updates: gnuplot, visidata

azimut · azimut · commit 3eb490e64441 · 2025-09-20T18:19:46.000-03:00
diff --git a/ai/lr.org b/ai/lr.org
@@ -0,0 +1 @@
+- Example 3D https://gist.github.com/aricooperdavis/c658fc1c5d9bdc5b50ec94602328073b
diff --git a/ai/self.org b/ai/self.org
@@ -113,6 +113,17 @@
     - needs JWT
     - obtain JWT https://www.smn.gob.ar/pronostico
       - headers={"Referer": "https://www.smn.gob.ar/"}
+- https://www.hidro.gov.ar/Observatorio/Astronomia.asp?op=1
+  POST https://www.hidro.gov.ar/Observatorio/REsol.asp
+- https://www.hidro.gov.ar/Observatorio/Astronomia.asp?op=3
+  POST https://www.hidro.gov.ar/Observatorio/RELuna.asp
+  #+begin_src sh
+    CSRFToken=OWY4NmQwODE4ODRjN2Q2NTlhMmZlYWEwYzU1YWQwMTVhM2JmNGYxYjJiMGI4MjJjZDE1ZDZMGYwMGEwOA==
+    Localidad=BUENOS+AIRES
+    Mes=Ene
+    Fanio=2025
+    B1=
+  #+end_src
 - https://en.wikipedia.org/wiki/MNIST_database
   - Modified NIST (National Institute of Standards and Technology)
   - 28x28 grayscale
diff --git a/languages/compiled/makefile/self.org b/languages/compiled/makefile/self.org
@@ -66,7 +66,7 @@
 - order does not matter
   - but if multiple % patterns match, will use the last one matched (deps stills stacked?)
 - multiple targets: for same dependencies
-- recommended phony ones: https://www.gnu.org/software/make/manual/html_node/Standard-Targets.html
+- [[https://www.gnu.org/software/make/manual/html_node/Standard-Targets.html][recommended]] phony ones:
   - all, help, clean, check, dist, run, deps, serve, deploy
   - test: make it depend of the final binary
   - (un)install: use PREFIX=/usr/local and DESTDIR
diff --git a/languages/interpreted/r/self.org b/languages/interpreted/r/self.org
@@ -0,0 +1,13 @@
+- wiki https://en.wikipedia.org/wiki/R_(programming_language)
+- home https://www.r-project.org/
+- manuals https://cran.r-project.org/manuals.html
+- 1993
+- by Ross Ihaka, Robert Gentleman
+- .r
+- image based
+- integrated windowing graphics (?
+
+* cli
+
+- R - repl
+- Rscript - runner
diff --git a/languages/music/csound.org b/languages/music/csound.org
@@ -1,5 +1,8 @@
-- Blue Tutorial
-  https://www.youtube.com/watch?v=ODaL3N24_Dk
+- Blue Tutorial https://www.youtube.com/watch?v=ODaL3N24_Dk
+- Csound Clase https://www.youtube.com/watch?v=gqqhgawayvg
+- Csound: then and how https://www.youtube.com/watch?v=wBpVfpzVuaU
+- Acústica Cromberg Damus 2020 https://www.youtube.com/@AcusticaCrombergDamus/videos
+
 * drifter - game journal (-9) - csound hrtf
 https://sendai.itch.io/drifter/devlog/102416/-9-csound-hrtf
 
diff --git a/terminal/tools/parsers/self.org b/terminal/tools/parsers/self.org
@@ -1,20 +1,3 @@
-- tool: tui https://www.visidata.org/
-  - vids https://www.youtube.com/watch?v=yhunJc8Nu4g&list=PLxu7QdBkC7drrAGfYzatPGVHIpv4Et46W&index=5
-  - doc https://www.visidata.org/docs/
-  - doc https://jsvine.github.io/intro-to-visidata/
-  - graph https://www.visidata.org/docs/graph/
-  - csv, json, sqlite
-  - # number, % float, $ currency, @ date, ~ any, z~ remove
-  - ! make key, - to hide, gv to unhide
-  - g. - to plot
-  - : - split command, asks for regex
-  - M - melt aka unpivot
-  - Shift+F - frequency sheet/view
-  - Shift+O - options   sheet/view
-  - Shift+I - Summary   sheet/view
-  - Shift+C - Columns   sheet/view
-    - ^ edit column name
-
 - tool: web ui https://datasette.io/
 - tool: fake data generator https://github.com/multiprocessio/fakegen
 - tool: yaml/json/xml/csv/toml https://github.com/TomWright/dasel
@@ -23,7 +6,53 @@
 - tool: json (sql) https://github.com/SnellerInc/sneller
 - tool: json/csv/parquet (sql) https://github.com/cube2222/octosql
 
