Difference between revisions of "DevICT presentation on Pd"
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Jump to navigationJump to search| Line 14: | Line 14: | ||
* Open Source/cross platform | * Open Source/cross platform | ||
* Pd-vanilla vs. Pd-extended | * Pd-vanilla vs. Pd-extended | ||
| − | ** Audio only vs. | + | ** Audio only vs. openGL (Gem) and friends |
** Matrix manipulation (iemmatrix) | ** Matrix manipulation (iemmatrix) | ||
** Physical Modeling library (pmpd) | ** Physical Modeling library (pmpd) | ||
** Careful: not everything in Pd follows the Pd-vanilla model. :-/ | ** Careful: not everything in Pd follows the Pd-vanilla model. :-/ | ||
| + | * Another alternative: [http://l2ork.music.vt.edu/main/?page_id=56 Pd-L2Ork] | ||
| + | ** Actively developed | ||
| + | ** Linux only | ||
=== Overview of Pd-extended: === | === Overview of Pd-extended: === | ||
''I will sloppily use the terms 'Pd' and 'Pd-extended' interchangeably unless I don't'' | ''I will sloppily use the terms 'Pd' and 'Pd-extended' interchangeably unless I don't'' | ||
| Line 41: | Line 44: | ||
* audio scratcher | * audio scratcher | ||
** arrays | ** arrays | ||
| + | *** use tabread and tabwrite to show that it really is an array | ||
| + | *** substitute [table] | ||
=== Example: video === | === Example: video === | ||
| + | * glxgears | ||
| − | |||
| − | |||
=== Concepts === | === Concepts === | ||
* Hot and cold inlets | * Hot and cold inlets | ||
Revision as of 09:48, 26 February 2015
Contents
General Outline
Demo(s)
- color tracker?
- polysynth with Makey?
- video scratcher?
- Cyrille's stuff?
- Marco's stuff?
What is Pd?
- Dataflow
- Created by mathematician/violinist: Miller Puckette
- While the idea of dataflow was new, the language itself follows models of other languages intended for sound synth
- Max/MSP is the big corporate cousin
- Open Source/cross platform
- Pd-vanilla vs. Pd-extended
- Audio only vs. openGL (Gem) and friends
- Matrix manipulation (iemmatrix)
- Physical Modeling library (pmpd)
- Careful: not everything in Pd follows the Pd-vanilla model. :-/
- Another alternative: Pd-L2Ork
- Actively developed
- Linux only
Overview of Pd-extended:
I will sloppily use the terms 'Pd' and 'Pd-extended' interchangeably unless I don't
- Pd is a dataflow language and uses the metaphor of connecting objects to each other.
- Pd also uses the metaphor of an instrument
- Edit and performance mode
- Switching between the two modes (ctrl-e)
- Know at any time which mode you are in by looking at the cursor.
- Edit and performance mode
Example1: audio
- Build 'A' with [osc~] and [dac~]
- Show canvas help, then interactive object help
- talk about tilde
- keyboard shortcuts
- inlets, outlets, creation arguments
- Add volume control *~, number box
- line~, snapshot~
- bang~
- add freq slider with line~
- make a note
Example2: audio
- audio scratcher
- arrays
- use tabread and tabwrite to show that it really is an array
- substitute [table]
- arrays
Example: video
- glxgears
Concepts
- Hot and cold inlets
- subpatches
- abstractions
- building your own objects
Going On
- Wichita Patcher's Circle
- Local demos
- audio:
osc~, array, volume, metro, bang
video:
camera
projector
screen
power
[pix_film], [pix_video], pix_buffer read/write
control stuff: a counter
Pd examples at Wichita Patcher's Circle motion tracking color tracking pmpd interfacing with the arduino and friends Kinec Pitch shifting dynamic patching
Open Source Alternatives to Pd
- Pd's community of developers is small
- Pd performs well but there are more performant options if speed is critical
- The programming style of Pd is unique. It makes for very fast prototyping. Still, you may hate it.
