QPoint + QtCore.QPointF(0, moveBy)
if direction == Direction.SW:
newPosition = QPoint + QtCore.QPointF(-1 * moveBy, moveBy)
if direction == Direction.W:
newPosition = QPoint + QtCore.QPointF(-1 * moveBy, 0)
if direction == Direction.NW:
newPosition = QPoint + QtCore.QPointF(-1 * moveBy, -1 * moveBy)
return newPosition
def load(self, device):
self.m_frames = []
stream = QtCore.QDataStream(device)
self.m_name = stream.readQString()
frameCount = stream.readInt()
for i in range(frameCount):
nodeCount = stream.readInt()
frame = Frame()
frame.setNodeCount(nodeCount)
for j in range(nodeCount):
pos = QtCore.QPointF()
stream >> pos
frame.setNodePos(j, pos)
self.m_frames.append(frame)
def paintEvent(self, paintevent):
"""Called whenever the widget needs to redraw"""
painter = QtGui.QPainter(self)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
rect = self.contentsRect()
painter.setPen(QtGui.QColor(255, 255, 255, 0))
painter.setClipRect(rect)
painter.translate(rect.center())
painter.rotate(self.step * self.inc)
self._drawCogwheel(painter)
r = (self.size / 2.0) * 0.3
painter.setBrush(QtGui.QBrush(self.color.light(150)))
painter.drawEllipse(QtCore.QPointF(0, 0), r, r)
if self.running:
self.inc += 1
def itemChange(self, change, value):
if (change == QtGui.QGraphicsItem.ItemPositionChange):
newpos = value.toPointF()
div = 0
if newpos.y() < self.pos().y():
div = 1
if newpos.y() > self.pos().y():
div = -1
hit = 0
rect = self.scene().sceneRect()
if (newpos.y() >= self.lower):
newpos.setY(self.lower)
hit = 1
if (newpos.y() <= self.upper):
newpos.setY(self.upper)
hit = 1
if not (hit):
self.attenChanged.emit(div)
return QtCore.QPointF(self.pos().x(), newpos.y())
return QtGui.QGraphicsItem.itemChange(self, change, value)
def DrawPolygon(self, vertices, color, shape=None, closed=True):
"""
Draw a wireframe polygon given the world vertices vertices (tuples) with the specified color.
"""
poly = QtGui.QPolygonF()
pen = QtGui.QPen(QtGui.QColor(*color.bytes))
for v in vertices:
poly += QtCore.QPointF(*v)
if closed:
item = self.scene.addPolygon(poly, pen=pen)
self.temp_items.append(item)
else:
path = QtGui.QPainterPath()
path.addPolygon(poly)
#contour=QtGui.QGraphicsPathItem(path)
#contour.setPen(pen)
item = self.scene.addPath(path, pen=pen)
self.temp_items.append(item)