c中的setviewport函数 setviewport 函数设置图形输出的当前视口。 声明:void setviewport(int left, int top, int right, int bottom, int clip); setviewport 函数用于将绘图限制在屏幕上的特定部分。 例如,setviewport(100, 100, 200, 200, 1);将限制我们在矩形(100,100, 200, 200)内的绘图活动。left、top、...
The traceback() is virtually identical to that inR-devel: Error in grid.Call.graphics(C_setviewport, vp, TRUE) : VECTOR_ELT() can only be applied to a 'list', not a 'double' · Issue #3217 · tidyverse/ggplot2 · GitHub, which also references Issue#3215 > traceback() 25: grid....
Error in grid.Call.graphics(C_setviewport, vp, TRUE) : non-finite location and/or size for viewport In addition: There were 21 warnings (use warnings() to see them) > warnings() Warning messages: 1: In max(data$long) : no non-missing arguments to max; returning -Inf 2: In min(da...
Hello, I have been receiving the following error message while running metacoder: "Error in grid.Call.graphics(C_setviewport, vp, TRUE) : non-finite location and/or size for viewport" The puzzling part with this is that I am producing hu...
使用setViewportUpdateMode 可以显著影响 QGraphicsView 的性能。选择合适的更新模式可以优化性能,减少不必要的重绘,从而提高应用程序的响应速度和流畅度。然而,如果选择了不合适的更新模式,可能会导致性能下降,甚至出现闪烁或渲染错误等问题。因此,在使用 setViewportUpdateMode 时,需要根据具体的应用场景和需求来选择合适的...