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文章浏览阅读492次。https://charlottehong.blogspot.com/2018/05/ubuntu-linux-opencv341-contrib-c.html_ubuntu下编译opencv_contrib-4.0.0报错lfreetype -lharfbuzz ubuntu 1... ellipse(img, Point(460, 90), Size(60, 40), 45, 0, 360, Scalar(255, 255, 0), 2); / 不規則圖形 / Point points[1][5]; int x = 40, y = 540; points[0][0] = Point(0 + y, 50 + x); points[0][1]...

460:VTK是一个基于面向对象的开源三维绘图软件包,安装过程并不复杂,可由多种方法安装,如果想要安装自己想要的版本,编译安装是最好的方式,简单的cmake就可以编译... [1] https://kazenotaiyo.blogspot.jp/2010/06/installing-vtk-in-ubuntu-and-making.html [2] https://blog.csdn.net/fanhenghui/article/details/52025846