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/usr/lib/pd/extra/cyclone/poltocar~-help.pd is in pd-cyclone 0.2~beta1-2.

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#X text 2 19 LICENSE SIBSD;
#X text 2 133 LIBRARY cyclone;
#X text 2 95 OUTLET_0 signal;
#X text 2 0 KEYWORDS signal cartesian polar conversion;
#X text 2 38 DESCRIPTION polar to cartesian coordinate conversion;
#X text 2 57 INLET_0 signal;
#X text 2 114 OUTLET_1 signal;
#X text 2 76 INLET_1 signal;
#X text 0 152 VERSION 0.2-beta1;
#X text 0 170 AUTHOR Krzysztof Czaja;
#X text 1 188 RELEASE_DATE 2002;
#X text 2 207 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html
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#X text 2 239 HELP_PATCH_AUTHORS Christoph Kummerer. Revised by Jonathan
Wilkes for Pd-extended 0.42 to conform to the PDDP template. Alex Cleveland
updated this patch for Pd-l2ork version 2013.05.28. Fred Jan Kraan
adapted the patch to pd-extended 2015-02-02;
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#X text 191 243 - amplitude;
#X text 191 270 - phase;
#X text 124 243 signal;
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