From 061e4be1f20ac78e3b52bc6429322d5fadcf5831 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 28 Apr 2005 00:25:05 +0000 Subject: cleaned up a number of patches; renamed all to the standard -help.pd format; added some more ideas to the style guide; finished up lists_vs_anythings svn path=/trunk/; revision=2841 --- doc/pddp/help-tabread4.pd | 148 ---------------------------------------------- 1 file changed, 148 deletions(-) delete mode 100644 doc/pddp/help-tabread4.pd (limited to 'doc/pddp/help-tabread4.pd') diff --git a/doc/pddp/help-tabread4.pd b/doc/pddp/help-tabread4.pd deleted file mode 100644 index a2f2fcef..00000000 --- a/doc/pddp/help-tabread4.pd +++ /dev/null @@ -1,148 +0,0 @@ -#N canvas 2 1 658 618 12; -#X obj 114 560 pddp; -#X obj 8 3 cnv 15 90 578 empty empty empty 20 12 0 14 -233017 -66577 -0; -#X text 14 213 ARGUMENTS:; -#X text 19 323 EXAMPLES:; -#X text 22 471 SEE ALSO:; -#N canvas 58 0 407 256 Related_Objects 0; -#X text 25 11 Native PD Objects; -#X text 16 166 Externals and other object libraries; -#X obj 16 41 tabread~; -#X obj 165 41 tabwrite; -#X obj 240 41 tabwrite~; -#X obj 16 67 tabsend~; -#X obj 92 67 tabreceive~; -#X obj 192 67 tabplay~; -#X obj 269 67 table; -#X text 15 124 [array]; -#X obj 16 94 soundfiler; -#X text 78 124 and fft objects.; -#X text 21 187 [tabdump]; -#X obj 112 94 tabread4~; -#X text 20 207 [tabenv]; -#X obj 203 94 getsize; -#X obj 274 94 setsize; -#X text 238 207 [arraysize]; -#X text 238 186 [score]; -#X text 114 186 [linear_path]; -#X text 114 207 [plot]; -#X obj 90 41 tabread; -#X restore 114 508 pd Related_Objects; -#N canvas 80 0 659 614 More_Info 0; -#X text 46 564 Also See:; -#X obj 125 564 pddp_open all_about_arrays; -#X text 21 8 WHAT IS INTERPOLATION?; -#X text 38 34 "Interpolation" is a word which described a sophisticated -way to "connect-the-dots". (This is over simplified \, but effective -for the time being.); -#X text 17 85 Let's say for example that we have an array whose values -are: 0 \, 6 \, 5; -#X text 36 120 There are 3 elements in this array \, right? Well \, -using [tabread] we could successfully read only 3 numbers. But interpolation -allows us to fill in the gaps between those values in a meaningful -way. For example \, we can assume that between 0 and 6 \, we might -find 4.5! We can also assume that the slope from 0 to 6 will be sharper -than the slope from 6 to 5 In this way \, using [tabread4] will allow -us to create much smoother lines and curves between our "dots".; -#X text 35 254 However \, this process is much more complicated than -mere "smoothing". 4-point interpolation incorporates a sophisticated -formula to intelligently create meaningful increments between values -in an array. For example: we could draw a few points on a baseball -diamond between the pitcher's mound and home plate. Those points could -represent the path a ball travels after a pitch. Using 4-point interpolation -\, we might be able to assume the positions of the ball between our -"known" points and determine whether the pitch was a fastball or a -curve ball.; -#X text 35 419 There are different formulas used to interpolate arrays. -Each method has a sort of niche where it is most comfortable and most -effective. PD \, like most contemporary audio software \, uses 4-point -interpolation which is also known as "Hermite" interpolation. It is -the most "intelligent" 