def __init__(self, pos=None, parent=None):
QGraphicsObject.__init__(self, parent=parent)
MapItem.__init__(self)
self.setZValue(200.0)
self._anchorPos = QPointF(pos) if pos is not None else QPointF(
10.0, 10.0)
self._border = QGraphicsRectItem(parent=self)
self._border.setPen(QPen(Qt.NoPen))
self._border.setBrush(QBrush(QColor(190, 190, 190, 160)))
self._entries = list()
self._entriesGroup = QGraphicsItemGroup(parent=self)
def __init__(self, longitudes, latitudes, parent=None):
QGraphicsItem.__init__(self, parent=parent)
MapItem.__init__(self)
assert len(longitudes) == len(latitudes)
assert len(longitudes) >= 2
self._longitudes = np.array(longitudes, dtype=np.float64)
self._latitudes = np.array(latitudes, dtype=np.float64)
# Setup internal lines
linesGroup = QGraphicsItemGroup(parent=self)
self._linesGroup = linesGroup
self._lines = [
QGraphicsLineItem(parent=linesGroup)
for i in iterRange(len(longitudes) - 1)
]
def drawRGBACrosshair(self):
"""
rgba_topline_item
rgba_botline_item
rgba_leftline_item
rgba_rightline_item:
rgba_crosshair_item_circle: center portion of crosshair
"""
# vertical line
self.rgba_topline_item = DualColoredLineSegment()
self.rgba_topline_item.setLine(0, 0, 0, self.height())
self.rgba_botline_item = DualColoredLineSegment()
self.rgba_botline_item.setLine(0, 0, 0, self.height())
# horizontal line
self.rgba_leftline_item = DualColoredLineSegment()
self.rgba_leftline_item.setLine(0, 0, self.width(), 0)
self.rgba_rightline_item = DualColoredLineSegment()
self.rgba_rightline_item.setLine(0, 0, self.width(), 0)
# crosshair circle
self.rgba_crosshair_item_circle = QGraphicsEllipseItem()
self.rgba_crosshair_item_circle.setRect(
-(self.CROSSHAIR_RADIUS * 0.5),
-(self.CROSSHAIR_RADIUS * 0.5),
self.CROSSHAIR_RADIUS,
self.CROSSHAIR_RADIUS
)
# add items
self.rgba_crosshair_item = QGraphicsItemGroup()
self.rgba_crosshair_item.addToGroup(self.rgba_crosshair_item_circle)
self.rgba_crosshair_item.addToGroup(self.rgba_topline_item)
self.rgba_crosshair_item.addToGroup(self.rgba_botline_item)
self.rgba_crosshair_item.addToGroup(self.rgba_leftline_item)
self.rgba_crosshair_item.addToGroup(self.rgba_rightline_item)
self.addItem(self.rgba_crosshair_item)
