def _getPositionsIntensities(self, sourceClass): for i,basis in enumerate(sourceClass._basis_dim):#range(self.nBasis): nearest_point=_utils.nearestPosition(self.basisMatrix[i],basis._recent_value) self._basis_dim[i]._recent_position = nearest_point self.positionsIntensities[0][0][i] = nearest_point
def mouseMoved(evt): if self.view.sceneBoundingRect().contains(evt.x(),evt.y()): mousePoint = self.view.vb.mapSceneToView(evt) self.indexX = mousePoint.x() self.indexY = mousePoint.y() #set text of crosshair if len(self.show_basis) == 1: if self.poi_show_pos: if self.transpose_axes: posY = _utils.nearestPosition( self.basisMatrix[self.show_merge[0]],self.indexY) else: posX = _utils.nearestPosition( self.basisMatrix[self.show_basis[0]],self.indexX) if self.poi_show_only_merge: self.poiText = "%0.5g" %self.indexY else: if self.poi_show_pos: if self.transpose_axes: self.poiText = "x=%0.5g\ny=%0.5g (%s)\n" %( self.indexX, self.indexY, posY) else: self.poiText = "x=%0.5g (%s)\ny=%0.5g\n" %( self.indexX,posX, self.indexY) else: self.poiText = "x=%0.5g\ny=%0.5g\n" %( self.indexX, self.indexY) elif len(self.show_basis) >= 2: if self.transpose_axes: posX = _utils.nearestPosition( self.basisMatrix[self.show_basis[1]],self.indexX) posY = _utils.nearestPosition( self.basisMatrix[self.show_basis[0]],self.indexY) else: posX = _utils.nearestPosition( self.basisMatrix[self.show_basis[0]],self.indexX) posY = _utils.nearestPosition( self.basisMatrix[self.show_basis[1]],self.indexY) z_value = self.plot.imageItem.image[posX][posY] if self.poi_show_only_merge: self.poiText = "%0.5g" %z_value else: if self.poi_show_pos: if self.transpose_axes: posXn = posX posX = posY posY = posXn self.poiText = "x=%0.5g (%s)\ny=%0.5g (%s)\nz=%0.5g" %( self.indexX, posX, self.indexY, posY, z_value) else: self.poiText = "x=%0.5g\ny=%0.5g\nz=%0.5g" %( self.indexX, self.indexY, z_value) self.crosshair.setText(self.poiText,color=(0,0,0) ) # set anchor of crosshair if evt.y() - 30 > self.crosshair.boundingRect().height(): self.anchorY = 1#at upper corner else: self.anchorY = 0 if (evt.x() + self.crosshair.boundingRect().width() > self.view.sceneBoundingRect().width()): self.anchorX = 1 #at right corner else: self.anchorX = 0 #set relative position of crosshair self.crosshair.anchor = pg.Point((self.anchorX,self.anchorY)) #set absolute position of crosshair self.crosshair.setPos(self.indexX,self.indexY) #move crosshair-lines to mousepos. self.vLine.setPos(self.indexX) self.hLine.setPos(self.indexY)
