[PD] Data structs delete

[João Miguel Pais]

Hi,

I have a window with several structures, including a structure that makes  
a grid line. I must change the scaling of that window quite often (with  
donecanvasdialog), in order to see the structs in diffferent ways. but the  
grid remains always the same as it was in the original scaling, nomatter  
how it changes. For example, if the grid is made with scaling at 1, if I  
zoom out the grid gets quite dense, and the contrary.

what I wanted to know is: is there a way to selectively delete structures?  
a unappend?

Joao

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