def _add_selection(self, item):
"""Add selection rooted at item
"""
outline = self._selection_poly(item)
selection_item = QGraphicsPolygonItem(self)
# selection_item = QGraphicsPathItem(self)
selection_item.setPos(self.contentsRect().topLeft())
# selection_item.setPen(QPen(Qt.NoPen))
selection_item.setPen(make_pen(width=1, cosmetic=True))
transform = self._itemgroup.transform()
path = transform.map(outline)
margin = 4
if item.node.is_leaf:
path = QPolygonF(path.boundingRect().adjusted(
-margin, -margin, margin, margin))
else:
pass
# ppath = QPainterPath()
# ppath.addPolygon(path)
# path = path_outline(ppath, width=margin).toFillPolygon()
selection_item.setPolygon(path)
# selection_item.setPath(path_outline(path, width=4))
selection_item.unscaled_path = outline
self._selection[item] = selection_item
item.setSelected(True)
def _add_selection(self, item):
"""Add selection rooted at item
"""
outline = self._selection_poly(item)
selection_item = QGraphicsPolygonItem(self)
# selection_item = QGraphicsPathItem(self)
selection_item.setPos(self.contentsRect().topLeft())
# selection_item.setPen(QPen(Qt.NoPen))
selection_item.setPen(make_pen(width=1, cosmetic=True))
transform = self._itemgroup.transform()
path = transform.map(outline)
margin = 4
if item.node.is_leaf:
path = QPolygonF(path.boundingRect()
.adjusted(-margin, -margin, margin, margin))
else:
pass
# ppath = QPainterPath()
# ppath.addPolygon(path)
# path = path_outline(ppath, width=margin).toFillPolygon()
selection_item.setPolygon(path)
# selection_item.setPath(path_outline(path, width=4))
selection_item.unscaled_path = outline
self._selection[item] = selection_item
item.setSelected(True)
def on_actionGotoCell_triggered(self):
cells = [str(cid) for cid in self._data.cells]
selected, ok = QInputDialog.getItem(self, "Goto cell",
"Select the cell to go to", cells,
0)
if ok:
cid = int(selected)
self.ui.actionAdd_cell.setChecked(True)
data = self._data
if cid not in data.cells:
return
ls = data.cells_lifespan[cid]
prev_pos = self._previousScene.current_data._current_index
cur_pos = self._currentScene.current_data._current_index
full_poly = data.cells[cid]
poly = [pid for pid in full_poly if pid in data[prev_pos]]
#log_debug("Cell %d on time %d: %s" % (cid, prev_pos, poly))
if prev_pos < ls.start or prev_pos >= ls.end or not poly:
for i in range(*ls.slice().indices(len(data))):
poly = [pid for pid in full_poly if pid in data[i]]
if poly:
log_debug("Found cell %d on image %d with polygon %s" %
(cid, i, poly))
new_prev_pos = i
break
else:
log_debug("Cell %d found nowhere in range %s!!!" %
(cid, ls.slice()))
else:
new_prev_pos = prev_pos
new_cur_pos = min(max(cur_pos + new_prev_pos - prev_pos, 0),
len(data))
self.ui.previousState.setCurrentIndex(new_prev_pos)
self.ui.currentState.setCurrentIndex(new_cur_pos)
self._previousScene.current_cell = cid
self._currentScene.current_cell = cid
prev_data = self._previousScene.current_data
poly = data.cells[cid]
prev_poly = QPolygonF(
[prev_data[ptid] for ptid in poly if ptid in prev_data])
prev_bbox = prev_poly.boundingRect()
log_debug("Previous bounding box = %dx%d+%d+%d" %
(prev_bbox.width(), prev_bbox.height(), prev_bbox.left(),
prev_bbox.top()))
self.ui.previousData.ensureVisible(prev_bbox)
def on_actionGotoCell_triggered(self):
cells = [str(cid) for cid in self._data.cells]
selected, ok = QInputDialog.getItem(self, "Goto cell", "Select the cell to go to", cells, 0)
if ok:
cid = int(selected)
self.ui.actionAdd_cell.setChecked(True)
data = self._data
if cid not in data.cells:
return
ls = data.cells_lifespan[cid]
prev_pos = self._previousScene.current_data._current_index
