View Source: Help/PloticusPlugin

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The **Ploticus** [[Help:WikiPlugin|plugin]] passes all its arguments to the Ploticus
binary and displays the result as PNG, GIF, EPS, SVG, SVGZ or SWF.
Ploticus is a free, GPL, non-interactive software package
for producing plots, charts, and graphics from data.
See http://ploticus.sourceforge.net/doc/welcome.html

Ploticus uses a cache expire date of days.

== Usage ==
{{{
<<Ploticus device||=png [ploticus options...]
     multiline ploticus script ...
>>
}}}

or without any script: (not tested)

{{{
<<Ploticus -prefab vbars
        data=myfile.dat delim=tab y=1
        clickmapurl="http://mywiki.url/wiki/?pagename=@2"
        clickmaplabel="@3" -csmap
>>
}}}

TODO: ~PloticusSql - create intermediate data from SQL. Similar to [[Help:SqlResultPlugin|SqlResult]] plugin,
just in graphic form.
For example to produce nice looking pagehit statistics or ratings statistics.
Ploticus has its own sql support within #getproc data, but this would expose security information.

== Arguments ==

{| class="bordered"
|-
! Argument
! Description
! Default value
|-
| **device**
| gif, png, jpeg, svg, svgz, eps, swf. Any -T parameter supported by Ploticus.
| png
|-
| **data**
| optionally add data by <!plugin-list !> pagelist plugins.  See [[Help:WikiPlugin]]
|
|-
| **alt**
| alt text for the image
|
|-
| **~-prefab**
| use the given prefab script (may need PLOTICUS_PREFABS)
|
|-
| **~-csmap**
| If a clickable map should be produced (not yet tested) passed to Ploticus as -csmap -mapfile $tempfile.map
|
|-
| **help**
| Show a help screen
|
|}

All other arguments are used as source to Ploticus.

== Known Problems ==

For Windows you need either a gd library with GIF support or
a Ploticus with PNG support. This comes only with the Cygwin
build so far.

== Optional Configuration ==

config.ini:
  PLOTICUS_EXE = pl.exe (on Windows)
  PLOTICUS_EXE = /usr/local/bin/pl (elsewhere)

prefabs need the environment variable PLOTICUS_PREFABS. Default: /usr/share/ploticus.
Maybe also set by the config variable PLOTICUS_PREFABS.

See also [[Help:WikiPluginCached]] options in config.ini.

== Examples ==

Sample Pie Chart:

{{{
<<Ploticus device||=png alt="Sample Pie Chart"
#proc page
#if @DEVICE in gif,png
  scale: 0.7
#endif

//  specify data using {proc getdata}
#proc getdata
data:   Brazil 22
        Columbia 17
        "Costa Rica" 22
        Guatemala 3
        Honduras 12
        Mexico 14
        Nicaragua 28
        Belize 9
         United\nStates 21
        Canada 8

//  render the pie graph using {proc pie}
#proc pie
firstslice: 90
explode: .2 0 0 0 0  .2 0
datafield: 2
labelfield: 1
labelmode: line+label
center: 4 4
radius: 2
colors: yellow pink pink pink pink yellow pink
labelfarout: 1.05
>>
}}}

== Author ==
* [[Help:Reini Urban|Reini Urban]]

== See Also ==
* [[Help:GraphVizPlugin]]

<noinclude>
----
[[PhpWikiDocumentation]] [[CategoryWikiPlugin]]
</noinclude>
View Source: Help/PloticusPlugin

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