使用opengl 绘制的带余辉的扫描线线可以用于实现雷达ppi扫描线的动态绘制 -Opengl draw the line of scan lines with afterglow radar ppi scan lines can be used to dynamically draw

边学边编的基于opengl的的搜索雷达显示界面 -Learn while compiled based the opengl search radar interface

Qt+OpenGL做的蕾达显示程序，采用OpenGL的FBO和顶点、片段着色器特性实现了雷达余晖效果，PPI视图可以实现每秒渲染数十万点，不到3 cpu占用率。-Qt+OpenGL do Lleida display program, using the FBO and OpenGL vertex, fragment shader features to achieve a radar afterglow effect, PPI view can render hundreds of thous