cur_pos = self._currentScene.current_data._current_index
full_poly = data.cells[cid]
poly = [pid for pid in full_poly if pid in data[prev_pos]]
#log_debug("Cell %d on time %d: %s" % (cid, prev_pos, poly))
if prev_pos < ls.start or prev_pos >= ls.end or not poly:
for i in range(*ls.slice().indices(len(data))):
poly = [pid for pid in full_poly if pid in data[i]]
if poly:
log_debug("Found cell %d on image %d with polygon %s" % (cid, i, poly))
new_prev_pos = i
break
else:
log_debug("Cell %d found nowhere in range %s!!!" % (cid, ls.slice()))
else:
new_prev_pos = prev_pos
new_cur_pos = min(max(cur_pos + new_prev_pos - prev_pos, 0), len(data))
self.ui.previousState.setCurrentIndex(new_prev_pos)
self.ui.currentState.setCurrentIndex(new_cur_pos)
self._previousScene.current_cell = cid
self._currentScene.current_cell = cid
prev_data = self._previousScene.current_data
poly = data.cells[cid]
prev_poly = QPolygonF([prev_data[ptid] for ptid in poly if ptid in prev_data])
prev_bbox = prev_poly.boundingRect()
log_debug("Previous bounding box = %dx%d+%d+%d" % (prev_bbox.width(), prev_bbox.height(),
prev_bbox.left(), prev_bbox.top()))
self.ui.previousData.ensureVisible(prev_bbox)
class EPoint(ENode):
def __init__(self, ENodeHandle):
ENode.__init__(self, ENodeHandle)
self.__polygon = QPolygonF(QRectF(-50, -15, 100, 30))
self.__updateShape()
self.__attributes = {}
self.__hiddenAttributes = {}
self.__group = QGraphicsItemGroup()
self.__group.addToGroup(QGraphicsPolygonItem(self.__polygon))
self.__buildAttributes(self.Handle.lsInputAttributes())
self.__buildAttributes(self.Handle.lsOutputAttributes(), True)
self.__muted = None
def __updateShape(self):
fBBox = QFontMetrics(self.Font).boundingRect(self.Name)
if self.__polygon.boundingRect().width() < fBBox.width():
self.__polygon = QPolygonF(QRectF(fBBox).normalized().adjusted(-fBBox.width() / 4,
-fBBox.height() / 4,
fBBox.height(),
fBBox.height() / 2))
def __buildAttributes(self, attributes, opposite=False):
rotation = 90
for index, point in enumerate(self.getPoints(len(attributes), opposite)):
switch = {0: point.y() - (8 + self.pen().width()), 1: point.y() + (5 + self.pen().width())}
connSlot = EDraw.Circle(8, 3, rotation).translated(QPointF(point.x(), switch[opposite]))
self.__group.addToGroup(QGraphicsPolygonItem(connSlot))
self.__attributes[connSlot] = dict({self.kGuiAttributeId: attributes[index].Id,
self.kGuiAttributeType: attributes[index].Type,
self.kGuiAttributeParent: self,
self.kGuiAttributePlug: self.Polygon.boundingRect().center(),
self.kGuiAttributeLongName: attributes[index].Name})
return
@property
def Polygon(self):
return self.__polygon
@property
def BoundPolygon(self):
return self.__polygon.boundingRect()
def mute(self, uuid):
self.__muted = uuid
def togglePlug(self, plugId):
hiddenId = self.mapFromId(plugId)[ENode.kGuiAttributeId]
if self.__hiddenAttributes.has_key(hiddenId):
self.__hiddenAttributes.pop(hiddenId, None)
return
self.__hiddenAttributes[self.mapFromId(plugId)[ENode.kGuiAttributeId]] = []
def mapFromPoint(self, QPoint):
for attrRect, attrValues in self.__attributes.iteritems():
if attrRect.boundingRect().contains(self.mapFromScene(QPoint)):
return attrValues[self.kGuiAttributeId], self.scenePos()
return self.Handle.Id, None
def mapFromId(self, attrId):
for attrValue in self.__attributes.itervalues():
if attrValue[self.kGuiAttributeId] == attrId:
return attrValue
return None
def boundingRect(self):
extra = self.pen().width()
return self.__group.boundingRect().normalized().adjusted(-extra, -extra, extra, extra)
def shape(self):
return QGraphicsItem.shape(self)
