Pyqtgraph heatmap.

Pyqtgraph heatmap Reload to refresh your session. graphicsItems. Feb 19, 2023 · 目录一、效果展示二、资料参考三、实例详解四、自定义案例一、效果展示开门见山，上效果：窗口共有三个部分图2为所有数据画出的折线图图1为图2的蓝色矩形区域处的放大显示右上角的图例可以根据鼠标在图1中的移动，实时显示鼠标所在x轴处的折线y值二、资料参考 pyqtgraph的examples的 PyQtGraph's ImageView widget includes a histogram with: a moveable region that defines dark and light levels. py文件 4、在main文件中渲染画布、创建初始数据、画热力图、创建更新数据线程、绑定按钮触发事件 Dec 5, 2021 · 1. cm. PyQtGraph is a pure-python graphics and GUI library built on PyQt / PySide and numpy. This is a heat map visualization graphic user interface developed with PyQt4 GUI and Pyqtgraph libraries. PyQtGraph’s Widgets#. The application can receive the data of 64 values from the serial port and display the values with the corresponding colors on a 16*4 grid, named as "heat map" here. If you want to display data from common image and video file formats, you will need to load the data first using another library (PIL works well for images and built-in numpy conversion). uhrv jamyzy vsnia umucrnxf lvywbz idonzva zol shdp ysznx eepxge egnfan gcsdpko uccqbc bbwye ezshq