/usr/share/gem/examples/02.advanced/07.Snapshot1.pd is in gem-doc 1:0.93.3-5ubuntu4.
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 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | #N canvas 396 100 600 375 10;
#X obj 210 252 gemhead;
#X obj 210 312 model ../data/venus.obj;
#X text 117 4 snap a portion of the graphics window into a texture
;
#X obj 210 278 translateXYZ 0 0 2;
#X obj 423 193 gemhead;
#X obj 423 255 pix_texture;
#X msg 294 88 snap;
#X msg 275 56 bang;
#X msg 355 148 bang;
#X msg 328 120 bang;
#X obj 423 226 pix_snap 0 0 256 256;
#X obj 423 284 rotateXYZ 0 45 25;
#X obj 423 317 square 4;
#X text 327 54 draw the model;
#X text 348 87 snap the frame buffer;
#X text 390 120 clear the frame buffer;
#X text 407 146 draw the snapped texture;
#N canvas 26 40 290 300 Gem.init 0;
#X obj 71 191 outlet;
#X obj 71 81 loadbang;
#X msg 101 134 reset;
#X obj 71 109 t b b;
#X msg 71 164 dimen 256 256;
#X msg 179 165 buffer 1;
#X connect 1 0 3 0;
#X connect 2 0 0 0;
#X connect 3 0 4 0;
#X connect 3 0 5 0;
#X connect 3 1 2 0;
#X connect 4 0 0 0;
#X connect 5 0 0 0;
#X restore 30 120 pd Gem.init;
#X text 123 20 notice that this is using single buffered (see Gem.init)
drawing!;
#N canvas 340 107 682 322 gemwin 0;
#X obj 102 122 tgl 15 0 \$0-gemstart \$0-gemstart empty 17 7 0 10 -262144
-1 -1 0 1;
#X obj 102 161 r \$0-gemstart;
#X obj 102 182 select 1 0;
#X msg 102 214 create \, 1;
#X msg 177 215 destroy;
#X obj 102 239 t a;
#X obj 318 54 inlet;
#X obj 318 255 gemwin;
#X obj 318 100 t a a;
#X obj 318 287 outlet;
#X obj 350 128 route create destroy;
#X obj 350 150 t b;
#X msg 350 172 1;
#X obj 390 150 t b;
#X msg 390 172 0;
#X obj 350 195 t f;
#X msg 350 219 set \$1;
#X text 118 122 rendering;
#X connect 1 0 2 0;
#X connect 2 0 3 0;
#X connect 2 1 4 0;
#X connect 3 0 5 0;
#X connect 4 0 5 0;
#X connect 5 0 8 0;
#X connect 6 0 8 0;
#X connect 7 0 9 0;
#X connect 8 0 7 0;
#X connect 8 1 10 0;
#X connect 10 0 11 0;
#X connect 10 1 13 0;
#X connect 11 0 12 0;
#X connect 12 0 15 0;
#X connect 13 0 14 0;
#X connect 14 0 15 0;
#X connect 15 0 16 0;
#X connect 16 0 0 0;
#X coords 0 -1 1 1 85 40 1 100 100;
#X restore 30 137 pd gemwin;
#X connect 0 0 3 0;
#X connect 3 0 1 0;
#X connect 4 0 10 0;
#X connect 5 0 11 0;
#X connect 6 0 10 0;
#X connect 7 0 0 0;
#X connect 8 0 4 0;
#X connect 9 0 19 0;
#X connect 10 0 5 0;
#X connect 11 0 12 0;
#X connect 17 0 19 0;
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