def getLines(self, count, opposite=False):
angleOffset = 25
inputLines = []
startAngle = QLineF(QPointF(0.0, 0.0), self.boundingRect().topRight()).angle() + angleOffset
endAngle = QLineF(QPointF(0.0, 0.0), self.boundingRect().topLeft()).angle() - angleOffset
if opposite:
startAngle = QLineF(QPointF(0.0, 0.0), self.boundingRect().bottomLeft()).angle() + angleOffset
endAngle = QLineF(QPointF(0.0, 0.0), self.boundingRect().bottomRight()).angle() - angleOffset
step = (endAngle - startAngle) / (count - 1)
for x in range(0, count):
tLine = QLineF(QPointF(0.0, 0.0), QPointF(0, 100))
tLine.setAngle(startAngle)
inputLines.append(tLine)
startAngle += step
return inputLines
def getPoints(self, count, opposite=False):
result = []
line = QLineF(self.__polygon.boundingRect().topLeft(), self.__polygon.boundingRect().topRight())
if opposite:
line = QLineF(self.__polygon.boundingRect().bottomLeft(), self.__polygon.boundingRect().bottomRight())
step = 1.0 / (count + 1)
currentStep = step
for x in range(0, count):
result.append(line.pointAt(currentStep))
currentStep += step
return result
def paint(self, painter, option, widget=None):
painter.setPen(self.pen())
painter.setBrush(EDraw.EColor.DefaultTitleColor)
painter.drawRoundedRect(self.__polygon.boundingRect(), 3, 3)
painter.setPen(EDraw.EColor.DefaultTitleTextColor)
painter.drawText(self.__polygon.boundingRect(), Qt.AlignCenter, self.Name)
for connSlot, connData in self.__attributes.iteritems():
if connData[self.kGuiAttributeId] != self.__muted and connData[self.kGuiAttributeId] not in self.__hiddenAttributes.keys():
painter.drawPolygon(connSlot)
painter.setBrush(Qt.NoBrush)
class PositionMarker(QgsMapCanvasItem):
'''
MapCanvasItem for showing the MobileItem on the MapCanvas
Can have different appearences, fixed ones like corss, x or box
or a userdefined shape.
Can display also a label on the canvas
'''
def __init__(self, canvas, params={}):
'''
Constructor
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
:param params: A dictionary defining all the properties of the position marker
:type params: dictionary
'''
self.canvas = canvas
self.type = params.get('type', 'BOX').upper()
self.size = int(params.get('size', 16))
self.showLabel = bool(params.get('showLabel', True))
s = (self.size - 1) / 2
self.length = float(params.get('length', 98.0))
self.width = float(params.get('width', 17.0))
self.offsetX = float(params.get('offsetX', 0.0))
self.offsetY = float(params.get('offsetY', 0.0))
self.shape = params.get('shape', ((0.0, -0.5), (0.5, -0.3), (0.5, 0.5),
(-0.5, 0.50), (-0.5, -0.3)))
self.paintShape = QPolygonF(
[QPointF(-s, -s),
QPointF(s, -s),
QPointF(s, s),
QPointF(-s, s)])
self.color = self.getColor(params.get('color', 'black'))
self.fillColor = self.getColor(params.get('fillColor', 'lime'))
self.penWidth = int(params.get('penWidth', 1))
spw = s + self.penWidth + 1
self.bounding = QRectF(-spw, -spw, spw * 2, spw * 2)
if self.type in ('CROSS', 'X'):
self.penWidth = 5
self.trackLen = int(params.get('trackLength', 100))
self.trackColor = self.getColor(
params.get('trackColor', self.fillColor))
self.track = deque()
self.position = None
self.heading = 0
super(PositionMarker, self).__init__(canvas)
self.setZValue(int(params.get('zValue', 100)))
self.distArea = QgsDistanceArea()
self.distArea.setEllipsoid(u'WGS84')
self.distArea.setEllipsoidalMode(True)
if self.showLabel:
self.label = MarkerLabel(self.canvas, params)
self.label.setZValue(self.zValue() + 0.1)
self.updateSize()
def properties(self):
return {
'type': self.type,
'size': self.size,
'length': self.length,
'width': self.width,
'offsetX': self.offsetX,
'offsetY': self.offsetY,