-** html
+* visidata
+
+- home https://www.visidata.org/
+- vids https://www.youtube.com/playlist?list=PLxu7QdBkC7drrAGfYzatPGVHIpv4Et46W
+- source: Python https://github.com/saulpw/visidata
+- doc https://www.visidata.org/docs/
+- doc https://jsvine.github.io/intro-to-visidata/
+- graph https://www.visidata.org/docs/graph/
+- [[https://www.visidata.org/formats][input support]]: csv, json, sqlite, xls, postgresql
+
+#+begin_src sh
+  $ visidata input.csv
+  $ visidata --csv-delimiter ';' input.csv
+  $ visidata -b input.csv -o output.json # convert .csv -> .json
+  $ export LC_ALL=es_AR.UTF-8 # if needed to parse dates in spanish
+#+end_src
+
+** keybinds
+
+- CTRL+s save
+- CTRL+q exit to stdout
+- gu   unselect all
+- gs     select all
+- gz=  apply formula on column selected in rows selected
+- za - new column
+  - Shift-C + d to delete
+- z@ - custom date for column
+- =  - new column python expression
+- +  - adds an aggregator to column
+- # number, % float, $ currency, @ date, ~ any, z~ remove
+- ! make key, - to hide, gv to unhide
+- T - transpose matrix
+- .  - to plot this column
+- g. - to plot all columns
+- gENTER - to filter by select
+- : - split by string, asks for regex
+- M - melt aka unpivot
+- [ ] - sort by column desc/asc
+- g[ g] - sort by multiple columns (prev selected!)
+- Shift+U - undo last
+- Shift+F - frequency sheet/view
+- Shift+O - options   sheet/view
+- Shift+I - Summary   sheet/view
+- Shift+C - Columns   sheet/view
+  - ^ edit column name
+
+* html
 - https://github.com/mgdm/htmlq
 - https://github.com/TUVIMEN/reliq
 - https://github.com/htacg/tidy-html5
diff --git a/terminal/tools/visualization/gnuplot/self.org b/terminal/tools/visualization/gnuplot/self.org
@@ -7,6 +7,7 @@
 | wiki   | https://en.wikipedia.org/wiki/Gnuplot                 |
 | wiki   | https://en.wikibooks.org/wiki/Gnuplot                 |
 | online | https://hostcat.fhsu.edu/cdclark/static/apps/gnuplot/ |
+| source | http://sf.net/p/gnuplot/gnuplot-main/                 |
 |--------+-------------------------------------------------------|
 
 - 1986
@@ -16,10 +17,12 @@
 
 * cli
 
-#+begin_src
-  gnuplot [x11 options] [options] [scriptfile ...]
+#+begin_src sh
+  $ gnuplot [x11 options] [options] [scriptfile ...]
+  $ GNUTERM=dumb gnuplot -e 'plot sin(x)'
 #+end_src
 
+#+CAPTION: flags
 |-----------+----+------------+---------------------------------|
 |           | -e | CMDS       |                                 |
 |           | -c | FILE [ARG] | runs script S with given args   |
@@ -28,6 +31,12 @@
 | --default | -d | -          | do NOT read ~/.gnuplot          |
 |-----------+----+------------+---------------------------------|
 
+#+CAPTION: environment variables
+|---------+----------------------------------------|
+| GNUTERM | terminal override                      |
+| FIT_LOG | name of the log file, default: fit.log |
+|---------+----------------------------------------|
+
 * language
 
