[schange] can be built as an pd-vanilla abstraction using [select], see
attached.
tim vets wrote:
[nchange s]
gr,
Tim
2010/4/26 James Dunn <[email protected]>
Hi list,
is there something like a change object for symbols?
thanks
James
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#N canvas 0 0 450 300 10;
#X obj 127 62 loadbang;
#X obj 82 127 select s;
#X obj 75 37 route set;
#X obj 75 6 inlet;
#X obj 146 158 symbol;
#X obj 146 190 outlet;
#X obj 146 35 route bang;
#X obj 203 68 t a a;
#X obj 127 95 symbol \$1;
#X connect 0 0 8 0;
#X connect 1 1 4 0;
#X connect 2 0 8 0;
#X connect 2 1 6 0;
#X connect 3 0 2 0;
#X connect 4 0 5 0;
#X connect 6 0 4 0;
#X connect 6 1 7 0;
#X connect 7 0 8 0;
#X connect 7 1 1 0;
#X connect 8 0 1 1;
#X connect 8 0 4 1;
#N canvas 0 0 450 300 10;
#X obj 75 191 schange foo;
#X text 57 79 output current value;
#X symbolatom 75 118 10 0 0 0 - - -;
#X text 81 97 if different from current value \, output and set;
#X symbolatom 104 144 10 0 0 0 - - -;
#X msg 104 167 set \$1;
#X text 177 140 set the value;
#X text 154 196 creation argument initializes first value;
#X symbolatom 75 219 10 0 0 0 - - -;
#X obj 75 247 print;
#X obj 28 14 schange;
#X text 114 16 - ELIMINATE REDUNDANCY IN A SYMBOL STEAM;
#X msg 14 77 bang;
#X text 12 42 The schange object outputs its input only when it changes.
You can "set" the current value \, or bang to force output.;
#X connect 0 0 8 0;
#X connect 2 0 0 0;
#X connect 4 0 5 0;
#X connect 5 0 0 0;
#X connect 8 0 9 0;
#X connect 12 0 0 0;
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