[R] trellis device

Hello all, I used pushViewport to create a viewport with a 9*8 layout(using layout: lay<-grid.layout(9,8).) In each cell, I used lattice to draw plots. In the final output, if I used the trellis.device(),i.e., the default device, the 9*8 plots I intend to draw seem ok in terms of the letter size

[R] trellis device

Hello all, I used pushViewport to create a viewport with a 9*8 layout. In each cell, I used lattice to draw plots. In the final output, if I used the trellis.device(),i.e., the default device, the 9*8 plots I intend to draw seem ok in terms of the letter size and everything in each cell. But if i