'shape': self.shape,
'color': self.color.rgba(),
'fillColor': self.fillColor.rgba(),
'penWidth': self.penWidth,
'trackLength': self.trackLen,
'trackColor': self.trackColor.rgba(),
'zValue': self.zValue(),
'showLabel': self.showLabel
}
def setMapPosition(self, pos):
if self.position != pos:
self.updateTrack()
self.position = pos
self.setPos(self.toCanvasCoordinates(self.position))
if self.showLabel:
self.label.setMapPosition(pos)
self.update()
def newHeading(self, heading):
if self.heading != heading:
self.heading = heading
self.setRotation(self.canvas.rotation() + self.heading)
self.update()
def resetPosition(self):
self.position = None
if self.showLabel:
self.label.resetPoition()
def updatePosition(self):
if self.position:
self.prepareGeometryChange()
self.updateSize()
self.setPos(self.toCanvasCoordinates(self.position))
self.setRotation(self.canvas.rotation() + self.heading)
def updateMapMagnification(self):
self.updatePosition()
if self.showLabel:
self.label.updatePosition()
for tp in self.track:
tp[0].updatePosition()
def updateSize(self):
if self.type != 'SHAPE':
return
s = self.canvas.mapSettings()
self.distArea.setSourceCrs(s.destinationCrs())
try:
p1 = self.toMapCoordinates(QPoint(0, 0))
p2 = self.toMapCoordinates(QPoint(0, 100))
l = self.distArea.measureLine(p1, p2)
f = 100 / l
except:
f = s.outputDpi() / 0.0254 / s.scale()
paintLength = max(self.length * f, 50)
paintWidth = paintLength * self.width / self.length
offsY = self.offsetX / self.length * paintLength
offsX = self.offsetY / self.width * paintWidth
self.paintShape.clear()
for v in self.shape:
self.paintShape << QPointF(v[0] * paintWidth - offsX,
v[1] * paintLength + offsY)
self.size = max(paintLength, paintWidth)
self.bounding = self.paintShape.boundingRect()
def newTrackPoint(self, pos):
tp = QgsVertexMarker(self.canvas)
tp.setCenter(pos)
tp.setIconType(QgsVertexMarker.ICON_CROSS)
tp.setColor(self.trackColor)
tp.setZValue(self.zValue() - 0.1)
tp.setIconSize(3)
tp.setPenWidth(3)
return tp
def updateTrack(self):
if self.position and self.trackLen:
if len(self.track) >= self.trackLen:
tpr = self.track.popleft()
self.canvas.scene().removeItem(tpr[0])
del (tpr)
tp = self.newTrackPoint(self.position)
self.track.append((tp, self.position))
def setVisible(self, visible):
for tp in self.track:
tp[0].setVisible(visible)
QgsMapCanvasItem.setVisible(self, visible)
if self.showLabel:
self.label.setVisible(visible)
def deleteTrack(self):
for tp in self.track:
self.canvas.scene().removeItem(tp[0])
self.track.clear()
def setTrack(self, track):
self.track.clear()
for tp in track:
tpn = self.newTrackPoint(tp)
self.track.append((tpn, tp))
def paint(self, painter, xxx, xxx2):
if not self.position:
return
s = (self.size - 1) / 2
pen = QPen(self.color)
pen.setWidth(self.penWidth)
painter.setPen(pen)
if self.type == 'CROSS':
painter.drawLine(QLineF(-s, 0, s, 0))
painter.drawLine(QLineF(0, -s, 0, s))
elif self.type == 'X':
painter.drawLine(QLineF(-s, -s, s, s))
painter.drawLine(QLineF(-s, s, s, -s))
elif self.type == 'BOX':
brush = QBrush(self.fillColor)
painter.setBrush(brush)
painter.drawConvexPolygon(self.paintShape)
elif self.type == 'SHAPE':
painter.setRenderHint(QPainter.Antialiasing, True)
brush = QBrush(self.fillColor)
painter.setBrush(brush)
painter.drawConvexPolygon(self.paintShape)
def boundingRect(self):
return self.bounding
def getColor(self, value):
try:
return QColor.fromRgba(int(value))
except ValueError:
return QColor(value)
def removeFromCanvas(self):
self.deleteTrack()
if self.showLabel:
self.canvas.scene().removeItem(self.label)
self.canvas.scene().removeItem(self)