require "AddAppDirectory"

require "getScriptFilename"

AddAppDirectory()

local gp = runfile[[gnuplot.lua]]

gp.bin = [["C:\Program Files (x86)\gnuplot\bin\gnuplot.exe"]]

local function createFullFilePathForWindows(filename)

local filenamefullpath = string.match(getScriptFilename(), "(.-)([^\\]-([^%.]+))$")..filename

filenamefullpath = string.gsub(filenamefullpath,"\\","/")

return filenamefullpath

end

local outfile = createFullFilePathForWindows("sample.png")

local g = gp{

-- all optional, with sane defaults

width = 640,

height = 480,

xlabel = "X axis",

ylabel = "Y axis",

xrange = "[0:10]",

yrange = "[0:100]",

key = "top left",

consts = {

gamma = 2.5

},

data = {

-- gp.file { -- plot from a file

-- createFullFilePathForWindows("my_data_file"), -- file path

-- title = "Title 1", -- optional

-- },

gp.array { -- plot from an 'array-like' thing in memory. Could be a numlua matrix, for example.

{

{0,1,2,3,4,5,6,7,8,9}, -- x

{30,40,50,60,70,80,90,80,70,60}, -- y

},

title = "My Bar Graph", -- optional

using = {1,2}, -- optional

with = 'lines', -- optional

},

gp.func { -- plot from a Lua function

function(x) -- function to plot

return 3* math.sin(2*x) + 4

end,

range = {-2, 10, 0.01}, -- optional

width = 3, -- optional

},

gp.gpfunc { -- plot from a native gnuplot function

"gamma*sin(1.8*x) + 3",

width = 2,

},

}

}:plot(outfile)

-- plot with other terminals

--g:plot('output.svg')

--g:plot('output.pdf')

--g:plot('output.wxt')