Firstly, @svg is a shortcut for Drawing() so you only need one or the other.
Secondly, you’re drawing stuff with units of 1000s and 500s. The default drawing size is 600x600, so you probably can’t see much of it…
Thirdly, working in global scope may have unforeseen consequences, as elsewhere in Julia.
I thought that Drawing() set the canvas size, how would I change it form default (also notice that the top MWE works and is the same size canvas and squares).
I’m not familiar with global scope however, could you go into more on this?
There are occasional posts about global scope on Discourse.
I’d draw a chessboard like this:
using Luxor
let
@svg begin
tiling = Tiler(600, 600, 8, 8)
sethue("black")
for (pos, n) in tiling
if isodd(tiling.currentrow + tiling.currentcol)
box(pos, tiling.tilewidth, tiling.tileheight, :fillstroke)
else
box(pos, tiling.tilewidth, tiling.tileheight, :stroke)
end
end
end 600 600 "/tmp/chessboard.svg"
end
It works I get the if then statement. What if I want to combine components as functions?
function build_body()
@svg begin
sethue("Purple")
ellipse(2,1,200,50,:fill)
sethue("Black")
ellipse(1,1,200,50,:stroke)
sethue("Purple")
ellipse(40,-6,130,66,:fill)
sethue("black")
ellipse(40,-6,130,66,:stroke)
sethue("blue")
ellipse(18,-23,60,26,:fill)
sethue("purple")
rect(-100,1,205,26,:fill)
sethue("black")
rect(-99,1,205,26,:stroke)
end
end
function build_wheel(x,y)
@svg begin
sethue("black")
circle(x,y,28,:fill)
sethue("grey")
circle(x,y,18,:fill)
end
end
function build_car()
build_body()
build_wheel(5,15)
build_wheel(100,15)
end
build_car()
You can put everything on a single drawing.
using Luxor
function build_body()
sethue("Purple")
ellipse(2,1,200,50,:fill)
sethue("Black")
ellipse(1,1,200,50,:stroke)
sethue("Purple")
ellipse(40,-6,130,66,:fill)
sethue("black")
ellipse(40,-6,130,66,:stroke)
sethue("blue")
ellipse(18,-23,60,26,:fill)
sethue("purple")
rect(-100,1,205,26,:fill)
sethue("black")
rect(-99,1,205,26,:stroke)
end
function build_wheel(x,y)
sethue("black")
circle(x,y,28,:fill)
sethue("grey")
circle(x,y,18,:fill)
end
function build_car()
build_body()
build_wheel(5,15)
build_wheel(100,15)
end
@svg begin
build_car()
end 500 500 "/tmp/car.svg"
still didn’t work,
shows the last build_wheel program. Do I need to do something so that the background isn’t part of each layer?
Ok, I tried it in VS Code, and it worked, but not in Pluto for some reason
I figured it out I forgot about the @svg
@cormullion You car is so cute that I couldn’t resist to pirate it in GMT.jl
Made it a bit simpler but looks the same. See here
That’s the Brett Knoss Speedster… 
sure, I did intend to move the front wheels further forward. I’m not sure if luxor.jl allows creating an object that follows the cursor, but I thought I saw something like that in the GMT.jl documentatation.
No, GMT is purely command driven too. No GUI. But should cost nothing to try other wheels positions. It’s just a question of changing the xx
no mouse, sorry 
Lol, I didn’t mean to create content, I meant a final image, I meand the user something like.
ellipse(mouseX,mouseY,15,15) #python development code for a circle that follows the mouse.
Interesting, I was working on Visualisation and interactivity for Pluto, so if I could do this in HTML with the bind command, or in JavaScript, that should work too.
Notice in 1984 they thought people from the future wouldn’t know what a mouse is, but would know how to hold a CB mic.