FILTER 4DAn adjoint-free four-dimensional variational data

filter 4dA filter effect consists of a succession of graphic operations, applied to a source graphic, which produces a modified graphic. The result of the filter effect is rendered on the target device inYou most often create filters and formats in pairs — one for the entry filter and the other for the display format. To create a custom format or filter: Select Tool Box > Filters and Formats in