Pyqtgraph targetitem. Qt import QtCore , QtGui from .
Pyqtgraph targetitem TargetItem (pos = None, size = 10, radii = None, symbol = 'crosshair', pen = None, hoverPen = None, brush = None, hoverBrush = None, movable = True, label = None, labelOpts = None) [source] ¶ Draws a draggable target symbol (circle plus crosshair). plot(), PlotWidget, and :meth :GraphicsLayout. The size of TargetItem will remain fixed on screen even as the view is zoomed TargetItem¶ class pyqtgraph. The color of the text (any format accepted by pg. clear [source] #. . It’s main functionality is: Manage placement of ViewBox, AxisItems, and LabelItems TargetItem# class pyqtgraph. Point import Point from . import functions as fn from . Feb 24, 2022 · 本文介绍了如何使用PyQtGraph库创建一个带有自定义旋转坐标轴的折线图，并实现可添加和移除标记的功能。通过自定义`RotateAxisItem`类实现了倾斜的横坐标轴，`PyQtGraphWidget`类则提供了添加、移除标记以及鼠标移动时显示数据信息的交互。 TargetItem¶ class pyqtgraph. The size of TargetItem will remain fixed on screen even as the view is zoomed Source code for pyqtgraph. GraphicsObject import GraphicsObject from . If specified, this overrides both text and color. mkPen. The size of TargetItem will remain fixed on screen even as the This class provides the ViewBox-plus-axes that appear when using pg. Get the QBrush used to draw the legend background. pyqtgraph是一个用于绘制图表和图形的库，是PyQt GUI开发框架的一个扩展。它使用了PyQt的图形组件，并提供了大量的绘图方法和功能。pyqtgraph可以用于绘制各种类型的图形，包括曲线图、散点图、柱状图和3D图形等。 TargetItem¶ class pyqtgraph. The size of TargetItem will remain fixed on screen even as the view is zoomed Back to top Ctrl+K. A QPointF or (x,y) sequence indicating what region of the text box will be anchored to the item’s position. text ( str or Callable , Optional ) – Governs the text displayed, can be a fixed string or a format string that accepts the x, and y position of the target item; or be a callable method that accepts a tuple (x, y) and returns a string to be displayed. This has two important consequences: 1) virtually anything you want to draw can be easily accomplished using the functionality provided by Qt. ViewBox brush [source] #. TargetItem import string from math import atan2 from . Getting Started User Guide Mar 9, 2022 · 玫瑰色是鼠标单击该点，获取当前点的风险与收益代码：import sysimport pandas as pdfrom PyQt5 import QtGui,QtWidgetsfrom PyQt5. If I add a target title, I can move it via click both on the target and on the text & drag. graphicsItems. TargetItem (pos = None, size = 10, symbol = 'crosshair', pen = None, hoverPen = None, brush = None, hoverBrush = None, movable = True, label = None, labelOpts = None) [source] ¶ Draws a draggable target symbol (circle plus crosshair). a record array of length M with fields (red, green, blue, alpha, width). addPlot() <pyqtgraph. color. GraphicsLayout. anchor : tuple or list or QPointF or QPoint Position to rotate the TargetLabel about, and position to set the offset value to see :class:`~pyqtgraph. a single argument to pass to pg. TextItem import TextItem from . anchor. pyqtgraph简介. TargetItem (pos = None, size = 10, symbol = 'crosshair', pen = None, hoverPen = None, brush = None, hoverBrush = None, movable = True, label = None, labelOpts = None) [source] # Draws a draggable target symbol (circle plus crosshair). Short description Adding a TargetItem t a seconda Default is None offset : tuple or list or QPointF or QPoint Position to set the anchor of the TargetLabel away from the center of the target in pixels, by default it is (20, 0). TextItem` for more Fast data visualization and GUI tools for scientific / engineering applications - pyqtgraph/pyqtgraph PyQtGraph’s Graphics Items# Since pyqtgraph relies on Qt’s GraphicsView framework, most of its graphics functionality is implemented as QGraphicsItem subclasses. TargetItem# class pyqtgraph. QtCore import Qtfrom typing import Any,Dictimport pyqtgraph a_pyqtgraph targetitem 2. ScatterPlotItem import Symbols from . The size of TargetItem will remain fixed on screen even as the view is zoomed PyQt pyqtgraph：缩放时维持TextItem的固定位置 在本文中，我们将介绍如何在使用PyQt和pyqtgraph库时，在缩放图形时保持TextItem的固定位置。 pyqtgraph是一个用于绘制科学数据的高性能图形库，而PyQt是一种基于Qt库的Python绑定，用于创建功能强大的图形界面。 QPen. UIGraphicsItem import UIGraphicsItem from . The text to display. Note that using this option may have a significant performance cost. mkColor) html. getLabel ( plotItem,) [source] # Return the labelItem inside the legend for a given plotItem Arguments: text. If I do the same on a 2 y axis, Click & Drag only works on the target symbol, but not the text. Remove all items from the legend. addPlot>. target (TargetItem) – The TargetItem to which this label will be attached to. Qt import QtCore , QtGui from . rdnngyforqergdftjqfhdbdkgmbhhxyoqnpvbrckwaxxlkqjnfjzjmnxl