Re: [NTG-context] Can MetaPost draw directly datapoints from a data file?

2017-12-28 Thread Jorge Manuel
Thanks a lot for this nice and clean solution. It’s fantastic. Now it is very easy to make scatter plots from the output of c++ libraries and other kind of applications: two axes and a path build like this path curve; numeric i; i:=1; curve := my_offset(i) forever: hide(i := i + 1) exitif i

Re: [NTG-context] Can MetaPost draw directly datapoints from a data file?

2017-12-28 Thread Hans Hagen
On 12/28/2017 6:36 PM, Jorge Manuel wrote: When I need to draw datapoints from a external data file I’m using lua, like this: \starttext \startluacode Elemento = {} x = {} y ={} z= {} carga = {} i=1 context("\\startMPcode”) context("numeric u; u := 1.5cm;") for line in io.lines("molecule.xyz

[NTG-context] Can MetaPost draw directly datapoints from a data file?

2017-12-28 Thread Jorge Manuel
When I need to draw datapoints from a external data file I’m using lua, like this:\starttext\startluacodeElemento = {}x = {}y ={}z= {}carga = {}i=1context("\\startMPcode”)context("numeric u; u := 1.5cm;")for line in io.lines("molecule.xyz") do   local a, b, c, d, e = string.match(line, '(%a+)%s*%s*