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Use if condition for a graph builder

Hi, I have been trying for a while to write a code in JSL where depending on the value of certain variable, the graph obtained from graph builder changes.

 

My particular example right now is pretty simple, I have a check box and depending on the user selection (checked/unchecked) I want to add or remove groups into the graph using the local filter. Here is a very simple example

 

dt = Open( "$SAMPLE_DATA/Analgesics.jmp" );
// Open Analgesics

cb = 1; // Predefined value<BR /><BR />// Check box to Remove group A from the graph
usw = New Window("Ignore A?", << Modal,
      //Check Box defaulted to checked ignore
        checkIgnore = check box({"Ignore A?"}, 
         << Set(1,1), 
         cb = checkIgnore << Get())
    );
    
// Answer to Cancel or close buttons
If( usw["button"] == -1, throw("User cancelled") );
    
show(cb); // I can see how the value of cb changes between 0 and 1

nw = New Window( "Example Report",
// Box plot with dots
   dot_box_plot = dt << Graph Builder(
    Show Control Panel( 0 ),
    Show Legend( 0 ),
    Show Title( 0 ),
    Variables( X(:drug ), Y( :pain ), Color(:drug ) ),
    Elements( Position( 1, 1 ), Points( X, Y, Legend( 2 ) ), Box Plot( X, Y, Legend( 3 ) ) ),
    Elements( Position( 2, 1 ), Points( X, Y, Legend( 2 ) ), Box Plot( X, Y, Legend( 3 ) ) ),
    SendToReport( Dispatch( {}, "X title", TextEditBox, {Set Text( "" )} ) ),
    
    /* This is the part that I'd like to make interactive
    to keep or remove A-group from the plot depending on
    user selection */
    if(cb == 1,
     Local Data Filter(
      Close Outline( 1 ),
      Add Filter( columns( :drug ), 
       Where( :Drug != "A" )
      )
     )
    )    
   )
);

As you can see, there should be something wrong in my part with the if statement because nothing changes, the plot keeps all groups. And of course, when I remove only the IF() part, my plot ignores the group A.

 

I would be very thankful for any suggestions.

GraphicsScriptingRe: Use if condition for a graph builder

The preferred way to handle modifications to platform code, is to pass messages to the  platform after the initial processing of the platform.  Attempting to modify the platform statements becomes too messy and too erratic.

Below is your script modified to add the filter after the Graph Builder platform has run.  And then to hide the actual display of the Local Data Filter

Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA/Analgesics.jmp" );
// Open Analgesics

cb = 1; // Predefined value// Check box to Remove group A from the graph
usw = New Window( "Ignore A?",
 <<MODAL></MODAL>

Re: Use if condition for a graph builderGreat, it works. And thank you very much for the advice, it is good to know that the best strategy is to pass messages to the platform after the initial processing of the platform, it is what was giving me some troubles in my code in general. Noted now!