def paint_extent(self, rec):
self.roi_x_max = rec.xMaximum()
self.ui.XMaxLineEdit.setText(str(round(rec.xMaximum(), 3)))
self.roi_y_min = rec.yMinimum()
self.ui.YMinLineEdit.setText(str(round(rec.yMinimum(), 3)))
self.roi_x_min = rec.xMinimum()
self.ui.XMinLineEdit.setText(str(round(rec.xMinimum(), 3)))
self.roi_y_max = rec.yMaximum()
self.ui.YMaxLineEdit.setText(str(round(rec.yMaximum(), 3)))
if self.extent:
self.canvas.scene().removeItem(self.extent)
self.extent = None
self.extent = QgsRubberBand(self.canvas, True)
points = [
QgsPoint(self.roi_x_max, self.roi_y_min),
QgsPoint(self.roi_x_max, self.roi_y_max),
QgsPoint(self.roi_x_min, self.roi_y_max),
QgsPoint(self.roi_x_min, self.roi_y_min),
QgsPoint(self.roi_x_max, self.roi_y_min)
]
self.extent.setToGeometry(QgsGeometry.fromPolyline(points), None)
self.extent.setColor(QColor(227, 26, 28, 255))
self.extent.setWidth(5)
self.extent.setLineStyle(Qt.PenStyle(Qt.DashLine))
self.canvas.refresh()
def __init__(self, canvas, callback):
self.canvas = canvas
QgsMapTool.__init__(self, self.canvas)
self.callback = callback
self.rubberBand = QgsRubberBand(self.canvas, True)
self.rubberBand.setColor(QColor(227, 26, 28, 255))
self.rubberBand.setWidth(5)
self.rubberBand.setLineStyle(Qt.PenStyle(Qt.DashLine))
self.reset()
def setAvoidStyleSnapRubberBand(self):
self.rubberBand.setLineStyle(Qt.PenStyle(Qt.DashDotLine))
self.rubberBand.setBorderColor(QColor(255, 255, 0, 200))
self.rubberBand.setFillColor(QColor(255, 0, 0, 40))
def setAllowedStyleSnapRubberBand(self):
self.rubberBand.setLineStyle(Qt.PenStyle(Qt.SolidLine))
self.rubberBand.setBorderColor(QColor(255, 0, 0, 200))
self.rubberBand.setFillColor(QColor(255, 0, 0, 40))
