modeling-app/docs/kcl/segStart.md

title, excerpt, layout

title	excerpt	layout
segStart	Compute the starting point of the provided line segment.	manual

Compute the starting point of the provided line segment.

segStart(tag: TagIdentifier) -> [number]

Arguments

Name	Type	Description	Required
tag	TagIdentifier	The line segment being queried by its tag	Yes

Returns

[number]

Examples

w = 15
cube = startSketchOn('XY')
  |> startProfileAt([0, 0], %)
  |> line(end = [w, 0], tag = $line1)
  |> line(end = [0, w], tag = $line2)
  |> line(end = [-w, 0], tag = $line3)
  |> line(end = [0, -w], tag = $line4)
  |> close()
  |> extrude(length = 5)

fn cylinder(radius, tag) {
  return startSketchOn('XY')
    |> startProfileAt([0, 0], %)
    |> circle({
         radius = radius,
         center = segStart(tag)
       }, %)
    |> extrude(length = radius)
}

cylinder(1, line1)
cylinder(2, line2)
cylinder(3, line3)
cylinder(4, line4)