/usr/lib/pd/extra/pmpd/pmpd~-help.pd is in pd-pmpd 0.9-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | #N canvas 247 25 766 656 10;
#X msg 103 243 inForce \$1 \$2 \$3;
#X msg 30 74 reset;
#X text 77 75 Clear everything;
#X msg 44 100 mass \$1 \$2;
#X text 135 99 Create a mass with argument : weight of the mass \,
initial position. A mass with no weight will not move.;
#X text 153 6 pmpd~ : 1d particular physical modeling for audio synthesis
;
#X text 181 138 connect 2 masses (\$1 and \$2) \, with a link rigidity
\$3 and damping \$4;
#X msg 70 171 NLlink \$1 \, \$2 \, \$3 \, \$4 \, \$5 \, \$6 \, \$7
\, \$8;
#X text 340 173 like the link message \, but with extra arguments :
;
#X text 361 188 \$5 is pow for a non-linear link;
#X text 361 203 \$6 is the lenght of the link;
#X msg 160 371 outPos \$1 \$2 \$3;
#X msg 131 305 inPos \$1 \$2 \$3;
#X msg 179 411 outSpeed \$1 \$2 \$3;
#X text 228 270 You can send many force to a single mass \, the resulting
force will be the sum of all forces;
#X obj 30 593 pmpd~ 1 1;
#X text 117 592 arg1 : number of audio inlet (min 1);
#X text 117 606 arg2 : number of audio outlet (min 1);
#X text 246 304 connect an inlet to the position of a specific mass
(\$2) \, with an amplitude factor \$3;
#X text 247 334 many inForce and inPos messages can be send \, so the
same inlet can be used to move and send force to diferents masses;
#X obj 31 631 dac~;
#X text 361 219 \$7 and \$8 are the min and max size of this link;
#X text 281 372 Connect the Position of the \$2 mass to the \$1 outlet
\, with amplitude \$3;
#X text 314 410 Connect the Velocity of the \$2 mass to the \$1 outlet
\, with amplitude \$3;
#X msg 150 496 posX \$1 \$2;
#X msg 162 516 forceX \$1 \$2;
#X text 147 477 few messages can interact in real time with the simulation
;
#X text 117 621 arg3 : oversample factor (usefull to run the simulation
faster than audio rate);
#X text 227 495 change the position (\$2) of a fixed mass (\$1);
#X text 259 517 send a force (\$1) to a mass (\$2);
#X obj 128 553 osc~ 444;
#X text 191 552 interaction with the simulation is at audio rate;
#X msg 54 137 link \$1 \$2 \$3 \$4;
#X text 228 242 audio inlet \$1 send force to the mass \$2 \, with
an amplitude factor \$3;
#X text 176 434 The output of a ontlet is the sum of the contribution
of all out* messages;
#X text 19 38 all this messages have to be send only 1 time to create
a physical model structure;
#X connect 0 0 15 0;
#X connect 1 0 15 0;
#X connect 3 0 15 0;
#X connect 7 0 15 0;
#X connect 11 0 15 0;
#X connect 12 0 15 0;
#X connect 13 0 15 0;
#X connect 15 0 20 0;
#X connect 15 0 20 1;
#X connect 24 0 15 0;
#X connect 25 0 15 0;
#X connect 30 0 15 0;
#X connect 32 0 15 0;
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