Hi,

how do I plot points from an array?
For example, from this array (where zeros do not correspond to any points):

get a graph like this:

I can do it directly in puredata or using GEM, it doesn't matter.

Thank you,
a.

Hi,

what methods are there to plot points in puredata (with or without GEM) by importing their coordinates (x,y) from a text file in txt or csv format?

In what form should the coordinates be written in the txt file?
Are there any examples?
[pd 0.54.0 on Linux]

Thank you,
a.

EDIT:
I realized now that it was probably better to write this post in "pixel#"... if you want you can move it...sorry.

@oid said:

@atux It is easy to get fixated on [list store] with all of its features, some things are easier to do with the other list objects.

Nice, very interesting.
Thank you,

a.

@manuels said:

@atux You can use [list store] for that. It takes messages like [get 1 3( to output a sublist of three items starting with the first item of the list. Take a look at the help file to find out how it works in detail.

Thanks, so it's like this:

list_2.pd

The only problem is that it is not circular, i.e. for example, executing [get 5 3( I would like it to extract [88 9 1(, but it doesn't work.

Thank you,
a.

Hi,

here I can extract one element at a time:

But if I want to extract three consecutive elements into a list, for example the 3rd, 4th and 5th:

how do I do it?

(Generalizing: extract a list of 3 consecutive elements in position i-1, i, i+1)
list.pd

Thank you,
a.

@alexandros said:

Not sure, but I guess you should have openFrameworks installed, which has a script to install dependencies. Do you have those? These scripts should also be available in Ofelia, in scripts/ubuntu.

Hi,
yes, previously I followed the procedure step by step as written here:

https://openframeworks.cc/setup/linux-install/

a.

Hi,

I wanted to try Ofelia, so in Pd 0.54.0 on Ubuntu 22.04 I installed Ofelia v4.0.0 (via "Find externals").
In "Preferences" I entered the correct paths.
When I open a patch that uses Ofelia, I get these errors:

/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -k $0-main
... couldn't create
#A: no such object 
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -c11 -k $0-setMatrix2
... couldn't create
array: no method for '__set'
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -k $0-getCopyArray
... couldn't create
array: no method for '__set'
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -c11 -k $0-setMatrix
... couldn't create
array: no method for '__set'
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -k $0-getArray
... couldn't create
array: no method for '__set'
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -k $0-conway
... couldn't create
array: no method for '__set'
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -k $0-lCells
... couldn't create
array: no method for '__set'
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
/home/a/Pd/externals/ofelia/ofelia.pd_linux:libGLEW.so.2.1: cannot open shared object file: No such file or directory
ofelia d -k $0-dCells
... couldn't create
array: no method for '__set'

It seems the problem is libglew, maybe it's a version issue.
On my computer, libglew is already installed (via Synaptic):

What can I do?
Do you have a direct link to a version of Ofelia that works on my system?
[Pd 0.54.0 on Ubuntu 22.04]

Thank you,
a.

Hi,
what is currently the best patch to simulate a Loop Station with Pure Data by playing with the MIDI keyboard in multiple channels?
I would like it to automatically do real-time quantization while recording (or align the notes immediately after recording them), so as to record the audio directly.
[Pd 0.54.0 on Linux]

Thank you,
a.

@oid said:

[else/keymap]

[else/keymap] works fine, but occasionally gets stuck at 127 (doesn't go back to 0)

a.

@oid said:

@atux Could you imagine typing jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj if you had to hit 'j' every single time? Would be rather tedious. Computer keyboards repeat when a key is held down which is defined by the system and pd respects.

So I have to find a way for it to stay on 1 until the key is released.
[I thought that object simulated the key of a midi keyboard, at least in terms of note-on and note-off]
Thank you,
a.