2-dimensional method of interpolation.; -#N canvas 167 0 570 613 What_does_it_really_do? 0; -#X text 20 10 Let's see [tabread4] at work...; -#N canvas 0 0 450 300 graph36 0; -#X array original_array 10 float 1; -#A 0 -0.324999 -0.274999 -0.0749997 0.174999 -0.624998 0.649998 0.599998 -0.524998 -0.749997 -0.774996; -#X coords 0 1 9 -1 200 140 1; -#X restore 292 9 graph; -#X text 37 158 The array above has only 10 elements. You can draw new -shapes with your mouse.; -#X obj 14 202 bng 15 250 50 0 empty empty Bang_me 18 7 0 8 -24198 -1 --1; -#X obj 88 246 until; -#N canvas 0 0 450 300 graph37 0; -#X array interpolation 1000 float 0; -#X coords 0 1 999 -1 200 140 1; -#X restore 304 445 graph; -#X obj 84 341 tabread4 original_array; -#X obj 88 270 f; -#X obj 118 270 + 1; -#X obj 84 368 tabwrite interpolation; -#X obj 87 295 t f f; -#X obj 14 222 t b b; -#X msg 48 250 0; -#X obj 86 318 / 100; -#X msg 88 222 1000; -#X text 36 395 The array below has 1000 elements. At this resolution -\, you will see the overall effect of 4-point interpolation.; -#X connect 3 0 11 0; -#X connect 4 0 7 0; -#X connect 6 0 9 0; -#X connect 7 0 8 0; -#X connect 7 0 10 0; -#X connect 8 0 7 1; -#X connect 10 0 13 0; -#X connect 10 1 9 1; -#X connect 11 0 14 0; -#X connect 11 1 12 0; -#X connect 12 0 7 1; -#X connect 13 0 6 0; -#X connect 14 0 4 0; -#X restore 36 526 pd What_does_it_really_do?; -#X restore 114 534 pd More_Info; -#X floatatom 161 443 0 0 0 3 - - -; -#X floatatom 116 364 0 0 1000 1 location - -; -#X msg 286 389 set another_table; -#X text 106 162 Set - the "set " message allows you to read -from dynamic sources. You can change the source at any time using the -"set" message.; -#X text 29 266 OUTLETS:; -#X obj 486 442 table another_table; -#X text 106 323 Open the tables and use your mouse to draw new values -in the arrays - otherwise [tabread] will always output "0".; -#X text 39 34 INLETS:; -#X text 112 470 doc/2.control.examples/15.arrays.pd; -#X text 113 489 doc/2.control.examples/16.more.arrays.pd; -#X obj 21 10 tabread4; -#X text 111 10 - READ NUMBERS FROM A TABLE WITH 4-POINT INTERPOLATION -; -#X text 105 213 One - the argument informs [tabread4] which array to -read. The array must exist in an open PD patch/canvas or an error message -will appear in the terminal window.; -#X text 104 265 One - outputs a floating point number representing -an interpolation of the array value corresponding to the location described -at the inlet.; -#X text 107 34 Float - A float at the left inlet will move to the corresponding -location in the table's array. The lowest valid number is "0" which -represents the first element of the array. The highest valid number -is a fraction below the actual length of the array. Each fractional -increment between the lower and upper bounds of the array will produce -an interpolation of the actual array values at the outlet.; -#X msg 248 364 set davids_array; -#N canvas 0 0 450 300 graph27 0; -#X array davids_array 10 float 1; -#A 0 0 0.749989 0 -0.849987 0 -0.349995 0.949986 0 -0.699989 -0.399994 -; -#X coords 0 1 9 -1 100 40 1; -#X restore 526 380 graph; -#X text 249 444 interpolation; -#X obj 121 390 / 100; -#X obj 161 416 tabread4 davids_array; -#X text 158 561 - Dave Sabine \, May 2 \, 2003; -#X connect 8 0 25 0; -#X connect 9 0 26 0; -#X connect 22 0 26 0; -#X connect 25 0 26 0; -#X connect 26 0 7 0; -- cgit v1.2.1