👀 Reading hidden code

using PenPlots

, PlutoUI

1.7 s

GeometryBasics.Point{2, Float64}

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

1.0

1.09907

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

2.0

0.454177

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

3.0

1.16259

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

4.0

1.68631

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

5.0

1.61625

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

6.0

1.80039

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

7.0

1.32847

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

8.0

1.60333

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

9.0

1.23392

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

10.0

1.54239

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

11.0

1.31971

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

12.0

1.4772

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

13.0

1.06468

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

14.0

0.597628

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

15.0

0.735106

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

16.0

0.0722597

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

17.0

0.376917

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

18.0

-0.396221

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

19.0

0.0010866

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

20.0

-0.565739

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

91.0

0.128803

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

92.0

-0.164408

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

93.0

0.0908337

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

94.0

0.5369

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

95.0

1.07384

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

96.0

0.74318

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

97.0

1.39774

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

98.0

1.54758

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

99.0

1.45955

100

GeometryBasics.Point{2, Float64}: GeometryBasics.Point{2, Float64}:

100.0

1.88631

👀 Reading hidden code

coords = [

Point(i, sin(i/5) + rand())

for i in 1:100

]

268 ms

👀 Reading hidden code

Path(coords)

14.6 μs

👀 Reading hidden code

59.5 μs

point_at_angle (generic function with 1 method)

👀 Reading hidden code

point_at_angle(a) = Point(cos(2π * a), sin(2π * a))

520 μs

👀 Reading hidden code

nturns = 20

11.8 μs

👀 Reading hidden code

@bind offset Slider(0:.01:5)

411 ms

👀 Reading hidden code

@bind scale Slider(0.9:.01:1.2)

658 μs

0.0

0.9

👀 Reading hidden code

offset, scale

11.8 μs

Error message

UndefVarError: img not defined

Stack trace

Here is what happened, the most recent locations are first:

get_value_at

(p::GeometryBasics.Point{2, Float64})

from Other cell: line 3

function get_value_at(p::Point)	max_size = minimum(size(img)) / 2	q = max_size * p + Point(max_size, max_size)

Show more...

Try asking on Julia Discourse!

[

# Path(spiral(false)),

Path(spiral(true)),

# Path((scale * spiral()) .+ Point(offset, 0)),

]

👀 Reading hidden code

---

spiral (generic function with 1 method)

spiral(special::Bool) = [

if special

p = a * point_at_angle(a)

val = get_value_at(p / nturns)

a * point_at_angle(a) + (1.0 - val) * 0.4 * point_at_angle(a^2 * 7)

else

a * point_at_angle(a)

end

for a in range(0, nturns, 5000 * nturns)

]

👀 Reading hidden code

1.4 ms

👀 Reading hidden code

61.7 μs

👀 Reading hidden code

60.3 μs

using Images

👀 Reading hidden code

5.6 s

img = load(download("https://fonsp.com/img/doggoSmall.jpg?raw=true"))

👀 Reading hidden code

---

Error message

ArgumentError: No file exists at given path: /Users/fons/Pictures/axi/berg2.jpeg

Stack trace

Here is what happened, the most recent locations are first:

checkpath_load
from loadsave.jl:167
load(::String; options::Base.Pairs{Symbol, Union{}, Tuple{}, NamedTuple{(), Tuple{}}})
from loadsave.jl:110
load
from loadsave.jl:110

from This cell: line 1

img = load("/Users/fons/Pictures/axi/berg2.jpeg")

img = load("/Users/fons/Pictures/axi/berg2.jpeg")

👀 Reading hidden code

---

get_value_at (generic function with 1 method)

function get_value_at(p::Point)

max_size = minimum(size(img)) / 2

q = max_size * p + Point(max_size, max_size)

r(x) = round(Int, x)

color = get(

img,

(

r(q[2]),

r(q[1]),

zero(eltype(img)),

)

gray(Gray(color))

end

👀 Reading hidden code

1.2 ms

Error message

UndefVarError: img not defined

Stack trace

Here is what happened, the most recent locations are first:

get_value_at

(p::GeometryBasics.Point{2, Int64})

from Other cell: line 3

function get_value_at(p::Point)	max_size = minimum(size(img)) / 2	q = max_size * p + Point(max_size, max_size)

Show more...

Silly computer!

get_value_at(Point(1,0))

👀 Reading hidden code

---

Error message

UndefVarError: img not defined

Stack trace

Here is what happened, the most recent locations are first:

get_value_at

(p::GeometryBasics.Point{2, Float64})

from Other cell: line 3

function get_value_at(p::Point)	max_size = minimum(size(img)) / 2	q = max_size * p + Point(max_size, max_size)

Show more...

get_value_at(Point(-.99999,-.3))

👀 Reading hidden code

---

In the cloud (experimental)

On your computer

Frontmatter

Preview