path: root/doc/pddp/help-makefilename.pd

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#X obj 104 539 pddp;
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#X text 104 463 PD Documentation Chapter 3.6 - doc/1.manual/x3.htm
;
#N canvas 85 2 593 608 More_Info 1;
#X text 17 24 COMMON USES;
#X text 15 417 INNOVATIVE USES;
#X text 47 47 I believe that this object was developed first to allow
PD to generate sequential file names - perhaps to be used in conjunction
with [soundfiler] or [openpanel]. For example \, an audio loop recorder
might generate a continuous series of sound files to be saved on a
hard drive...like below:;
#X obj 54 136 bng 15 250 50 0 empty empty Bang_me 18 7 0 8 -262144
-1 -1;
#X obj 54 160 f;
#X symbolatom 54 215 0 0 0 0 - - -;
#X text 53 238 This file name could be used when saving the audio data
to disk.;
#X obj 87 161 + 1;
#X obj 54 187 makefilename file-%d.aif;
#X text 20 280 LIMITATIONS;
#N canvas 175 3 583 599 spaces_and_multiple_variables 0;
#X text 25 19 Instead of using spaces \, an underscore will often produce
a tolerable compromise.;
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-1;
#X obj 210 64 f;
#X symbolatom 210 119 0 0 0 0 - - -;
#X obj 243 64 + 1;
#X obj 210 91 makefilename I_am_%d_years_old.;
#X text 28 143 With careful planning \, multiple variables can be incorporated
using a stack of [makefilename]s. In the example below \, let's assume
that this tool is used to generate file names for an audio loop recorder
which operates 24 hours per day \, every day.;
#X obj 31 235 loadbang;
#X obj 31 280 metro 200;
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#X obj 218 269 f;
#X obj 250 269 + 1;
#X obj 218 294 mod 7;
#X obj 218 322 pack f f;
#X obj 230 498 makefilename Monday_%d.wav;
#X symbolatom 65 548 0 0 0 0 - - -;
#X obj 334 374 makefilename Saturday_%d.wav;
#X obj 314 399 makefilename Friday_%d.wav;
#X obj 290 326 t b f;
#X obj 293 424 makefilename Thursday_%d.wav;
#X obj 272 449 makefilename Wednesday_%d.wav;
#X obj 251 474 makefilename Tuesday_%d.wav;
#X obj 209 522 makefilename Sunday_%d.wav;
#X text 81 377 hour of day;
#X text 79 330 total hours;
#X text 199 549 Crude...but effective.;
#X obj 31 455 s dayHour;
#X obj 53 430 s weekDay;
#X obj 218 236 r weekDay;
#X obj 290 300 r dayHour;
#X text 284 271 loop through weekdays;
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#X restore 47 445 pd spaces_and_multiple_variables;
#N canvas 175 4 503 605 help_with_interfaces 1;
#X text 17 16 Building user interfaces in PD is a difficult balance
between usability and performance. PD is not winning any awards for
usability - let's face it: it's powerful \, it's cool \, and that's
the way we like it. You're not here because you want a colourful \,
bevelled interface...you want the raw power that object oriented languages
provide mixed with a few of the conveniences that a graphic environment
affords.;
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#X obj 45 379 tgl 15 0 s_dsp empty DSP 18 7 128 8 -262144 -1 -1 0 1
;
#X obj 45 424 vsl 15 128 0 127 0 0 v_slider empty Volume 18 7 128 8
-262144 -1 -1 0 1;
#X obj 45 401 bng 15 250 50 0 b_panel empty Open_File 18 7 128 8 -262144
-1 -1;
#X obj 40 280 cnv 15 400 20 empty d_canvas DSP 20 12 64 8 -233017 -66577
0;
#X obj 40 302 cnv 15 400 20 empty f_canvas FILE_OPEN 20 12 64 8 -233017
-66577 0;
#X obj 40 324 cnv 15 400 20 empty v_canvas VOLUME 20 12 64 8 -233017
-66577 0;
#X text 187 361 The grey canvases above could;
#X text 189 383 be used like "status bars" to;
