R: Not able to update a grid (grid package) in a shiny app -


I am using a function (such as pushViewport (), grobs, etc.), a shiny app from the grid package I find it in conspiracy server script using renderplot () it looks like this: 

  output $ myPlot & lt; - Render plot ({load ("list_with_grid_paramaters.RData") Source ("script_that_builds_the_grid.R"), width = 800, height = 800)

When I start the application, Makes the grid properly. In my app I can change the parameters of the grid and save it as a new list_with_grid_paramaters.RData . When I try to render the grid again (using an actionbutton) after changing the parameter, the plot is not updated.

Does anyone have an idea about what the matter can be here? Most appreciated!


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