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Hello, I have a problem with the axis parameters.
"x": {"field": "a", "type": "nominal", "axis": {"labelAngle": 0, "titleFontSize": 20, "labelFontSize":20}},

labelAngle, titleFontSize, labelFontSize are camelCase, but when I use them from

(write-vega-spec (vega:defplot simple-line-plot .... :encoding (:x (:field ,(assoc-path html '("eje-x")) type ,(assoc-path html '("eje-x-type")) :axis (:labelAngle 0 :titleFontSize 20 :labelFontSize 20))

They are all lowercase and it doesn't work
output
"x": { "field": "fecha", "type": "temporal", "axis": {"labelangle": 0, "titlefontsize": 20, "labelfontsize": 20} },

Both of the links "Reference Manual" and "Explore the docs" end up 404ing.

Hello, I am pretty new to Lisp, and currently I'm using Neovim with Vlime and Roswell with SBCL 2.3.9 as a development environment.
When I try loading plot/vega package using (ql:quickload :plot/vega), I get the following error in the Vlime server output window:

  <INFO> [02:05:22] vlime-usocket - Control thread stopping: (:SWANK-DATA-ERROR "No policy for symbols as keys defined. Please check YASON:*SYMBOL-KEY-ENCODER*.")
;; swank:close-connection: end of file on #<SB-SYS:FD-STREAM for "socket 127.0.0.1:35825, peer: 127.0.0.1:41070" {1003696823}>

Running ros run --eval '(ql:quickload :plot/vega)' loads the package successfully.
I also had no problem a while ago using vim-slime (which I think just sends expression text to an independent REPL in another Vim or Tmux window), so to me it seems like a Vlime- or Swank-specific issue.
Could you please give me some advice on how to debug this further?

Building with SBCL 2.2.1.147-31b6a20e3 / ASDF 3.3.5 for quicklisp dist creation.

Trying to build commit id 8eb57ee

plot fails to build with the following error:

; caught ERROR:
;   READ error during COMPILE-FILE: Package CL-PPCRE does not exist. Line: 11, Column: 21, File-Position: 651 Stream: #<SB-INT:FORM-TRACKING-STREAM for "file /home/quicklisp/quicklisp-controller/dist/build-cache/plot/6c02f955806d7a63e0d013d91e08029c683d6077/plot-20220306-git/plot.lisp" {1006416BE3}>
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING {1001BD0003}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "plot" "plot">

plot/vglt fails to build because of a failure in plot.

Full log here

Trying to install, I cloned the package into "~/quicklisp/local-projects" and ran (ql:quicklisp :plot) and that seems to load fine, though (plot:plot ...) returns error:

The function PLOT:PLOT is undefined.
[Condition of type UNDEFINED-FUNCTION]

If I run (asdf:clear-source-registry), and (ql:quicklisp :plot/vglt) I get an error:

Component :PLOT/VGLT not found
[Condition of type ASDF/FIND-COMPONENT:MISSING-COMPONENT]

I've run and currently run many projects out of ~/quicklisp/local-projects/ just fine...

I imagine this is something simple I seem to be missing, but if it has happened to others, a fix can be stored here.

However this slightly abuses ASDF / require functionality, and there's no guarantee that the system exists on the users machine. Probably imdb.lisp should have some ASDF magic instead of require.

Just loading the system via ASDF causes the chrome browser to be displayed. It appears to be caused by the executable-present-p function? I assume this behaviour is not intentional?

Hello,
I just discovered this awesome package and ran into a small issue when going through the Getting Started.

This is was I have evaluated in sbcl:

(ql:quickload :lisp-stat)
;; for plotting
(ql:quickload :plot/vega)

(in-package :ls-user)

(data :vgcars)

(plot:plot
 (vega:defplot hp-mpg
   `(:title "Horsepower vs. MPG"
     :description "Horsepower vs miles per gallon for various cars"
     :data ,vgcars
     :mark :point
     :encoding (:x (:field :horsepower :type :quantitative)
                :y (:field :miles-per-gallon :type :quantitative)))))

Everything evaluates without errors, except for the last part with PLOT, which returns this error:

The value
  nil
is not of type
  (or string pathname synonym-stream file-stream)
when binding pathname
   [Condition of type type-error]

Restarts:
 0: [retry] Retry SLIME interactive evaluation request.
 1: [*abort] Return to SLIME's top level.
 2: [abort] abort thread (#<thread "worker" running {103A24C633}>)

Backtrace:
  0: (sb-ext:native-namestring nil) [external]
  1: (sb-ext:run-program nil ("--user-data-dir=/tmp/plot/chrome-data" "--no-default-browser-check=1" "--no-first-run=1" "--window-size=800,600" "--app=file:///tmp/plot/hp-mpg.html") :env nil :environment n..
  2: (uiop/launch-program:launch-program (nil "--user-data-dir=/tmp/plot/chrome-data" "--no-default-browser-check=1" "--no-first-run=1" "--window-size=800,600" "--app=file:///tmp/plot/hp-mpg.html") :ignore..
  3: (sb-int:simple-eval-in-lexenv (plot:plot (vega:defplot hp-mpg (sb-int:quasiquote #))) #<NULL-LEXENV>)
  4: (eval (plot:plot (vega:defplot hp-mpg (sb-int:quasiquote #))))
  5: ((lambda nil :in swank:interactive-eval))
 --more--

I did follow the backtrace to discover the graph I wanted was in /tmp/plot/ and I just needed to load it manually into firefox to view. What is this error though? I assume firefox should automagically open the graph for me.