 #+begin_src gnuplot
@@ -62,6 +71,8 @@
 |-----------+------------------------------------+-----------------------------|
 |       <r> |                                    |                             |
 | multiplot | layout N,N                         |                             |
+|           | title S                            |                             |
+|           | offset N,N                         |                             |
 |     unset | OPTION                             |                             |
 |       set | OPTION [VALUE]                     |                             |
 |      with | (l)ines[*], dots[.], lines(points) |                             |
@@ -177,32 +188,26 @@ b              -0.890  1.000
 #+CAPTION: S ="string", N=number, F=float
 |------------+------------+-------------------------------------|
 |    <c>     |    <c>     |                                     |
+|            |            |                                     |
+|------------+------------+-------------------------------------|
 |   table    | "FILENAME" | save plot to file, unset it after   |
 |  encoding  |    utf8    |                                     |
 |------------+------------+-------------------------------------|
 |   title    |     S      | the                                 |
 |   scale    |     N      |                                     |
 |   output   |     S      | saves into filepath, unset it after |
 | monochrome |     _      |                                     |
+|   object   | rectangle  |                                     |
 |------------+------------+-------------------------------------|
 |   pause    |     N      | seconds to pause                    |
 |  +reread+  |     -      | REMOVED in 6.0 +reread input+       |
 |------------+------------+-------------------------------------|
 
-#+CAPTIONS: background
-#+begin_src gnuplot
-  set object rectangle \
-      from screen 0,0 to screen 1,1 \
-      behind \
-      fillcolor rgb '$background' \
-      fillstyle solid \
-      noborder
-#+end_src
-
 *** general: file parsing
 
 |-------------+-----------------+----------------------------------|
 |     <c>     |       <c>       |                                  |
+|             |                 |                                  |
 |-------------+-----------------+----------------------------------|
 |  datafile   |   separator S   |                                  |
 |             |  separator tab  |                                  |
@@ -252,21 +257,21 @@ b              -0.890  1.000
 
 *** style
 
-|-----------+---------------+----------------------------------|
-|    <c>    |      <c>      |                                  |
-|   fill    |  transparent  |                                  |
-|           |     solid     |                                  |
-|   solid   |       F       |                                  |
-| noborder  |       _       |                                  |
-|   data    |     lines     | sets default for *plot* with ... |
-|           |  histograms   |                                  |
-|   line    |       N       | can be later referenced on plot  |
-| histogram |     gap N     |                                  |
-|           |    cluster    |                                  |
-|           |   clustered   |                                  |
-|           |  rowstacked   |                                  |
-|           | columnstacked |                                  |
-|-----------+---------------+----------------------------------|
+|-------+-----------+---------------+----------------------------------|
+|       |    <c>    |      <c>      |                                  |
+| style |   fill    |  transparent  |                                  |
+|       |           |     solid     |                                  |
+|       |   solid   |       F       |                                  |
+|       | noborder  |       _       |                                  |
+|       |   data    |     lines     | sets default for *plot* with ... |
+|       |           |  histograms   |                                  |
+|       |   line    |       N       | can be later referenced on plot  |
+|       | histogram |     gap N     |                                  |
+|       |           |    cluster    |                                  |
+|       |           |   clustered   |                                  |
+|       |           |  rowstacked   |                                  |
+|       |           | columnstacked |                                  |
+|-------+-----------+---------------+----------------------------------|
 
 #+CAPTION: gnuplot "test" command output
 #+ATTR_HTML: :width 500
@@ -308,6 +313,16 @@ http://gnuplot.info/demo/pm3dcolors.html
    }
   #+end_src
 
+- background fullscreen rectangle
+  #+begin_src gnuplot
+    set object rectangle \
+        from screen 0,0 to screen 1,1 \
+        behind \
+        fillcolor rgb '$background' \
+        fillstyle solid \
+        noborder
+  #+end_src
+
 * examples
 
 - https://github.com/TheFox/gnuplot-examples
@@ -335,6 +350,4 @@ http://gnuplot.info/demo/pm3dcolors.html
 - to read from stdin "-" might not work in plot (?
   - use /dev/stdin
 - you cannot plot fields from differents files/inputs against each other
-- on multiplot, sometimes a plot will silently fail due some formatting issue
-  - try adding ";"
-  - try adding "\n"
+- on multiplot, sometimes a plot will silently fail (?

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+- Example 3D https://gist.github.com/aricooperdavis/c658fc1c5d9bdc5b50ec94602328073b`