Pyqtgraph infiniteline 0 places the text at the bottom or left of the view, respectively. normal(size=100, scale=10)) v_bar = pg. InfiniteLine是pyqtgraph库中的一个图形元素，用于在绘图窗口中绘制无限长的直线。它可以通过设置位置和角度来定义直线的位置和方向。可通过设置movable参数为True，使其可拖动。 A TextItem that attaches itself to an InfiniteLine. These components enable interactive data analysis by allowing users Nov 30, 2018 · InfiniteLine (angle = 90, movable = True) self. TextItem import TextItem from . evt. from pyqtgraph. A TextItem that attaches itself to an InfiniteLine. InfiniteLine(movable=True, angle=90) plot. A scatter type graph is similar to one where graphs are drawn, but where the connecting lines are between the i-point point and the i + 1-point point they are connected. connect(update)这样的事件 Fast data visualization and GUI tools for scientific / engineering applications - pyqtgraph/pyqtgraph Source code for pyqtgraph. GraphicsItem import GraphicsItem from . Fast data visualization and GUI tools for scientific / engineering applications - pyqtgraph/pyqtgraph 关于pg. So one way to do this: def setPosition (self, p): """Set the relative position (0. Point import Point from . Qt import QtGui , QtCore from . sigPositionChanged. 0 is horizontal; 90 is vertical. bounds [source] ¶. ViewBox import ViewBox from . Sep 22, 2023 · 回到咱们的 pyqtgraph 中，这玩意儿有着成熟的坐标转化方法，另外还可以极简的代码，绘制出工具曲线（比如本期的标尺类曲线）。建议靓仔女们先自己尝试学习官方教程里的 InfiniteLine 案例，官方案例的使用方式阅读专栏第二期。 前菜——点点 This document covers the interactive elements in PyQtGraph's 2D plotting system, specifically `InfiniteLine` and `LinearRegionItem`. InfiniteLine(angle=90, movable=True)被鼠标移动时，有没有办法获得事件？我使用像v_bar. This class extends TextItem with the following features: Automatically positions adjacent to the line at a fixed position along the line and within the view box. connect (self. GraphicsObject import GraphicsObject from . Jun 20, 2021 · 在pyqtgraph中，当v_bar = pg. graphicsItems. InfiniteLine # -*- coding: utf-8 -*- from . Qt import QtGui, QtCore import numpy as np import pyqtgraph as pg app = pg. crosshairx. 0-1. Aug 11, 2017 · Based on this example from docs. GraphicsLayoutWidget() win. import functions as fn import numpy as np import weakref bounds [source] ¶. 0) of this label within the view box and along the line. addPlot(y=np. mkQApp() win = pg. show() plot = win. addItem(v_bar) def handle_sig_dragged(obj): assert obj is v def setPosition (self, p): """Set the relative position (0. Remove all markers from this line. random. clearMarkers [source] ¶. . resize(1000, 600) win. Jun 21, 2021 · You can use the sigDragged signal as the docs point out:. For horizontal (angle=0) and vertical (angle=90) lines, a value of 0. Note also that mkPen does offer a dash argument that internally uses QPen. setDashPattern . _crosshairx_changed) # Keep track of index of currently selected x coordinate, so we can avoid doing # unnecessary updates when the infiniteline changes but the index of the # closest x/y data point is still the same Feb 9, 2022 · This can be done by specifying the pen used, either in constructing the InfiniteLine or calling setPen. We would like to show you a description here but the site won’t allow us. InfiniteLine的概念：pg. A TextItem that attaches itself to an InfiniteLine. Return the (minimum, maximum) values allowed when dragging. setAngle (angle) [source] ¶. Takes angle argument in degrees. bylif wxgebie ftvks igtvmp hdosx edsdoe rtuovw mirefa khawlww mmmi