I am running sbcl 2.2.11-1 on Artix Linux s6. I also am using ultralisp, as according to Lisp-Stat/lisp-stat#13 it can help.

I am getting the following when running stem-and-leaf functions.

UNDEFINED-FUNCTION: The function PLOT/TEXT::SEQ-MAX is undefined.

I am running on an apple MacBook Pro M2.

Using plot (which defaults to chrome, and I can't seem to make firefox work, but that's another problem), every time I create a plot, it launches a new Chrome process. This wouldn't be so horrible if Chrome didn't think it was a brand new install every time it launches, asking me if I want Chrome to be my default browser and if I want to send data to google, neither of which I want. Any way to make the default be opening a new window in, say, firefox? Or, at a minimum, using an existing chrome process?

Following "Getting started" I get the below error. Looks like the Chrome path is invalid. On Windows 11 Chrome is installed in Program Files, not Program Files (x86)\\ and the path should not contain double \.

* (plot:plot-from-file (vglt:save-plot 'cars-plot))

debugger invoked on a SIMPLE-ERROR in thread #<THREAD "main thread" RUNNING {10010B0523}>: Couldn't execute "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe": The system cannot find the file specified.

Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.

restarts (invokable by number or by possibly-abbreviated name):
  0: [ABORT] Exit debugger, returning to top level.

(SB-EXT:RUN-PROGRAM "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe" ("--user-data-dir=C:/Users/marti/AppData/Local/Temp/plot/chrome-data-G784" "--window-size=800,600" "--app=file:///C:/Users/marti/AppData/Local/Temp/plot/cars-plot.html") :ENV NIL :ENVIRONMENT NIL :WAIT NIL :SEARCH T :INPUT NIL :IF-INPUT-DOES-NOT-EXIST :ERROR :OUTPUT NIL :IF-OUTPUT-EXISTS :APPEND :ERROR NIL :IF-ERROR-EXISTS :APPEND :STATUS-HOOK NIL :EXTERNAL-FORMAT :UTF-8 :DIRECTORY NIL :ESCAPE-ARGUMENTS T)
0]

:long-description in plot.asd refers to a file that is not present in the repo.

The code for a single stemplot should point the way. I would start by modifying the code to write the leaves for each stem into a single string (one string for each set of leaves, i.e. two leaf strings per stem, one for each side), and then determining the length of the largest on the left-hand side. This will give you the padding (mincol) to use in format. Once the padding is known, loop through the stems and:

1. Print left side leaf string, right padded to the largest string
2. Print the stem
3. Print the right-side leaf string

When there are a large number of observations, it can be helpful to split the stems in a stem-and-leaf plot so that one has leaves 0-4 and another 5-9. The stem-size argument could be used to implement this without too much difficulty by keeping track of the 'base' stem and adjusting the print. E.g. use a stem-size of 5, but print each stem twice and adjust the leaf size (currently hard-coded to 1).

After some time trying to deal with the various unreleased dependencies of plot, I was able to get things mostly loading. However, I know get the following error:

end of file on #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}>
   [Condition of type END-OF-FILE]

Restarts:
 0: [RETRY] Retry EVAL of current toplevel form.
 1: [CONTINUE] Ignore error and continue loading file ".../quicklisp/local-projects/lisp-stat/data/gapminder.lisp".
 2: [ABORT] Abort loading file "/Users/CHarmon/quicklisp/local-projects/lisp-stat/data/gapminder.lisp".
 3: [RETRY] Retry SLIME REPL evaluation request.
 4: [*ABORT] Return to SLIME's top level.
 5: [ABORT] abort thread (#<THREAD "repl-thread" RUNNING {700368E1F3}>)

Backtrace:
  0: (PEEK-CHAR NIL #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}> T NIL #<unused argument>)
  1: (YASON::PARSE-OBJECT #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}>)
  2: ((:METHOD YASON::PARSE% (STREAM)) #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}>) [fast-method]
  3: (YASON:PARSE #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}> :OBJECT-KEY-FN NIL :OBJECT-AS NIL :JSON-ARRAYS-AS-VECTORS NIL :JSON-BOOLEANS-AS-SYMBOLS NIL :JSON-NULLS-AS-KEYWORD NIL)
  4: (YASON::%PARSE-ARRAY #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}> #<FUNCTION (LAMBDA (YASON::ELEMENT) :IN YASON::PARSE-ARRAY) {703411EC9B}>)
  5: (YASON::PARSE-ARRAY #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}>)
  6: ((:METHOD YASON::PARSE% (STREAM)) #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}>) [fast-method]
  7: (YASON:PARSE #<DEXADOR.DECODING-STREAM:DECODING-STREAM {703411EB93}> :OBJECT-KEY-FN NIL :OBJECT-AS NIL :JSON-ARRAYS-AS-VECTORS NIL :JSON-BOOLEANS-AS-SYMBOLS NIL :JSON-NULLS-AS-KEYWORD NIL)
  8: (VEGA::JSON-TO-DATA-COLUMNS "http://raw.githubusercontent.com/vega/vega-datasets/master/data/gapminder.json" :MAP-ALIST (("" . :NA) ("NIL" . :NA)))
  9: (VEGA:READ-VEGA "http://raw.githubusercontent.com/vega/vega-datasets/master/data/gapminder.json" :MAP-ALIST (("" . :NA) ("NIL" . :NA)))

Is this a bona fide fproblem with the json file or do I just have the-latest-from-quicklisp-but-not-really-new-enough yason?

thanks!