#X text 189 404 write relevant information to;
#X text 186 460 [makefilename] helps to format;
#X text 188 484 the information in a meaningful;
#X text 189 505 way.;
#X text 187 426 the screen.;
#N canvas 217 9 470 320 look_inside 0;
#X obj 199 14 r b_panel;
#X obj 235 166 r v_slider;
#X obj 36 236 s d_canvas;
#X obj 199 114 s f_canvas;
#X obj 235 263 s v_canvas;
#X obj 36 80 sel 0;
#X obj 71 152 symbol ON;
#X obj 36 128 symbol OFF;
#X obj 71 103 bang;
#X msg 36 210 label \$1;
#X obj 36 184 makefilename DSP:%s;
#X obj 36 13 r s_dsp;
#X msg 45 38 \; pd dsp \$1;
#X obj 199 40 openpanel;
#X obj 199 65 makefilename FILE_OPEN:%s;
#X msg 199 90 label \$1;
#X msg 235 240 label \$1;
#X obj 235 192 expr ($f1/128)*100;
#X obj 235 217 makefilename VOLUME:%d/100;
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#X restore 40 350 pd look_inside;
#X text 18 156 However \, there are times when sacrifices must be made
in the area of performance to provide users with on-screen reporting
\, record keeping \, and sometimes even a few 'pleasantries'. Consider
the following examples - but always weight the pros and cons when incorporating
these types of interfaces. Performance vs. Usability.;
#X restore 47 477 pd help_with_interfaces;
#X text 45 304 This object does not provide advanced formatting and
parsing abilities. For example \, you cannot use spaces or odd characters
in the argument - also the argument can only include ONE variable.
Although \, these limitations can be easily overcome with a little
ingenuity and compromise -- see below.;
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#X restore 104 513 pd More_Info;
#N canvas 85 2 393 242 Related_Objects 0;
#X text 25 8 Native PD Objects;
#X text 25 92 Externals and other object libraries;
#X text 35 125 [strcat];
#X obj 42 46 symbol;
#X obj 112 46 int;
#X obj 156 46 openpanel;
#X text 34 151 [makesymbol];
#X restore 104 487 pd Related_Objects;
#X text 38 53 INLETS:;
#X text 15 197 ARGUMENTS:;
#X text 29 316 OUTLETS:;
#X text 22 342 EXAMPLES:;
#X text 21 462 SEE ALSO:;
#X obj 5 18 makefilename;
#X text 115 18 - FORMAT A STRING WITH A VARIABLE FIELD.;
#X text 104 316 Symbol - The output is formatted like "symbol YOURSTRING".
;
#X floatatom 114 346 0 0 0 0 - - -;
#X obj 114 400 print;
#X obj 114 373 makefilename soundfile%d.aif;
#X text 170 400 numbered filenames;
#X obj 353 431 print;
#X text 406 433 text examples;
#X obj 353 380 symbol;
#X msg 353 343 dave;
#X msg 412 341 drums;
#X msg 479 344 PD;
#X msg 526 355 cool;
#X obj 353 404 makefilename %s_PD.aif;
#X text 107 198 This object generates symbols according to a format
string (the argument) \, for use as a series of filenames \, table
names \, or whatnot. You can plug in a variable number or symbol by
putting "%d" or "%s" in the string. If you put "%s" in the string \,
be sure to send it a symbol and vice versa... there' no checking. Each
[makefilename] object can have only one variable.;
#X text 152 540 - Dave Sabine \, April 25 \, 2003;
#X text 108 53 Integer - If a number is sent to the inlet \, the argument
should be written with a "%d" which represents the location of the
incoming variable number in the outgoing symbol. Floats will be converted
to integers.;
#X text 107 126 Symbol - If a symbol is sent to the inlet \, the argument
should be written with a "%s" which represent the location of the incoming
variable symbol in the outgoing symbol. Lists will be truncated.;
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