If you want to use the selection feature but make the selection less visible, you could changing the style of how selected items apear in the heatmap:
![hogi_0-1668539841772.png hogi_0-1668539841772.png](https://community.jmp.com/t5/image/serverpage/image-id/47360iDF4E5B05C01AEEC3/image-size/medium?v=v2&px=400)
dt = Open( "$SAMPLE_DATA/Big Class.jmp" );
dt << Graph Builder(
Show Control Panel( 0 ),
Variables( X( :height ), Y( :weight ), Overlay( :sex ) ),
Elements( Heatmap( X, Y, Legend( 3 ) ) ),
SendToReport(
Dispatch(
{},
"Graph Builder",
FrameBox,
{Fill Selection Mode( "Selected Outlined" )}
)
)
)